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// Copyright 2009 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 exec
import (
"io"
"io/ioutil"
"testing"
"os"
"runtime"
)
func run(argv []string, stdin, stdout, stderr int) (p *Cmd, err os.Error) {
if runtime.GOOS == "windows" {
argv = append([]string{"cmd", "/c"}, argv...)
}
exe, err := LookPath(argv[0])
if err != nil {
return nil, err
}
p, err = Run(exe, argv, nil, "", stdin, stdout, stderr)
return p, err
}
func TestRunCat(t *testing.T) {
cmd, err := run([]string{"cat"}, Pipe, Pipe, DevNull)
if err != nil {
t.Fatal("run:", err)
}
io.WriteString(cmd.Stdin, "hello, world\n")
cmd.Stdin.Close()
buf, err := ioutil.ReadAll(cmd.Stdout)
if err != nil {
t.Fatal("read:", err)
}
if string(buf) != "hello, world\n" {
t.Fatalf("read: got %q", buf)
}
if err = cmd.Close(); err != nil {
t.Fatal("close:", err)
}
}
func TestRunEcho(t *testing.T) {
cmd, err := run([]string{"sh", "-c", "echo hello world"},
DevNull, Pipe, DevNull)
if err != nil {
t.Fatal("run:", err)
}
buf, err := ioutil.ReadAll(cmd.Stdout)
if err != nil {
t.Fatal("read:", err)
}
if string(buf) != "hello world\n" {
t.Fatalf("read: got %q", buf)
}
if err = cmd.Close(); err != nil {
t.Fatal("close:", err)
}
}
func TestStderr(t *testing.T) {
cmd, err := run([]string{"sh", "-c", "echo hello world 1>&2"},
DevNull, DevNull, Pipe)
if err != nil {
t.Fatal("run:", err)
}
buf, err := ioutil.ReadAll(cmd.Stderr)
if err != nil {
t.Fatal("read:", err)
}
if string(buf) != "hello world\n" {
t.Fatalf("read: got %q", buf)
}
if err = cmd.Close(); err != nil {
t.Fatal("close:", err)
}
}
func TestMergeWithStdout(t *testing.T) {
cmd, err := run([]string{"sh", "-c", "echo hello world 1>&2"},
DevNull, Pipe, MergeWithStdout)
if err != nil {
t.Fatal("run:", err)
}
buf, err := ioutil.ReadAll(cmd.Stdout)
if err != nil {
t.Fatal("read:", err)
}
if string(buf) != "hello world\n" {
t.Fatalf("read: got %q", buf)
}
if err = cmd.Close(); err != nil {
t.Fatal("close:", err)
}
}
func TestAddEnvVar(t *testing.T) {
err := os.Setenv("NEWVAR", "hello world")
if err != nil {
t.Fatal("setenv:", err)
}
cmd, err := run([]string{"sh", "-c", "echo $NEWVAR"},
DevNull, Pipe, DevNull)
if err != nil {
t.Fatal("run:", err)
}
buf, err := ioutil.ReadAll(cmd.Stdout)
if err != nil {
t.Fatal("read:", err)
}
if string(buf) != "hello world\n" {
t.Fatalf("read: got %q", buf)
}
if err = cmd.Close(); err != nil {
t.Fatal("close:", err)
}
}
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