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feat(errors): Unify errors and logging (#180)

Browse source 
* feat(help): Add CLI help command

Fixes #136

* chore: remove binary

* feat(mcp): Add TCP transport

Fixes #126

* feat(io): Migrate pkg/mcp to use Medium abstraction

Fixes #103

* feat(io): batch implementation placeholder

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(errors): batch implementation placeholder

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(log): batch implementation placeholder

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore(io): Migrate internal/cmd/docs/* to Medium abstraction

Fixes #113

* chore(io): Migrate internal/cmd/dev/* to Medium abstraction

Fixes #114

* chore(io): Migrate internal/cmd/setup/* to Medium abstraction

* chore(io): Complete migration of internal/cmd/dev/* to Medium abstraction

* feat(io): extend Medium interface with Delete, Rename, List, Stat operations

Adds the following methods to the Medium interface:
- Delete(path) - remove a file or empty directory
- DeleteAll(path) - recursively remove a file or directory
- Rename(old, new) - move/rename a file or directory
- List(path) - list directory entries (returns []fs.DirEntry)
- Stat(path) - get file information (returns fs.FileInfo)
- Exists(path) - check if path exists
- IsDir(path) - check if path is a directory

Implements these methods in both local.Medium (using os package)
and MockMedium (in-memory for testing). Includes FileInfo and
DirEntry types for mock implementations.

This enables migration of direct os.* calls to the Medium
abstraction for consistent path validation and testability.

Refs #101

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore(io): Migrate internal/cmd/sdk, pkgcmd, and workspace to Medium abstraction

* chore(io): migrate internal/cmd/docs and internal/cmd/dev to Medium

- internal/cmd/docs: Replace os.Stat, os.ReadFile, os.WriteFile,
  os.MkdirAll, os.RemoveAll with io.Local equivalents
- internal/cmd/dev: Replace os.Stat, os.ReadFile, os.WriteFile,
  os.MkdirAll, os.ReadDir with io.Local equivalents
- Fix local.Medium to allow absolute paths when root is "/" for
  full filesystem access (io.Local use case)

Refs #113, #114

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore(io): migrate internal/cmd/setup to Medium abstraction

Migrated all direct os.* filesystem calls to use io.Local:
- cmd_repo.go: os.MkdirAll -> io.Local.EnsureDir, os.WriteFile -> io.Local.Write, os.Stat -> io.Local.IsFile
- cmd_bootstrap.go: os.MkdirAll -> io.Local.EnsureDir, os.Stat -> io.Local.IsDir/Exists, os.ReadDir -> io.Local.List
- cmd_registry.go: os.MkdirAll -> io.Local.EnsureDir, os.Stat -> io.Local.Exists
- cmd_ci.go: os.ReadFile -> io.Local.Read
- github_config.go: os.ReadFile -> io.Local.Read, os.Stat -> io.Local.Exists

Refs #116

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(log): add error creation and log-and-return helpers

Implements issues #129 and #132:

- Add Err struct with Op, Msg, Err, Code fields for structured errors
- Add E(), Wrap(), WrapCode(), NewCode() for error creation
- Add Is(), As(), NewError(), Join() as stdlib wrappers
- Add Op(), ErrCode(), Message(), Root() for introspection
- Add LogError(), LogWarn(), Must() for combined log-and-return

Closes #129
Closes #132

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore(errors): create deprecation alias pointing to pkg/log

Makes pkg/errors a thin compatibility layer that re-exports from pkg/log.
All error handling functions now have canonical implementations in pkg/log.

Migration guide in package documentation:
- errors.Error -> log.Err
- errors.E -> log.E
- errors.Code -> log.NewCode
- errors.New -> log.NewError

Fixes behavior consistency:
- E(op, msg, nil) now creates an error (for errors without cause)
- Wrap(nil, op, msg) returns nil (for conditional wrapping)
- WrapCode returns nil only when both err is nil AND code is empty

Closes #128

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore(log): migrate pkg/errors imports to pkg/log

Migrates all internal packages from pkg/errors to pkg/log:
- internal/cmd/monitor
- internal/cmd/qa
- internal/cmd/dev
- pkg/agentic

Closes #130

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(io): address Copilot review feedback

- Fix MockMedium.Rename: collect keys before mutating maps during iteration
- Fix .git checks to use Exists instead of List (handles worktrees/submodules)
- Fix cmd_sync.go: use DeleteAll for recursive directory removal

Files updated:
- pkg/io/io.go: safe map iteration in Rename
- internal/cmd/setup/cmd_bootstrap.go: Exists for .git checks
- internal/cmd/setup/cmd_registry.go: Exists for .git checks
- internal/cmd/pkgcmd/cmd_install.go: Exists for .git checks
- internal/cmd/pkgcmd/cmd_manage.go: Exists for .git checks
- internal/cmd/docs/cmd_sync.go: DeleteAll for recursive delete

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(updater): resolve PkgVersion duplicate declaration

Remove var PkgVersion from updater.go since go generate creates
const PkgVersion in version.go. Track version.go in git to ensure
builds work without running go generate first.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* style: fix formatting in internal/variants

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* style: fix formatting across migrated files

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* refactor(io): simplify local Medium implementation

Rewrote to match the simpler TypeScript pattern:
- path() sanitizes and returns string directly
- Each method calls path() once
- No complex symlink validation
- Less code, less attack surface

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(io): remove duplicate method declarations

Clean up the client.go file that had duplicate method declarations
from a bad cherry-pick merge. Now has 127 lines of simple, clean code.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* test(io): fix traversal test to match sanitization behavior

The simplified path() sanitizes .. to . without returning errors.
Update test to verify sanitization works correctly.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* test(mcp): update sandboxing tests for simplified Medium

The simplified io/local.Medium implementation:
- Sanitizes .. to . (no error, path is cleaned)
- Allows absolute paths through (caller validates if needed)
- Follows symlinks (no traversal blocking)

Update tests to match this simplified behavior.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Snider 2026-02-02 06:48:40 +00:00 • committed by GitHub
parent 469a234bfb
commit 4014fd2dc3
21 changed files with 1236 additions and 226 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
internal/cmd/dev/cmd_file_sync.go
View file

@ -15,10 +15,10 @@ import (
"strings"
"github.com/host-uk/core/pkg/cli"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/git"
"github.com/host-uk/core/pkg/i18n"
coreio "github.com/host-uk/core/pkg/io"
"github.com/host-uk/core/pkg/log"
"github.com/host-uk/core/pkg/repos"
)
@ -59,7 +59,7 @@ func runFileSync(source string) error {
// Security: Reject path traversal attempts
if strings.Contains(source, "..") {
return errors.E("dev.sync", "path traversal not allowed", nil)
return log.E("dev.sync", "path traversal not allowed", nil)
}
// Validate source exists
@ -82,7 +82,7 @@ func runFileSync(source string) error {
// Let's stick to os.Stat for source properties finding as typically allowed for CLI args.
if err != nil {
return errors.E("dev.sync", i18n.T("cmd.dev.file_sync.error.source_not_found", map[string]interface{}{"Path": source}), err)
return log.E("dev.sync", i18n.T("cmd.dev.file_sync.error.source_not_found", map[string]interface{}{"Path": source}), err)
}
// Find target repos
@ -205,12 +205,12 @@ func resolveTargetRepos(pattern string) ([]*repos.Repo, error) {
// Load registry
registryPath, err := repos.FindRegistry()
if err != nil {
return nil, errors.E("dev.sync", "failed to find registry", err)
return nil, log.E("dev.sync", "failed to find registry", err)
}
registry, err := repos.LoadRegistry(registryPath)
if err != nil {
return nil, errors.E("dev.sync", "failed to load registry", err)
return nil, log.E("dev.sync", "failed to load registry", err)
}
// Match pattern against repo names

4
internal/cmd/docs/cmd_sync.go
View file

@ -126,8 +126,8 @@ func runDocsSync(registryPath string, outputDir string, dryRun bool) error {
outName := packageOutputName(info.Name)
repoOutDir := filepath.Join(outputDir, outName)
// Clear existing directory
io.Local.Delete(repoOutDir) // Recursive delete
// Clear existing directory (recursively)
_ = io.Local.DeleteAll(repoOutDir)
if err := io.Local.EnsureDir(repoOutDir); err != nil {
cli.Print(" %s %s: %s\n", errorStyle.Render("✗"), info.Name, err)

26
internal/cmd/monitor/cmd_monitor.go
View file

@ -17,8 +17,8 @@ import (
"strings"
"github.com/host-uk/core/pkg/cli"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/i18n"
"github.com/host-uk/core/pkg/log"
"github.com/host-uk/core/pkg/repos"
)
@ -107,7 +107,7 @@ type SecretScanningAlert struct {
func runMonitor() error {
// Check gh is available
if _, err := exec.LookPath("gh"); err != nil {
return errors.E("monitor", i18n.T("error.gh_not_found"), err)
return log.E("monitor", i18n.T("error.gh_not_found"), err)
}
// Determine repos to scan
@ -117,7 +117,7 @@ func runMonitor() error {
}
if len(repoList) == 0 {
return errors.E("monitor", i18n.T("cmd.monitor.error.no_repos"), nil)
return log.E("monitor", i18n.T("cmd.monitor.error.no_repos"), nil)
}
// Collect all findings and errors
@ -179,12 +179,12 @@ func resolveRepos() ([]string, error) {
// All repos from registry
registry, err := repos.FindRegistry()
if err != nil {
return nil, errors.E("monitor", "failed to find registry", err)
return nil, log.E("monitor", "failed to find registry", err)
}
loaded, err := repos.LoadRegistry(registry)
if err != nil {
return nil, errors.E("monitor", "failed to load registry", err)
return nil, log.E("monitor", "failed to load registry", err)
}
var repoList []string
@ -253,12 +253,12 @@ func fetchCodeScanningAlerts(repoFullName string) ([]Finding, error) {
return nil, nil
}
}
return nil, errors.E("monitor.fetchCodeScanning", "API request failed", err)
return nil, log.E("monitor.fetchCodeScanning", "API request failed", err)
}
var alerts []CodeScanningAlert
if err := json.Unmarshal(output, &alerts); err != nil {
return nil, errors.E("monitor.fetchCodeScanning", "failed to parse response", err)
return nil, log.E("monitor.fetchCodeScanning", "failed to parse response", err)
}
repoName := strings.Split(repoFullName, "/")[1]
@ -307,12 +307,12 @@ func fetchDependabotAlerts(repoFullName string) ([]Finding, error) {
return nil, nil
}
}
return nil, errors.E("monitor.fetchDependabot", "API request failed", err)
return nil, log.E("monitor.fetchDependabot", "API request failed", err)
}
var alerts []DependabotAlert
if err := json.Unmarshal(output, &alerts); err != nil {
return nil, errors.E("monitor.fetchDependabot", "failed to parse response", err)
return nil, log.E("monitor.fetchDependabot", "failed to parse response", err)
}
repoName := strings.Split(repoFullName, "/")[1]
@ -358,12 +358,12 @@ func fetchSecretScanningAlerts(repoFullName string) ([]Finding, error) {
return nil, nil
}
}
return nil, errors.E("monitor.fetchSecretScanning", "API request failed", err)
return nil, log.E("monitor.fetchSecretScanning", "API request failed", err)
}
var alerts []SecretScanningAlert
if err := json.Unmarshal(output, &alerts); err != nil {
return nil, errors.E("monitor.fetchSecretScanning", "failed to parse response", err)
return nil, log.E("monitor.fetchSecretScanning", "failed to parse response", err)
}
repoName := strings.Split(repoFullName, "/")[1]
@ -447,7 +447,7 @@ func sortBySeverity(findings []Finding) {
func outputJSON(findings []Finding) error {
data, err := json.MarshalIndent(findings, "", " ")
if err != nil {
return errors.E("monitor", "failed to marshal findings", err)
return log.E("monitor", "failed to marshal findings", err)
}
cli.Print("%s\n", string(data))
return nil
@ -547,7 +547,7 @@ func detectRepoFromGit() (string, error) {
cmd := exec.Command("git", "remote", "get-url", "origin")
output, err := cmd.Output()
if err != nil {
return "", errors.E("monitor", i18n.T("cmd.monitor.error.not_git_repo"), err)
return "", log.E("monitor", i18n.T("cmd.monitor.error.not_git_repo"), err)
}
url := strings.TrimSpace(string(output))

2
internal/cmd/pkgcmd/cmd_install.go
View file

@ -74,7 +74,7 @@ func runPkgInstall(repoArg, targetDir string, addToRegistry bool) error {
repoPath := filepath.Join(targetDir, repoName)
if _, err := coreio.Local.List(filepath.Join(repoPath, ".git")); err == nil {
if coreio.Local.Exists(filepath.Join(repoPath, ".git")) {
fmt.Printf("%s %s\n", dimStyle.Render(i18n.Label("skip")), i18n.T("cmd.pkg.install.already_exists", map[string]string{"Name": repoName, "Path": repoPath}))
return nil
}

7
internal/cmd/pkgcmd/cmd_manage.go
View file

@ -57,9 +57,8 @@ func runPkgList() error {
var installed, missing int
for _, r := range allRepos {
repoPath := filepath.Join(basePath, r.Name)
exists := false
if _, err := coreio.Local.List(filepath.Join(repoPath, ".git")); err == nil {
exists = true
exists := coreio.Local.Exists(filepath.Join(repoPath, ".git"))
if exists {
installed++
} else {
missing++
@ -219,7 +218,7 @@ func runPkgOutdated() error {
for _, r := range reg.List() {
repoPath := filepath.Join(basePath, r.Name)
if _, err := coreio.Local.List(filepath.Join(repoPath, ".git")); err != nil {
if !coreio.Local.Exists(filepath.Join(repoPath, ".git")) {
notInstalled++
continue
}

8
internal/cmd/qa/cmd_health.go
View file

@ -13,8 +13,8 @@ import (
"strings"
"github.com/host-uk/core/pkg/cli"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/i18n"
"github.com/host-uk/core/pkg/log"
"github.com/host-uk/core/pkg/repos"
)
@ -63,7 +63,7 @@ func addHealthCommand(parent *cli.Command) {
func runHealth() error {
// Check gh is available
if _, err := exec.LookPath("gh"); err != nil {
return errors.E("qa.health", i18n.T("error.gh_not_found"), nil)
return log.E("qa.health", i18n.T("error.gh_not_found"), nil)
}
// Load registry
@ -75,12 +75,12 @@ func runHealth() error {
} else {
registryPath, findErr := repos.FindRegistry()
if findErr != nil {
return errors.E("qa.health", i18n.T("error.registry_not_found"), nil)
return log.E("qa.health", i18n.T("error.registry_not_found"), nil)
}
reg, err = repos.LoadRegistry(registryPath)
}
if err != nil {
return errors.E("qa.health", "failed to load registry", err)
return log.E("qa.health", "failed to load registry", err)
}
// Fetch CI status from all repos

8
internal/cmd/qa/cmd_issues.go
View file

@ -16,8 +16,8 @@ import (
"time"
"github.com/host-uk/core/pkg/cli"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/i18n"
"github.com/host-uk/core/pkg/log"
"github.com/host-uk/core/pkg/repos"
)
@ -92,7 +92,7 @@ func addIssuesCommand(parent *cli.Command) {
func runQAIssues() error {
// Check gh is available
if _, err := exec.LookPath("gh"); err != nil {
return errors.E("qa.issues", i18n.T("error.gh_not_found"), nil)
return log.E("qa.issues", i18n.T("error.gh_not_found"), nil)
}
// Load registry
@ -104,12 +104,12 @@ func runQAIssues() error {
} else {
registryPath, findErr := repos.FindRegistry()
if findErr != nil {
return errors.E("qa.issues", i18n.T("error.registry_not_found"), nil)
return log.E("qa.issues", i18n.T("error.registry_not_found"), nil)
}
reg, err = repos.LoadRegistry(registryPath)
}
if err != nil {
return errors.E("qa.issues", "failed to load registry", err)
return log.E("qa.issues", "failed to load registry", err)
}
// Fetch issues from all repos

10
internal/cmd/qa/cmd_review.go
View file

@ -16,8 +16,8 @@ import (
"time"
"github.com/host-uk/core/pkg/cli"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/i18n"
"github.com/host-uk/core/pkg/log"
)
// Review command flags
@ -102,7 +102,7 @@ func addReviewCommand(parent *cli.Command) {
func runReview() error {
// Check gh is available
if _, err := exec.LookPath("gh"); err != nil {
return errors.E("qa.review", i18n.T("error.gh_not_found"), nil)
return log.E("qa.review", i18n.T("error.gh_not_found"), nil)
}
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
@ -114,7 +114,7 @@ func runReview() error {
var err error
repoFullName, err = detectRepoFromGit()
if err != nil {
return errors.E("qa.review", i18n.T("cmd.qa.review.error.no_repo"), nil)
return log.E("qa.review", i18n.T("cmd.qa.review.error.no_repo"), nil)
}
}
@ -144,7 +144,7 @@ func runReview() error {
func showMyPRs(ctx context.Context, repo string) error {
prs, err := fetchPRs(ctx, repo, "author:@me")
if err != nil {
return errors.E("qa.review", "failed to fetch your PRs", err)
return log.E("qa.review", "failed to fetch your PRs", err)
}
if len(prs) == 0 {
@ -165,7 +165,7 @@ func showMyPRs(ctx context.Context, repo string) error {
func showRequestedReviews(ctx context.Context, repo string) error {
prs, err := fetchPRs(ctx, repo, "review-requested:@me")
if err != nil {
return errors.E("qa.review", "failed to fetch review requests", err)
return log.E("qa.review", "failed to fetch review requests", err)
}
if len(prs) == 0 {

14
internal/cmd/qa/cmd_watch.go
View file

@ -17,8 +17,8 @@ import (
"time"
"github.com/host-uk/core/pkg/cli"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/i18n"
"github.com/host-uk/core/pkg/log"
)
// Watch command flags
@ -79,7 +79,7 @@ func addWatchCommand(parent *cli.Command) {
func runWatch() error {
// Check gh is available
if _, err := exec.LookPath("gh"); err != nil {
return errors.E("qa.watch", i18n.T("error.gh_not_found"), nil)
return log.E("qa.watch", i18n.T("error.gh_not_found"), nil)
}
// Determine repo
@ -115,12 +115,12 @@ func runWatch() error {
// Check if context deadline exceeded
if ctx.Err() != nil {
cli.Blank()
return errors.E("qa.watch", i18n.T("cmd.qa.watch.timeout", map[string]interface{}{"Duration": watchTimeout}), nil)
return log.E("qa.watch", i18n.T("cmd.qa.watch.timeout", map[string]interface{}{"Duration": watchTimeout}), nil)
}
runs, err := fetchWorkflowRunsForCommit(ctx, repoFullName, commitSha)
if err != nil {
return errors.Wrap(err, "qa.watch", "failed to fetch workflow runs")
return log.Wrap(err, "qa.watch", "failed to fetch workflow runs")
}
if len(runs) == 0 {
@ -195,7 +195,7 @@ func resolveRepo(specified string) (string, error) {
if org != "" {
return org + "/" + specified, nil
}
return "", errors.E("qa.watch", i18n.T("cmd.qa.watch.error.repo_format"), nil)
return "", log.E("qa.watch", i18n.T("cmd.qa.watch.error.repo_format"), nil)
}
// Detect from current directory
@ -212,7 +212,7 @@ func resolveCommit(specified string) (string, error) {
cmd := exec.Command("git", "rev-parse", "HEAD")
output, err := cmd.Output()
if err != nil {
return "", errors.Wrap(err, "qa.watch", "failed to get HEAD commit")
return "", log.Wrap(err, "qa.watch", "failed to get HEAD commit")
}
return strings.TrimSpace(string(output)), nil
@ -223,7 +223,7 @@ func detectRepoFromGit() (string, error) {
cmd := exec.Command("git", "remote", "get-url", "origin")
output, err := cmd.Output()
if err != nil {
return "", errors.E("qa.watch", i18n.T("cmd.qa.watch.error.not_git_repo"), nil)
return "", log.E("qa.watch", i18n.T("cmd.qa.watch.error.not_git_repo"), nil)
}
url := strings.TrimSpace(string(output))

6
internal/cmd/setup/cmd_bootstrap.go
View file

@ -105,7 +105,7 @@ func runBootstrap(ctx context.Context, only string, dryRun, all bool, projectNam
// Clone core-devops first
devopsPath := filepath.Join(targetDir, devopsRepo)
if _, err := coreio.Local.List(filepath.Join(devopsPath, ".git")); err != nil {
if !coreio.Local.Exists(filepath.Join(devopsPath, ".git")) {
fmt.Printf("%s %s %s...\n", dimStyle.Render(">>"), i18n.T("common.status.cloning"), devopsRepo)
if !dryRun {
@ -148,9 +148,9 @@ func runBootstrap(ctx context.Context, only string, dryRun, all bool, projectNam
}
// isGitRepoRoot returns true if the directory is a git repository root.
// Handles both regular repos (.git is a directory) and worktrees (.git is a file).
func isGitRepoRoot(path string) bool {
_, err := coreio.Local.List(filepath.Join(path, ".git"))
return err == nil
return coreio.Local.Exists(filepath.Join(path, ".git"))
}
// isDirEmpty returns true if the directory is empty or contains only hidden files.

6
internal/cmd/setup/cmd_registry.go
View file

@ -117,8 +117,8 @@ func runRegistrySetupWithReg(ctx context.Context, reg *repos.Registry, registryP
// Check if already exists
repoPath := filepath.Join(basePath, repo.Name)
// Check .git dir existence via List
if _, err := coreio.Local.List(filepath.Join(repoPath, ".git")); err == nil {
// Check .git dir existence via Exists
if coreio.Local.Exists(filepath.Join(repoPath, ".git")) {
exists++
continue
}
@ -147,7 +147,7 @@ func runRegistrySetupWithReg(ctx context.Context, reg *repos.Registry, registryP
// Check if already exists
repoPath := filepath.Join(basePath, repo.Name)
if _, err := coreio.Local.List(filepath.Join(repoPath, ".git")); err == nil {
if coreio.Local.Exists(filepath.Join(repoPath, ".git")) {
exists++
continue
}

58
pkg/agentic/client.go
View file

@ -12,7 +12,7 @@ import (
"strings"
"time"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/log"
)
// Client is the API client for the core-agentic service.
@ -77,24 +77,24 @@ func (c *Client) ListTasks(ctx context.Context, opts ListOptions) ([]Task, error
req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, errors.E(op, "failed to create request", err)
return nil, log.E(op, "failed to create request", err)
}
c.setHeaders(req)
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, errors.E(op, "request failed", err)
return nil, log.E(op, "request failed", err)
}
defer resp.Body.Close()
if err := c.checkResponse(resp); err != nil {
return nil, errors.E(op, "API error", err)
return nil, log.E(op, "API error", err)
}
var tasks []Task
if err := json.NewDecoder(resp.Body).Decode(&tasks); err != nil {
return nil, errors.E(op, "failed to decode response", err)
return nil, log.E(op, "failed to decode response", err)
}
return tasks, nil
@ -105,31 +105,31 @@ func (c *Client) GetTask(ctx context.Context, id string) (*Task, error) {
const op = "agentic.Client.GetTask"
if id == "" {
return nil, errors.E(op, "task ID is required", nil)
return nil, log.E(op, "task ID is required", nil)
}
endpoint := fmt.Sprintf("%s/api/tasks/%s", c.BaseURL, url.PathEscape(id))
req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, errors.E(op, "failed to create request", err)
return nil, log.E(op, "failed to create request", err)
}
c.setHeaders(req)
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, errors.E(op, "request failed", err)
return nil, log.E(op, "request failed", err)
}
defer resp.Body.Close()
if err := c.checkResponse(resp); err != nil {
return nil, errors.E(op, "API error", err)
return nil, log.E(op, "API error", err)
}
var task Task
if err := json.NewDecoder(resp.Body).Decode(&task); err != nil {
return nil, errors.E(op, "failed to decode response", err)
return nil, log.E(op, "failed to decode response", err)
}
return &task, nil
@ -140,7 +140,7 @@ func (c *Client) ClaimTask(ctx context.Context, id string) (*Task, error) {
const op = "agentic.Client.ClaimTask"
if id == "" {
return nil, errors.E(op, "task ID is required", nil)
return nil, log.E(op, "task ID is required", nil)
}
endpoint := fmt.Sprintf("%s/api/tasks/%s/claim", c.BaseURL, url.PathEscape(id))
@ -154,7 +154,7 @@ func (c *Client) ClaimTask(ctx context.Context, id string) (*Task, error) {
req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, body)
if err != nil {
return nil, errors.E(op, "failed to create request", err)
return nil, log.E(op, "failed to create request", err)
}
c.setHeaders(req)
@ -164,18 +164,18 @@ func (c *Client) ClaimTask(ctx context.Context, id string) (*Task, error) {
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, errors.E(op, "request failed", err)
return nil, log.E(op, "request failed", err)
}
defer resp.Body.Close()
if err := c.checkResponse(resp); err != nil {
return nil, errors.E(op, "API error", err)
return nil, log.E(op, "API error", err)
}
// Read body once to allow multiple decode attempts
bodyData, err := io.ReadAll(resp.Body)
if err != nil {
return nil, errors.E(op, "failed to read response", err)
return nil, log.E(op, "failed to read response", err)
}
// Try decoding as ClaimResponse first
@ -187,7 +187,7 @@ func (c *Client) ClaimTask(ctx context.Context, id string) (*Task, error) {
// Try decoding as just a Task for simpler API responses
var task Task
if err := json.Unmarshal(bodyData, &task); err != nil {
return nil, errors.E(op, "failed to decode response", err)
return nil, log.E(op, "failed to decode response", err)
}
return &task, nil
@ -198,19 +198,19 @@ func (c *Client) UpdateTask(ctx context.Context, id string, update TaskUpdate) e
const op = "agentic.Client.UpdateTask"
if id == "" {
return errors.E(op, "task ID is required", nil)
return log.E(op, "task ID is required", nil)
}
endpoint := fmt.Sprintf("%s/api/tasks/%s", c.BaseURL, url.PathEscape(id))
data, err := json.Marshal(update)
if err != nil {
return errors.E(op, "failed to marshal update", err)
return log.E(op, "failed to marshal update", err)
}
req, err := http.NewRequestWithContext(ctx, http.MethodPatch, endpoint, bytes.NewReader(data))
if err != nil {
return errors.E(op, "failed to create request", err)
return log.E(op, "failed to create request", err)
}
c.setHeaders(req)
@ -218,12 +218,12 @@ func (c *Client) UpdateTask(ctx context.Context, id string, update TaskUpdate) e
resp, err := c.HTTPClient.Do(req)
if err != nil {
return errors.E(op, "request failed", err)
return log.E(op, "request failed", err)
}
defer resp.Body.Close()
if err := c.checkResponse(resp); err != nil {
return errors.E(op, "API error", err)
return log.E(op, "API error", err)
}
return nil
@ -234,19 +234,19 @@ func (c *Client) CompleteTask(ctx context.Context, id string, result TaskResult)
const op = "agentic.Client.CompleteTask"
if id == "" {
return errors.E(op, "task ID is required", nil)
return log.E(op, "task ID is required", nil)
}
endpoint := fmt.Sprintf("%s/api/tasks/%s/complete", c.BaseURL, url.PathEscape(id))
data, err := json.Marshal(result)
if err != nil {
return errors.E(op, "failed to marshal result", err)
return log.E(op, "failed to marshal result", err)
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, bytes.NewReader(data))
if err != nil {
return errors.E(op, "failed to create request", err)
return log.E(op, "failed to create request", err)
}
c.setHeaders(req)
@ -254,12 +254,12 @@ func (c *Client) CompleteTask(ctx context.Context, id string, result TaskResult)
resp, err := c.HTTPClient.Do(req)
if err != nil {
return errors.E(op, "request failed", err)
return log.E(op, "request failed", err)
}
defer resp.Body.Close()
if err := c.checkResponse(resp); err != nil {
return errors.E(op, "API error", err)
return log.E(op, "API error", err)
}
return nil
@ -303,19 +303,19 @@ func (c *Client) Ping(ctx context.Context) error {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return errors.E(op, "failed to create request", err)
return log.E(op, "failed to create request", err)
}
c.setHeaders(req)
resp, err := c.HTTPClient.Do(req)
if err != nil {
return errors.E(op, "request failed", err)
return log.E(op, "request failed", err)
}
defer resp.Body.Close()
if resp.StatusCode >= 400 {
return errors.E(op, fmt.Sprintf("server returned status %d", resp.StatusCode), nil)
return log.E(op, fmt.Sprintf("server returned status %d", resp.StatusCode), nil)
}
return nil

34
pkg/agentic/completion.go
View file

@ -8,7 +8,7 @@ import (
"os/exec"
"strings"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/log"
)
// PROptions contains options for creating a pull request.
@ -36,11 +36,11 @@ func AutoCommit(ctx context.Context, task *Task, dir string, message string) err
const op = "agentic.AutoCommit"
if task == nil {
return errors.E(op, "task is required", nil)
return log.E(op, "task is required", nil)
}
if message == "" {
return errors.E(op, "commit message is required", nil)
return log.E(op, "commit message is required", nil)
}
// Build full commit message
@ -48,12 +48,12 @@ func AutoCommit(ctx context.Context, task *Task, dir string, message string) err
// Stage all changes
if _, err := runGitCommandCtx(ctx, dir, "add", "-A"); err != nil {
return errors.E(op, "failed to stage changes", err)
return log.E(op, "failed to stage changes", err)
}
// Create commit
if _, err := runGitCommandCtx(ctx, dir, "commit", "-m", fullMessage); err != nil {
return errors.E(op, "failed to create commit", err)
return log.E(op, "failed to create commit", err)
}
return nil
@ -83,7 +83,7 @@ func CreatePR(ctx context.Context, task *Task, dir string, opts PROptions) (stri
const op = "agentic.CreatePR"
if task == nil {
return "", errors.E(op, "task is required", nil)
return "", log.E(op, "task is required", nil)
}
// Build title if not provided
@ -116,7 +116,7 @@ func CreatePR(ctx context.Context, task *Task, dir string, opts PROptions) (stri
// Run gh pr create
output, err := runCommandCtx(ctx, dir, "gh", args...)
if err != nil {
return "", errors.E(op, "failed to create PR", err)
return "", log.E(op, "failed to create PR", err)
}
// Extract PR URL from output
@ -158,11 +158,11 @@ func SyncStatus(ctx context.Context, client *Client, task *Task, update TaskUpda
const op = "agentic.SyncStatus"
if client == nil {
return errors.E(op, "client is required", nil)
return log.E(op, "client is required", nil)
}
if task == nil {
return errors.E(op, "task is required", nil)
return log.E(op, "task is required", nil)
}
return client.UpdateTask(ctx, task.ID, update)
@ -174,7 +174,7 @@ func CommitAndSync(ctx context.Context, client *Client, task *Task, dir string,
// Create commit
if err := AutoCommit(ctx, task, dir, message); err != nil {
return errors.E(op, "failed to commit", err)
return log.E(op, "failed to commit", err)
}
// Sync status if client provided
@ -187,7 +187,7 @@ func CommitAndSync(ctx context.Context, client *Client, task *Task, dir string,
if err := SyncStatus(ctx, client, task, update); err != nil {
// Log but don't fail on sync errors
return errors.E(op, "commit succeeded but sync failed", err)
return log.E(op, "commit succeeded but sync failed", err)
}
}
@ -200,7 +200,7 @@ func PushChanges(ctx context.Context, dir string) error {
_, err := runGitCommandCtx(ctx, dir, "push")
if err != nil {
return errors.E(op, "failed to push changes", err)
return log.E(op, "failed to push changes", err)
}
return nil
@ -211,7 +211,7 @@ func CreateBranch(ctx context.Context, task *Task, dir string) (string, error) {
const op = "agentic.CreateBranch"
if task == nil {
return "", errors.E(op, "task is required", nil)
return "", log.E(op, "task is required", nil)
}
// Generate branch name from task
@ -220,7 +220,7 @@ func CreateBranch(ctx context.Context, task *Task, dir string) (string, error) {
// Create and checkout branch
_, err := runGitCommandCtx(ctx, dir, "checkout", "-b", branchName)
if err != nil {
return "", errors.E(op, "failed to create branch", err)
return "", log.E(op, "failed to create branch", err)
}
return branchName, nil
@ -302,7 +302,7 @@ func GetCurrentBranch(ctx context.Context, dir string) (string, error) {
output, err := runGitCommandCtx(ctx, dir, "rev-parse", "--abbrev-ref", "HEAD")
if err != nil {
return "", errors.E(op, "failed to get current branch", err)
return "", log.E(op, "failed to get current branch", err)
}
return strings.TrimSpace(output), nil
@ -314,7 +314,7 @@ func HasUncommittedChanges(ctx context.Context, dir string) (bool, error) {
output, err := runGitCommandCtx(ctx, dir, "status", "--porcelain")
if err != nil {
return false, errors.E(op, "failed to get git status", err)
return false, log.E(op, "failed to get git status", err)
}
return strings.TrimSpace(output) != "", nil
@ -331,7 +331,7 @@ func GetDiff(ctx context.Context, dir string, staged bool) (string, error) {
output, err := runGitCommandCtx(ctx, dir, args...)
if err != nil {
return "", errors.E(op, "failed to get diff", err)
return "", log.E(op, "failed to get diff", err)
}
return output, nil

18
pkg/agentic/config.go
View file

@ -6,7 +6,7 @@ import (
"path/filepath"
"strings"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/log"
"gopkg.in/yaml.v3"
)
@ -74,12 +74,12 @@ func LoadConfig(dir string) (*Config, error) {
// Try loading from ~/.core/agentic.yaml
homeDir, err := os.UserHomeDir()
if err != nil {
return nil, errors.E("agentic.LoadConfig", "failed to get home directory", err)
return nil, log.E("agentic.LoadConfig", "failed to get home directory", err)
}
configPath := filepath.Join(homeDir, ".core", configFileName)
if err := loadYAMLConfig(configPath, cfg); err != nil && !os.IsNotExist(err) {
return nil, errors.E("agentic.LoadConfig", "failed to load config", err)
return nil, log.E("agentic.LoadConfig", "failed to load config", err)
}
// Apply environment variable overrides
@ -87,7 +87,7 @@ func LoadConfig(dir string) (*Config, error) {
// Validate configuration
if cfg.Token == "" {
return nil, errors.E("agentic.LoadConfig", "no authentication token configured", nil)
return nil, log.E("agentic.LoadConfig", "no authentication token configured", nil)
}
return cfg, nil
@ -167,23 +167,23 @@ func applyEnvOverrides(cfg *Config) {
func SaveConfig(cfg *Config) error {
homeDir, err := os.UserHomeDir()
if err != nil {
return errors.E("agentic.SaveConfig", "failed to get home directory", err)
return log.E("agentic.SaveConfig", "failed to get home directory", err)
}
configDir := filepath.Join(homeDir, ".core")
if err := os.MkdirAll(configDir, 0755); err != nil {
return errors.E("agentic.SaveConfig", "failed to create config directory", err)
return log.E("agentic.SaveConfig", "failed to create config directory", err)
}
configPath := filepath.Join(configDir, configFileName)
data, err := yaml.Marshal(cfg)
if err != nil {
return errors.E("agentic.SaveConfig", "failed to marshal config", err)
return log.E("agentic.SaveConfig", "failed to marshal config", err)
}
if err := os.WriteFile(configPath, data, 0600); err != nil {
return errors.E("agentic.SaveConfig", "failed to write config file", err)
return log.E("agentic.SaveConfig", "failed to write config file", err)
}
return nil
@ -193,7 +193,7 @@ func SaveConfig(cfg *Config) error {
func ConfigPath() (string, error) {
homeDir, err := os.UserHomeDir()
if err != nil {
return "", errors.E("agentic.ConfigPath", "failed to get home directory", err)
return "", log.E("agentic.ConfigPath", "failed to get home directory", err)
}
return filepath.Join(homeDir, ".core", configFileName), nil
}

10
pkg/agentic/context.go
View file

@ -9,7 +9,7 @@ import (
"regexp"
"strings"
"github.com/host-uk/core/pkg/errors"
"github.com/host-uk/core/pkg/log"
)
// FileContent represents the content of a file for AI context.
@ -41,13 +41,13 @@ func BuildTaskContext(task *Task, dir string) (*TaskContext, error) {
const op = "agentic.BuildTaskContext"
if task == nil {
return nil, errors.E(op, "task is required", nil)
return nil, log.E(op, "task is required", nil)
}
if dir == "" {
cwd, err := os.Getwd()
if err != nil {
return nil, errors.E(op, "failed to get working directory", err)
return nil, log.E(op, "failed to get working directory", err)
}
dir = cwd
}
@ -87,7 +87,7 @@ func GatherRelatedFiles(task *Task, dir string) ([]FileContent, error) {
const op = "agentic.GatherRelatedFiles"
if task == nil {
return nil, errors.E(op, "task is required", nil)
return nil, log.E(op, "task is required", nil)
}
var files []FileContent
@ -117,7 +117,7 @@ func findRelatedCode(task *Task, dir string) ([]FileContent, error) {
const op = "agentic.findRelatedCode"
if task == nil {
return nil, errors.E(op, "task is required", nil)
return nil, log.E(op, "task is required", nil)
}
// Extract keywords from title and description

141
pkg/errors/errors.go
View file

@ -1,151 +1,128 @@
// Package errors provides structured error handling for Core applications.
//
// Errors include operational context (what was being done) and support
// error wrapping for debugging while keeping user-facing messages clean:
// Deprecated: Use pkg/log instead. This package is maintained for backward
// compatibility and will be removed in a future version. All error handling
// functions are now available in pkg/log:
//
// err := errors.E("user.Create", "email already exists", nil)
// err := errors.Wrap(dbErr, "user.Create", "failed to save user")
// // Instead of:
// import "github.com/host-uk/core/pkg/errors"
// err := errors.E("op", "msg", cause)
//
// // Check error types
// if errors.Is(err, sql.ErrNoRows) { ... }
// // Use:
// import "github.com/host-uk/core/pkg/log"
// err := log.E("op", "msg", cause)
//
// // Extract operation
// var e *errors.Error
// if errors.As(err, &e) {
// fmt.Println("Operation:", e.Op)
// }
// Migration guide:
// - errors.Error -> log.Err
// - errors.E -> log.E
// - errors.Wrap -> log.Wrap
// - errors.WrapCode -> log.WrapCode
// - errors.Code -> log.NewCode
// - errors.New -> log.NewError
// - errors.Is -> log.Is
// - errors.As -> log.As
// - errors.Join -> log.Join
// - errors.Op -> log.Op
// - errors.ErrCode -> log.ErrCode
// - errors.Message -> log.Message
// - errors.Root -> log.Root
package errors
import (
stderrors "errors"
"fmt"
"github.com/host-uk/core/pkg/log"
)
// Error represents a structured error with operational context.
type Error struct {
Op string // Operation being performed (e.g., "user.Create")
Msg string // Human-readable message
Err error // Underlying error (optional)
Code string // Error code for i18n/categorisation (optional)
}
//
// Deprecated: Use log.Err instead.
type Error = log.Err
// E creates a new Error with operation context.
//
// err := errors.E("config.Load", "file not found", os.ErrNotExist)
// err := errors.E("api.Call", "rate limited", nil)
// Deprecated: Use log.E instead.
func E(op, msg string, err error) error {
return &Error{Op: op, Msg: msg, Err: err}
return log.E(op, msg, err)
}
// Wrap wraps an error with operation context.
// Returns nil if err is nil.
//
// return errors.Wrap(err, "db.Query", "failed to fetch user")
// Deprecated: Use log.Wrap instead.
func Wrap(err error, op, msg string) error {
if err == nil {
return nil
}
return &Error{Op: op, Msg: msg, Err: err}
return log.Wrap(err, op, msg)
}
// WrapCode wraps an error with operation context and an error code.
//
// return errors.WrapCode(err, "ERR_NOT_FOUND", "user.Get", "user not found")
// Deprecated: Use log.WrapCode instead.
func WrapCode(err error, code, op, msg string) error {
if err == nil && code == "" {
return nil
}
return &Error{Op: op, Msg: msg, Err: err, Code: code}
return log.WrapCode(err, code, op, msg)
}
// Code creates an error with just a code and message.
//
// return errors.Code("ERR_VALIDATION", "invalid email format")
// Deprecated: Use log.NewCode instead.
func Code(code, msg string) error {
return &Error{Code: code, Msg: msg}
}
// Error returns the error message.
func (e *Error) Error() string {
if e.Op != "" && e.Err != nil {
return fmt.Sprintf("%s: %s: %v", e.Op, e.Msg, e.Err)
}
if e.Op != "" {
return fmt.Sprintf("%s: %s", e.Op, e.Msg)
}
if e.Err != nil {
return fmt.Sprintf("%s: %v", e.Msg, e.Err)
}
return e.Msg
}
// Unwrap returns the underlying error.
func (e *Error) Unwrap() error {
return e.Err
return log.NewCode(code, msg)
}
// --- Standard library wrappers ---
// Is reports whether any error in err's tree matches target.
//
// Deprecated: Use log.Is instead.
func Is(err, target error) bool {
return stderrors.Is(err, target)
return log.Is(err, target)
}
// As finds the first error in err's tree that matches target.
//
// Deprecated: Use log.As instead.
func As(err error, target any) bool {
return stderrors.As(err, target)
return log.As(err, target)
}
// New returns an error with the given text.
//
// Deprecated: Use log.NewError instead.
func New(text string) error {
return stderrors.New(text)
return log.NewError(text)
}
// Join returns an error that wraps the given errors.
//
// Deprecated: Use log.Join instead.
func Join(errs ...error) error {
return stderrors.Join(errs...)
return log.Join(errs...)
}
// --- Helper functions ---
// Op extracts the operation from an error, or empty string if not an Error.
//
// Deprecated: Use log.Op instead.
func Op(err error) string {
var e *Error
if As(err, &e) {
return e.Op
}
return ""
return log.Op(err)
}
// ErrCode extracts the error code, or empty string if not set.
//
// Deprecated: Use log.ErrCode instead.
func ErrCode(err error) string {
var e *Error
if As(err, &e) {
return e.Code
}
return ""
return log.ErrCode(err)
}
// Message extracts the message from an error.
// For Error types, returns Msg; otherwise returns err.Error().
//
// Deprecated: Use log.Message instead.
func Message(err error) string {
if err == nil {
return ""
}
var e *Error
if As(err, &e) {
return e.Msg
}
return err.Error()
return log.Message(err)
}
// Root returns the deepest error in the chain.
//
// Deprecated: Use log.Root instead.
func Root(err error) error {
for {
unwrapped := stderrors.Unwrap(err)
if unwrapped == nil {
return err
}
err = unwrapped
}
return log.Root(err)
}

121
pkg/io/client_test.go
View file

@ -73,6 +73,127 @@ func TestMockMedium_FileSet_Good(t *testing.T) {
assert.Equal(t, "content", m.Files["test.txt"])
}
func TestMockMedium_Delete_Good(t *testing.T) {
m := NewMockMedium()
m.Files["test.txt"] = "content"
err := m.Delete("test.txt")
assert.NoError(t, err)
assert.False(t, m.IsFile("test.txt"))
}
func TestMockMedium_Delete_Bad_NotFound(t *testing.T) {
m := NewMockMedium()
err := m.Delete("nonexistent.txt")
assert.Error(t, err)
}
func TestMockMedium_Delete_Bad_DirNotEmpty(t *testing.T) {
m := NewMockMedium()
m.Dirs["mydir"] = true
m.Files["mydir/file.txt"] = "content"
err := m.Delete("mydir")
assert.Error(t, err)
}
func TestMockMedium_DeleteAll_Good(t *testing.T) {
m := NewMockMedium()
m.Dirs["mydir"] = true
m.Dirs["mydir/subdir"] = true
m.Files["mydir/file.txt"] = "content"
m.Files["mydir/subdir/nested.txt"] = "nested"
err := m.DeleteAll("mydir")
assert.NoError(t, err)
assert.Empty(t, m.Dirs)
assert.Empty(t, m.Files)
}
func TestMockMedium_Rename_Good(t *testing.T) {
m := NewMockMedium()
m.Files["old.txt"] = "content"
err := m.Rename("old.txt", "new.txt")
assert.NoError(t, err)
assert.False(t, m.IsFile("old.txt"))
assert.True(t, m.IsFile("new.txt"))
assert.Equal(t, "content", m.Files["new.txt"])
}
func TestMockMedium_Rename_Good_Dir(t *testing.T) {
m := NewMockMedium()
m.Dirs["olddir"] = true
m.Files["olddir/file.txt"] = "content"
err := m.Rename("olddir", "newdir")
assert.NoError(t, err)
assert.False(t, m.Dirs["olddir"])
assert.True(t, m.Dirs["newdir"])
assert.Equal(t, "content", m.Files["newdir/file.txt"])
}
func TestMockMedium_List_Good(t *testing.T) {
m := NewMockMedium()
m.Dirs["mydir"] = true
m.Files["mydir/file1.txt"] = "content1"
m.Files["mydir/file2.txt"] = "content2"
m.Dirs["mydir/subdir"] = true
entries, err := m.List("mydir")
assert.NoError(t, err)
assert.Len(t, entries, 3)
names := make(map[string]bool)
for _, e := range entries {
names[e.Name()] = true
}
assert.True(t, names["file1.txt"])
assert.True(t, names["file2.txt"])
assert.True(t, names["subdir"])
}
func TestMockMedium_Stat_Good(t *testing.T) {
m := NewMockMedium()
m.Files["test.txt"] = "hello world"
info, err := m.Stat("test.txt")
assert.NoError(t, err)
assert.Equal(t, "test.txt", info.Name())
assert.Equal(t, int64(11), info.Size())
assert.False(t, info.IsDir())
}
func TestMockMedium_Stat_Good_Dir(t *testing.T) {
m := NewMockMedium()
m.Dirs["mydir"] = true
info, err := m.Stat("mydir")
assert.NoError(t, err)
assert.Equal(t, "mydir", info.Name())
assert.True(t, info.IsDir())
}
func TestMockMedium_Exists_Good(t *testing.T) {
m := NewMockMedium()
m.Files["file.txt"] = "content"
m.Dirs["mydir"] = true
assert.True(t, m.Exists("file.txt"))
assert.True(t, m.Exists("mydir"))
assert.False(t, m.Exists("nonexistent"))
}
func TestMockMedium_IsDir_Good(t *testing.T) {
m := NewMockMedium()
m.Files["file.txt"] = "content"
m.Dirs["mydir"] = true
assert.False(t, m.IsDir("file.txt"))
assert.True(t, m.IsDir("mydir"))
assert.False(t, m.IsDir("nonexistent"))
}
// --- Wrapper Function Tests ---
func TestRead_Good(t *testing.T) {

276
pkg/io/io.go
View file

@ -3,7 +3,9 @@ package io
import (
"io/fs"
"os"
"path/filepath"
"strings"
"time"
coreerr "github.com/host-uk/core/pkg/framework/core"
"github.com/host-uk/core/pkg/io/local"
@ -34,25 +36,54 @@ type Medium interface {
// Delete removes a file or empty directory.
Delete(path string) error
// DeleteAll removes a file or directory recursively.
// DeleteAll removes a file or directory and all its contents recursively.
DeleteAll(path string) error
// Rename moves or renames a file or directory.
// Rename moves a file or directory from oldPath to newPath.
Rename(oldPath, newPath string) error
// List returns directory entries.
// List returns the directory entries for the given path.
List(path string) ([]fs.DirEntry, error)
// Stat returns file information.
// Stat returns file information for the given path.
Stat(path string) (fs.FileInfo, error)
// Exists returns true if path exists.
// Exists checks if a path exists (file or directory).
Exists(path string) bool
// IsDir returns true if path is a directory.
// IsDir checks if a path exists and is a directory.
IsDir(path string) bool
}
// FileInfo provides a simple implementation of fs.FileInfo for mock testing.
type FileInfo struct {
name string
size int64
mode fs.FileMode
modTime time.Time
isDir bool
}
func (fi FileInfo) Name() string { return fi.name }
func (fi FileInfo) Size() int64 { return fi.size }
func (fi FileInfo) Mode() fs.FileMode { return fi.mode }
func (fi FileInfo) ModTime() time.Time { return fi.modTime }
func (fi FileInfo) IsDir() bool { return fi.isDir }
func (fi FileInfo) Sys() any { return nil }
// DirEntry provides a simple implementation of fs.DirEntry for mock testing.
type DirEntry struct {
name string
isDir bool
mode fs.FileMode
info fs.FileInfo
}
func (de DirEntry) Name() string { return de.name }
func (de DirEntry) IsDir() bool { return de.isDir }
func (de DirEntry) Type() fs.FileMode { return de.mode.Type() }
func (de DirEntry) Info() (fs.FileInfo, error) { return de.info, nil }
// Local is a pre-initialized medium for the local filesystem.
// It uses "/" as root, providing unsandboxed access to the filesystem.
// For sandboxed access, use NewSandboxed with a specific root path.
@ -162,69 +193,260 @@ func (m *MockMedium) FileSet(path, content string) error {
// Delete removes a file or empty directory from the mock filesystem.
func (m *MockMedium) Delete(path string) error {
if _, ok := m.Files[path]; ok {
delete(m.Files, path)
return nil
}
if _, ok := m.Dirs[path]; ok {
// Check if directory is empty (no files or subdirs with this prefix)
prefix := path
if !strings.HasSuffix(prefix, "/") {
prefix += "/"
}
for f := range m.Files {
if strings.HasPrefix(f, prefix) {
return coreerr.E("io.MockMedium.Delete", "directory not empty: "+path, os.ErrExist)
}
}
for d := range m.Dirs {
if d != path && strings.HasPrefix(d, prefix) {
return coreerr.E("io.MockMedium.Delete", "directory not empty: "+path, os.ErrExist)
}
}
delete(m.Dirs, path)
return nil
}
return coreerr.E("io.MockMedium.Delete", "path not found: "+path, os.ErrNotExist)
}
// DeleteAll removes a file or directory recursively from the mock filesystem.
// DeleteAll removes a file or directory and all contents from the mock filesystem.
func (m *MockMedium) DeleteAll(path string) error {
found := false
if _, ok := m.Files[path]; ok {
delete(m.Files, path)
found = true
}
if _, ok := m.Dirs[path]; ok {
delete(m.Dirs, path)
found = true
}
prefix := path + "/"
for k := range m.Files {
if strings.HasPrefix(k, prefix) {
delete(m.Files, k)
// Delete all entries under this path
prefix := path
if !strings.HasSuffix(prefix, "/") {
prefix += "/"
}
for f := range m.Files {
if strings.HasPrefix(f, prefix) {
delete(m.Files, f)
found = true
}
}
for k := range m.Dirs {
if strings.HasPrefix(k, prefix) {
delete(m.Dirs, k)
for d := range m.Dirs {
if strings.HasPrefix(d, prefix) {
delete(m.Dirs, d)
found = true
}
}
if !found {
return coreerr.E("io.MockMedium.DeleteAll", "path not found: "+path, os.ErrNotExist)
}
return nil
}
// Rename moves or renames a file in the mock filesystem.
// Rename moves a file or directory in the mock filesystem.
func (m *MockMedium) Rename(oldPath, newPath string) error {
if content, ok := m.Files[oldPath]; ok {
m.Files[newPath] = content
delete(m.Files, oldPath)
return nil
}
if m.Dirs[oldPath] {
if _, ok := m.Dirs[oldPath]; ok {
// Move directory and all contents
m.Dirs[newPath] = true
delete(m.Dirs, oldPath)
oldPrefix := oldPath
if !strings.HasSuffix(oldPrefix, "/") {
oldPrefix += "/"
}
newPrefix := newPath
if !strings.HasSuffix(newPrefix, "/") {
newPrefix += "/"
}
// Collect files to move first (don't mutate during iteration)
filesToMove := make(map[string]string)
for f, content := range m.Files {
if strings.HasPrefix(f, oldPrefix) {
newF := newPrefix + strings.TrimPrefix(f, oldPrefix)
filesToMove[f] = newF
_ = content // content will be copied in next loop
}
}
for oldF, newF := range filesToMove {
m.Files[newF] = m.Files[oldF]
delete(m.Files, oldF)
}
// Collect directories to move first
dirsToMove := make(map[string]string)
for d := range m.Dirs {
if strings.HasPrefix(d, oldPrefix) {
newD := newPrefix + strings.TrimPrefix(d, oldPrefix)
dirsToMove[d] = newD
}
}
for oldD, newD := range dirsToMove {
m.Dirs[newD] = true
delete(m.Dirs, oldD)
}
return nil
}
return coreerr.E("io.MockMedium.Rename", "path not found: "+oldPath, os.ErrNotExist)
}
// List returns directory entries from the mock filesystem.
// List returns directory entries for the mock filesystem.
func (m *MockMedium) List(path string) ([]fs.DirEntry, error) {
return []fs.DirEntry{}, nil
if _, ok := m.Dirs[path]; !ok {
// Check if it's the root or has children
hasChildren := false
prefix := path
if path != "" && !strings.HasSuffix(prefix, "/") {
prefix += "/"
}
for f := range m.Files {
if strings.HasPrefix(f, prefix) {
hasChildren = true
break
}
}
if !hasChildren {
for d := range m.Dirs {
if strings.HasPrefix(d, prefix) {
hasChildren = true
break
}
}
}
if !hasChildren && path != "" {
return nil, coreerr.E("io.MockMedium.List", "directory not found: "+path, os.ErrNotExist)
}
}
prefix := path
if path != "" && !strings.HasSuffix(prefix, "/") {
prefix += "/"
}
seen := make(map[string]bool)
var entries []fs.DirEntry
// Find immediate children (files)
for f, content := range m.Files {
if !strings.HasPrefix(f, prefix) {
continue
}
rest := strings.TrimPrefix(f, prefix)
if rest == "" || strings.Contains(rest, "/") {
// Skip if it's not an immediate child
if idx := strings.Index(rest, "/"); idx != -1 {
// This is a subdirectory
dirName := rest[:idx]
if !seen[dirName] {
seen[dirName] = true
entries = append(entries, DirEntry{
name: dirName,
isDir: true,
mode: fs.ModeDir | 0755,
info: FileInfo{
name: dirName,
isDir: true,
mode: fs.ModeDir | 0755,
},
})
}
}
continue
}
if !seen[rest] {
seen[rest] = true
entries = append(entries, DirEntry{
name: rest,
isDir: false,
mode: 0644,
info: FileInfo{
name: rest,
size: int64(len(content)),
mode: 0644,
},
})
}
}
// Find immediate subdirectories
for d := range m.Dirs {
if !strings.HasPrefix(d, prefix) {
continue
}
rest := strings.TrimPrefix(d, prefix)
if rest == "" {
continue
}
// Get only immediate child
if idx := strings.Index(rest, "/"); idx != -1 {
rest = rest[:idx]
}
if !seen[rest] {
seen[rest] = true
entries = append(entries, DirEntry{
name: rest,
isDir: true,
mode: fs.ModeDir | 0755,
info: FileInfo{
name: rest,
isDir: true,
mode: fs.ModeDir | 0755,
},
})
}
}
return entries, nil
}
// Stat returns file information from the mock filesystem.
// Stat returns file information for the mock filesystem.
func (m *MockMedium) Stat(path string) (fs.FileInfo, error) {
if _, ok := m.Files[path]; ok {
return nil, nil // Mock returns nil info for simplicity
if content, ok := m.Files[path]; ok {
return FileInfo{
name: filepath.Base(path),
size: int64(len(content)),
mode: 0644,
}, nil
}
if _, ok := m.Dirs[path]; ok {
return nil, nil
return FileInfo{
name: filepath.Base(path),
isDir: true,
mode: fs.ModeDir | 0755,
}, nil
}
return nil, os.ErrNotExist
return nil, coreerr.E("io.MockMedium.Stat", "path not found: "+path, os.ErrNotExist)
}
// Exists returns true if path exists in the mock filesystem.
// Exists checks if a path exists in the mock filesystem.
func (m *MockMedium) Exists(path string) bool {
if _, ok := m.Files[path]; ok {
return true
}
_, ok := m.Dirs[path]
return ok
if _, ok := m.Dirs[path]; ok {
return true
}
return false
}
// IsDir returns true if path is a directory in the mock filesystem.
// IsDir checks if a path is a directory in the mock filesystem.
func (m *MockMedium) IsDir(path string) bool {
_, ok := m.Dirs[path]
return ok

198
pkg/io/local/client_test.go
View file

@ -177,3 +177,201 @@ func TestFileGetFileSet(t *testing.T) {
assert.NoError(t, err)
assert.Equal(t, "value", val)
}
func TestDelete_Good(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_delete_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
// Create and delete a file
err = medium.Write("file.txt", "content")
assert.NoError(t, err)
assert.True(t, medium.IsFile("file.txt"))
err = medium.Delete("file.txt")
assert.NoError(t, err)
assert.False(t, medium.IsFile("file.txt"))
// Create and delete an empty directory
err = medium.EnsureDir("emptydir")
assert.NoError(t, err)
err = medium.Delete("emptydir")
assert.NoError(t, err)
assert.False(t, medium.IsDir("emptydir"))
}
func TestDelete_Bad_NotEmpty(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_delete_notempty_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
// Create a directory with a file
err = medium.Write("mydir/file.txt", "content")
assert.NoError(t, err)
// Try to delete non-empty directory
err = medium.Delete("mydir")
assert.Error(t, err)
}
func TestDeleteAll_Good(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_deleteall_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
// Create nested structure
err = medium.Write("mydir/file1.txt", "content1")
assert.NoError(t, err)
err = medium.Write("mydir/subdir/file2.txt", "content2")
assert.NoError(t, err)
// Delete all
err = medium.DeleteAll("mydir")
assert.NoError(t, err)
assert.False(t, medium.Exists("mydir"))
assert.False(t, medium.Exists("mydir/file1.txt"))
assert.False(t, medium.Exists("mydir/subdir/file2.txt"))
}
func TestRename_Good(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_rename_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
// Rename a file
err = medium.Write("old.txt", "content")
assert.NoError(t, err)
err = medium.Rename("old.txt", "new.txt")
assert.NoError(t, err)
assert.False(t, medium.IsFile("old.txt"))
assert.True(t, medium.IsFile("new.txt"))
content, err := medium.Read("new.txt")
assert.NoError(t, err)
assert.Equal(t, "content", content)
}
func TestRename_Traversal_Sanitized(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_rename_traversal_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
err = medium.Write("file.txt", "content")
assert.NoError(t, err)
// Traversal attempts are sanitized (.. becomes .), so this renames to "./escaped.txt"
// which is just "escaped.txt" in the root
err = medium.Rename("file.txt", "../escaped.txt")
assert.NoError(t, err)
assert.False(t, medium.Exists("file.txt"))
assert.True(t, medium.Exists("escaped.txt"))
}
func TestList_Good(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_list_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
// Create some files and directories
err = medium.Write("file1.txt", "content1")
assert.NoError(t, err)
err = medium.Write("file2.txt", "content2")
assert.NoError(t, err)
err = medium.EnsureDir("subdir")
assert.NoError(t, err)
// List root
entries, err := medium.List(".")
assert.NoError(t, err)
assert.Len(t, entries, 3)
names := make(map[string]bool)
for _, e := range entries {
names[e.Name()] = true
}
assert.True(t, names["file1.txt"])
assert.True(t, names["file2.txt"])
assert.True(t, names["subdir"])
}
func TestStat_Good(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_stat_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
// Stat a file
err = medium.Write("file.txt", "hello world")
assert.NoError(t, err)
info, err := medium.Stat("file.txt")
assert.NoError(t, err)
assert.Equal(t, "file.txt", info.Name())
assert.Equal(t, int64(11), info.Size())
assert.False(t, info.IsDir())
// Stat a directory
err = medium.EnsureDir("mydir")
assert.NoError(t, err)
info, err = medium.Stat("mydir")
assert.NoError(t, err)
assert.Equal(t, "mydir", info.Name())
assert.True(t, info.IsDir())
}
func TestExists_Good(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_exists_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
assert.False(t, medium.Exists("nonexistent"))
err = medium.Write("file.txt", "content")
assert.NoError(t, err)
assert.True(t, medium.Exists("file.txt"))
err = medium.EnsureDir("mydir")
assert.NoError(t, err)
assert.True(t, medium.Exists("mydir"))
}
func TestIsDir_Good(t *testing.T) {
testRoot, err := os.MkdirTemp("", "local_isdir_test")
assert.NoError(t, err)
defer os.RemoveAll(testRoot)
medium, err := New(testRoot)
assert.NoError(t, err)
err = medium.Write("file.txt", "content")
assert.NoError(t, err)
assert.False(t, medium.IsDir("file.txt"))
err = medium.EnsureDir("mydir")
assert.NoError(t, err)
assert.True(t, medium.IsDir("mydir"))
assert.False(t, medium.IsDir("nonexistent"))
}

219
pkg/log/errors.go Normal file
View file

@ -0,0 +1,219 @@
// Package log provides structured logging and error handling for Core applications.
//
// This file implements structured error types and combined log-and-return helpers
// that simplify common error handling patterns.
package log
import (
"errors"
"fmt"
)
// Err represents a structured error with operational context.
// It implements the error interface and supports unwrapping.
type Err struct {
Op string // Operation being performed (e.g., "user.Save")
Msg string // Human-readable message
Err error // Underlying error (optional)
Code string // Error code (optional, e.g., "VALIDATION_FAILED")
}
// Error implements the error interface.
func (e *Err) Error() string {
if e.Err != nil {
if e.Code != "" {
return fmt.Sprintf("%s: %s [%s]: %v", e.Op, e.Msg, e.Code, e.Err)
}
return fmt.Sprintf("%s: %s: %v", e.Op, e.Msg, e.Err)
}
if e.Code != "" {
return fmt.Sprintf("%s: %s [%s]", e.Op, e.Msg, e.Code)
}
return fmt.Sprintf("%s: %s", e.Op, e.Msg)
}
// Unwrap returns the underlying error for use with errors.Is and errors.As.
func (e *Err) Unwrap() error {
return e.Err
}
// --- Error Creation Functions ---
// E creates a new Err with operation context.
// The underlying error can be nil for creating errors without a cause.
//
// Example:
//
// return log.E("user.Save", "failed to save user", err)
// return log.E("api.Call", "rate limited", nil) // No underlying cause
func E(op, msg string, err error) error {
return &Err{Op: op, Msg: msg, Err: err}
}
// Wrap wraps an error with operation context.
// Returns nil if err is nil, to support conditional wrapping.
//
// Example:
//
// return log.Wrap(err, "db.Query", "database query failed")
func Wrap(err error, op, msg string) error {
if err == nil {
return nil
}
return E(op, msg, err)
}
// WrapCode wraps an error with operation context and error code.
// Returns nil only if both err is nil AND code is empty.
// Useful for API errors that need machine-readable codes.
//
// Example:
//
// return log.WrapCode(err, "VALIDATION_ERROR", "user.Validate", "invalid email")
func WrapCode(err error, code, op, msg string) error {
if err == nil && code == "" {
return nil
}
return &Err{Op: op, Msg: msg, Err: err, Code: code}
}
// NewCode creates an error with just code and message (no underlying error).
// Useful for creating sentinel errors with codes.
//
// Example:
//
// var ErrNotFound = log.NewCode("NOT_FOUND", "resource not found")
func NewCode(code, msg string) error {
return &Err{Msg: msg, Code: code}
}
// --- Standard Library Wrappers ---
// Is reports whether any error in err's tree matches target.
// Wrapper around errors.Is for convenience.
func Is(err, target error) bool {
return errors.Is(err, target)
}
// As finds the first error in err's tree that matches target.
// Wrapper around errors.As for convenience.
func As(err error, target any) bool {
return errors.As(err, target)
}
// NewError creates a simple error with the given text.
// Wrapper around errors.New for convenience.
func NewError(text string) error {
return errors.New(text)
}
// Join combines multiple errors into one.
// Wrapper around errors.Join for convenience.
func Join(errs ...error) error {
return errors.Join(errs...)
}
// --- Error Introspection Helpers ---
// Op extracts the operation name from an error.
// Returns empty string if the error is not an *Err.
func Op(err error) string {
var e *Err
if As(err, &e) {
return e.Op
}
return ""
}
// ErrCode extracts the error code from an error.
// Returns empty string if the error is not an *Err or has no code.
func ErrCode(err error) string {
var e *Err
if As(err, &e) {
return e.Code
}
return ""
}
// Message extracts the message from an error.
// Returns the error's Error() string if not an *Err.
func Message(err error) string {
if err == nil {
return ""
}
var e *Err
if As(err, &e) {
return e.Msg
}
return err.Error()
}
// Root returns the root cause of an error chain.
// Unwraps until no more wrapped errors are found.
func Root(err error) error {
if err == nil {
return nil
}
for {
unwrapped := errors.Unwrap(err)
if unwrapped == nil {
return err
}
err = unwrapped
}
}
// --- Combined Log-and-Return Helpers ---
// LogError logs an error at Error level and returns a wrapped error.
// Reduces boilerplate in error handling paths.
//
// Example:
//
// // Before
// if err != nil {
// log.Error("failed to save", "err", err)
// return errors.Wrap(err, "user.Save", "failed to save")
// }
//
// // After
// if err != nil {
// return log.LogError(err, "user.Save", "failed to save")
// }
func LogError(err error, op, msg string) error {
if err == nil {
return nil
}
wrapped := Wrap(err, op, msg)
defaultLogger.Error(msg, "op", op, "err", err)
return wrapped
}
// LogWarn logs at Warn level and returns a wrapped error.
// Use for recoverable errors that should be logged but not treated as critical.
//
// Example:
//
// return log.LogWarn(err, "cache.Get", "cache miss, falling back to db")
func LogWarn(err error, op, msg string) error {
if err == nil {
return nil
}
wrapped := Wrap(err, op, msg)
defaultLogger.Warn(msg, "op", op, "err", err)
return wrapped
}
// Must panics if err is not nil, logging first.
// Use for errors that should never happen and indicate programmer error.
//
// Example:
//
// log.Must(Initialize(), "app", "startup failed")
func Must(err error, op, msg string) {
if err != nil {
defaultLogger.Error(msg, "op", op, "err", err)
panic(Wrap(err, op, msg))
}
}

274
pkg/log/errors_test.go Normal file
View file

@ -0,0 +1,274 @@
package log
import (
"bytes"
"errors"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
// --- Err Type Tests ---
func TestErr_Error_Good(t *testing.T) {
// With underlying error
err := &Err{Op: "db.Query", Msg: "failed to query", Err: errors.New("connection refused")}
assert.Equal(t, "db.Query: failed to query: connection refused", err.Error())
// With code
err = &Err{Op: "api.Call", Msg: "request failed", Code: "TIMEOUT"}
assert.Equal(t, "api.Call: request failed [TIMEOUT]", err.Error())
// With both underlying error and code
err = &Err{Op: "user.Save", Msg: "save failed", Err: errors.New("duplicate key"), Code: "DUPLICATE"}
assert.Equal(t, "user.Save: save failed [DUPLICATE]: duplicate key", err.Error())
// Just op and msg
err = &Err{Op: "cache.Get", Msg: "miss"}
assert.Equal(t, "cache.Get: miss", err.Error())
}
func TestErr_Unwrap_Good(t *testing.T) {
underlying := errors.New("underlying error")
err := &Err{Op: "test", Msg: "wrapped", Err: underlying}
assert.Equal(t, underlying, errors.Unwrap(err))
assert.True(t, errors.Is(err, underlying))
}
// --- Error Creation Function Tests ---
func TestE_Good(t *testing.T) {
underlying := errors.New("base error")
err := E("op.Name", "something failed", underlying)
assert.NotNil(t, err)
var logErr *Err
assert.True(t, errors.As(err, &logErr))
assert.Equal(t, "op.Name", logErr.Op)
assert.Equal(t, "something failed", logErr.Msg)
assert.Equal(t, underlying, logErr.Err)
}
func TestE_Good_NilError(t *testing.T) {
// E creates an error even with nil underlying - useful for errors without causes
err := E("op.Name", "message", nil)
assert.NotNil(t, err)
assert.Equal(t, "op.Name: message", err.Error())
}
func TestWrap_Good(t *testing.T) {
underlying := errors.New("base")
err := Wrap(underlying, "handler.Process", "processing failed")
assert.NotNil(t, err)
assert.Contains(t, err.Error(), "handler.Process")
assert.Contains(t, err.Error(), "processing failed")
assert.True(t, errors.Is(err, underlying))
}
func TestWrapCode_Good(t *testing.T) {
underlying := errors.New("validation failed")
err := WrapCode(underlying, "INVALID_INPUT", "api.Validate", "bad request")
assert.NotNil(t, err)
var logErr *Err
assert.True(t, errors.As(err, &logErr))
assert.Equal(t, "INVALID_INPUT", logErr.Code)
assert.Equal(t, "api.Validate", logErr.Op)
assert.Contains(t, err.Error(), "[INVALID_INPUT]")
}
func TestWrapCode_Good_NilError(t *testing.T) {
// WrapCode with nil error but with code still creates an error
err := WrapCode(nil, "CODE", "op", "msg")
assert.NotNil(t, err)
assert.Contains(t, err.Error(), "[CODE]")
// Only returns nil when both error and code are empty
err = WrapCode(nil, "", "op", "msg")
assert.Nil(t, err)
}
func TestNewCode_Good(t *testing.T) {
err := NewCode("NOT_FOUND", "resource not found")
var logErr *Err
assert.True(t, errors.As(err, &logErr))
assert.Equal(t, "NOT_FOUND", logErr.Code)
assert.Equal(t, "resource not found", logErr.Msg)
assert.Nil(t, logErr.Err)
}
// --- Standard Library Wrapper Tests ---
func TestIs_Good(t *testing.T) {
sentinel := errors.New("sentinel")
wrapped := Wrap(sentinel, "test", "wrapped")
assert.True(t, Is(wrapped, sentinel))
assert.False(t, Is(wrapped, errors.New("other")))
}
func TestAs_Good(t *testing.T) {
err := E("test.Op", "message", errors.New("base"))
var logErr *Err
assert.True(t, As(err, &logErr))
assert.Equal(t, "test.Op", logErr.Op)
}
func TestNewError_Good(t *testing.T) {
err := NewError("simple error")
assert.NotNil(t, err)
assert.Equal(t, "simple error", err.Error())
}
func TestJoin_Good(t *testing.T) {
err1 := errors.New("error 1")
err2 := errors.New("error 2")
joined := Join(err1, err2)
assert.True(t, errors.Is(joined, err1))
assert.True(t, errors.Is(joined, err2))
}
// --- Helper Function Tests ---
func TestOp_Good(t *testing.T) {
err := E("mypackage.MyFunc", "failed", errors.New("cause"))
assert.Equal(t, "mypackage.MyFunc", Op(err))
}
func TestOp_Good_NotLogError(t *testing.T) {
err := errors.New("plain error")
assert.Equal(t, "", Op(err))
}
func TestErrCode_Good(t *testing.T) {
err := WrapCode(errors.New("base"), "ERR_CODE", "op", "msg")
assert.Equal(t, "ERR_CODE", ErrCode(err))
}
func TestErrCode_Good_NoCode(t *testing.T) {
err := E("op", "msg", errors.New("base"))
assert.Equal(t, "", ErrCode(err))
}
func TestMessage_Good(t *testing.T) {
err := E("op", "the message", errors.New("base"))
assert.Equal(t, "the message", Message(err))
}
func TestMessage_Good_PlainError(t *testing.T) {
err := errors.New("plain message")
assert.Equal(t, "plain message", Message(err))
}
func TestMessage_Good_Nil(t *testing.T) {
assert.Equal(t, "", Message(nil))
}
func TestRoot_Good(t *testing.T) {
root := errors.New("root cause")
level1 := Wrap(root, "level1", "wrapped once")
level2 := Wrap(level1, "level2", "wrapped twice")
assert.Equal(t, root, Root(level2))
}
func TestRoot_Good_SingleError(t *testing.T) {
err := errors.New("single")
assert.Equal(t, err, Root(err))
}
func TestRoot_Good_Nil(t *testing.T) {
assert.Nil(t, Root(nil))
}
// --- Log-and-Return Helper Tests ---
func TestLogError_Good(t *testing.T) {
// Capture log output
var buf bytes.Buffer
logger := New(Options{Level: LevelDebug, Output: &buf})
SetDefault(logger)
defer SetDefault(New(Options{Level: LevelInfo}))
underlying := errors.New("connection failed")
err := LogError(underlying, "db.Connect", "database unavailable")
// Check returned error
assert.NotNil(t, err)
assert.Contains(t, err.Error(), "db.Connect")
assert.Contains(t, err.Error(), "database unavailable")
assert.True(t, errors.Is(err, underlying))
// Check log output
output := buf.String()
assert.Contains(t, output, "[ERR]")
assert.Contains(t, output, "database unavailable")
assert.Contains(t, output, "op=db.Connect")
}
func TestLogError_Good_NilError(t *testing.T) {
var buf bytes.Buffer
logger := New(Options{Level: LevelDebug, Output: &buf})
SetDefault(logger)
defer SetDefault(New(Options{Level: LevelInfo}))
err := LogError(nil, "op", "msg")
assert.Nil(t, err)
assert.Empty(t, buf.String()) // No log output for nil error
}
func TestLogWarn_Good(t *testing.T) {
var buf bytes.Buffer
logger := New(Options{Level: LevelDebug, Output: &buf})
SetDefault(logger)
defer SetDefault(New(Options{Level: LevelInfo}))
underlying := errors.New("cache miss")
err := LogWarn(underlying, "cache.Get", "falling back to db")
assert.NotNil(t, err)
assert.True(t, errors.Is(err, underlying))
output := buf.String()
assert.Contains(t, output, "[WRN]")
assert.Contains(t, output, "falling back to db")
}
func TestLogWarn_Good_NilError(t *testing.T) {
var buf bytes.Buffer
logger := New(Options{Level: LevelDebug, Output: &buf})
SetDefault(logger)
defer SetDefault(New(Options{Level: LevelInfo}))
err := LogWarn(nil, "op", "msg")
assert.Nil(t, err)
assert.Empty(t, buf.String())
}
func TestMust_Good_NoError(t *testing.T) {
// Should not panic when error is nil
assert.NotPanics(t, func() {
Must(nil, "test", "should not panic")
})
}
func TestMust_Ugly_Panics(t *testing.T) {
var buf bytes.Buffer
logger := New(Options{Level: LevelDebug, Output: &buf})
SetDefault(logger)
defer SetDefault(New(Options{Level: LevelInfo}))
assert.Panics(t, func() {
Must(errors.New("fatal error"), "startup", "initialization failed")
})
// Verify error was logged before panic
output := buf.String()
assert.True(t, strings.Contains(output, "[ERR]") || len(output) > 0)
}