builder/virtualbox: StepShutdown tests

builder/virtualbox/common/driver_mock.go

 package common
 
+import "sync"
+
 type DriverMock struct {
+	sync.Mutex
+
 	CreateSATAControllerVM         string
 	CreateSATAControllerController string
 	CreateSATAControllerErr        error
@@ -33,6 +37,9 @@ func (d *DriverMock) CreateSATAController(vm string, controller string) error {
 }
 
 func (d *DriverMock) IsRunning(name string) (bool, error) {
+	d.Lock()
+	defer d.Unlock()
+
 	d.IsRunningName = name
 	return d.IsRunningReturn, d.IsRunningErr
 }

builder/virtualbox/common/step_shutdown.go

@@ -58,7 +58,7 @@ func (s *StepShutdown) Run(state multistep.StateBag) multistep.StepAction {
 				ui.Error(err.Error())
 				return multistep.ActionHalt
 			default:
-				time.Sleep(1 * time.Second)
+				time.Sleep(500 * time.Millisecond)
 			}
 		}
 	} else {

builder/virtualbox/common/step_shutdown_test.go

+package common
+
+import (
+	"github.com/mitchellh/multistep"
+	"github.com/mitchellh/packer/packer"
+	"testing"
+	"time"
+)
+
+func TestStepShutdown_impl(t *testing.T) {
+	var _ multistep.Step = new(StepShutdown)
+}
+
+func TestStepShutdown_noShutdownCommand(t *testing.T) {
+	state := testState(t)
+	step := new(StepShutdown)
+
+	comm := new(packer.MockCommunicator)
+	state.Put("communicator", comm)
+	state.Put("vmName", "foo")
+
+	driver := state.Get("driver").(*DriverMock)
+
+	// Test the run
+	if action := step.Run(state); action != multistep.ActionContinue {
+		t.Fatalf("bad action: %#v", action)
+	}
+	if _, ok := state.GetOk("error"); ok {
+		t.Fatal("should NOT have error")
+	}
+
+	// Test that Stop was just called
+	if driver.StopName != "foo" {
+		t.Fatal("should call stop")
+	}
+	if comm.StartCalled {
+		t.Fatal("comm start should not be called")
+	}
+}
+
+func TestStepShutdown_shutdownCommand(t *testing.T) {
+	state := testState(t)
+	step := new(StepShutdown)
+	step.Command = "poweroff"
+	step.Timeout = 1 * time.Second
+
+	comm := new(packer.MockCommunicator)
+	state.Put("communicator", comm)
+	state.Put("vmName", "foo")
+
+	driver := state.Get("driver").(*DriverMock)
+	driver.IsRunningReturn = true
+
+	go func() {
+		time.Sleep(10 * time.Millisecond)
+		driver.Lock()
+		defer driver.Unlock()
+		driver.IsRunningReturn = false
+	}()
+
+	// Test the run
+	if action := step.Run(state); action != multistep.ActionContinue {
+		t.Fatalf("bad action: %#v", action)
+	}
+	if _, ok := state.GetOk("error"); ok {
+		t.Fatal("should NOT have error")
+	}
+
+	// Test that Stop was just called
+	if driver.StopName != "" {
+		t.Fatal("should not call stop")
+	}
+	if comm.StartCmd.Command != step.Command {
+		t.Fatal("comm start should be called")
+	}
+}
+
+func TestStepShutdown_shutdownTimeout(t *testing.T) {
+	state := testState(t)
+	step := new(StepShutdown)
+	step.Command = "poweroff"
+	step.Timeout = 1 * time.Second
+
+	comm := new(packer.MockCommunicator)
+	state.Put("communicator", comm)
+	state.Put("vmName", "foo")
+
+	driver := state.Get("driver").(*DriverMock)
+	driver.IsRunningReturn = true
+
+	go func() {
+		time.Sleep(2 * time.Second)
+		driver.Lock()
+		defer driver.Unlock()
+		driver.IsRunningReturn = false
+	}()
+
+	// Test the run
+	if action := step.Run(state); action != multistep.ActionHalt {
+		t.Fatalf("bad action: %#v", action)
+	}
+	if _, ok := state.GetOk("error"); !ok {
+		t.Fatal("should have error")
+	}
+}