mirror of
https://github.com/golang/go
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61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
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// 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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"testing"
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"golang.org/x/tools/internal/lsp/tests"
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"golang.org/x/tools/internal/testenv"
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)
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func TestModFileModification(t *testing.T) {
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testenv.NeedsGo1Point(t, 14)
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const proxy = `
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-- example.com@v1.2.3/go.mod --
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module example.com
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go 1.12
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-- example.com@v1.2.3/blah/blah.go --
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package blah
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const Name = "Blah"
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`
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const untidyModule = `
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-- go.mod --
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module mod.com
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-- main.go --
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package main
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import "example.com/blah"
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func main() {
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fmt.Println(blah.Name)
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}`
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runner.Run(t, untidyModule, func(t *testing.T, env *Env) {
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// Open the file and make sure that the initial workspace load does not
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// modify the go.mod file.
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goModContent := env.ReadWorkspaceFile("go.mod")
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env.OpenFile("main.go")
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env.Await(
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env.DiagnosticAtRegexp("main.go", "\"example.com/blah\""),
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)
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if got := env.ReadWorkspaceFile("go.mod"); got != goModContent {
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t.Fatalf("go.mod changed on disk:\n%s", tests.Diff(want, got))
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}
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// Save the buffer, which will format and organize imports.
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// Confirm that the go.mod file still does not change.
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env.SaveBuffer("main.go")
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env.Await(
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env.DiagnosticAtRegexp("main.go", "\"example.com/blah\""),
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)
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if got := env.ReadWorkspaceFile("go.mod"); got != goModContent {
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t.Fatalf("go.mod changed on disk:\n%s", tests.Diff(want, got))
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}
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}, WithProxy(proxy))
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}
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