add step_remove_cdrom tests

builder/vsphere/common/step_remove_cdrom_test.go

@@ -0,0 +1,111 @@
+package common
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
+	"github.com/hashicorp/packer/builder/vsphere/driver"
+	"github.com/hashicorp/packer/helper/multistep"
+)
+
+func TestStepRemoveCDRom_Run(t *testing.T) {
+	tc := []struct {
+		name           string
+		step           *StepRemoveCDRom
+		expectedAction multistep.StepAction
+		vmMock         *driver.VirtualMachineMock
+		expectedVmMock *driver.VirtualMachineMock
+		fail           bool
+		errMessage     string
+	}{
+		{
+			name: "Eject CD-ROM drives",
+			step: &StepRemoveCDRom{
+				Config: &RemoveCDRomConfig{},
+			},
+			expectedAction: multistep.ActionContinue,
+			vmMock:         new(driver.VirtualMachineMock),
+			expectedVmMock: &driver.VirtualMachineMock{
+				EjectCdromsCalled: true,
+			},
+			fail: false,
+		},
+		{
+			name: "Failed to eject CD-ROM drives",
+			step: &StepRemoveCDRom{
+				Config: &RemoveCDRomConfig{},
+			},
+			expectedAction: multistep.ActionHalt,
+			vmMock: &driver.VirtualMachineMock{
+				EjectCdromsErr: fmt.Errorf("failed to eject cd-rom drives"),
+			},
+			expectedVmMock: &driver.VirtualMachineMock{
+				EjectCdromsCalled: true,
+			},
+			fail:       true,
+			errMessage: "failed to eject cd-rom drives",
+		},
+		{
+			name: "Eject and delete CD-ROM drives",
+			step: &StepRemoveCDRom{
+				Config: &RemoveCDRomConfig{
+					RemoveCdrom: true,
+				},
+			},
+			expectedAction: multistep.ActionContinue,
+			vmMock:         new(driver.VirtualMachineMock),
+			expectedVmMock: &driver.VirtualMachineMock{
+				EjectCdromsCalled:  true,
+				RemoveCdromsCalled: true,
+			},
+			fail: false,
+		},
+		{
+			name: "Fail to delete CD-ROM drives",
+			step: &StepRemoveCDRom{
+				Config: &RemoveCDRomConfig{
+					RemoveCdrom: true,
+				},
+			},
+			expectedAction: multistep.ActionHalt,
+			vmMock: &driver.VirtualMachineMock{
+				RemoveCdromsErr: fmt.Errorf("failed to delete cd-rom devices"),
+			},
+			expectedVmMock: &driver.VirtualMachineMock{
+				EjectCdromsCalled:  true,
+				RemoveCdromsCalled: true,
+			},
+			fail:       true,
+			errMessage: "failed to delete cd-rom devices",
+		},
+	}
+
+	for _, c := range tc {
+		t.Run(c.name, func(t *testing.T) {
+			state := basicStateBag(nil)
+			state.Put("vm", c.vmMock)
+
+			if action := c.step.Run(context.TODO(), state); action != c.expectedAction {
+				t.Fatalf("unexpected action %v", action)
+			}
+			err, ok := state.Get("error").(error)
+			if ok {
+				if err.Error() != c.errMessage {
+					t.Fatalf("unexpected error %s", err.Error())
+				}
+			} else {
+				if c.fail {
+					t.Fatalf("expected to fail but it didn't")
+				}
+			}
+
+			if diff := cmp.Diff(c.vmMock, c.expectedVmMock,
+				cmpopts.IgnoreInterfaces(struct{ error }{})); diff != "" {
+				t.Fatalf("unexpected VirtualMachine calls: %s", diff)
+			}
+		})
+	}
+}

builder/vsphere/driver/vm_mock.go

@@ -49,6 +49,12 @@ type VirtualMachineMock struct {
 	RemoveDeviceCalled    bool
 	RemoveDeviceKeepFiles bool
 	RemoveDeviceDevices   []types.BaseVirtualDevice
+
+	EjectCdromsCalled bool
+	EjectCdromsErr    error
+
+	RemoveCdromsCalled bool
+	RemoveCdromsErr    error
 }
 
 func (vm *VirtualMachineMock) Info(params ...string) (*mo.VirtualMachine, error) {
@@ -214,9 +220,11 @@ func (vm *VirtualMachineMock) CreateCdrom(c *types.VirtualController) (*types.Vi
 }
 
 func (vm *VirtualMachineMock) RemoveCdroms() error {
-	return nil
+	vm.RemoveCdromsCalled = true
+	return vm.RemoveCdromsErr
 }
 
 func (vm *VirtualMachineMock) EjectCdroms() error {
-	return nil
+	vm.EjectCdromsCalled = true
+	return vm.EjectCdromsErr
 }