Files
website/pkg/util/exec/exec_test.go
T
johndmulhausen 6bd2f3f318 Squashed 'k8smain/' content from commit 719158d
git-subtree-dir: k8smain
git-subtree-split: 719158d2c8788c30cc9e1c51bbebb53c5801524e
2016-03-01 18:18:53 -08:00

104 lines
2.5 KiB
Go

/*
Copyright 2014 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package exec
import (
osexec "os/exec"
"testing"
)
func TestExecutorNoArgs(t *testing.T) {
ex := New()
cmd := ex.Command("true")
out, err := cmd.CombinedOutput()
if err != nil {
t.Errorf("expected success, got %v", err)
}
if len(out) != 0 {
t.Errorf("expected no output, got %q", string(out))
}
cmd = ex.Command("false")
out, err = cmd.CombinedOutput()
if err == nil {
t.Errorf("expected failure, got nil error")
}
if len(out) != 0 {
t.Errorf("expected no output, got %q", string(out))
}
ee, ok := err.(ExitError)
if !ok {
t.Errorf("expected an ExitError, got %+v", err)
}
if ee.Exited() {
if code := ee.ExitStatus(); code != 1 {
t.Errorf("expected exit status 1, got %d", code)
}
}
cmd = ex.Command("/does/not/exist")
out, err = cmd.CombinedOutput()
if err == nil {
t.Errorf("expected failure, got nil error")
}
if ee, ok := err.(ExitError); ok {
t.Errorf("expected non-ExitError, got %+v", ee)
}
}
func TestExecutorWithArgs(t *testing.T) {
ex := New()
cmd := ex.Command("/bin/echo", "stdout")
out, err := cmd.CombinedOutput()
if err != nil {
t.Errorf("expected success, got %+v", err)
}
if string(out) != "stdout\n" {
t.Errorf("unexpected output: %q", string(out))
}
cmd = ex.Command("/bin/sh", "-c", "echo stderr > /dev/stderr")
out, err = cmd.CombinedOutput()
if err != nil {
t.Errorf("expected success, got %+v", err)
}
if string(out) != "stderr\n" {
t.Errorf("unexpected output: %q", string(out))
}
}
func TestLookPath(t *testing.T) {
ex := New()
shExpected, _ := osexec.LookPath("sh")
sh, _ := ex.LookPath("sh")
if sh != shExpected {
t.Errorf("unexpected result for LookPath: got %s, expected %s", sh, shExpected)
}
}
func TestExecutableNotFound(t *testing.T) {
exec := New()
cmd := exec.Command("fake_executable_name")
_, err := cmd.CombinedOutput()
if err != ErrExecutableNotFound {
t.Errorf("Expected error ErrExecutableNotFound but got %v", err)
}
}