Function renderGenericExpectError

pkg/engine/render_test.go:6916–6947

renderGenericExpectError is the generic-preset counterpart of renderCozystackExpectError. Used by mirror tests that pin the same error-message contract on the generic chart.

(t *testing.T, lookup func(string, string, string) (map[string]any, error), overrides map[string]any, talosVersion ...string)

// renderCozystackExpectError. Used by mirror tests that pin the
// same error-message contract on the generic chart.
func renderGenericExpectError(t *testing.T, lookup func(string, string, string) (map[string]any, error), overrides map[string]any, talosVersion ...string) error {
	t.Helper()
	origLookup := helmEngine.LookupFunc
	t.Cleanup(func() { helmEngine.LookupFunc = origLookup })
	helmEngine.LookupFunc = lookup

	chrt, err := loader.LoadDir("../../charts/generic")
	if err != nil {
		t.Fatalf("load chart: %v", err)
	}
	values := cloneValues(chrt.Values)
	if v, _ := values["endpoint"].(string); v == "" {
		values["endpoint"] = testEndpoint
	}
	if arr, ok := values["advertisedSubnets"].([]any); !ok || len(arr) == 0 {
		values["advertisedSubnets"] = []any{testAdvertisedSubnet}
	}
	maps.Copy(values, overrides)

	version := "v1.12"
	if len(talosVersion) > 0 && talosVersion[0] != "" {
		version = talosVersion[0]
	}

	eng := helmEngine.Engine{}
	_, err = eng.Render(chrt, chartutil.Values{
		"Values":       values,
		"TalosVersion": version,
	})

	return err //nolint:wrapcheck // surfacing the render error verbatim is the whole point of this helper
}

// renderGenericWith is the generic-preset counterpart of renderCozystackWith.
func renderGenericWith(t *testing.T, lookup func(string, string, string) (map[string]any, error), overrides map[string]any) string {