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// 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 misc
import (
"testing"
"golang.org/x/tools/gopls/internal/lsp/fake"
. "golang.org/x/tools/gopls/internal/lsp/regtest"
)
// Smoke test that simultaneous editing sessions in the same workspace works.
func TestSimultaneousEdits(t *testing.T) {
const sharedProgram = `
-- go.mod --
module mod
go 1.12
-- main.go --
package main
import "fmt"
func main() {
fmt.Println("Hello World.")
}`
WithOptions(
Modes(DefaultModes()&(Forwarded|SeparateProcess)),
).Run(t, sharedProgram, func(t *testing.T, env1 *Env) {
// Create a second test session connected to the same workspace and server
// as the first.
awaiter := NewAwaiter(env1.Sandbox.Workdir)
editor, err := fake.NewEditor(env1.Sandbox, env1.Editor.Config()).Connect(env1.Ctx, env1.Server, awaiter.Hooks())
if err != nil {
t.Fatal(err)
}
env2 := &Env{
T: t,
Ctx: env1.Ctx,
Sandbox: env1.Sandbox,
Server: env1.Server,
Editor: editor,
Awaiter: awaiter,
}
env2.Await(InitialWorkspaceLoad)
// In editor #1, break fmt.Println as before.
env1.OpenFile("main.go")
env1.RegexpReplace("main.go", "Printl(n)", "")
// In editor #2 remove the closing brace.
env2.OpenFile("main.go")
env2.RegexpReplace("main.go", "\\)\n(})", "")
// Now check that we got different diagnostics in each environment.
env1.Await(env1.DiagnosticAtRegexp("main.go", "Printl"))
env2.Await(env2.DiagnosticAtRegexp("main.go", "$"))
// Now close editor #2, and verify that operation in editor #1 is
// unaffected.
if err := env2.Editor.Close(env2.Ctx); err != nil {
t.Errorf("closing second editor: %v", err)
}
env1.RegexpReplace("main.go", "Printl", "Println")
env1.Await(
OnceMet(
env1.DoneWithChange(),
EmptyDiagnostics("main.go"),
),
)
})
}
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