packer-cn/builder/qemu/step_copy_disk_test.go

123 lines
2.8 KiB
Go

package qemu
import (
"context"
"testing"
"github.com/hashicorp/packer-plugin-sdk/multistep"
packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
"github.com/stretchr/testify/assert"
)
func copyTestState(t *testing.T, d *DriverMock) multistep.StateBag {
state := new(multistep.BasicStateBag)
state.Put("ui", packersdk.TestUi(t))
state.Put("driver", d)
state.Put("iso_path", "example_source.qcow2")
return state
}
func Test_StepCopySkip(t *testing.T) {
testcases := []stepCopyDisk{
stepCopyDisk{
DiskImage: false,
UseBackingFile: false,
},
stepCopyDisk{
DiskImage: true,
UseBackingFile: true,
},
stepCopyDisk{
DiskImage: false,
UseBackingFile: true,
},
}
for _, tc := range testcases {
d := new(DriverMock)
state := copyTestState(t, d)
action := tc.Run(context.TODO(), state)
if action != multistep.ActionContinue {
t.Fatalf("Should have gotten an ActionContinue")
}
if d.CopyCalled || d.QemuImgCalled {
t.Fatalf("Should have skipped step since DiskImage and UseBackingFile are not set")
}
}
}
func Test_StepCopyCalled(t *testing.T) {
step := stepCopyDisk{
DiskImage: true,
Format: "qcow2",
VMName: "output.qcow2",
}
d := new(DriverMock)
state := copyTestState(t, d)
action := step.Run(context.TODO(), state)
if action != multistep.ActionContinue {
t.Fatalf("Should have gotten an ActionContinue")
}
if !d.CopyCalled {
t.Fatalf("Should have copied since all extensions are qcow2")
}
if d.QemuImgCalled {
t.Fatalf("Should not have called qemu-img when formats match")
}
}
func Test_StepQemuImgCalled(t *testing.T) {
step := stepCopyDisk{
DiskImage: true,
Format: "raw",
VMName: "output.qcow2",
}
d := new(DriverMock)
state := copyTestState(t, d)
action := step.Run(context.TODO(), state)
if action != multistep.ActionContinue {
t.Fatalf("Should have gotten an ActionContinue")
}
if d.CopyCalled {
t.Fatalf("Should not have copied since extensions don't match")
}
if !d.QemuImgCalled {
t.Fatalf("Should have called qemu-img since extensions don't match")
}
}
func Test_StepQemuImgCalledWithExtraArgs(t *testing.T) {
step := &stepCopyDisk{
DiskImage: true,
Format: "raw",
VMName: "output.qcow2",
QemuImgArgs: QemuImgArgs{
Convert: []string{"-o", "preallocation=full"},
},
}
d := new(DriverMock)
state := copyTestState(t, d)
action := step.Run(context.TODO(), state)
if action != multistep.ActionContinue {
t.Fatalf("Should have gotten an ActionContinue")
}
if d.CopyCalled {
t.Fatalf("Should not have copied since extensions don't match")
}
if !d.QemuImgCalled {
t.Fatalf("Should have called qemu-img since extensions don't match")
}
assert.Equal(
t,
d.QemuImgCalls,
[]string{"convert", "-o", "preallocation=full", "-O", "raw",
"example_source.qcow2", "output.qcow2"},
"should have added user extra args")
}