open-nomad/command/job_init_test.go

139 lines
3.7 KiB
Go

package command
import (
"io/ioutil"
"os"
"strings"
"testing"
"github.com/hashicorp/nomad/ci"
"github.com/mitchellh/cli"
"github.com/stretchr/testify/require"
)
func TestInitCommand_Implements(t *testing.T) {
ci.Parallel(t)
var _ cli.Command = &JobInitCommand{}
}
func TestInitCommand_Run(t *testing.T) {
ci.Parallel(t)
ui := cli.NewMockUi()
cmd := &JobInitCommand{Meta: Meta{Ui: ui}}
// Fails on misuse
if code := cmd.Run([]string{"some", "bad", "args"}); code != 1 {
t.Fatalf("expect exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, commandErrorText(cmd)) {
t.Fatalf("expect help output, got: %s", out)
}
ui.ErrorWriter.Reset()
// Ensure we change the cwd back
origDir, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(origDir)
// Create a temp dir and change into it
dir := t.TempDir()
if err := os.Chdir(dir); err != nil {
t.Fatalf("err: %s", err)
}
// Works if the file doesn't exist
if code := cmd.Run([]string{}); code != 0 {
t.Fatalf("expect exit code 0, got: %d", code)
}
content, err := ioutil.ReadFile(DefaultInitName)
if err != nil {
t.Fatalf("err: %s", err)
}
defaultJob, _ := Asset("command/assets/example.nomad")
if string(content) != string(defaultJob) {
t.Fatalf("unexpected file content\n\n%s", string(content))
}
// Works with -short flag
os.Remove(DefaultInitName)
if code := cmd.Run([]string{"-short"}); code != 0 {
require.Zero(t, code, "unexpected exit code: %d", code)
}
content, err = ioutil.ReadFile(DefaultInitName)
require.NoError(t, err)
shortJob, _ := Asset("command/assets/example-short.nomad")
require.Equal(t, string(content), string(shortJob))
// Fails if the file exists
if code := cmd.Run([]string{}); code != 1 {
t.Fatalf("expect exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "exists") {
t.Fatalf("expect file exists error, got: %s", out)
}
}
func TestInitCommand_defaultJob(t *testing.T) {
ci.Parallel(t)
// Ensure the job file is always written with spaces instead of tabs. Since
// the default job file is embedded in the go file, it's easy for tabs to
// slip in.
defaultJob, _ := Asset("command/assets/example.nomad")
if strings.Contains(string(defaultJob), "\t") {
t.Error("default job contains tab character - please convert to spaces")
}
}
func TestInitCommand_customFilename(t *testing.T) {
ci.Parallel(t)
ui := cli.NewMockUi()
cmd := &JobInitCommand{Meta: Meta{Ui: ui}}
filename := "custom.nomad"
// Ensure we change the cwd back
origDir, err := os.Getwd()
if err != nil {
t.Fatalf("err: %s", err)
}
defer os.Chdir(origDir)
// Create a temp dir and change into it
dir := t.TempDir()
if err := os.Chdir(dir); err != nil {
t.Fatalf("err: %s", err)
}
// Works if the file doesn't exist
if code := cmd.Run([]string{filename}); code != 0 {
t.Fatalf("expect exit code 0, got: %d", code)
}
content, err := ioutil.ReadFile(filename)
if err != nil {
t.Fatalf("err: %s", err)
}
defaultJob, _ := Asset("command/assets/example.nomad")
if string(content) != string(defaultJob) {
t.Fatalf("unexpected file content\n\n%s", string(content))
}
// Works with -short flag
os.Remove(filename)
if code := cmd.Run([]string{"-short", filename}); code != 0 {
require.Zero(t, code, "unexpected exit code: %d", code)
}
content, err = ioutil.ReadFile(filename)
require.NoError(t, err)
shortJob, _ := Asset("command/assets/example-short.nomad")
require.Equal(t, string(content), string(shortJob))
// Fails if the file exists
if code := cmd.Run([]string{filename}); code != 1 {
t.Fatalf("expect exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "exists") {
t.Fatalf("expect file exists error, got: %s", out)
}
}