open-consul/command/services/deregister/deregister_test.go

187 lines
3.8 KiB
Go

package deregister
import (
"os"
"strings"
"testing"
"github.com/hashicorp/consul/agent"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/mitchellh/cli"
"github.com/stretchr/testify/require"
)
func TestCommand_noTabs(t *testing.T) {
t.Parallel()
if strings.ContainsRune(New(nil).Help(), '\t') {
t.Fatal("help has tabs")
}
}
func TestCommand_Validation(t *testing.T) {
t.Parallel()
ui := cli.NewMockUi()
c := New(ui)
cases := map[string]struct {
args []string
output string
}{
"no args or id": {
[]string{},
"at least one",
},
"args and -id": {
[]string{"-id", "web", "foo.json"},
"not both",
},
}
for name, tc := range cases {
t.Run(name, func(t *testing.T) {
require := require.New(t)
c.init()
// Ensure our buffer is always clear
if ui.ErrorWriter != nil {
ui.ErrorWriter.Reset()
}
if ui.OutputWriter != nil {
ui.OutputWriter.Reset()
}
require.Equal(1, c.Run(tc.args))
output := ui.ErrorWriter.String()
require.Contains(output, tc.output)
})
}
}
func TestCommand_File_id(t *testing.T) {
t.Parallel()
require := require.New(t)
a := agent.NewTestAgent(t, ``)
defer a.Shutdown()
client := a.Client()
// Register a service
require.NoError(client.Agent().ServiceRegister(&api.AgentServiceRegistration{
Name: "web"}))
require.NoError(client.Agent().ServiceRegister(&api.AgentServiceRegistration{
Name: "db"}))
ui := cli.NewMockUi()
c := New(ui)
contents := `{ "Service": { "ID": "web", "Name": "foo" } }`
f := testFile(t, "json")
defer os.Remove(f.Name())
if _, err := f.WriteString(contents); err != nil {
t.Fatalf("err: %#v", err)
}
args := []string{
"-http-addr=" + a.HTTPAddr(),
f.Name(),
}
require.Equal(0, c.Run(args), ui.ErrorWriter.String())
svcs, err := client.Agent().Services()
require.NoError(err)
require.Len(svcs, 1)
require.NotNil(svcs["db"])
}
func TestCommand_File_nameOnly(t *testing.T) {
t.Parallel()
require := require.New(t)
a := agent.NewTestAgent(t, ``)
defer a.Shutdown()
client := a.Client()
// Register a service
require.NoError(client.Agent().ServiceRegister(&api.AgentServiceRegistration{
Name: "web"}))
require.NoError(client.Agent().ServiceRegister(&api.AgentServiceRegistration{
Name: "db"}))
ui := cli.NewMockUi()
c := New(ui)
contents := `{ "Service": { "Name": "web" } }`
f := testFile(t, "json")
defer os.Remove(f.Name())
if _, err := f.WriteString(contents); err != nil {
t.Fatalf("err: %#v", err)
}
args := []string{
"-http-addr=" + a.HTTPAddr(),
f.Name(),
}
require.Equal(0, c.Run(args), ui.ErrorWriter.String())
svcs, err := client.Agent().Services()
require.NoError(err)
require.Len(svcs, 1)
require.NotNil(svcs["db"])
}
func TestCommand_Flag(t *testing.T) {
t.Parallel()
require := require.New(t)
a := agent.NewTestAgent(t, ``)
defer a.Shutdown()
client := a.Client()
// Register a service
require.NoError(client.Agent().ServiceRegister(&api.AgentServiceRegistration{
Name: "web"}))
require.NoError(client.Agent().ServiceRegister(&api.AgentServiceRegistration{
Name: "db"}))
ui := cli.NewMockUi()
c := New(ui)
args := []string{
"-http-addr=" + a.HTTPAddr(),
"-id", "web",
}
require.Equal(0, c.Run(args), ui.ErrorWriter.String())
svcs, err := client.Agent().Services()
require.NoError(err)
require.Len(svcs, 1)
require.NotNil(svcs["db"])
}
func testFile(t *testing.T, suffix string) *os.File {
f := testutil.TempFile(t, "register-test-file")
if err := f.Close(); err != nil {
t.Fatalf("err: %s", err)
}
newName := f.Name() + "." + suffix
if err := os.Rename(f.Name(), newName); err != nil {
os.Remove(f.Name())
t.Fatalf("err: %s", err)
}
f, err := os.Create(newName)
if err != nil {
os.Remove(newName)
t.Fatalf("err: %s", err)
}
return f
}