cli/pkg/config/config_test.go

146 lines
3.7 KiB
Go

package config
import (
"encoding/json"
"os"
"path/filepath"
"testing"
"github.com/Snider/Core"
)
// setupTestEnv creates a temporary home directory for testing and ensures a clean environment.
func setupTestEnv(t *testing.T) (string, func()) {
tempHomeDir, err := os.MkdirTemp("", "test_home_*")
if err != nil {
t.Fatalf("Failed to create temp home directory: %v", err)
}
oldHome := os.Getenv("HOME")
os.Setenv("HOME", tempHomeDir)
// Unset XDG vars to ensure HOME is used for path resolution, creating a hermetic test.
oldXdgData := os.Getenv("XDG_DATA_HOME")
oldXdgCache := os.Getenv("XDG_CACHE_HOME")
os.Unsetenv("XDG_DATA_HOME")
os.Unsetenv("XDG_CACHE_HOME")
cleanup := func() {
os.Setenv("HOME", oldHome)
os.Setenv("XDG_DATA_HOME", oldXdgData)
os.Setenv("XDG_CACHE_HOME", oldXdgCache)
os.RemoveAll(tempHomeDir)
}
return tempHomeDir, cleanup
}
// newTestCore creates a new, empty core instance for testing.
func newTestCore(t *testing.T) *core.Core {
c := core.New()
if c == nil {
t.Fatalf("core.New() returned a nil instance")
}
return c
}
func TestConfigService(t *testing.T) {
t.Run("New service creates default config", func(t *testing.T) {
_, cleanup := setupTestEnv(t)
defer cleanup()
c := newTestCore(t)
serviceInstance, err := New(c)
if err != nil {
t.Fatalf("New() failed: %v", err)
}
s, ok := serviceInstance.(*Service)
if !ok {
t.Fatalf("Service instance is not of type *Service")
}
// Check that the config file was created
if _, err := os.Stat(s.ConfigPath); os.IsNotExist(err) {
t.Errorf("config.json was not created at %s", s.ConfigPath)
}
// Check default values
if s.Language != "en" {
t.Errorf("Expected default language 'en', got '%s'", s.Language)
}
})
t.Run("New service loads existing config", func(t *testing.T) {
tempHomeDir, cleanup := setupTestEnv(t)
defer cleanup()
// Manually create a config file with non-default values
configDir := filepath.Join(tempHomeDir, appName, "config")
if err := os.MkdirAll(configDir, os.ModePerm); err != nil {
t.Fatalf("Failed to create test config dir: %v", err)
}
configPath := filepath.Join(configDir, configFileName)
customConfig := `{"language": "fr", "features": ["beta-testing"]}`
if err := os.WriteFile(configPath, []byte(customConfig), 0644); err != nil {
t.Fatalf("Failed to write custom config file: %v", err)
}
c := newTestCore(t)
serviceInstance, err := New(c)
if err != nil {
t.Fatalf("New() failed while loading existing config: %v", err)
}
s, ok := serviceInstance.(*Service)
if !ok {
t.Fatalf("Service instance is not of type *Service")
}
if s.Language != "fr" {
t.Errorf("Expected language 'fr', got '%s'", s.Language)
}
if !s.IsFeatureEnabled("beta-testing") {
t.Errorf("Expected 'beta-testing' feature to be enabled")
}
})
t.Run("EnableFeature and Save", func(t *testing.T) {
_, cleanup := setupTestEnv(t)
defer cleanup()
c := newTestCore(t)
serviceInstance, err := New(c)
if err != nil {
t.Fatalf("New() failed: %v", err)
}
s, ok := serviceInstance.(*Service)
if !ok {
t.Fatalf("Service instance is not of type *Service")
}
if err := s.EnableFeature("new-feature"); err != nil {
t.Fatalf("EnableFeature() failed: %v", err)
}
data, err := os.ReadFile(s.ConfigPath)
if err != nil {
t.Fatalf("Failed to read config file: %v", err)
}
var onDiskService Service
if err := json.Unmarshal(data, &onDiskService); err != nil {
t.Fatalf("Failed to unmarshal saved config: %v", err)
}
found := false
for _, f := range onDiskService.Features {
if f == "new-feature" {
found = true
break
}
}
if !found {
t.Errorf("Enabled feature 'new-feature' was not saved to disk")
}
})
}