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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.
package main
import (
"errors"
"os"
"os/exec"
"runtime"
"testing"
)
func TestExpandUser(t *testing.T) {
env := "HOME"
if runtime.GOOS == "windows" {
env = "USERPROFILE"
} else if runtime.GOOS == "plan9" {
env = "home"
}
oldenv := os.Getenv(env)
os.Setenv(env, "/home/gopher")
defer os.Setenv(env, oldenv)
tests := []struct {
input string
want string
}{
{input: "~/foo", want: "/home/gopher/foo"},
{input: "${HOME}/foo", want: "/home/gopher/foo"},
{input: "/~/foo", want: "/~/foo"},
}
for _, tt := range tests {
got := expandUser(tt.input)
if got != tt.want {
t.Fatalf("want %q, but %q", tt.want, got)
}
}
}
func TestCmdErr(t *testing.T) {
tests := []struct {
input error
want string
}{
{input: errors.New("cmd error"), want: "cmd error"},
{input: &exec.ExitError{ProcessState: nil, Stderr: nil}, want: "<nil>"},
{input: &exec.ExitError{ProcessState: nil, Stderr: []byte("test")}, want: "<nil>: test"},
}
for i, tt := range tests {
got := cmdErr(tt.input)
if got != tt.want {
t.Fatalf("%d. got %q, want %q", i, got, tt.want)
}
}
}
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