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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
|
// Copyright 2011 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 build
import (
"internal/testenv"
"io"
"os"
"path/filepath"
"reflect"
"runtime"
"strings"
"testing"
)
func TestMatch(t *testing.T) {
ctxt := Default
what := "default"
match := func(tag string, want map[string]bool) {
m := make(map[string]bool)
if !ctxt.match(tag, m) {
t.Errorf("%s context should match %s, does not", what, tag)
}
if !reflect.DeepEqual(m, want) {
t.Errorf("%s tags = %v, want %v", tag, m, want)
}
}
nomatch := func(tag string, want map[string]bool) {
m := make(map[string]bool)
if ctxt.match(tag, m) {
t.Errorf("%s context should NOT match %s, does", what, tag)
}
if !reflect.DeepEqual(m, want) {
t.Errorf("%s tags = %v, want %v", tag, m, want)
}
}
match(runtime.GOOS+","+runtime.GOARCH, map[string]bool{runtime.GOOS: true, runtime.GOARCH: true})
match(runtime.GOOS+","+runtime.GOARCH+",!foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
nomatch(runtime.GOOS+","+runtime.GOARCH+",foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
what = "modified"
ctxt.BuildTags = []string{"foo"}
match(runtime.GOOS+","+runtime.GOARCH, map[string]bool{runtime.GOOS: true, runtime.GOARCH: true})
match(runtime.GOOS+","+runtime.GOARCH+",foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
nomatch(runtime.GOOS+","+runtime.GOARCH+",!foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
match(runtime.GOOS+","+runtime.GOARCH+",!bar", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "bar": true})
nomatch(runtime.GOOS+","+runtime.GOARCH+",bar", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "bar": true})
nomatch("!", map[string]bool{})
}
func TestDotSlashImport(t *testing.T) {
p, err := ImportDir("testdata/other", 0)
if err != nil {
t.Fatal(err)
}
if len(p.Imports) != 1 || p.Imports[0] != "./file" {
t.Fatalf("testdata/other: Imports=%v, want [./file]", p.Imports)
}
p1, err := Import("./file", "testdata/other", 0)
if err != nil {
t.Fatal(err)
}
if p1.Name != "file" {
t.Fatalf("./file: Name=%q, want %q", p1.Name, "file")
}
dir := filepath.Clean("testdata/other/file") // Clean to use \ on Windows
if p1.Dir != dir {
t.Fatalf("./file: Dir=%q, want %q", p1.Name, dir)
}
}
func TestEmptyImport(t *testing.T) {
p, err := Import("", Default.GOROOT, FindOnly)
if err == nil {
t.Fatal(`Import("") returned nil error.`)
}
if p == nil {
t.Fatal(`Import("") returned nil package.`)
}
if p.ImportPath != "" {
t.Fatalf("ImportPath=%q, want %q.", p.ImportPath, "")
}
}
func TestEmptyFolderImport(t *testing.T) {
_, err := Import(".", "testdata/empty", 0)
if _, ok := err.(*NoGoError); !ok {
t.Fatal(`Import("testdata/empty") did not return NoGoError.`)
}
}
func TestMultiplePackageImport(t *testing.T) {
_, err := Import(".", "testdata/multi", 0)
mpe, ok := err.(*MultiplePackageError)
if !ok {
t.Fatal(`Import("testdata/multi") did not return MultiplePackageError.`)
}
want := &MultiplePackageError{
Dir: filepath.FromSlash("testdata/multi"),
Packages: []string{"main", "test_package"},
Files: []string{"file.go", "file_appengine.go"},
}
if !reflect.DeepEqual(mpe, want) {
t.Errorf("got %#v; want %#v", mpe, want)
}
}
func TestLocalDirectory(t *testing.T) {
if runtime.GOOS == "darwin" {
switch runtime.GOARCH {
case "arm", "arm64":
t.Skipf("skipping on %s/%s, no valid GOROOT", runtime.GOOS, runtime.GOARCH)
}
}
cwd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
p, err := ImportDir(cwd, 0)
if err != nil {
t.Fatal(err)
}
if p.ImportPath != "go/build" {
t.Fatalf("ImportPath=%q, want %q", p.ImportPath, "go/build")
}
}
func TestShouldBuild(t *testing.T) {
const file1 = "// +build tag1\n\n" +
"package main\n"
want1 := map[string]bool{"tag1": true}
const file2 = "// +build cgo\n\n" +
"// This package implements parsing of tags like\n" +
"// +build tag1\n" +
"package build"
want2 := map[string]bool{"cgo": true}
const file3 = "// Copyright The Go Authors.\n\n" +
"package build\n\n" +
"// shouldBuild checks tags given by lines of the form\n" +
"// +build tag\n" +
"func shouldBuild(content []byte)\n"
want3 := map[string]bool{}
ctx := &Context{BuildTags: []string{"tag1"}}
m := map[string]bool{}
if !ctx.shouldBuild([]byte(file1), m, nil) {
t.Errorf("shouldBuild(file1) = false, want true")
}
if !reflect.DeepEqual(m, want1) {
t.Errorf("shouldBuild(file1) tags = %v, want %v", m, want1)
}
m = map[string]bool{}
if ctx.shouldBuild([]byte(file2), m, nil) {
t.Errorf("shouldBuild(file2) = true, want false")
}
if !reflect.DeepEqual(m, want2) {
t.Errorf("shouldBuild(file2) tags = %v, want %v", m, want2)
}
m = map[string]bool{}
ctx = &Context{BuildTags: nil}
if !ctx.shouldBuild([]byte(file3), m, nil) {
t.Errorf("shouldBuild(file3) = false, want true")
}
if !reflect.DeepEqual(m, want3) {
t.Errorf("shouldBuild(file3) tags = %v, want %v", m, want3)
}
}
type readNopCloser struct {
io.Reader
}
func (r readNopCloser) Close() error {
return nil
}
var (
ctxtP9 = Context{GOARCH: "arm", GOOS: "plan9"}
ctxtAndroid = Context{GOARCH: "arm", GOOS: "android"}
)
var matchFileTests = []struct {
ctxt Context
name string
data string
match bool
}{
{ctxtP9, "foo_arm.go", "", true},
{ctxtP9, "foo1_arm.go", "// +build linux\n\npackage main\n", false},
{ctxtP9, "foo_darwin.go", "", false},
{ctxtP9, "foo.go", "", true},
{ctxtP9, "foo1.go", "// +build linux\n\npackage main\n", false},
{ctxtP9, "foo.badsuffix", "", false},
{ctxtAndroid, "foo_linux.go", "", true},
{ctxtAndroid, "foo_android.go", "", true},
{ctxtAndroid, "foo_plan9.go", "", false},
{ctxtAndroid, "android.go", "", true},
{ctxtAndroid, "plan9.go", "", true},
{ctxtAndroid, "plan9_test.go", "", true},
{ctxtAndroid, "arm.s", "", true},
{ctxtAndroid, "amd64.s", "", true},
}
func TestMatchFile(t *testing.T) {
for _, tt := range matchFileTests {
ctxt := tt.ctxt
ctxt.OpenFile = func(path string) (r io.ReadCloser, err error) {
if path != "x+"+tt.name {
t.Fatalf("OpenFile asked for %q, expected %q", path, "x+"+tt.name)
}
return &readNopCloser{strings.NewReader(tt.data)}, nil
}
ctxt.JoinPath = func(elem ...string) string {
return strings.Join(elem, "+")
}
match, err := ctxt.MatchFile("x", tt.name)
if match != tt.match || err != nil {
t.Fatalf("MatchFile(%q) = %v, %v, want %v, nil", tt.name, match, err, tt.match)
}
}
}
func TestImportCmd(t *testing.T) {
if runtime.GOOS == "darwin" {
switch runtime.GOARCH {
case "arm", "arm64":
t.Skipf("skipping on %s/%s, no valid GOROOT", runtime.GOOS, runtime.GOARCH)
}
}
p, err := Import("cmd/internal/objfile", "", 0)
if err != nil {
t.Fatal(err)
}
if !strings.HasSuffix(filepath.ToSlash(p.Dir), "src/cmd/internal/objfile") {
t.Fatalf("Import cmd/internal/objfile returned Dir=%q, want %q", filepath.ToSlash(p.Dir), ".../src/cmd/internal/objfile")
}
}
var (
expandSrcDirPath = filepath.Join(string(filepath.Separator)+"projects", "src", "add")
)
var expandSrcDirTests = []struct {
input, expected string
}{
{"-L ${SRCDIR}/libs -ladd", "-L /projects/src/add/libs -ladd"},
{"${SRCDIR}/add_linux_386.a -pthread -lstdc++", "/projects/src/add/add_linux_386.a -pthread -lstdc++"},
{"Nothing to expand here!", "Nothing to expand here!"},
{"$", "$"},
{"$$", "$$"},
{"${", "${"},
{"$}", "$}"},
{"$FOO ${BAR}", "$FOO ${BAR}"},
{"Find me the $SRCDIRECTORY.", "Find me the $SRCDIRECTORY."},
{"$SRCDIR is missing braces", "$SRCDIR is missing braces"},
}
func TestExpandSrcDir(t *testing.T) {
for _, test := range expandSrcDirTests {
output, _ := expandSrcDir(test.input, expandSrcDirPath)
if output != test.expected {
t.Errorf("%q expands to %q with SRCDIR=%q when %q is expected", test.input, output, expandSrcDirPath, test.expected)
} else {
t.Logf("%q expands to %q with SRCDIR=%q", test.input, output, expandSrcDirPath)
}
}
}
func TestShellSafety(t *testing.T) {
tests := []struct {
input, srcdir, expected string
result bool
}{
{"-I${SRCDIR}/../include", "/projects/src/issue 11868", "-I/projects/src/issue 11868/../include", true},
{"-X${SRCDIR}/1,${SRCDIR}/2", "/projects/src/issue 11868", "-X/projects/src/issue 11868/1,/projects/src/issue 11868/2", true},
{"-I/tmp -I/tmp", "/tmp2", "-I/tmp -I/tmp", false},
{"-I/tmp", "/tmp/[0]", "-I/tmp", true},
{"-I${SRCDIR}/dir", "/tmp/[0]", "-I/tmp/[0]/dir", false},
}
for _, test := range tests {
output, ok := expandSrcDir(test.input, test.srcdir)
if ok != test.result {
t.Errorf("Expected %t while %q expands to %q with SRCDIR=%q; got %t", test.result, test.input, output, test.srcdir, ok)
}
if output != test.expected {
t.Errorf("Expected %q while %q expands with SRCDIR=%q; got %q", test.expected, test.input, test.srcdir, output)
}
}
}
func TestImportVendor(t *testing.T) {
testenv.MustHaveGoBuild(t) // really must just have source
ctxt := Default
ctxt.GOPATH = ""
p, err := ctxt.Import("golang_org/x/net/http2/hpack", filepath.Join(ctxt.GOROOT, "src/net/http"), 0)
if err != nil {
t.Fatalf("cannot find vendored golang_org/x/net/http2/hpack from net/http directory: %v", err)
}
want := "vendor/golang_org/x/net/http2/hpack"
if p.ImportPath != want {
t.Fatalf("Import succeeded but found %q, want %q", p.ImportPath, want)
}
}
func TestImportVendorFailure(t *testing.T) {
testenv.MustHaveGoBuild(t) // really must just have source
ctxt := Default
ctxt.GOPATH = ""
p, err := ctxt.Import("x.com/y/z", filepath.Join(ctxt.GOROOT, "src/net/http"), 0)
if err == nil {
t.Fatalf("found made-up package x.com/y/z in %s", p.Dir)
}
e := err.Error()
if !strings.Contains(e, " (vendor tree)") {
t.Fatalf("error on failed import does not mention GOROOT/src/vendor directory:\n%s", e)
}
}
func TestImportVendorParentFailure(t *testing.T) {
testenv.MustHaveGoBuild(t) // really must just have source
ctxt := Default
ctxt.GOPATH = ""
// This import should fail because the vendor/golang.org/x/net/http2 directory has no source code.
p, err := ctxt.Import("golang_org/x/net/http2", filepath.Join(ctxt.GOROOT, "src/net/http"), 0)
if err == nil {
t.Fatalf("found empty parent in %s", p.Dir)
}
if p != nil && p.Dir != "" {
t.Fatalf("decided to use %s", p.Dir)
}
e := err.Error()
if !strings.Contains(e, " (vendor tree)") {
t.Fatalf("error on failed import does not mention GOROOT/src/vendor directory:\n%s", e)
}
}
|
