resource/shell/command_executor_test.go
// Copyright © 2016 Asteris, LLC
//
// 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 shell_test
import (
"io/ioutil"
"os"
"strings"
"testing"
"time"
"github.com/asteris-llc/converge/resource/shell"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func Test_Run_WhenScriptTimesOut_ReturnsTimeoutError(t *testing.T) {
script := "sleep 100"
timeout := 1 * time.Millisecond
generator := &shell.CommandGenerator{
Interpreter: "/bin/sh",
Timeout: &timeout,
}
_, err := generator.Run(script)
assert.Error(t, err)
}
func Test_Run_WhenTimeoutSetScriptDoesNotTimeout_DoesNotReturnError(t *testing.T) {
script := "true"
timeout := 5 * time.Second
generator := &shell.CommandGenerator{
Interpreter: "/bin/sh",
Timeout: &timeout,
}
_, err := generator.Run(script)
assert.NoError(t, err)
}
func Test_Run_WhenNoTimeout_RunsScript(t *testing.T) {
script := "true"
generator := &shell.CommandGenerator{Interpreter: "/bin/sh"}
_, err := generator.Run(script)
assert.NoError(t, err)
}
func Test_Run_ReturnsCommandResultsWithCorrectData(t *testing.T) {
script := `echo -n "stdout";
echo -n "stderr" >&2;
exit 7`
generator := &shell.CommandGenerator{Interpreter: "/bin/bash"}
result, err := generator.Run(script)
assert.NoError(t, err)
assert.Equal(t, uint32(7), result.ExitStatus)
assert.Equal(t, "stdout", result.Stdout)
assert.Equal(t, "stderr", result.Stderr)
}
func Test_Run_RunsWithSpecifiedInterpreter(t *testing.T) {
script := "echo -n 'foo'"
generator := &shell.CommandGenerator{Interpreter: "/bin/bash"}
result, err := generator.Run(script)
assert.NoError(t, err)
assert.False(t, strings.HasPrefix(result.Stdout, "-n"))
}
func Test_Run_RunsInDir(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "test-shell-task-check-in-dir")
require.NoError(t, err)
defer func() { require.NoError(t, os.RemoveAll(tmpdir)) }()
script := "echo -n $(pwd)"
generator := &shell.CommandGenerator{Interpreter: "/bin/bash", Dir: tmpdir}
result, err := generator.Run(script)
assert.NoError(t, err)
pwd := result.Stdout
pwd = strings.TrimPrefix(pwd, "/private") // on osx, /tmp is a symlink to private/tmp
assert.Equal(t, tmpdir, pwd)
}
func Test_Run_RunsWithEnv(t *testing.T) {
script := "echo -n \"Role: $ROLE, Version: $VERSION\""
generator := &shell.CommandGenerator{
Interpreter: "/bin/bash",
Env: []string{"ROLE=test", "VERSION=0.1"},
}
result, err := generator.Run(script)
assert.NoError(t, err)
assert.Equal(t, "Role: test, Version: 0.1", result.Stdout)
}