| // 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 ( |
| "context" |
| "testing" |
| |
| "golang.org/x/tools/internal/lsp/fake" |
| ) |
| |
| const sharedProgram = ` |
| -- go.mod -- |
| module mod |
| |
| go 1.12 |
| -- main.go -- |
| package main |
| |
| import "fmt" |
| |
| func main() { |
| fmt.Println("Hello World.") |
| }` |
| |
| func runShared(t *testing.T, program string, testFunc func(ctx context.Context, t *testing.T, env1 *Env, env2 *Env)) { |
| // Only run these tests in forwarded modes. |
| modes := runner.Modes() & (Forwarded | SeparateProcess) |
| runner.RunInMode(modes, t, sharedProgram, func(ctx context.Context, t *testing.T, env1 *Env) { |
| // Create a second test session connected to the same workspace and server |
| // as the first. |
| env2 := NewEnv(ctx, t, env1.W, env1.Server) |
| testFunc(ctx, t, env1, env2) |
| }) |
| } |
| |
| func TestSimultaneousEdits(t *testing.T) { |
| t.Parallel() |
| runShared(t, exampleProgram, func(ctx context.Context, t *testing.T, env1 *Env, env2 *Env) { |
| // In editor #1, break fmt.Println as before. |
| edit1 := fake.NewEdit(5, 11, 5, 12, "") |
| env1.OpenFile("main.go") |
| env1.EditBuffer("main.go", edit1) |
| // In editor #2 remove the closing brace. |
| edit2 := fake.NewEdit(6, 0, 6, 1, "") |
| env2.OpenFile("main.go") |
| env2.EditBuffer("main.go", edit2) |
| |
| // Now check that we got different diagnostics in each environment. |
| env1.Await(DiagnosticAt("main.go", 5, 5)) |
| env2.Await(DiagnosticAt("main.go", 7, 0)) |
| }) |
| } |
| |
| func TestShutdown(t *testing.T) { |
| t.Parallel() |
| runShared(t, sharedProgram, func(ctx context.Context, t *testing.T, env1 *Env, env2 *Env) { |
| env1.CloseEditor() |
| // Now make an edit in editor #2 to trigger diagnostics. |
| edit2 := fake.NewEdit(6, 0, 6, 1, "") |
| env2.OpenFile("main.go") |
| env2.EditBuffer("main.go", edit2) |
| env2.Await(DiagnosticAt("main.go", 7, 0)) |
| }) |
| } |