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// Copyright 2017 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.
// +build !plan9
package main
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"os/exec"
"runtime"
"testing"
)
const (
testbin = "testgetgo"
)
var (
exeSuffix string // ".exe" on Windows
)
func init() {
if runtime.GOOS == "windows" {
exeSuffix = ".exe"
}
}
// TestMain creates a getgo command for testing purposes and
// deletes it after the tests have been run.
func TestMain(m *testing.M) {
if os.Getenv("GOGET_INTEGRATION") == "" {
fmt.Fprintln(os.Stderr, "main_test: Skipping integration tests with GOGET_INTEGRATION unset")
return
}
args := []string{"build", "-tags", testbin, "-o", testbin + exeSuffix}
out, err := exec.Command("go", args...).CombinedOutput()
if err != nil {
fmt.Fprintf(os.Stderr, "building %s failed: %v\n%s", testbin, err, out)
os.Exit(2)
}
// Don't let these environment variables confuse the test.
os.Unsetenv("GOBIN")
os.Unsetenv("GOPATH")
os.Unsetenv("GIT_ALLOW_PROTOCOL")
os.Unsetenv("PATH")
r := m.Run()
os.Remove(testbin + exeSuffix)
os.Exit(r)
}
func createTmpHome(t *testing.T) string {
tmpd, err := ioutil.TempDir("", "testgetgo")
if err != nil {
t.Fatalf("creating test tempdir failed: %v", err)
}
os.Setenv("HOME", tmpd)
return tmpd
}
// doRun runs the test getgo command, recording stdout and stderr and
// returning exit status.
func doRun(t *testing.T, args ...string) error {
var stdout, stderr bytes.Buffer
t.Logf("running %s %v", testbin, args)
cmd := exec.Command("./"+testbin+exeSuffix, args...)
cmd.Stdout = &stdout
cmd.Stderr = &stderr
cmd.Env = os.Environ()
status := cmd.Run()
if stdout.Len() > 0 {
t.Log("standard output:")
t.Log(stdout.String())
}
if stderr.Len() > 0 {
t.Log("standard error:")
t.Log(stderr.String())
}
return status
}
func TestCommandVerbose(t *testing.T) {
tmpd := createTmpHome(t)
defer os.RemoveAll(tmpd)
err := doRun(t, "-v")
if err != nil {
t.Fatal(err)
}
// make sure things are in path
shellConfig, err := shellConfigFile()
if err != nil {
t.Fatal(err)
}
b, err := ioutil.ReadFile(shellConfig)
if err != nil {
t.Fatal(err)
}
home, err := getHomeDir()
if err != nil {
t.Fatal(err)
}
expected := fmt.Sprintf(`
export PATH=$PATH:%s/.go/bin
export GOPATH=%s/go
export PATH=$PATH:%s/go/bin
`, home, home, home)
if string(b) != expected {
t.Fatalf("%s expected %q, got %q", shellConfig, expected, string(b))
}
}
func TestCommandPathExists(t *testing.T) {
tmpd := createTmpHome(t)
defer os.RemoveAll(tmpd)
// run once
err := doRun(t, "-skip-dl")
if err != nil {
t.Fatal(err)
}
// make sure things are in path
shellConfig, err := shellConfigFile()
if err != nil {
t.Fatal(err)
}
b, err := ioutil.ReadFile(shellConfig)
if err != nil {
t.Fatal(err)
}
home, err := getHomeDir()
if err != nil {
t.Fatal(err)
}
expected := fmt.Sprintf(`
export GOPATH=%s/go
export PATH=$PATH:%s/go/bin
`, home, home)
if string(b) != expected {
t.Fatalf("%s expected %q, got %q", shellConfig, expected, string(b))
}
// run twice
if err := doRun(t, "-skip-dl"); err != nil {
t.Fatal(err)
}
b, err = ioutil.ReadFile(shellConfig)
if err != nil {
t.Fatal(err)
}
if string(b) != expected {
t.Fatalf("%s expected %q, got %q", shellConfig, expected, string(b))
}
}
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