зеркало из https://github.com/golang/dep.git
488 строки
13 KiB
Go
488 строки
13 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package dep
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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"unicode"
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"github.com/golang/dep/internal/test"
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)
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func discardLogger() *log.Logger {
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return log.New(ioutil.Discard, "", 0)
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}
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func TestCtx_ProjectImport(t *testing.T) {
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h := test.NewHelper(t)
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defer h.Cleanup()
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h.TempDir("src")
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h.Setenv("GOPATH", h.Path("."))
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depCtx := &Ctx{GOPATH: h.Path(".")}
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importPaths := []string{
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"github.com/pkg/errors",
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"my/silly/thing",
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}
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for _, want := range importPaths {
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fullpath := filepath.Join(depCtx.GOPATH, "src", want)
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h.TempDir(filepath.Join("src", want))
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got, err := depCtx.ImportForAbs(fullpath)
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if err != nil {
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t.Fatal(err)
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}
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if got != want {
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t.Fatalf("expected %s, got %s", want, got)
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}
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}
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// test where it should return an error when directly within $GOPATH/src
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got, err := depCtx.ImportForAbs(filepath.Join(depCtx.GOPATH, "src"))
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if err == nil || !strings.Contains(err.Error(), "GOPATH/src") {
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t.Fatalf("should have gotten an error for use directly in GOPATH/src, but got %s", got)
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}
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// test where it should return an error
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got, err = depCtx.ImportForAbs("tra/la/la/la")
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if err == nil {
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t.Fatalf("should have gotten an error but did not for tra/la/la/la: %s", got)
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}
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}
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func TestAbsoluteProjectRoot(t *testing.T) {
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h := test.NewHelper(t)
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defer h.Cleanup()
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h.TempDir("src")
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h.Setenv("GOPATH", h.Path("."))
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depCtx := &Ctx{GOPATH: h.Path(".")}
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importPaths := map[string]bool{
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"github.com/pkg/errors": true,
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"my/silly/thing": false,
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}
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for i, create := range importPaths {
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if create {
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h.TempDir(filepath.Join("src", i))
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}
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}
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for i, ok := range importPaths {
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got, err := depCtx.AbsForImport(i)
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if ok {
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h.Must(err)
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want := h.Path(filepath.Join("src", i))
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if got != want {
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t.Fatalf("expected %s, got %q", want, got)
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}
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continue
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}
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if err == nil {
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t.Fatalf("expected %s to fail", i)
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}
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}
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// test that a file fails
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h.TempFile("src/thing/thing.go", "hello world")
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_, err := depCtx.AbsForImport("thing/thing.go")
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if err == nil {
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t.Fatal("error should not be nil for a file found")
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}
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}
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func TestLoadProject(t *testing.T) {
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h := test.NewHelper(t)
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defer h.Cleanup()
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h.TempDir(filepath.Join("src", "test1", "sub"))
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h.TempFile(filepath.Join("src", "test1", ManifestName), "")
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h.TempFile(filepath.Join("src", "test1", LockName), `memo = "cdafe8641b28cd16fe025df278b0a49b9416859345d8b6ba0ace0272b74925ee"`)
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h.TempDir(filepath.Join("src", "test2", "sub"))
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h.TempFile(filepath.Join("src", "test2", ManifestName), "")
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var testcases = []struct {
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name string
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lock bool
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wd string
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}{
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{"direct", true, filepath.Join("src", "test1")},
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{"ascending", true, filepath.Join("src", "test1", "sub")},
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{"without lock", false, filepath.Join("src", "test2")},
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{"ascending without lock", false, filepath.Join("src", "test2", "sub")},
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}
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for _, tc := range testcases {
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t.Run(tc.name, func(t *testing.T) {
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ctx := &Ctx{
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Out: discardLogger(),
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Err: discardLogger(),
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}
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err := ctx.SetPaths(h.Path(tc.wd), h.Path("."))
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if err != nil {
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t.Fatalf("%+v", err)
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}
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p, err := ctx.LoadProject()
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switch {
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case err != nil:
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t.Fatalf("%s: LoadProject failed: %+v", tc.wd, err)
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case p.Manifest == nil:
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t.Fatalf("%s: Manifest file didn't load", tc.wd)
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case tc.lock && p.Lock == nil:
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t.Fatalf("%s: Lock file didn't load", tc.wd)
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case !tc.lock && p.Lock != nil:
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t.Fatalf("%s: Non-existent Lock file loaded", tc.wd)
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}
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})
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}
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}
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func TestLoadProjectNotFoundErrors(t *testing.T) {
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tg := test.NewHelper(t)
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defer tg.Cleanup()
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tg.TempDir("src")
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tg.TempDir("src/test1")
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tg.TempDir("src/test1/sub")
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tg.Setenv("GOPATH", tg.Path("."))
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var testcases = []struct {
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lock bool
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start string
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path string
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}{
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{true, filepath.Join("src", "test1"), ""}, //direct
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{true, filepath.Join("src", "test1", "sub"), ""}, //ascending
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}
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for _, testcase := range testcases {
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ctx := &Ctx{GOPATHs: []string{tg.Path(".")}, WorkingDir: tg.Path(testcase.start)}
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_, err := ctx.LoadProject()
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if err == nil {
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t.Errorf("%s: should have returned 'No Manifest Found' error", testcase.start)
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}
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}
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}
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func TestLoadProjectManifestParseError(t *testing.T) {
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tg := test.NewHelper(t)
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defer tg.Cleanup()
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tg.TempDir("src")
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tg.TempDir("src/test1")
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tg.TempFile(filepath.Join("src/test1", ManifestName), `[[constraint]]`)
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tg.TempFile(filepath.Join("src/test1", LockName), `memo = "cdafe8641b28cd16fe025df278b0a49b9416859345d8b6ba0ace0272b74925ee"\n\n[[projects]]`)
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tg.Setenv("GOPATH", tg.Path("."))
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path := filepath.Join("src", "test1")
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tg.Cd(tg.Path(path))
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wd, err := os.Getwd()
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if err != nil {
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t.Fatal("failed to get working directory", err)
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}
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ctx := &Ctx{
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GOPATH: tg.Path("."),
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WorkingDir: wd,
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Out: discardLogger(),
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Err: discardLogger(),
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}
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_, err = ctx.LoadProject()
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if err == nil {
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t.Fatal("should have returned 'Manifest Syntax' error")
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}
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}
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func TestLoadProjectLockParseError(t *testing.T) {
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tg := test.NewHelper(t)
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defer tg.Cleanup()
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tg.TempDir("src")
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tg.TempDir("src/test1")
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tg.TempFile(filepath.Join("src/test1", ManifestName), `[[constraint]]`)
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tg.TempFile(filepath.Join("src/test1", LockName), `memo = "cdafe8641b28cd16fe025df278b0a49b9416859345d8b6ba0ace0272b74925ee"\n\n[[projects]]`)
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tg.Setenv("GOPATH", tg.Path("."))
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path := filepath.Join("src", "test1")
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tg.Cd(tg.Path(path))
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wd, err := os.Getwd()
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if err != nil {
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t.Fatal("failed to get working directory", err)
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}
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ctx := &Ctx{
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GOPATH: tg.Path("."),
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WorkingDir: wd,
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Out: discardLogger(),
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Err: discardLogger(),
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}
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_, err = ctx.LoadProject()
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if err == nil {
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t.Fatal("should have returned 'Lock Syntax' error")
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}
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}
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func TestLoadProjectNoSrcDir(t *testing.T) {
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tg := test.NewHelper(t)
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defer tg.Cleanup()
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tg.TempDir("test1")
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tg.TempFile(filepath.Join("test1", ManifestName), `[[constraint]]`)
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tg.TempFile(filepath.Join("test1", LockName), `memo = "cdafe8641b28cd16fe025df278b0a49b9416859345d8b6ba0ace0272b74925ee"\n\n[[projects]]`)
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tg.Setenv("GOPATH", tg.Path("."))
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ctx := &Ctx{GOPATH: tg.Path(".")}
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path := filepath.Join("test1")
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tg.Cd(tg.Path(path))
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f, _ := os.OpenFile(filepath.Join(ctx.GOPATH, "src", "test1", LockName), os.O_WRONLY, os.ModePerm)
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defer f.Close()
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_, err := ctx.LoadProject()
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if err == nil {
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t.Fatal("should have returned 'Split Absolute Root' error (no 'src' dir present)")
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}
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}
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func TestLoadProjectGopkgFilenames(t *testing.T) {
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// We are trying to skip this test on file systems which are case-sensiive. We could
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// have used `fs.IsCaseSensitiveFilesystem` for this check. However, the code we are
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// testing also relies on `fs.IsCaseSensitiveFilesystem`. So a bug in
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// `fs.IsCaseSensitiveFilesystem` could prevent this test from being run. This is the
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// only scenario where we prefer the OS heuristic over doing the actual work of
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// validating filesystem case sensitivity via `fs.IsCaseSensitiveFilesystem`.
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if runtime.GOOS != "windows" && runtime.GOOS != "darwin" {
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t.Skip("skip this test on non-Windows, non-macOS")
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}
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// Here we test that a manifest filename with incorrect case throws an error. Similar
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// error will also be thrown for the lock file as well which has been tested in
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// `project_test.go#TestCheckGopkgFilenames`. So not repeating here.
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h := test.NewHelper(t)
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defer h.Cleanup()
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invalidMfName := strings.ToLower(ManifestName)
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wd := filepath.Join("src", "test")
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h.TempFile(filepath.Join(wd, invalidMfName), "")
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ctx := &Ctx{
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Out: discardLogger(),
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Err: discardLogger(),
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}
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err := ctx.SetPaths(h.Path(wd), h.Path("."))
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if err != nil {
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t.Fatalf("%+v", err)
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}
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_, err = ctx.LoadProject()
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if err == nil {
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t.Fatal("should have returned 'Manifest Filename' error")
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}
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expectedErrMsg := fmt.Sprintf(
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"manifest filename %q does not match %q",
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invalidMfName, ManifestName,
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)
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if err.Error() != expectedErrMsg {
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t.Fatalf("unexpected error: %+v", err)
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}
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}
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// TestCaseInsentitive is test for Windows. This should work even though set
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// difference letter cases in GOPATH.
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func TestCaseInsentitiveGOPATH(t *testing.T) {
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if runtime.GOOS != "windows" {
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t.Skip("skip this test on non-Windows")
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}
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h := test.NewHelper(t)
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defer h.Cleanup()
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h.TempDir("src")
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h.TempDir("src/test1")
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h.TempFile(filepath.Join("src/test1", ManifestName), `[[constraint]]`)
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// Shuffle letter case
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rs := []rune(strings.ToLower(h.Path(".")))
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for i, r := range rs {
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if unicode.IsLower(r) {
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rs[i] = unicode.ToUpper(r)
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} else {
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rs[i] = unicode.ToLower(r)
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}
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}
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gopath := string(rs)
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h.Setenv("GOPATH", gopath)
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wd := h.Path("src/test1")
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depCtx := &Ctx{}
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if err := depCtx.SetPaths(wd, gopath); err != nil {
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t.Fatal(err)
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}
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if _, err := depCtx.LoadProject(); err != nil {
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t.Fatal(err)
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}
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ip := "github.com/pkg/errors"
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fullpath := filepath.Join(depCtx.GOPATH, "src", ip)
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h.TempDir(filepath.Join("src", ip))
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pr, err := depCtx.ImportForAbs(fullpath)
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if err != nil {
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t.Fatal(err)
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}
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if pr != ip {
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t.Fatalf("expected %s, got %s", ip, pr)
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}
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}
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func TestDetectProjectGOPATH(t *testing.T) {
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h := test.NewHelper(t)
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defer h.Cleanup()
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h.TempDir(filepath.Join("sym", "symlink"))
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h.TempDir(filepath.Join("go", "src", "sym", "path"))
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h.TempDir(filepath.Join("go", "src", "real", "path"))
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h.TempDir(filepath.Join("go-two", "src", "real", "path"))
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h.TempDir(filepath.Join("go-two", "src", "sym"))
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ctx := &Ctx{
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GOPATHs: []string{h.Path("go"), h.Path("go-two")},
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}
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testcases := []struct {
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name string
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root string
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resolvedRoot string
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GOPATH string
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expectErr bool
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}{
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{
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name: "project-with-no-AbsRoot",
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root: "",
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resolvedRoot: filepath.Join(ctx.GOPATHs[0], "src", "real", "path"),
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expectErr: true,
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},
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{
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name: "project-with-no-ResolvedAbsRoot",
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root: filepath.Join(ctx.GOPATHs[0], "src", "real", "path"),
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resolvedRoot: "",
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expectErr: true,
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},
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{
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name: "AbsRoot-is-not-within-any-GOPATH",
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root: filepath.Join(h.Path("."), "src", "real", "path"),
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resolvedRoot: filepath.Join(h.Path("."), "src", "real", "path"),
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expectErr: true,
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},
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{
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name: "neither-AbsRoot-nor-ResolvedAbsRoot-are-in-any-GOPATH",
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root: filepath.Join(h.Path("."), "src", "sym", "path"),
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resolvedRoot: filepath.Join(h.Path("."), "src", "real", "path"),
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expectErr: true,
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},
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{
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name: "both-AbsRoot-and-ResolvedAbsRoot-are-in-the-same-GOPATH",
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root: filepath.Join(ctx.GOPATHs[0], "src", "sym", "path"),
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resolvedRoot: filepath.Join(ctx.GOPATHs[0], "src", "real", "path"),
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expectErr: true,
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},
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{
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name: "AbsRoot-and-ResolvedAbsRoot-are-each-within-a-different-GOPATH",
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root: filepath.Join(ctx.GOPATHs[0], "src", "sym", "path"),
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resolvedRoot: filepath.Join(ctx.GOPATHs[1], "src", "real", "path"),
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expectErr: true,
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},
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{
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name: "AbsRoot-is-not-a-symlink",
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root: filepath.Join(ctx.GOPATHs[0], "src", "real", "path"),
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resolvedRoot: filepath.Join(ctx.GOPATHs[0], "src", "real", "path"),
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GOPATH: ctx.GOPATHs[0],
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},
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{
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name: "AbsRoot-is-a-symlink-to-ResolvedAbsRoot",
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root: filepath.Join(h.Path("."), "sym", "symlink"),
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resolvedRoot: filepath.Join(ctx.GOPATHs[0], "src", "real", "path"),
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GOPATH: ctx.GOPATHs[0],
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},
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}
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for _, tc := range testcases {
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t.Run(tc.name, func(t *testing.T) {
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project := &Project{
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AbsRoot: tc.root,
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ResolvedAbsRoot: tc.resolvedRoot,
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}
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GOPATH, err := ctx.DetectProjectGOPATH(project)
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if !tc.expectErr && err != nil {
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t.Fatalf("%+v", err)
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} else if tc.expectErr && err == nil {
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t.Fatalf("expected an error, got nil and gopath %s", GOPATH)
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}
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if GOPATH != tc.GOPATH {
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t.Errorf("expected GOPATH %s, got %s", tc.GOPATH, GOPATH)
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}
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})
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}
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}
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func TestDetectGOPATH(t *testing.T) {
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th := test.NewHelper(t)
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defer th.Cleanup()
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th.TempDir(filepath.Join("code", "src", "github.com", "username", "package"))
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th.TempDir(filepath.Join("go", "src", "github.com", "username", "package"))
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th.TempDir(filepath.Join("gotwo", "src", "github.com", "username", "package"))
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ctx := &Ctx{GOPATHs: []string{
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th.Path("go"),
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th.Path("gotwo"),
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}}
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testcases := []struct {
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GOPATH string
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path string
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err bool
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}{
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{th.Path("go"), th.Path(filepath.Join("go", "src", "github.com", "username", "package")), false},
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{th.Path("go"), th.Path(filepath.Join("go", "src", "github.com", "username", "package")), false},
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{th.Path("gotwo"), th.Path(filepath.Join("gotwo", "src", "github.com", "username", "package")), false},
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{"", th.Path(filepath.Join("code", "src", "github.com", "username", "package")), true},
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}
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for _, tc := range testcases {
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GOPATH, err := ctx.detectGOPATH(tc.path)
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if tc.err && err == nil {
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t.Error("expected error but got none")
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}
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if GOPATH != tc.GOPATH {
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t.Errorf("expected GOPATH to be %s, got %s", GOPATH, tc.GOPATH)
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}
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}
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}
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