| // Copyright 2020 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 regtest |
| |
| import ( |
| "testing" |
| ) |
| |
| const exampleProgram = ` |
| -- go.mod -- |
| module mod |
| |
| go 1.12 |
| -- main.go -- |
| package main |
| |
| import "fmt" |
| |
| func main() { |
| fmt.Println("Hello World.") |
| }` |
| |
| func TestDiagnosticErrorInEditedFile(t *testing.T) { |
| runner.Run(t, exampleProgram, func(env *Env) { |
| // Deleting the 'n' at the end of Println should generate a single error |
| // diagnostic. |
| env.OpenFile("main.go") |
| env.RegexpReplace("main.go", "Printl(n)", "") |
| env.Await(env.DiagnosticAtRegexp("main.go", "Printl")) |
| }) |
| } |
| |
| const onlyMod = ` |
| -- go.mod -- |
| module mod |
| |
| go 1.12 |
| ` |
| |
| func TestMissingImportDiagsClearOnFirstFile(t *testing.T) { |
| t.Skip("skipping due to golang.org/issues/37195") |
| t.Parallel() |
| runner.Run(t, onlyMod, func(env *Env) { |
| env.CreateBuffer("main.go", "package main\n\nfunc m() {\nlog.Println()\n}") |
| env.SaveBuffer("main.go") |
| // TODO: this shouldn't actually happen |
| env.Await(env.DiagnosticAtRegexp("main.go", "Println")) |
| }) |
| } |
| |
| const brokenFile = `package main |
| |
| const Foo = "abc |
| ` |
| |
| func TestDiagnosticErrorInNewFile(t *testing.T) { |
| runner.Run(t, brokenFile, func(env *Env) { |
| env.CreateBuffer("broken.go", brokenFile) |
| env.Await(env.DiagnosticAtRegexp("broken.go", "\"abc")) |
| }) |
| } |
| |
| // badPackage contains a duplicate definition of the 'a' const. |
| const badPackage = ` |
| -- go.mod -- |
| module mod |
| |
| go 1.12 |
| -- a.go -- |
| package consts |
| |
| const a = 1 |
| -- b.go -- |
| package consts |
| |
| const a = 2 |
| ` |
| |
| func TestDiagnosticClearingOnEdit(t *testing.T) { |
| runner.Run(t, badPackage, func(env *Env) { |
| env.OpenFile("b.go") |
| env.Await(env.DiagnosticAtRegexp("a.go", "a = 1"), env.DiagnosticAtRegexp("b.go", "a = 2")) |
| |
| // Fix the error by editing the const name in b.go to `b`. |
| env.RegexpReplace("b.go", "(a) = 2", "b") |
| env.Await(EmptyDiagnostics("a.go"), EmptyDiagnostics("b.go")) |
| }) |
| } |
| |
| func TestDiagnosticClearingOnDelete(t *testing.T) { |
| runner.Run(t, badPackage, func(env *Env) { |
| env.OpenFile("a.go") |
| env.Await(env.DiagnosticAtRegexp("a.go", "a = 1"), env.DiagnosticAtRegexp("b.go", "a = 2")) |
| env.RemoveFileFromWorkspace("b.go") |
| |
| env.Await(EmptyDiagnostics("a.go"), EmptyDiagnostics("b.go")) |
| }) |
| } |
| |
| func TestDiagnosticClearingOnClose(t *testing.T) { |
| runner.Run(t, badPackage, func(env *Env) { |
| env.CreateBuffer("c.go", `package consts |
| |
| const a = 3`) |
| env.Await( |
| env.DiagnosticAtRegexp("a.go", "a = 1"), |
| env.DiagnosticAtRegexp("b.go", "a = 2"), |
| env.DiagnosticAtRegexp("c.go", "a = 3")) |
| env.CloseBuffer("c.go") |
| env.Await( |
| env.DiagnosticAtRegexp("a.go", "a = 1"), |
| env.DiagnosticAtRegexp("b.go", "a = 2"), |
| EmptyDiagnostics("c.go")) |
| }) |
| } |