+++ /dev/null
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// No testdata on Android.
-
-// +build !android
-
-package eg_test
-
-import (
- "bytes"
- "flag"
- "go/constant"
- "go/parser"
- "go/token"
- "go/types"
- "io/ioutil"
- "os"
- "os/exec"
- "path/filepath"
- "runtime"
- "strings"
- "testing"
-
- "golang.org/x/tools/go/loader"
- "golang.org/x/tools/internal/testenv"
- "golang.org/x/tools/refactor/eg"
-)
-
-// TODO(adonovan): more tests:
-// - of command-line tool
-// - of all parts of syntax
-// - of applying a template to a package it imports:
-// the replacement syntax should use unqualified names for its objects.
-
-var (
- updateFlag = flag.Bool("update", false, "update the golden files")
- verboseFlag = flag.Bool("verbose", false, "show matcher information")
-)
-
-func Test(t *testing.T) {
- testenv.NeedsTool(t, "go")
-
- switch runtime.GOOS {
- case "windows":
- t.Skipf("skipping test on %q (no /usr/bin/diff)", runtime.GOOS)
- }
-
- conf := loader.Config{
- Fset: token.NewFileSet(),
- ParserMode: parser.ParseComments,
- }
-
- // Each entry is a single-file package.
- // (Multi-file packages aren't interesting for this test.)
- // Order matters: each non-template package is processed using
- // the preceding template package.
- for _, filename := range []string{
- "testdata/A.template",
- "testdata/A1.go",
- "testdata/A2.go",
-
- "testdata/B.template",
- "testdata/B1.go",
-
- "testdata/C.template",
- "testdata/C1.go",
-
- "testdata/D.template",
- "testdata/D1.go",
-
- "testdata/E.template",
- "testdata/E1.go",
-
- "testdata/F.template",
- "testdata/F1.go",
-
- "testdata/G.template",
- "testdata/G1.go",
-
- "testdata/H.template",
- "testdata/H1.go",
-
- "testdata/I.template",
- "testdata/I1.go",
-
- "testdata/J.template",
- "testdata/J1.go",
-
- "testdata/bad_type.template",
- "testdata/no_before.template",
- "testdata/no_after_return.template",
- "testdata/type_mismatch.template",
- "testdata/expr_type_mismatch.template",
- } {
- pkgname := strings.TrimSuffix(filepath.Base(filename), ".go")
- conf.CreateFromFilenames(pkgname, filename)
- }
- iprog, err := conf.Load()
- if err != nil {
- t.Fatal(err)
- }
-
- var xform *eg.Transformer
- for _, info := range iprog.Created {
- file := info.Files[0]
- filename := iprog.Fset.File(file.Pos()).Name() // foo.go
-
- if strings.HasSuffix(filename, "template") {
- // a new template
- shouldFail, _ := info.Pkg.Scope().Lookup("shouldFail").(*types.Const)
- xform, err = eg.NewTransformer(iprog.Fset, info.Pkg, file, &info.Info, *verboseFlag)
- if err != nil {
- if shouldFail == nil {
- t.Errorf("NewTransformer(%s): %s", filename, err)
- } else if want := constant.StringVal(shouldFail.Val()); !strings.Contains(err.Error(), want) {
- t.Errorf("NewTransformer(%s): got error %q, want error %q", filename, err, want)
- }
- } else if shouldFail != nil {
- t.Errorf("NewTransformer(%s) succeeded unexpectedly; want error %q",
- filename, shouldFail.Val())
- }
- continue
- }
-
- if xform == nil {
- t.Errorf("%s: no previous template", filename)
- continue
- }
-
- // apply previous template to this package
- n := xform.Transform(&info.Info, info.Pkg, file)
- if n == 0 {
- t.Errorf("%s: no matches", filename)
- continue
- }
-
- gotf, err := ioutil.TempFile("", filepath.Base(filename)+"t")
- if err != nil {
- t.Fatal(err)
- }
- got := gotf.Name() // foo.got
- golden := filename + "lden" // foo.golden
-
- // Write actual output to foo.got.
- if err := eg.WriteAST(iprog.Fset, got, file); err != nil {
- t.Error(err)
- }
- defer os.Remove(got)
-
- // Compare foo.got with foo.golden.
- var cmd *exec.Cmd
- switch runtime.GOOS {
- case "plan9":
- cmd = exec.Command("/bin/diff", "-c", golden, got)
- default:
- cmd = exec.Command("/usr/bin/diff", "-u", golden, got)
- }
- buf := new(bytes.Buffer)
- cmd.Stdout = buf
- cmd.Stderr = os.Stderr
- if err := cmd.Run(); err != nil {
- t.Errorf("eg tests for %s failed: %s.\n%s\n", filename, err, buf)
-
- if *updateFlag {
- t.Logf("Updating %s...", golden)
- if err := exec.Command("/bin/cp", got, golden).Run(); err != nil {
- t.Errorf("Update failed: %s", err)
- }
- }
- }
- }
-}
projects / dotfiles / .git / blobdiff