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// Copyright 2016 The go-qemu Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package qemu
import (
"errors"
"io"
"testing"
"github.com/digitalocean/go-qemu/qmp"
)
func TestCancelJob(t *testing.T) {
const device = "drive-virtio-disk0"
d, done := testDomain(t, func(cmd qmp.Command) (interface{}, error) {
if want, got := "block-job-cancel", cmd.Execute; want != got {
t.Fatalf("unexpected QMP command:\n- want: %q\n- got: %q",
want, got)
}
args, _ := cmd.Args.(map[string]interface{})
if want, got := device, args["device"]; want != got {
t.Fatalf("unexpected device:\n- want: %q\n- got: %q",
want, got)
}
return success{}, nil
})
defer done()
job := BlockJob{Device: device}
err := job.Cancel(d, defaultTestTimeout)
if err != nil {
t.Error(err)
}
}
func TestCommit(t *testing.T) {
const (
device = "inserted[node-name] before commit"
overlay = "/tmp/foo.img"
jobID = "made-up-job-id-for-the-commit"
)
d, done := testDomain(t, func(cmd qmp.Command) (interface{}, error) {
if want, got := "block-commit", cmd.Execute; want != got {
t.Fatalf("unexpected QMP command:\n- want: %q\n- got: %q",
want, got)
}
args, _ := cmd.Args.(map[string]interface{})
if want, got := device, args["device"]; want != got {
t.Fatalf("unexpected device:\n- want: %q\n- got: %q",
want, got)
}
if want, got := overlay, args["top"]; want != got {
t.Fatalf("unexpected device:\n- want: %q\n- got: %q",
want, got)
}
if want, got := jobID, args["job-id"]; want != got {
t.Fatalf("unexpected job-id:\n- want: %q\n- got: %q",
want, got)
}
return success{}, nil
})
defer done()
disk := BlockDevice{}
disk.Inserted.NodeName = device
err := disk.Commit(d, overlay, jobID, defaultTestTimeout)
if err != nil {
t.Error(err)
}
}
func TestCommitActiveBlockJob(t *testing.T) {
d, done := testDomain(t, func(_ qmp.Command) (interface{}, error) {
return failure{
Error: map[string]string{
"class": "GenericError",
},
}, errors.New("fail")
})
defer done()
disk := BlockDevice{}
err := disk.Commit(d, "/tmp/foo", "job-id", defaultTestTimeout)
if err == nil {
t.Errorf("expected blockcommit with active blockjob to fail")
}
}
func TestCommitBlockJobError(t *testing.T) {
d, done := testDomain(t, func(_ qmp.Command) (interface{}, error) {
return success{}, nil
}, withEventErrors)
defer done()
disk := BlockDevice{}
err := disk.Commit(d, "/tmp/foo", "job-id", defaultTestTimeout)
if err == nil {
t.Error("expected block job error to cause failure")
} else if errors.Is(err, io.EOF) {
t.Error("didn't expect the event stream to close")
}
}
func TestCommitTimeout(t *testing.T) {
d, done := testDomain(t, func(_ qmp.Command) (interface{}, error) {
return success{}, nil
}, withEventTimeout)
defer done()
disk := BlockDevice{Device: "test"}
err := disk.Commit(d, "/tmp/foo", "job-id", 0)
if err == nil {
t.Error("expected timeout")
}
}
func TestJobComplete(t *testing.T) {
const device = "drive-virtio-disk0"
d, done := testDomain(t, func(cmd qmp.Command) (interface{}, error) {
if want, got := "block-job-complete", cmd.Execute; want != got {
t.Fatalf("unexpected QMP command:\n- want: %q\n- got: %q",
want, got)
}
args, _ := cmd.Args.(map[string]interface{})
if want, got := device, args["device"]; want != got {
t.Fatalf("unexpected device:\n- want: %q\n- got: %q",
want, got)
}
return success{}, nil
})
defer done()
job := BlockJob{Device: device}
err := job.Complete(d, defaultTestTimeout)
if err != nil {
t.Error(err)
}
}
func TestJobCompleteEventError(t *testing.T) {
d, done := testDomain(t, func(_ qmp.Command) (interface{}, error) {
return success{}, nil
}, withEventErrors)
defer done()
job := BlockJob{Device: "test"}
err := job.Complete(d, defaultTestTimeout)
if err == nil {
t.Error("expected block job error to cause failure")
}
}
func TestJobCompleteTimeout(t *testing.T) {
d, done := testDomain(t, func(_ qmp.Command) (interface{}, error) {
return success{}, nil
}, withEventTimeout)
defer done()
job := BlockJob{Device: "test"}
err := job.Complete(d, 0)
if err == nil {
t.Error("expected timeout")
}
}
func TestMirror(t *testing.T) {
const (
device = "drive-virtio-disk0"
dest = "/tmp/foo.img"
)
d, done := testDomain(t, func(cmd qmp.Command) (interface{}, error) {
if want, got := "drive-mirror", cmd.Execute; want != got {
t.Fatalf("unexpected QMP command:\n- want: %q\n- got: %q",
want, got)
}
args, _ := cmd.Args.(map[string]interface{})
if want, got := device, args["device"]; want != got {
t.Fatalf("unexpected device:\n- want: %q\n- got: %q",
want, got)
}
if want, got := dest, args["target"]; want != got {
t.Fatalf("unexpected target:\n- want: %q\n- got: %q",
want, got)
}
return success{}, nil
})
defer done()
disk := BlockDevice{Device: device}
err := disk.Mirror(d, dest, defaultTestTimeout)
if err != nil {
t.Error(err)
}
}
func TestMirrorRelativePath(t *testing.T) {
const (
device = "drive-virtio-disk0"
dest = "relative-path.img"
)
d, done := testDomain(t, func(_ qmp.Command) (interface{}, error) {
return success{}, nil
})
defer done()
disk := BlockDevice{Device: device}
err := disk.Mirror(d, dest, defaultTestTimeout)
if err == nil {
t.Errorf("expected relative path %q to fail", dest)
}
}
func TestSnapshot(t *testing.T) {
const (
device = "drive-virtio-disk0"
overlay = "/tmp/foo.img"
nodeName = "my-node"
)
d, done := testDomain(t, func(cmd qmp.Command) (interface{}, error) {
if want, got := "blockdev-snapshot-sync", cmd.Execute; want != got {
t.Fatalf("unexpected QMP command:\n- want: %q\n- got: %q",
want, got)
}
args, _ := cmd.Args.(map[string]interface{})
if want, got := device, args["node-name"]; want != got {
t.Fatalf("unexpected device:\n- want: %q\n- got: %q",
want, got)
}
if want, got := overlay, args["snapshot-file"]; want != got {
t.Fatalf("unexpected target:\n- want: %q\n- got: %q",
want, got)
}
if want, got := nodeName, args["snapshot-node-name"]; want != got {
t.Fatalf("unexpected target:\n- want: %q\n- got: %q",
want, got)
}
return success{}, nil
})
defer done()
disk := BlockDevice{}
disk.Inserted.NodeName = device
err := disk.Snapshot(d, overlay, "my-node")
if err != nil {
t.Error(err)
}
}
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