Function TestAstFunc3

lang/interpret_test.go:1562–2588

TestAstFunc3 is an even more advanced version which also examines parameter values. It briefly runs the function engine and captures output. Only use with stable, static output. It also briefly runs the resource engine too!

(t *testing.T)

// values. It briefly runs the function engine and captures output. Only use
// with stable, static output. It also briefly runs the resource engine too!
func TestAstFunc3(t *testing.T) {
	const magicError = "# err: "
	const magicErrorLexParse = "errLexParse: "
	const magicErrorInit = "errInit: "
	const magicInterpolate = "errInterpolate: "
	const magicErrorSetScope = "errSetScope: "
	const magicErrorUnify = "errUnify: "
	const magicErrorGraph = "errGraph: "
	const magicErrorInterpret = "errInterpret: "
	const magicErrorAutoEdge = "errAutoEdge: "
	const magicErrorValidate = "errValidate: "
	const magicEmpty = "# empty!"
	dir, err := util.TestDirFull()
	if err != nil {
		t.Errorf("could not get tests directory: %+v", err)
		return
	}
	t.Logf("tests directory is: %s", dir)

	type test struct { // an individual test
		name string
		path string // relative txtar path inside tests dir
	}
	testCases := []test{}

	// build test array automatically from reading the dir
	files, err := os.ReadDir(dir)
	if err != nil {
		t.Errorf("could not read through tests directory: %+v", err)
		return
	}
	sorted := []string{}
	for _, f := range files {
		if f.IsDir() {
			continue
		}
		if !strings.HasSuffix(f.Name(), ".txtar") {
			continue
		}

		sorted = append(sorted, f.Name())
	}
	sort.Strings(sorted)
	for _, f := range sorted {
		// add automatic test case
		testCases = append(testCases, test{
			name: f,
			path: f, // <something>.txtar
		})
	}

	if testing.Short() {
		t.Logf("available tests:")
	}
	names := []string{}
	for index, tc := range testCases { // run all the tests
		if tc.name == "" {
			t.Errorf("test #%d: not named", index)