Function resetRegistryForTesting

modules/overrides/extension_test.go:523–538

resetRegistryForTesting clears the extension registry for the duration of the test, restoring the original state via t.Cleanup. This prevents extension registrations in one test from leaking into others.

(t *testing.T)

// restoring the original state via t.Cleanup. This prevents extension registrations
// in one test from leaking into others.
func resetRegistryForTesting(t *testing.T) {
	t.Helper()
	extensionRegistry.Lock()
	savedEntries := extensionRegistry.entries
	savedLegacyKeys := extensionRegistry.allLegacyKeys
	extensionRegistry.entries = make(map[string]*registryEntry)
	extensionRegistry.allLegacyKeys = make(map[string]struct{})
	extensionRegistry.Unlock()

	t.Cleanup(func() {
		extensionRegistry.Lock()
		extensionRegistry.entries = savedEntries
		extensionRegistry.allLegacyKeys = savedLegacyKeys
		extensionRegistry.Unlock()
	})
}

var _ Extension = (*testExtension)(nil)