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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"
)
func TestRunCat(t *testing.T) {
cat, err := LookPath("cat")
if err != nil {
t.Fatal("cat: ", err)
}
cmd, err := Run(cat, []string{"cat"}, nil, "",
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) {
echo, err := LookPath("echo")
if err != nil {
t.Fatal("echo: ", err)
}
cmd, err := Run(echo, []string{"echo", "hello", "world"}, nil, "",
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) {
sh, err := LookPath("sh")
if err != nil {
t.Fatal("sh: ", err)
}
cmd, err := Run(sh, []string{"sh", "-c", "echo hello world 1>&2"}, nil, "",
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) {
sh, err := LookPath("sh")
if err != nil {
t.Fatal("sh: ", err)
}
cmd, err := Run(sh, []string{"sh", "-c", "echo hello world 1>&2"}, nil, "",
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)
}
sh, err := LookPath("sh")
if err != nil {
t.Fatal("sh: ", err)
}
cmd, err := Run(sh, []string{"sh", "-c", "echo $NEWVAR"}, nil, "",
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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