+++ /dev/null
-// Copyright 2014 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 buildutil_test
-
-import (
- "go/build"
- "io/ioutil"
- "os"
- "path/filepath"
- "runtime"
- "strings"
- "testing"
-
- "golang.org/x/tools/go/buildutil"
- "golang.org/x/tools/go/packages/packagestest"
-)
-
-func TestContainingPackage(t *testing.T) {
- if runtime.Compiler == "gccgo" {
- t.Skip("gccgo has no GOROOT")
- }
-
- exported := packagestest.Export(t, packagestest.GOPATH, []packagestest.Module{
- {Name: "golang.org/x/tools/go/buildutil", Files: packagestest.MustCopyFileTree(".")}})
- defer exported.Cleanup()
-
- goroot := runtime.GOROOT()
- var gopath string
- for _, env := range exported.Config.Env {
- if !strings.HasPrefix(env, "GOPATH=") {
- continue
- }
- gopath = strings.TrimPrefix(env, "GOPATH=")
- }
- if gopath == "" {
- t.Fatal("Failed to fish GOPATH out of env: ", exported.Config.Env)
- }
- buildutildir := filepath.Join(gopath, "golang.org", "x", "tools", "go", "buildutil")
-
- type Test struct {
- gopath, filename, wantPkg string
- }
-
- tests := []Test{
- {gopath, goroot + "/src/fmt/print.go", "fmt"},
- {gopath, goroot + "/src/encoding/json/foo.go", "encoding/json"},
- {gopath, goroot + "/src/encoding/missing/foo.go", "(not found)"},
- {gopath, gopath + "/src/golang.org/x/tools/go/buildutil/util_test.go",
- "golang.org/x/tools/go/buildutil"},
- }
-
- if runtime.GOOS != "windows" && runtime.GOOS != "plan9" {
- // Make a symlink to gopath for test
- tmp, err := ioutil.TempDir(os.TempDir(), "go")
- if err != nil {
- t.Errorf("Unable to create a temporary directory in %s", os.TempDir())
- }
-
- defer os.RemoveAll(tmp)
-
- // symlink between $GOPATH/src and /tmp/go/src
- // in order to test all possible symlink cases
- if err := os.Symlink(gopath+"/src", tmp+"/src"); err != nil {
- t.Fatal(err)
- }
- tests = append(tests, []Test{
- {gopath, tmp + "/src/golang.org/x/tools/go/buildutil/util_test.go", "golang.org/x/tools/go/buildutil"},
- {tmp, gopath + "/src/golang.org/x/tools/go/buildutil/util_test.go", "golang.org/x/tools/go/buildutil"},
- {tmp, tmp + "/src/golang.org/x/tools/go/buildutil/util_test.go", "golang.org/x/tools/go/buildutil"},
- }...)
- }
-
- for _, test := range tests {
- var got string
- var buildContext = build.Default
- buildContext.GOPATH = test.gopath
- bp, err := buildutil.ContainingPackage(&buildContext, buildutildir, test.filename)
- if err != nil {
- got = "(not found)"
- } else {
- got = bp.ImportPath
- }
- if got != test.wantPkg {
- t.Errorf("ContainingPackage(%q) = %s, want %s", test.filename, got, test.wantPkg)
- }
- }
-
-}