mirror of https://github.com/golang/go.git
75 lines
1.9 KiB
Go
75 lines
1.9 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 misc
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import (
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"testing"
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"golang.org/x/tools/internal/lsp/fake"
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. "golang.org/x/tools/internal/lsp/regtest"
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)
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// Smoke test that simultaneous editing sessions in the same workspace works.
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func TestSimultaneousEdits(t *testing.T) {
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const sharedProgram = `
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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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WithOptions(
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Modes(DefaultModes()&(Forwarded|SeparateProcess)),
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).Run(t, sharedProgram, func(t *testing.T, env1 *Env) {
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// Create a second test session connected to the same workspace and server
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// as the first.
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awaiter := NewAwaiter(env1.Sandbox.Workdir)
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editor, err := fake.NewEditor(env1.Sandbox, env1.Editor.Config()).Connect(env1.Ctx, env1.Server, awaiter.Hooks())
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if err != nil {
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t.Fatal(err)
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}
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env2 := &Env{
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T: t,
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Ctx: env1.Ctx,
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Sandbox: env1.Sandbox,
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Server: env1.Server,
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Editor: editor,
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Awaiter: awaiter,
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}
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env2.Await(InitialWorkspaceLoad)
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// In editor #1, break fmt.Println as before.
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env1.OpenFile("main.go")
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env1.RegexpReplace("main.go", "Printl(n)", "")
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// In editor #2 remove the closing brace.
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env2.OpenFile("main.go")
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env2.RegexpReplace("main.go", "\\)\n(})", "")
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// Now check that we got different diagnostics in each environment.
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env1.Await(env1.DiagnosticAtRegexp("main.go", "Printl"))
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env2.Await(env2.DiagnosticAtRegexp("main.go", "$"))
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// Now close editor #2, and verify that operation in editor #1 is
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// unaffected.
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if err := env2.Editor.Close(env2.Ctx); err != nil {
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t.Errorf("closing second editor: %v", err)
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}
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env1.RegexpReplace("main.go", "Printl", "Println")
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env1.Await(
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OnceMet(
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env1.DoneWithChange(),
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EmptyDiagnostics("main.go"),
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),
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)
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})
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}
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