Function renderGenericWith

pkg/engine/render_test.go:6950–6977

renderGenericWith is the generic-preset counterpart of renderCozystackWith.

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

// 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 {
	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)
	}
	// Deep-copy chart values so mutations in this helper (or in the
	// caller's overrides) never leak into chrt.Values.
	values := cloneValues(chrt.Values)
	if v, _ := values["endpoint"].(string); v == "" {
		values["endpoint"] = testEndpoint
	}
	maps.Copy(values, overrides)

	eng := helmEngine.Engine{}
	out, err := eng.Render(chrt, chartutil.Values{
		"Values":       values,
		"TalosVersion": "v1.12",
	})
	if err != nil {
		t.Fatalf("render: %v", err)
	}
	return out["generic/templates/controlplane.yaml"]
}

// TestMultiDocCozystack_ValidSubnetsFallsBackToDiscovery pins the
// issue-report fix: when values.yaml leaves advertisedSubnets empty,