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// Copyright 2018 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 packagestest_test
import (
"os"
"path/filepath"
"testing"
"golang.org/x/tools/go/packages/packagestest"
)
var testdata = []packagestest.Module{{
Name: "golang.org/fake1",
Files: map[string]interface{}{
"a.go": packagestest.Symlink("testdata/a.go"), // broken symlink
"b.go": "invalid file contents",
},
Overlay: map[string][]byte{
"b.go": []byte("package fake1"),
"c.go": []byte("package fake1"),
},
}, {
Name: "golang.org/fake2",
Files: map[string]interface{}{
"other/a.go": "package fake2",
},
}, {
Name: "golang.org/fake2/v2",
Files: map[string]interface{}{
"other/a.go": "package fake2",
},
}, {
Name: "golang.org/fake3@v1.0.0",
Files: map[string]interface{}{
"other/a.go": "package fake3",
},
}, {
Name: "golang.org/fake3@v1.1.0",
Files: map[string]interface{}{
"other/a.go": "package fake3",
},
}}
type fileTest struct {
module, fragment, expect string
check func(t *testing.T, exported *packagestest.Exported, filename string)
}
func checkFiles(t *testing.T, exported *packagestest.Exported, tests []fileTest) {
for _, test := range tests {
expect := filepath.Join(exported.Temp(), filepath.FromSlash(test.expect))
got := exported.File(test.module, test.fragment)
if got == "" {
t.Errorf("File %v missing from the output", expect)
} else if got != expect {
t.Errorf("Got file %v, expected %v", got, expect)
}
if test.check != nil {
test.check(t, exported, got)
}
}
}
func checkLink(expect string) func(t *testing.T, exported *packagestest.Exported, filename string) {
expect = filepath.FromSlash(expect)
return func(t *testing.T, exported *packagestest.Exported, filename string) {
if target, err := os.Readlink(filename); err != nil {
t.Errorf("Error checking link %v: %v", filename, err)
} else if target != expect {
t.Errorf("Link %v does not match, got %v expected %v", filename, target, expect)
}
}
}
func checkContent(expect string) func(t *testing.T, exported *packagestest.Exported, filename string) {
return func(t *testing.T, exported *packagestest.Exported, filename string) {
if content, err := exported.FileContents(filename); err != nil {
t.Errorf("Error reading %v: %v", filename, err)
} else if string(content) != expect {
t.Errorf("Content of %v does not match, got %v expected %v", filename, string(content), expect)
}
}
}
func TestGroupFilesByModules(t *testing.T) {
for _, tt := range []struct {
testdir string
want []packagestest.Module
}{
{
testdir: "testdata/groups/one",
want: []packagestest.Module{
{
Name: "testdata/groups/one",
Files: map[string]interface{}{
"main.go": true,
},
},
{
Name: "example.com/extra",
Files: map[string]interface{}{
"help.go": true,
},
},
},
},
{
testdir: "testdata/groups/two",
want: []packagestest.Module{
{
Name: "testdata/groups/two",
Files: map[string]interface{}{
"main.go": true,
"expect/yo.go": true,
"expect/yo_test.go": true,
},
},
{
Name: "example.com/extra",
Files: map[string]interface{}{
"yo.go": true,
"geez/help.go": true,
},
},
{
Name: "example.com/extra/v2",
Files: map[string]interface{}{
"me.go": true,
"geez/help.go": true,
},
},
{
Name: "example.com/tempmod",
Files: map[string]interface{}{
"main.go": true,
},
},
{
Name: "example.com/what@v1.0.0",
Files: map[string]interface{}{
"main.go": true,
},
},
{
Name: "example.com/what@v1.1.0",
Files: map[string]interface{}{
"main.go": true,
},
},
},
},
} {
t.Run(tt.testdir, func(t *testing.T) {
got, err := packagestest.GroupFilesByModules(tt.testdir)
if err != nil {
t.Fatalf("could not group files %v", err)
}
if len(got) != len(tt.want) {
t.Fatalf("%s: wanted %d modules but got %d", tt.testdir, len(tt.want), len(got))
}
for i, w := range tt.want {
g := got[i]
if filepath.FromSlash(g.Name) != filepath.FromSlash(w.Name) {
t.Fatalf("%s: wanted module[%d].Name to be %s but got %s", tt.testdir, i, filepath.FromSlash(w.Name), filepath.FromSlash(g.Name))
}
for fh := range w.Files {
if _, ok := g.Files[fh]; !ok {
t.Fatalf("%s, module[%d]: wanted %s but could not find", tt.testdir, i, fh)
}
}
for fh := range g.Files {
if _, ok := w.Files[fh]; !ok {
t.Fatalf("%s, module[%d]: found unexpected file %s", tt.testdir, i, fh)
}
}
}
})
}
}
|
