| // Copyright 2021 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. |
| |
| package misc |
| |
| import ( |
| "strings" |
| "testing" |
| |
| "golang.org/x/tools/gopls/internal/lsp/protocol" |
| . "golang.org/x/tools/gopls/internal/lsp/regtest" |
| "golang.org/x/tools/internal/testenv" |
| ) |
| |
| func TestPrepareRenamePackage(t *testing.T) { |
| const files = ` |
| -- go.mod -- |
| module mod.com |
| |
| go 1.18 |
| -- main.go -- |
| package main |
| |
| import ( |
| "fmt" |
| ) |
| |
| func main() { |
| fmt.Println(1) |
| } |
| ` |
| const wantErr = "can't rename packages: LSP client does not support file renaming" |
| Run(t, files, func(t *testing.T, env *Env) { |
| env.OpenFile("main.go") |
| pos := env.RegexpSearch("main.go", `main`) |
| tdpp := protocol.TextDocumentPositionParams{ |
| TextDocument: env.Editor.TextDocumentIdentifier("main.go"), |
| Position: pos.ToProtocolPosition(), |
| } |
| params := &protocol.PrepareRenameParams{ |
| TextDocumentPositionParams: tdpp, |
| } |
| _, err := env.Editor.Server.PrepareRename(env.Ctx, params) |
| if err == nil { |
| t.Errorf("missing can't rename package error from PrepareRename") |
| } |
| |
| if err.Error() != wantErr { |
| t.Errorf("got %v, want %v", err.Error(), wantErr) |
| } |
| }) |
| } |
| |
| func TestRenamePackageInRenamedPackage(t *testing.T) { |
| // Failed at Go 1.13; not investigated |
| testenv.NeedsGo1Point(t, 14) |
| const files = ` |
| -- go.mod -- |
| module mod.com |
| |
| go 1.18 |
| -- main.go -- |
| package main |
| |
| import ( |
| "fmt" |
| "a.go" |
| ) |
| |
| func main() { |
| fmt.Println(a.C) |
| } |
| -- a.go -- |
| package main |
| |
| const C = 1 |
| ` |
| Run(t, files, func(t *testing.T, env *Env) { |
| env.OpenFile("main.go") |
| pos := env.RegexpSearch("main.go", "main") |
| env.Rename("main.go", pos, "pkg") |
| |
| // Check if the new package name exists. |
| env.RegexpSearch("main.go", "package pkg") |
| env.RegexpSearch("a.go", "package pkg") |
| }) |
| } |
| |
| // Test for golang/go#47564. |
| func TestRenameInTestVariant(t *testing.T) { |
| const files = ` |
| -- go.mod -- |
| module mod.com |
| |
| go 1.12 |
| -- stringutil/stringutil.go -- |
| package stringutil |
| |
| func Identity(s string) string { |
| return s |
| } |
| -- stringutil/stringutil_test.go -- |
| package stringutil |
| |
| func TestIdentity(t *testing.T) { |
| if got := Identity("foo"); got != "foo" { |
| t.Errorf("bad") |
| } |
| } |
| -- main.go -- |
| package main |
| |
| import ( |
| "fmt" |
| |
| "mod.com/stringutil" |
| ) |
| |
| func main() { |
| fmt.Println(stringutil.Identity("hello world")) |
| } |
| ` |
| |
| Run(t, files, func(t *testing.T, env *Env) { |
| env.OpenFile("main.go") |
| pos := env.RegexpSearch("main.go", `stringutil\.(Identity)`) |
| env.Rename("main.go", pos, "Identityx") |
| text := env.Editor.BufferText("stringutil/stringutil_test.go") |
| if !strings.Contains(text, "Identityx") { |
| t.Errorf("stringutil/stringutil_test.go: missing expected token `Identityx` after rename:\n%s", text) |
| } |
| }) |
| } |
| |
| // This is a test that rename operation initiated by the editor function as expected. |
| func TestRenameFileFromEditor(t *testing.T) { |
| const files = ` |
| -- go.mod -- |
| module mod.com |
| |
| go 1.16 |
| -- a/a.go -- |
| package a |
| |
| const X = 1 |
| -- a/x.go -- |
| package a |
| |
| const X = 2 |
| -- b/b.go -- |
| package b |
| ` |
| |
| Run(t, files, func(t *testing.T, env *Env) { |
| // Rename files and verify that diagnostics are affected accordingly. |
| |
| // Initially, we should have diagnostics on both X's, for their duplicate declaration. |
| env.Await( |
| OnceMet( |
| InitialWorkspaceLoad, |
| env.DiagnosticAtRegexp("a/a.go", "X"), |
| env.DiagnosticAtRegexp("a/x.go", "X"), |
| ), |
| ) |
| |
| // Moving x.go should make the diagnostic go away. |
| env.RenameFile("a/x.go", "b/x.go") |
| env.Await( |
| OnceMet( |
| env.DoneWithChangeWatchedFiles(), |
| EmptyDiagnostics("a/a.go"), // no more duplicate declarations |
| env.DiagnosticAtRegexp("b/b.go", "package"), // as package names mismatch |
| ), |
| ) |
| |
| // Renaming should also work on open buffers. |
| env.OpenFile("b/x.go") |
| |
| // Moving x.go back to a/ should cause the diagnostics to reappear. |
| env.RenameFile("b/x.go", "a/x.go") |
| // TODO(rfindley): enable using a OnceMet precondition here. We can't |
| // currently do this because DidClose, DidOpen and DidChangeWatchedFiles |
| // are sent, and it is not easy to use all as a precondition. |
| env.Await( |
| env.DiagnosticAtRegexp("a/a.go", "X"), |
| env.DiagnosticAtRegexp("a/x.go", "X"), |
| ) |
| |
| // Renaming the entire directory should move both the open and closed file. |
| env.RenameFile("a", "x") |
| env.Await( |
| env.DiagnosticAtRegexp("x/a.go", "X"), |
| env.DiagnosticAtRegexp("x/x.go", "X"), |
| ) |
| |
| // As a sanity check, verify that x/x.go is open. |
| if text := env.Editor.BufferText("x/x.go"); text == "" { |
| t.Fatal("got empty buffer for x/x.go") |
| } |
| }) |
| } |