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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 (
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
)
func TestAppendPath(t *testing.T) {
tmpd, err := ioutil.TempDir("", "go")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpd)
if err := os.Setenv("HOME", tmpd); err != nil {
t.Fatal(err)
}
GOPATH := os.Getenv("GOPATH")
if err := appendToPATH(filepath.Join(GOPATH, "bin")); err != nil {
t.Fatal(err)
}
shellConfig, err := shellConfigFile()
if err != nil {
t.Fatal(err)
}
b, err := ioutil.ReadFile(shellConfig)
if err != nil {
t.Fatal(err)
}
expected := "export PATH=" + pathVar + envSeparator + filepath.Join(GOPATH, "bin")
if strings.TrimSpace(string(b)) != expected {
t.Fatalf("expected: %q, got %q", expected, strings.TrimSpace(string(b)))
}
// Check that appendToPATH is idempotent.
if err := appendToPATH(filepath.Join(GOPATH, "bin")); err != nil {
t.Fatal(err)
}
b, err = ioutil.ReadFile(shellConfig)
if err != nil {
t.Fatal(err)
}
if strings.TrimSpace(string(b)) != expected {
t.Fatalf("expected: %q, got %q", expected, strings.TrimSpace(string(b)))
}
}
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