248 lines
7.4 KiB
Go
248 lines
7.4 KiB
Go
/*
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Copyright 2018 the Velero contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package clientmgmt
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import (
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"testing"
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"github.com/Azure/go-autorest/autorest/to"
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"github.com/pkg/errors"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"github.com/heptio/velero/pkg/cloudprovider/mocks"
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"github.com/heptio/velero/pkg/plugin/framework"
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)
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func TestRestartableGetVolumeSnapshotter(t *testing.T) {
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tests := []struct {
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name string
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plugin interface{}
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getError error
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expectedError string
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}{
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{
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name: "error getting by kind and name",
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getError: errors.Errorf("get error"),
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expectedError: "get error",
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},
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{
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name: "wrong type",
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plugin: 3,
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expectedError: "int is not a VolumeSnapshotter!",
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},
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{
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name: "happy path",
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plugin: new(mocks.VolumeSnapshotter),
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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p := new(mockRestartableProcess)
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p.Test(t)
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defer p.AssertExpectations(t)
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name := "aws"
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key := kindAndName{kind: framework.PluginKindVolumeSnapshotter, name: name}
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p.On("getByKindAndName", key).Return(tc.plugin, tc.getError)
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r := &restartableVolumeSnapshotter{
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key: key,
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sharedPluginProcess: p,
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}
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a, err := r.getVolumeSnapshotter()
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if tc.expectedError != "" {
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assert.EqualError(t, err, tc.expectedError)
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return
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}
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require.NoError(t, err)
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assert.Equal(t, tc.plugin, a)
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})
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}
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}
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func TestRestartableVolumeSnapshotterReinitialize(t *testing.T) {
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p := new(mockRestartableProcess)
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p.Test(t)
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defer p.AssertExpectations(t)
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name := "aws"
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key := kindAndName{kind: framework.PluginKindVolumeSnapshotter, name: name}
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r := &restartableVolumeSnapshotter{
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key: key,
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sharedPluginProcess: p,
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config: map[string]string{
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"color": "blue",
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},
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}
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err := r.reinitialize(3)
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assert.EqualError(t, err, "int is not a VolumeSnapshotter!")
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volumeSnapshotter := new(mocks.VolumeSnapshotter)
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volumeSnapshotter.Test(t)
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defer volumeSnapshotter.AssertExpectations(t)
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volumeSnapshotter.On("Init", r.config).Return(errors.Errorf("init error")).Once()
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err = r.reinitialize(volumeSnapshotter)
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assert.EqualError(t, err, "init error")
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volumeSnapshotter.On("Init", r.config).Return(nil)
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err = r.reinitialize(volumeSnapshotter)
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assert.NoError(t, err)
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}
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func TestRestartableVolumeSnapshotterGetDelegate(t *testing.T) {
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p := new(mockRestartableProcess)
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p.Test(t)
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defer p.AssertExpectations(t)
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// Reset error
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p.On("resetIfNeeded").Return(errors.Errorf("reset error")).Once()
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name := "aws"
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key := kindAndName{kind: framework.PluginKindVolumeSnapshotter, name: name}
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r := &restartableVolumeSnapshotter{
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key: key,
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sharedPluginProcess: p,
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}
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a, err := r.getDelegate()
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assert.Nil(t, a)
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assert.EqualError(t, err, "reset error")
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// Happy path
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p.On("resetIfNeeded").Return(nil)
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volumeSnapshotter := new(mocks.VolumeSnapshotter)
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volumeSnapshotter.Test(t)
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defer volumeSnapshotter.AssertExpectations(t)
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p.On("getByKindAndName", key).Return(volumeSnapshotter, nil)
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a, err = r.getDelegate()
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assert.NoError(t, err)
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assert.Equal(t, volumeSnapshotter, a)
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}
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func TestRestartableVolumeSnapshotterInit(t *testing.T) {
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p := new(mockRestartableProcess)
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p.Test(t)
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defer p.AssertExpectations(t)
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// getVolumeSnapshottererror
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name := "aws"
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key := kindAndName{kind: framework.PluginKindVolumeSnapshotter, name: name}
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r := &restartableVolumeSnapshotter{
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key: key,
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sharedPluginProcess: p,
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}
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p.On("getByKindAndName", key).Return(nil, errors.Errorf("getByKindAndName error")).Once()
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config := map[string]string{
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"color": "blue",
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}
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err := r.Init(config)
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assert.EqualError(t, err, "getByKindAndName error")
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// Delegate returns error
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volumeSnapshotter := new(mocks.VolumeSnapshotter)
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volumeSnapshotter.Test(t)
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defer volumeSnapshotter.AssertExpectations(t)
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p.On("getByKindAndName", key).Return(volumeSnapshotter, nil)
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volumeSnapshotter.On("Init", config).Return(errors.Errorf("Init error")).Once()
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err = r.Init(config)
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assert.EqualError(t, err, "Init error")
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// wipe this out because the previous failed Init call set it
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r.config = nil
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// Happy path
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volumeSnapshotter.On("Init", config).Return(nil)
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err = r.Init(config)
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assert.NoError(t, err)
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assert.Equal(t, config, r.config)
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// Calling Init twice is forbidden
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err = r.Init(config)
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assert.EqualError(t, err, "already initialized")
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}
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func TestRestartableVolumeSnapshotterDelegatedFunctions(t *testing.T) {
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pv := &unstructured.Unstructured{
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Object: map[string]interface{}{
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"color": "blue",
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},
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}
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pvToReturn := &unstructured.Unstructured{
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Object: map[string]interface{}{
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"color": "green",
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},
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}
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runRestartableDelegateTests(
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t,
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framework.PluginKindVolumeSnapshotter,
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func(key kindAndName, p RestartableProcess) interface{} {
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return &restartableVolumeSnapshotter{
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key: key,
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sharedPluginProcess: p,
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}
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},
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func() mockable {
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return new(mocks.VolumeSnapshotter)
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},
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restartableDelegateTest{
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function: "CreateVolumeFromSnapshot",
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inputs: []interface{}{"snapshotID", "volumeID", "volumeAZ", to.Int64Ptr(10000)},
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expectedErrorOutputs: []interface{}{"", errors.Errorf("reset error")},
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expectedDelegateOutputs: []interface{}{"volumeID", errors.Errorf("delegate error")},
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},
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restartableDelegateTest{
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function: "GetVolumeID",
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inputs: []interface{}{pv},
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expectedErrorOutputs: []interface{}{"", errors.Errorf("reset error")},
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expectedDelegateOutputs: []interface{}{"volumeID", errors.Errorf("delegate error")},
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},
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restartableDelegateTest{
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function: "SetVolumeID",
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inputs: []interface{}{pv, "volumeID"},
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expectedErrorOutputs: []interface{}{nil, errors.Errorf("reset error")},
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expectedDelegateOutputs: []interface{}{pvToReturn, errors.Errorf("delegate error")},
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},
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restartableDelegateTest{
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function: "GetVolumeInfo",
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inputs: []interface{}{"volumeID", "volumeAZ"},
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expectedErrorOutputs: []interface{}{"", (*int64)(nil), errors.Errorf("reset error")},
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expectedDelegateOutputs: []interface{}{"volumeType", to.Int64Ptr(10000), errors.Errorf("delegate error")},
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},
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restartableDelegateTest{
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function: "CreateSnapshot",
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inputs: []interface{}{"volumeID", "volumeAZ", map[string]string{"a": "b"}},
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expectedErrorOutputs: []interface{}{"", errors.Errorf("reset error")},
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expectedDelegateOutputs: []interface{}{"snapshotID", errors.Errorf("delegate error")},
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},
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restartableDelegateTest{
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function: "DeleteSnapshot",
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inputs: []interface{}{"snapshotID"},
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expectedErrorOutputs: []interface{}{errors.Errorf("reset error")},
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expectedDelegateOutputs: []interface{}{errors.Errorf("delegate error")},
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},
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)
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}
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