84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
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package sdk
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import (
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"fmt"
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"github.com/getkin/kin-openapi/openapi3"
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"github.com/oasdiff/oasdiff/checker"
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"github.com/oasdiff/oasdiff/diff"
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"github.com/oasdiff/oasdiff/load"
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)
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// DiffResult holds the result of comparing two OpenAPI specs.
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type DiffResult struct {
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// Breaking is true if breaking changes were detected.
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Breaking bool
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// Changes is the list of breaking changes.
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Changes []string
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// Summary is a human-readable summary.
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Summary string
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}
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// Diff compares two OpenAPI specs and detects breaking changes.
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func Diff(basePath, revisionPath string) (*DiffResult, error) {
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loader := openapi3.NewLoader()
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loader.IsExternalRefsAllowed = true
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// Load specs
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baseSpec, err := load.NewSpecInfo(loader, load.NewSource(basePath))
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if err != nil {
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return nil, fmt.Errorf("sdk.Diff: failed to load base spec: %w", err)
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}
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revSpec, err := load.NewSpecInfo(loader, load.NewSource(revisionPath))
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if err != nil {
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return nil, fmt.Errorf("sdk.Diff: failed to load revision spec: %w", err)
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}
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// Compute diff with operations sources map for better error reporting
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diffResult, operationsSources, err := diff.GetWithOperationsSourcesMap(diff.NewConfig(), baseSpec, revSpec)
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if err != nil {
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return nil, fmt.Errorf("sdk.Diff: failed to compute diff: %w", err)
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}
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// Check for breaking changes
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config := checker.NewConfig(checker.GetAllChecks())
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breaks := checker.CheckBackwardCompatibilityUntilLevel(
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config,
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diffResult,
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operationsSources,
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checker.ERR, // Only errors (breaking changes)
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)
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// Build result
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result := &DiffResult{
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Breaking: len(breaks) > 0,
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Changes: make([]string, 0, len(breaks)),
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}
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localizer := checker.NewDefaultLocalizer()
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for _, b := range breaks {
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result.Changes = append(result.Changes, b.GetUncolorizedText(localizer))
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}
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if result.Breaking {
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result.Summary = fmt.Sprintf("%d breaking change(s) detected", len(breaks))
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} else {
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result.Summary = "No breaking changes"
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}
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return result, nil
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}
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// DiffExitCode returns the exit code for CI integration.
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// 0 = no breaking changes, 1 = breaking changes, 2 = error
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func DiffExitCode(result *DiffResult, err error) int {
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if err != nil {
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return 2
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}
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if result.Breaking {
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return 1
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}
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return 0
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}
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