223 lines
8.5 KiB
Go
223 lines
8.5 KiB
Go
package task_state_machine
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/* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* Original Code Copyright (C) 2022 Blender Foundation.
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*
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* This file is part of Flamenco.
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*
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* Flamenco is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* Flamenco is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* Flamenco. If not, see <https://www.gnu.org/licenses/>.
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*
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* ***** END GPL LICENSE BLOCK ***** */
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import (
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"context"
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"fmt"
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"testing"
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"github.com/golang/mock/gomock"
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"github.com/stretchr/testify/assert"
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"gorm.io/gorm"
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"gitlab.com/blender/flamenco-ng-poc/internal/manager/persistence"
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"gitlab.com/blender/flamenco-ng-poc/internal/manager/task_state_machine/mocks"
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"gitlab.com/blender/flamenco-ng-poc/pkg/api"
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)
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type StateMachineMocks struct {
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persist *mocks.MockPersistenceService
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}
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func mockedTaskStateMachine(mockCtrl *gomock.Controller) (*StateMachine, *StateMachineMocks) {
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mocks := StateMachineMocks{
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persist: mocks.NewMockPersistenceService(mockCtrl),
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}
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sm := NewStateMachine(mocks.persist)
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return sm, &mocks
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}
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func (m *StateMachineMocks) expectSaveTaskWithStatus(
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t *testing.T,
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task *persistence.Task,
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expectTaskStatus api.TaskStatus,
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) {
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m.persist.EXPECT().
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SaveTask(gomock.Any(), task).
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DoAndReturn(func(ctx context.Context, savedTask *persistence.Task) error {
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assert.Equal(t, expectTaskStatus, savedTask.Status)
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return nil
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})
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}
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func (m *StateMachineMocks) expectSaveJobWithStatus(
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t *testing.T,
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job *persistence.Job,
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expectJobStatus api.JobStatus,
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) {
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m.persist.EXPECT().
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SaveJobStatus(gomock.Any(), job).
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DoAndReturn(func(ctx context.Context, savedJob *persistence.Job) error {
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assert.Equal(t, expectJobStatus, savedJob.Status)
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return nil
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})
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}
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/* taskWithStatus() creates a task of a certain status, with a job of a certain status. */
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func taskWithStatus(jobStatus api.JobStatus, taskStatus api.TaskStatus) *persistence.Task {
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job := persistence.Job{
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Model: gorm.Model{ID: 47},
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UUID: "test-job-f3f5-4cef-9cd7-e67eb28eaf3e",
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Status: jobStatus,
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}
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task := persistence.Task{
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Model: gorm.Model{ID: 327},
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UUID: "testtask-0001-4e28-aeea-8cbaf2fc96a5",
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JobID: job.ID,
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Job: &job,
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Status: taskStatus,
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}
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return &task
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}
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/* taskOfSameJob() creates a task of a certain status, on the same job as the given task. */
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func taskOfSameJob(task *persistence.Task, taskStatus api.TaskStatus) *persistence.Task {
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newTaskID := task.ID + 1
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return &persistence.Task{
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Model: gorm.Model{ID: newTaskID},
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UUID: fmt.Sprintf("testtask-%04d-4e28-aeea-8cbaf2fc96a5", newTaskID),
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JobID: task.JobID,
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Job: task.Job,
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Status: taskStatus,
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}
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}
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func taskStateMachineTestFixtures(t *testing.T) (*gomock.Controller, context.Context, *StateMachine, *StateMachineMocks) {
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mockCtrl := gomock.NewController(t)
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ctx := context.Background()
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sm, mocks := mockedTaskStateMachine(mockCtrl)
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return mockCtrl, ctx, sm, mocks
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}
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// In the comments below, "T" indicates the performed task status change, and
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// "J" the expected resulting job status change.
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func TestTaskStatusChangeQueuedToActive(t *testing.T) {
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mockCtrl, ctx, sm, mocks := taskStateMachineTestFixtures(t)
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defer mockCtrl.Finish()
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// T: queued > active --> J: queued > active
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task := taskWithStatus(api.JobStatusQueued, api.TaskStatusQueued)
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mocks.expectSaveTaskWithStatus(t, task, api.TaskStatusActive)
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mocks.expectSaveJobWithStatus(t, task.Job, api.JobStatusActive)
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assert.NoError(t, sm.TaskStatusChange(ctx, task, api.TaskStatusActive))
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}
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func TestTaskStatusChangeActiveToCompleted(t *testing.T) {
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mockCtrl, ctx, sm, mocks := taskStateMachineTestFixtures(t)
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defer mockCtrl.Finish()
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// Job has three tasks.
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task := taskWithStatus(api.JobStatusActive, api.TaskStatusActive)
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task2 := taskOfSameJob(task, api.TaskStatusActive)
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task3 := taskOfSameJob(task, api.TaskStatusActive)
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// First task completing: T: active > completed --> J: active > active
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mocks.expectSaveTaskWithStatus(t, task, api.TaskStatusCompleted)
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mocks.persist.EXPECT().CountTasksOfJobInStatus(ctx, task.Job, api.TaskStatusCompleted).Return(1, 3, nil) // 1 of 3 complete.
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assert.NoError(t, sm.TaskStatusChange(ctx, task, api.TaskStatusCompleted))
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// Second task hickup: T: active > soft-failed --> J: active > active
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mocks.expectSaveTaskWithStatus(t, task2, api.TaskStatusSoftFailed)
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assert.NoError(t, sm.TaskStatusChange(ctx, task2, api.TaskStatusSoftFailed))
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// Second task completing: T: soft-failed > completed --> J: active > active
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mocks.expectSaveTaskWithStatus(t, task2, api.TaskStatusCompleted)
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mocks.persist.EXPECT().CountTasksOfJobInStatus(ctx, task.Job, api.TaskStatusCompleted).Return(2, 3, nil) // 2 of 3 complete.
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assert.NoError(t, sm.TaskStatusChange(ctx, task2, api.TaskStatusCompleted))
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// Third task completing: T: active > completed --> J: active > completed
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mocks.expectSaveTaskWithStatus(t, task3, api.TaskStatusCompleted)
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mocks.persist.EXPECT().CountTasksOfJobInStatus(ctx, task.Job, api.TaskStatusCompleted).Return(3, 3, nil) // 3 of 3 complete.
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mocks.expectSaveJobWithStatus(t, task.Job, api.JobStatusCompleted)
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assert.NoError(t, sm.TaskStatusChange(ctx, task3, api.TaskStatusCompleted))
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}
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func TestTaskStatusChangeQueuedToFailed(t *testing.T) {
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mockCtrl, ctx, sm, mocks := taskStateMachineTestFixtures(t)
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defer mockCtrl.Finish()
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// T: queued > failed (1% task failure) --> J: queued > active
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task := taskWithStatus(api.JobStatusQueued, api.TaskStatusQueued)
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mocks.expectSaveTaskWithStatus(t, task, api.TaskStatusFailed)
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mocks.expectSaveJobWithStatus(t, task.Job, api.JobStatusActive)
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mocks.persist.EXPECT().CountTasksOfJobInStatus(ctx, task.Job, api.TaskStatusFailed).Return(1, 100, nil) // 1 out of 100 failed.
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assert.NoError(t, sm.TaskStatusChange(ctx, task, api.TaskStatusFailed))
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}
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func TestTaskStatusChangeActiveToFailedFailJob(t *testing.T) {
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mockCtrl, ctx, sm, mocks := taskStateMachineTestFixtures(t)
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defer mockCtrl.Finish()
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// T: active > failed (10% task failure) --> J: active > failed
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task := taskWithStatus(api.JobStatusActive, api.TaskStatusActive)
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mocks.expectSaveTaskWithStatus(t, task, api.TaskStatusFailed)
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mocks.expectSaveJobWithStatus(t, task.Job, api.JobStatusFailed)
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mocks.persist.EXPECT().CountTasksOfJobInStatus(ctx, task.Job, api.TaskStatusFailed).Return(10, 100, nil) // 10 out of 100 failed.
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assert.NoError(t, sm.TaskStatusChange(ctx, task, api.TaskStatusFailed))
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}
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func TestTaskStatusChangeRequeueOnCompletedJob(t *testing.T) {
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mockCtrl, ctx, sm, mocks := taskStateMachineTestFixtures(t)
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defer mockCtrl.Finish()
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// T: completed > queued --> J: completed > queued
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task := taskWithStatus(api.JobStatusCompleted, api.TaskStatusCompleted)
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mocks.expectSaveTaskWithStatus(t, task, api.TaskStatusQueued)
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mocks.expectSaveJobWithStatus(t, task.Job, api.JobStatusQueued)
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assert.NoError(t, sm.TaskStatusChange(ctx, task, api.TaskStatusQueued))
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}
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func TestTaskStatusChangeCancelSingleTask(t *testing.T) {
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mockCtrl, ctx, sm, mocks := taskStateMachineTestFixtures(t)
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defer mockCtrl.Finish()
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task := taskWithStatus(api.JobStatusCancelRequested, api.TaskStatusCancelRequested)
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task2 := taskOfSameJob(task, api.TaskStatusCancelRequested)
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job := task.Job
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// T1: cancel-requested > cancelled --> J: cancel-requested > cancel-requested
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mocks.expectSaveTaskWithStatus(t, task, api.TaskStatusCanceled)
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mocks.persist.EXPECT().JobHasTasksInStatus(ctx, job, api.TaskStatusCancelRequested).Return(true, nil)
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assert.NoError(t, sm.TaskStatusChange(ctx, task, api.TaskStatusCanceled))
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// T2: cancel-requested > cancelled --> J: cancel-requested > canceled
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mocks.expectSaveTaskWithStatus(t, task2, api.TaskStatusCanceled)
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mocks.persist.EXPECT().JobHasTasksInStatus(ctx, job, api.TaskStatusCancelRequested).Return(false, nil)
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mocks.expectSaveJobWithStatus(t, job, api.JobStatusCanceled)
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assert.NoError(t, sm.TaskStatusChange(ctx, task2, api.TaskStatusCanceled))
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}
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func TestTaskStatusChangeUnknownStatus(t *testing.T) {
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mockCtrl, ctx, sm, mocks := taskStateMachineTestFixtures(t)
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defer mockCtrl.Finish()
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// T: queued > borked --> saved to DB but otherwise ignored
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task := taskWithStatus(api.JobStatusQueued, api.TaskStatusQueued)
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mocks.expectSaveTaskWithStatus(t, task, api.TaskStatus("borked"))
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assert.NoError(t, sm.TaskStatusChange(ctx, task, api.TaskStatus("borked")))
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}
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