velero/pkg/cmd/cli/datamover/data_mover_test.go

132 lines
3.0 KiB
Go

/*
Copyright The Velero Contributors.
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 datamover
import (
"errors"
"fmt"
"io"
"os"
"path/filepath"
"testing"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
velerotest "github.com/vmware-tanzu/velero/pkg/test"
)
type exitWithMessageMock struct {
createErr error
writeFail bool
filePath string
exitCode int
}
func (em *exitWithMessageMock) Exit(code int) {
em.exitCode = code
}
func (em *exitWithMessageMock) CreateFile(name string) (*os.File, error) {
if em.createErr != nil {
return nil, em.createErr
}
if em.writeFail {
return os.OpenFile(em.filePath, os.O_CREATE|os.O_RDONLY, 0500)
} else {
return os.Create(em.filePath)
}
}
func TestExitWithMessage(t *testing.T) {
tests := []struct {
name string
message string
succeed bool
args []any
createErr error
writeFail bool
expectedExitCode int
expectedMessage string
}{
{
name: "create pod file failed",
createErr: errors.New("fake-create-file-error"),
succeed: true,
expectedExitCode: 1,
},
{
name: "write pod file failed",
writeFail: true,
succeed: true,
expectedExitCode: 1,
},
{
name: "not succeed",
message: "fake-message-1, arg-1 %s, arg-2 %v, arg-3 %v",
args: []any{
"arg-1-1",
10,
false,
},
expectedExitCode: 1,
expectedMessage: fmt.Sprintf("fake-message-1, arg-1 %s, arg-2 %v, arg-3 %v", "arg-1-1", 10, false),
},
{
name: "not succeed",
message: "fake-message-2, arg-1 %s, arg-2 %v, arg-3 %v",
args: []any{
"arg-1-2",
20,
true,
},
succeed: true,
expectedMessage: fmt.Sprintf("fake-message-2, arg-1 %s, arg-2 %v, arg-3 %v", "arg-1-2", 20, true),
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
podFile := filepath.Join(os.TempDir(), uuid.NewString())
em := exitWithMessageMock{
createErr: test.createErr,
writeFail: test.writeFail,
filePath: podFile,
}
funcExit = em.Exit
funcCreateFile = em.CreateFile
exitWithMessage(velerotest.NewLogger(), test.succeed, test.message, test.args...)
assert.Equal(t, test.expectedExitCode, em.exitCode)
if test.createErr == nil && !test.writeFail {
reader, err := os.Open(podFile)
require.NoError(t, err)
message, err := io.ReadAll(reader)
require.NoError(t, err)
reader.Close()
assert.Equal(t, test.expectedMessage, string(message))
}
})
}
}