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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
// Copyright 2015 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 main
import (
"bytes"
"os"
"os/exec"
"runtime"
"testing"
"golang.org/x/tools/go/packages/packagestest"
)
func TestBundle(t *testing.T) { packagestest.TestAll(t, testBundle) }
func testBundle(t *testing.T, x packagestest.Exporter) {
load := func(name string) string {
data, err := os.ReadFile(name)
if err != nil {
t.Fatal(err)
}
return string(data)
}
e := packagestest.Export(t, x, []packagestest.Module{
{
Name: "initial",
Files: map[string]interface{}{
"a.go": load("testdata/src/initial/a.go"),
"b.go": load("testdata/src/initial/b.go"),
"c.go": load("testdata/src/initial/c.go"),
},
},
{
Name: "domain.name/importdecl",
Files: map[string]interface{}{
"p.go": load("testdata/src/domain.name/importdecl/p.go"),
},
},
})
defer e.Cleanup()
testingOnlyPackagesConfig = e.Config
os.Args = os.Args[:1] // avoid e.g. -test=short in the output
out, err := bundle("initial", "github.com/dest", "dest", "prefix", "tag")
if err != nil {
t.Fatal(err)
}
if got, want := string(out), load("testdata/out.golden"); got != want {
t.Errorf("-- got --\n%s\n-- want --\n%s\n-- diff --", got, want)
if err := os.WriteFile("testdata/out.got", out, 0644); err != nil {
t.Fatal(err)
}
t.Log(diff("testdata/out.golden", "testdata/out.got"))
}
}
func diff(a, b string) string {
var cmd *exec.Cmd
switch runtime.GOOS {
case "plan9":
cmd = exec.Command("/bin/diff", "-c", a, b)
default:
cmd = exec.Command("/usr/bin/diff", "-u", a, b)
}
var out bytes.Buffer
cmd.Stdout = &out
cmd.Stderr = &out
cmd.Run() // nonzero exit is expected
if out.Len() == 0 {
return "(failed to compute diff)"
}
return out.String()
}
|
