docs/commands/commands_test.go

244 lines
5.5 KiB
Go

package commands
import (
"errors"
"flag"
"testing"
"github.com/codegangsta/cli"
"github.com/docker/machine/commands/commandstest"
"github.com/docker/machine/drivers/fakedriver"
"github.com/docker/machine/libmachine"
"github.com/docker/machine/libmachine/crashreport"
"github.com/docker/machine/libmachine/host"
"github.com/docker/machine/libmachine/hosttest"
"github.com/docker/machine/libmachine/mcnerror"
"github.com/docker/machine/libmachine/provision"
"github.com/docker/machine/libmachine/state"
"github.com/stretchr/testify/assert"
)
func TestRunActionForeachMachine(t *testing.T) {
defer provision.SetDetector(&provision.StandardDetector{})
provision.SetDetector(&provision.FakeDetector{
Provisioner: provision.NewNetstatProvisioner(),
})
// Assume a bunch of machines in randomly started or
// stopped states.
machines := []*host.Host{
{
Name: "foo",
DriverName: "fakedriver",
Driver: &fakedriver.Driver{
MockState: state.Running,
},
},
{
Name: "bar",
DriverName: "fakedriver",
Driver: &fakedriver.Driver{
MockState: state.Stopped,
},
},
{
Name: "baz",
// Ssh, don't tell anyone but this
// driver only _thinks_ it's named
// virtualbox... (to test serial actions)
// It's actually FakeDriver!
DriverName: "virtualbox",
Driver: &fakedriver.Driver{
MockState: state.Stopped,
},
},
{
Name: "spam",
DriverName: "virtualbox",
Driver: &fakedriver.Driver{
MockState: state.Running,
},
},
{
Name: "eggs",
DriverName: "fakedriver",
Driver: &fakedriver.Driver{
MockState: state.Stopped,
},
},
{
Name: "ham",
DriverName: "fakedriver",
Driver: &fakedriver.Driver{
MockState: state.Running,
},
},
}
runActionForeachMachine("start", machines)
for _, machine := range machines {
machineState, _ := machine.Driver.GetState()
assert.Equal(t, state.Running, machineState)
}
runActionForeachMachine("stop", machines)
for _, machine := range machines {
machineState, _ := machine.Driver.GetState()
assert.Equal(t, state.Stopped, machineState)
}
}
func TestPrintIPEmptyGivenLocalEngine(t *testing.T) {
stdoutGetter := commandstest.NewStdoutGetter()
defer stdoutGetter.Stop()
host, _ := hosttest.GetDefaultTestHost()
err := printIP(host)()
assert.NoError(t, err)
assert.Equal(t, "\n", stdoutGetter.Output())
}
func TestPrintIPPrintsGivenRemoteEngine(t *testing.T) {
stdoutGetter := commandstest.NewStdoutGetter()
defer stdoutGetter.Stop()
host, _ := hosttest.GetDefaultTestHost()
host.Driver = &fakedriver.Driver{
MockState: state.Running,
MockIP: "1.2.3.4",
}
err := printIP(host)()
assert.NoError(t, err)
assert.Equal(t, "1.2.3.4\n", stdoutGetter.Output())
}
func TestConsolidateError(t *testing.T) {
cases := []struct {
inputErrs []error
expectedErr error
}{
{
inputErrs: []error{
errors.New("Couldn't remove host 'bar'"),
},
expectedErr: errors.New("Couldn't remove host 'bar'"),
},
{
inputErrs: []error{
errors.New("Couldn't remove host 'bar'"),
errors.New("Couldn't remove host 'foo'"),
},
expectedErr: errors.New("Couldn't remove host 'bar'\nCouldn't remove host 'foo'"),
},
}
for _, c := range cases {
assert.Equal(t, c.expectedErr, consolidateErrs(c.inputErrs))
}
}
type MockCrashReporter struct {
sent bool
}
func (m *MockCrashReporter) Send(err crashreport.CrashError) error {
m.sent = true
return nil
}
func TestSendCrashReport(t *testing.T) {
defer func(fnOsExit func(code int)) { osExit = fnOsExit }(osExit)
osExit = func(code int) {}
defer func(factory func(baseDir string, apiKey string) crashreport.CrashReporter) {
crashreport.NewCrashReporter = factory
}(crashreport.NewCrashReporter)
tests := []struct {
description string
err error
sent bool
}{
{
description: "Should send crash error",
err: crashreport.CrashError{
Cause: errors.New("BUG"),
Command: "command",
Context: "context",
DriverName: "virtualbox",
},
sent: true,
},
{
description: "Should not send standard error",
err: errors.New("BUG"),
sent: false,
},
}
for _, test := range tests {
mockCrashReporter := &MockCrashReporter{}
crashreport.NewCrashReporter = func(baseDir string, apiKey string) crashreport.CrashReporter {
return mockCrashReporter
}
command := func(commandLine CommandLine, api libmachine.API) error {
return test.err
}
context := cli.NewContext(cli.NewApp(), &flag.FlagSet{}, nil)
runCommand(command)(context)
assert.Equal(t, test.sent, mockCrashReporter.sent, test.description)
}
}
func TestReturnExitCode1onError(t *testing.T) {
command := func(commandLine CommandLine, api libmachine.API) error {
return errors.New("foo is not bar")
}
exitCode := checkErrorCodeForCommand(command)
assert.Equal(t, 1, exitCode)
}
func TestReturnExitCode3onErrorDuringPreCreate(t *testing.T) {
command := func(commandLine CommandLine, api libmachine.API) error {
return crashreport.CrashError{
Cause: mcnerror.ErrDuringPreCreate{
Cause: errors.New("foo is not bar"),
},
}
}
exitCode := checkErrorCodeForCommand(command)
assert.Equal(t, 3, exitCode)
}
func checkErrorCodeForCommand(command func(commandLine CommandLine, api libmachine.API) error) int {
var setExitCode int
originalOSExit := osExit
defer func() {
osExit = originalOSExit
}()
osExit = func(code int) {
setExitCode = code
}
context := cli.NewContext(cli.NewApp(), &flag.FlagSet{}, nil)
runCommand(command)(context)
return setExitCode
}