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