File: mod_test.go

package info (click to toggle)
golang-golang-x-tools 1%3A0.1.0%2Bds-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 12,588 kB
  • sloc: javascript: 2,011; asm: 1,458; sh: 174; yacc: 155; makefile: 21; ansic: 17
file content (60 lines) | stat: -rw-r--r-- 1,618 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
// Copyright 2019 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 mod

import (
	"io/ioutil"
	"os"
	"path/filepath"
	"testing"

	"golang.org/x/tools/internal/lsp/cache"
	"golang.org/x/tools/internal/lsp/source"
	"golang.org/x/tools/internal/lsp/tests"
	"golang.org/x/tools/internal/span"
	"golang.org/x/tools/internal/testenv"
)

func TestMain(m *testing.M) {
	testenv.ExitIfSmallMachine()
	os.Exit(m.Run())
}

func TestModfileRemainsUnchanged(t *testing.T) {
	testenv.NeedsGo1Point(t, 14)

	ctx := tests.Context(t)
	cache := cache.New(ctx, nil)
	session := cache.NewSession(ctx)
	options := source.DefaultOptions().Clone()
	tests.DefaultOptions(options)
	options.TempModfile = true
	options.Env = map[string]string{"GOPACKAGESDRIVER": "off", "GOROOT": ""}

	// Make sure to copy the test directory to a temporary directory so we do not
	// modify the test code or add go.sum files when we run the tests.
	folder, err := tests.CopyFolderToTempDir(filepath.Join("testdata", "unchanged"))
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(folder)

	before, err := ioutil.ReadFile(filepath.Join(folder, "go.mod"))
	if err != nil {
		t.Fatal(err)
	}
	_, _, release, err := session.NewView(ctx, "diagnostics_test", span.URIFromPath(folder), "", options)
	release()
	if err != nil {
		t.Fatal(err)
	}
	after, err := ioutil.ReadFile(filepath.Join(folder, "go.mod"))
	if err != nil {
		t.Fatal(err)
	}
	if string(before) != string(after) {
		t.Errorf("the real go.mod file was changed even when tempModfile=true")
	}
}