mirror of
https://gitee.com/milvus-io/milvus.git
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120 lines
3.8 KiB
Go
120 lines
3.8 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package rootcoord
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func newTestUndoTask() *baseUndoTask {
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stepExecutor := newMockStepExecutor()
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stepExecutor.AddStepsFunc = func(s *stepStack) {
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// no schedule, execute directly.
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s.Execute(context.Background())
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}
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undoTask := newBaseUndoTask(stepExecutor)
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return undoTask
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}
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func Test_baseUndoTask_Execute(t *testing.T) {
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t.Run("should not happen", func(t *testing.T) {
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undoTask := newTestUndoTask()
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undoTask.todoStep = append(undoTask.todoStep, newMockNormalStep())
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err := undoTask.Execute(context.Background())
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assert.Error(t, err)
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})
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t.Run("normal case, no undo step will be called", func(t *testing.T) {
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undoTask := newTestUndoTask()
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n := 10
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todoSteps, undoSteps := make([]nestedStep, 0, n), make([]nestedStep, 0, n)
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for i := 0; i < n; i++ {
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normalTodoStep := newMockNormalStep()
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normalUndoStep := newMockNormalStep()
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todoSteps = append(todoSteps, normalTodoStep)
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undoSteps = append(undoSteps, normalUndoStep)
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}
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for i := 0; i < n; i++ {
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undoTask.AddStep(todoSteps[i], undoSteps[i])
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}
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err := undoTask.Execute(context.Background())
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assert.NoError(t, err)
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// make sure no undo steps will be called.
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for _, step := range undoSteps {
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assert.False(t, step.(*mockNormalStep).called)
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}
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})
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t.Run("partial error, undo from last finished", func(t *testing.T) {
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undoTask := newTestUndoTask()
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todoSteps := []nestedStep{
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newMockNormalStep(),
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newMockFailStep(),
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newMockNormalStep(),
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}
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undoSteps := []nestedStep{
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newMockNormalStep(),
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newMockNormalStep(),
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newMockNormalStep(),
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}
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l := len(todoSteps)
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for i := 0; i < l; i++ {
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undoTask.AddStep(todoSteps[i], undoSteps[i])
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}
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err := undoTask.Execute(context.Background())
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assert.Error(t, err)
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assert.True(t, todoSteps[0].(*mockNormalStep).called)
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assert.True(t, todoSteps[1].(*mockFailStep).called)
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assert.False(t, todoSteps[2].(*mockNormalStep).called)
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<-undoSteps[0].(*mockNormalStep).calledChan
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assert.True(t, undoSteps[0].(*mockNormalStep).called)
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assert.False(t, undoSteps[1].(*mockNormalStep).called)
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assert.False(t, undoSteps[2].(*mockNormalStep).called)
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})
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t.Run("partial error, undo meet error also", func(t *testing.T) {
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undoTask := newTestUndoTask()
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todoSteps := []nestedStep{
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newMockNormalStep(),
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newMockNormalStep(),
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newMockFailStep(),
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}
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undoSteps := []nestedStep{
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newMockNormalStep(),
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newMockFailStep(),
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newMockNormalStep(),
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}
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l := len(todoSteps)
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for i := 0; i < l; i++ {
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undoTask.AddStep(todoSteps[i], undoSteps[i])
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}
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err := undoTask.Execute(context.Background())
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assert.Error(t, err)
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assert.True(t, todoSteps[0].(*mockNormalStep).called)
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assert.True(t, todoSteps[1].(*mockNormalStep).called)
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assert.True(t, todoSteps[2].(*mockFailStep).called)
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assert.False(t, undoSteps[0].(*mockNormalStep).called)
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<-undoSteps[1].(*mockFailStep).calledChan
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assert.True(t, undoSteps[1].(*mockFailStep).called)
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assert.False(t, undoSteps[2].(*mockNormalStep).called)
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})
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}
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