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|
package qemu
import (
"context"
"fmt"
"testing"
"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
"github.com/stretchr/testify/assert"
)
func Test_buildCreateCommand(t *testing.T) {
type testCase struct {
Step *stepCreateDisk
I int
Expected []string
Reason string
}
testcases := []testCase{
{
&stepCreateDisk{
Format: "qcow2",
UseBackingFile: false,
},
0,
[]string{"create", "-f", "qcow2", "target.qcow2", "1234M"},
"Basic, happy path, no backing store, no extra args",
},
{
&stepCreateDisk{
Format: "qcow2",
DiskImage: true,
UseBackingFile: true,
AdditionalDiskSize: []string{"1M", "2M"},
},
0,
[]string{"create", "-f", "qcow2", "-b", "source.qcow2", "target.qcow2", "1234M"},
"Basic, happy path, backing store, additional disks",
},
{
&stepCreateDisk{
Format: "qcow2",
UseBackingFile: true,
DiskImage: true,
},
1,
[]string{"create", "-f", "qcow2", "target.qcow2", "1234M"},
"Basic, happy path, backing store set but not at first index, no extra args",
},
{
&stepCreateDisk{
Format: "qcow2",
UseBackingFile: true,
DiskImage: true,
QemuImgArgs: QemuImgArgs{
Create: []string{"-foo", "bar"},
},
},
0,
[]string{"create", "-f", "qcow2", "-b", "source.qcow2", "-foo", "bar", "target.qcow2", "1234M"},
"Basic, happy path, backing store set, extra args",
},
{
&stepCreateDisk{
Format: "qcow2",
UseBackingFile: true,
QemuImgArgs: QemuImgArgs{
Create: []string{"-foo", "bar"},
},
},
1,
[]string{"create", "-f", "qcow2", "-foo", "bar", "target.qcow2", "1234M"},
"Basic, happy path, backing store set but not at first index, extra args",
},
}
for _, tc := range testcases {
state := new(multistep.BasicStateBag)
state.Put("iso_path", "source.qcow2")
command := tc.Step.buildCreateCommand("target.qcow2", "1234M", tc.I, state)
assert.Equal(t, command, tc.Expected,
fmt.Sprintf("%s. Expected %#v", tc.Reason, tc.Expected))
}
}
func Test_StepCreateCalled(t *testing.T) {
type testCase struct {
Step *stepCreateDisk
Expected []string
Reason string
}
testcases := []testCase{
{
&stepCreateDisk{
Format: "qcow2",
DiskImage: true,
DiskSize: "1M",
VMName: "target",
UseBackingFile: true,
},
[]string{
"create", "-f", "qcow2", "-b", "source.qcow2", "target", "1M",
},
"Basic, happy path, backing store, no additional disks",
},
{
&stepCreateDisk{
Format: "raw",
DiskImage: false,
DiskSize: "4M",
VMName: "target",
UseBackingFile: false,
},
[]string{
"create", "-f", "raw", "target", "4M",
},
"Basic, happy path, raw, no additional disks",
},
{
&stepCreateDisk{
Format: "qcow2",
DiskImage: true,
DiskSize: "4M",
VMName: "target",
UseBackingFile: false,
AdditionalDiskSize: []string{"3M", "8M"},
},
[]string{
"create", "-f", "qcow2", "target-1", "3M",
"create", "-f", "qcow2", "target-2", "8M",
},
"Skips disk creation when disk can be copied",
},
{
&stepCreateDisk{
Format: "qcow2",
DiskImage: true,
DiskSize: "4M",
VMName: "target",
UseBackingFile: false,
},
nil,
"Skips disk creation when disk can be copied",
},
{
&stepCreateDisk{
Format: "qcow2",
DiskImage: true,
DiskSize: "1M",
VMName: "target",
UseBackingFile: true,
AdditionalDiskSize: []string{"3M", "8M"},
},
[]string{
"create", "-f", "qcow2", "-b", "source.qcow2", "target", "1M",
"create", "-f", "qcow2", "target-1", "3M",
"create", "-f", "qcow2", "target-2", "8M",
},
"Basic, happy path, backing store, additional disks",
},
}
for _, tc := range testcases {
d := new(DriverMock)
state := copyTestState(t, d)
state.Put("iso_path", "source.qcow2")
action := tc.Step.Run(context.TODO(), state)
if action != multistep.ActionContinue {
t.Fatalf("Should have gotten an ActionContinue")
}
assert.Equal(t, d.QemuImgCalls, tc.Expected,
fmt.Sprintf("%s. Expected %#v", tc.Reason, tc.Expected))
}
}
|
