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https://github.com/golang/go
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9b52d559c6
This change adds a test for diagnostics not disappearing when you create the first .go file for a project and add an import, then save. Updates golang/go#37195 Change-Id: I871e77d9ab129f13be58931fe009e4297c7f2b38 Reviewed-on: https://go-review.googlesource.com/c/tools/+/221222 Run-TryBot: Rohan Challa <rohan@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package regtest
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import (
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"context"
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"testing"
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"golang.org/x/tools/internal/lsp/fake"
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)
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const exampleProgram = `
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-- go.mod --
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module mod
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go 1.12
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-- main.go --
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package main
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import "fmt"
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func main() {
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fmt.Println("Hello World.")
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}`
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func TestDiagnosticErrorInEditedFile(t *testing.T) {
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runner.Run(t, exampleProgram, func(ctx context.Context, t *testing.T, env *Env) {
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// Deleting the 'n' at the end of Println should generate a single error
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// diagnostic.
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edit := fake.NewEdit(5, 11, 5, 12, "")
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env.OpenFile("main.go")
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env.EditBuffer("main.go", edit)
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env.Await(DiagnosticAt("main.go", 5, 5))
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})
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}
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const onlyMod = `
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-- go.mod --
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module mod
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go 1.12
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`
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func TestMissingImportDiagsClearOnFirstFile(t *testing.T) {
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t.Skip("skipping due to golang.org/issues/37195")
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t.Parallel()
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runner.Run(t, onlyMod, func(ctx context.Context, t *testing.T, env *Env) {
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env.CreateBuffer("main.go", "package main\n\nfunc m() {\nlog.Println()\n}")
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env.SaveBuffer("main.go")
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// TODO: this shouldn't actually happen
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env.Await(DiagnosticAt("main.go", 3, 0))
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})
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}
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const brokenFile = `package main
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const Foo = "abc
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`
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func TestDiagnosticErrorInNewFile(t *testing.T) {
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runner.Run(t, brokenFile, func(ctx context.Context, t *testing.T, env *Env) {
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env.CreateBuffer("broken.go", brokenFile)
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env.Await(DiagnosticAt("broken.go", 2, 12))
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})
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}
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// badPackage contains a duplicate definition of the 'a' const.
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const badPackage = `
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-- go.mod --
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module mod
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go 1.12
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-- a.go --
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package consts
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const a = 1
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-- b.go --
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package consts
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const a = 2
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`
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func TestDiagnosticClearingOnEdit(t *testing.T) {
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runner.Run(t, badPackage, func(ctx context.Context, t *testing.T, env *Env) {
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env.OpenFile("b.go")
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env.Await(DiagnosticAt("a.go", 2, 6), DiagnosticAt("b.go", 2, 6))
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// Fix the error by editing the const name in b.go to `b`.
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edit := fake.NewEdit(2, 6, 2, 7, "b")
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env.EditBuffer("b.go", edit)
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env.Await(EmptyDiagnostics("a.go"), EmptyDiagnostics("b.go"))
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})
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}
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func TestDiagnosticClearingOnDelete(t *testing.T) {
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runner.Run(t, badPackage, func(ctx context.Context, t *testing.T, env *Env) {
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env.OpenFile("a.go")
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env.Await(DiagnosticAt("a.go", 2, 6), DiagnosticAt("b.go", 2, 6))
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env.RemoveFileFromWorkspace("b.go")
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env.Await(EmptyDiagnostics("a.go"), EmptyDiagnostics("b.go"))
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})
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}
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func TestDiagnosticClearingOnClose(t *testing.T) {
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runner.Run(t, badPackage, func(ctx context.Context, t *testing.T, env *Env) {
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env.CreateBuffer("c.go", `package consts
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const a = 3`)
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env.Await(DiagnosticAt("a.go", 2, 6), DiagnosticAt("b.go", 2, 6), DiagnosticAt("c.go", 2, 6))
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env.CloseBuffer("c.go")
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env.Await(DiagnosticAt("a.go", 2, 6), DiagnosticAt("b.go", 2, 6), EmptyDiagnostics("c.go"))
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})
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}
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