1 // Copyright 2019 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
14 "golang.org/x/tools/go/analysis"
15 "golang.org/x/tools/go/analysis/analysistest"
16 "golang.org/x/tools/go/analysis/internal/checker"
17 "golang.org/x/tools/go/analysis/passes/inspect"
18 "golang.org/x/tools/go/ast/inspector"
19 "golang.org/x/tools/internal/testenv"
24 func TestApplyFixes(t *testing.T) {
25 testenv.NeedsGoPackages(t)
30 files := map[string]string{
31 "rename/test.go": `package rename
40 want := `package rename
50 testdata, cleanup, err := analysistest.WriteFiles(files)
54 path := filepath.Join(testdata, "src/rename/test.go")
56 checker.Run([]string{"file=" + path}, []*analysis.Analyzer{analyzer})
58 contents, err := ioutil.ReadFile(path)
63 got := string(contents)
65 t.Errorf("contents of rewritten file\ngot: %s\nwant: %s", got, want)
71 var analyzer = &analysis.Analyzer{
73 Requires: []*analysis.Analyzer{inspect.Analyzer},
77 func run(pass *analysis.Pass) (interface{}, error) {
78 inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
79 nodeFilter := []ast.Node{(*ast.Ident)(nil)}
80 inspect.Preorder(nodeFilter, func(n ast.Node) {
81 ident := n.(*ast.Ident)
82 if ident.Name == from {
83 msg := fmt.Sprintf("renaming %q to %q", from, to)
84 pass.Report(analysis.Diagnostic{
88 SuggestedFixes: []analysis.SuggestedFix{{
90 TextEdits: []analysis.TextEdit{{