Function assertVersionFile

codegen/generator/generate_merge_test.go:294–320

assertVersionFile checks that goa.json was emitted with the correct version and returns the remaining outputs (excluding goa.json) for further assertions.

(t *testing.T, dir string, outputs []string)

// assertVersionFile checks that goa.json was emitted with the correct version
// and returns the remaining outputs (excluding goa.json) for further assertions.
func assertVersionFile(t *testing.T, dir string, outputs []string) []string {
	t.Helper()

	versionPath := filepath.Join(codegen.Gendir, "goa.json")

	// Read and validate goa.json content.
	bs, err := os.ReadFile(filepath.Join(dir, versionPath))
	if err != nil {
		t.Fatalf("failed reading goa.json: %v", err)
	}
	var data map[string]string
	if err := json.Unmarshal(bs, &data); err != nil {
		t.Fatalf("goa.json is not valid JSON: %v", err)
	}
	if v := data["goa_version"]; v != goa.Version() {
		t.Fatalf("goa.json version = %q, want %q", v, goa.Version())
	}

	// Filter goa.json out of outputs.
	var rest []string
	for _, o := range outputs {
		if filepath.Base(o) != "goa.json" {
			rest = append(rest, o)
		}
	}
	return rest
}