packer-cn/builder/azure/chroot/step_attach_disk_test.go

132 lines
3.2 KiB
Go

package chroot
import (
"context"
"errors"
"io/ioutil"
"net/http"
"reflect"
"strings"
"testing"
"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2019-12-01/compute"
"github.com/Azure/go-autorest/autorest"
"github.com/hashicorp/packer/builder/azure/common/client"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
func TestStepAttachDisk_Run(t *testing.T) {
type fields struct {
GetDiskResponseCode int
GetDiskResponseBody string
attachError error
waitForDeviceError error
}
tests := []struct {
name string
fields fields
want multistep.StepAction
}{
{
name: "HappyPath",
want: multistep.ActionContinue,
},
{
name: "AttachError",
fields: fields{
attachError: errors.New("unit test"),
},
want: multistep.ActionHalt,
},
{
name: "WaitForDeviceError",
fields: fields{
waitForDeviceError: errors.New("unit test"),
},
want: multistep.ActionHalt,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := &StepAttachDisk{}
NewDiskAttacher = func(azcli client.AzureClientSet) DiskAttacher {
return &fakeDiskAttacher{
attachError: tt.fields.attachError,
waitForDeviceError: tt.fields.waitForDeviceError,
}
}
dm := compute.NewDisksClient("subscriptionId")
dm.Sender = autorest.SenderFunc(func(r *http.Request) (*http.Response, error) {
return &http.Response{
Request: r,
Body: ioutil.NopCloser(strings.NewReader(tt.fields.GetDiskResponseBody)),
StatusCode: tt.fields.GetDiskResponseCode,
}, nil
})
errorBuffer := &strings.Builder{}
ui := &packer.BasicUi{
Reader: strings.NewReader(""),
Writer: ioutil.Discard,
ErrorWriter: errorBuffer,
}
state := new(multistep.BasicStateBag)
state.Put("azureclient", &client.AzureClientSetMock{})
state.Put("ui", ui)
state.Put(stateBagKey_Diskset, diskset("/subscriptions/12345/resourceGroups/group1/providers/Microsoft.Compute/disks/disk1"))
got := s.Run(context.TODO(), state)
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("StepAttachDisk.Run() = %v, want %v", got, tt.want)
}
if got == multistep.ActionHalt {
if _, ok := state.GetOk("error"); !ok {
t.Fatal("Expected 'error' to be set in statebag after failure")
}
}
})
}
}
type fakeDiskAttacher struct {
attachError error
waitForDeviceError error
}
var _ DiskAttacher = &fakeDiskAttacher{}
func (da *fakeDiskAttacher) AttachDisk(ctx context.Context, disk string) (lun int32, err error) {
if da.attachError != nil {
return 0, da.attachError
}
return 3, nil
}
func (da *fakeDiskAttacher) DiskPathForLun(lun int32) string {
panic("not implemented")
}
func (da *fakeDiskAttacher) WaitForDevice(ctx context.Context, lun int32) (device string, err error) {
if da.waitForDeviceError != nil {
return "", da.waitForDeviceError
}
if lun == 3 {
return "/dev/sdq", nil
}
panic("expected lun==3")
}
func (da *fakeDiskAttacher) DetachDisk(ctx context.Context, disk string) (err error) {
panic("not implemented")
}
func (da *fakeDiskAttacher) WaitForDetach(ctx context.Context, diskID string) error {
panic("not implemented")
}