test(media): 覆盖转码入队与重转幂等
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# 后台转码链路打通
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## 现状取证
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- 上传完成时 `MediaService.complete` 已为视频调用 `TranscodeService.enqueue`。
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- 分集创建/替换视频地址时 `EpisodeService` 已调用
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`EpisodeTranscodeBindingService.bind`，会复用并绑定同一媒体的未完成任务。
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- 转码失败原因已写入 `transcode_task.error_msg`，最终状态写入 `status`。
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- 缺口是后台手动触发/重转接口，以及对应幂等和链路测试。
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## 实现
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1. 保留上传完成和改片自动入队逻辑，补测试锁定行为。
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2. `TranscodeService` 增加手动触发：
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- QUEUED/RUNNING 直接返回现有任务；
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- FAILED 重置原任务为 QUEUED；
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- SUCCESS 才创建新任务，紧接着重复触发会复用新 QUEUED 任务。
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3. 新增 `POST /admin/media/{id}/transcode`，校验媒资存在，复用 `episode:upload`。
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4. 返回任务 id 与状态，便于后台提示。
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## TDD 测试矩阵
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| 场景 | 断言 |
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| --- | --- |
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| 视频上传完成 | `MediaService.complete` 调用一次 `enqueue(assetId, 0, 0, sourceUrl)` |
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| 图片上传完成 | 不创建转码任务 |
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| 手动触发成功媒资 | 新建一个 QUEUED 任务，重复调用复用同一任务 |
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| 手动触发进行中媒资 | 直接返回 QUEUED/RUNNING 任务，不新增记录 |
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| 手动触发失败媒资 | 原任务重置为 QUEUED，保留任务 id |
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| 媒资不存在 | 返回既有 `DATA_NOT_FOUND`，控制器不产生 500 |
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| worker 最终失败 | 任务状态 FAILED，`error_msg` 保留 ffmpeg 原因 |
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## 验证
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- 先提交失败测试，再提交实现。
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- `mvn -pl fruitshorts-module-media,fruitshorts-transcode-worker test`
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- 不启停任何服务，不执行数据库变更，不改 Web/Flutter/specs/API 文档。
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@@ -25205,3 +25205,54 @@ dramaTitle/episodeNumber/totalEpisodes 非空、越界页空 list 且 total 保
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`limit` 旧 List 兼容均通过；服务层断言 `selectPage`、稳定排序和两批 IN 查询。
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未启停服务、未操作真机、未修改客户端。
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## 2026-10-22 后台转码链路打通 P1
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- 分支：`feature/media-transcode-pipeline`
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- 基线：`develop` / `origin/develop` = `cd51aabe`
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- 隔离工作树：`/private/tmp/fruitserver-media-pipeline`
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- 计划：`docs/plans/2026-10-22-media-transcode-pipeline.md`
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### 现状取证
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- `/admin/media/upload/complete`：视频完成合并后会调用
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`transcodeService.enqueue(assetId, 0L, 0L, sourceUrl)`；图片直接置 ready，不入队。
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- 分集创建/更新并保存 `videoUrl`：`EpisodeService` 调用
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`EpisodeTranscodeBindingService.bind`，按 objectKey 找到 `media_asset`，
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再把 `dramaId/episodeId/sourceUrl` 绑定到任务；未完成任务复用，不重复入队。
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- worker：`claimNext` 只认领 `episode_id > 0`；成功后回填媒资 HLS、分集播放地址与时长；
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失败超过 3 次写 `FAILED + error_msg`。这些既有链路已由新增测试锁定。
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- 实际缺口：后台没有手动触发/重转接口，也没有其幂等测试。
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### TDD 红测
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先只提交测试，不写生产实现。定向命令：
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```text
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$ mvn -pl fruitshorts-transcode-worker -am \
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-Dtest=MediaServiceTranscodePipelineTest,TranscodeServiceTriggerTest \
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-Dsurefire.failIfNoSpecifiedTests=false test
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[ERROR] ... MediaServiceTranscodePipelineTest.java:[13,32] 找不到符号
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符号: 类 TranscodeTriggerRespVO
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[ERROR] ... TranscodeServiceTriggerTest.java:[15,32] 找不到符号
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符号: 类 TranscodeTriggerRespVO
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[INFO] fruitshorts-transcode-worker ....................... FAILURE
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[INFO] BUILD FAILURE
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```
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解读：失败原因为预期的生产接口尚不存在，不是测试环境或既有代码编译问题。
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下一步再实现最小生产代码令红测转绿。
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控制器契约红测同样先失败在缺失的响应类型：
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```text
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$ mvn -pl fruitshorts-admin-api -am \
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-Dtest=MediaTranscodeTriggerContractTest \
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-Dsurefire.failIfNoSpecifiedTests=false test
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[ERROR] MediaTranscodeTriggerContractTest.java:[11,32] 找不到符号
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符号: 类 TranscodeTriggerRespVO
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[INFO] fruitshorts-admin-api .............................. FAILURE
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[INFO] BUILD FAILURE
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```
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解读：控制器测试已经先于实现落地，现有上传/分集链路未被破坏。
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+63
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// Author: fruit.com.cn
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package com.fruitshorts.admin.controller;
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import com.fruitshorts.admin.support.ControllerContractSupport;
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import com.fruitshorts.common.exception.ErrorCode;
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import com.fruitshorts.common.exception.ServiceException;
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import com.fruitshorts.media.service.MediaService;
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import com.fruitshorts.media.service.MediaTranscodeProfileService;
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import com.fruitshorts.media.service.TranscodeService;
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import com.fruitshorts.media.vo.TranscodeTriggerRespVO;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.springframework.test.web.servlet.MockMvc;
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import static org.mockito.BDDMockito.given;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.verify;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
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/**
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* 后台手动触发转码的最小契约。
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*/
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class MediaTranscodeTriggerContractTest {
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private MediaService mediaService;
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private MockMvc mockMvc;
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@BeforeEach
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void setUp() {
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mediaService = mock(MediaService.class);
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MediaController controller = new MediaController(
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mediaService, mock(MediaTranscodeProfileService.class));
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mockMvc = ControllerContractSupport.mockMvcOf(controller);
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}
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@Test
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void should_return_task_id_and_status_when_triggering_transcode() throws Exception {
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given(mediaService.triggerTranscode(88L))
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.willReturn(new TranscodeTriggerRespVO(100L, TranscodeService.STATUS_QUEUED));
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mockMvc.perform(post("/admin/media/88/transcode"))
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.andExpect(status().isOk())
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.andExpect(jsonPath("$.code").value(0))
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.andExpect(jsonPath("$.data.taskId").value("100"))
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.andExpect(jsonPath("$.data.status").value(TranscodeService.STATUS_QUEUED));
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verify(mediaService).triggerTranscode(88L);
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}
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@Test
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void should_keep_not_found_semantics_when_media_does_not_exist() throws Exception {
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given(mediaService.triggerTranscode(404L))
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.willThrow(new ServiceException(ErrorCode.DATA_NOT_FOUND, "媒资不存在"));
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mockMvc.perform(post("/admin/media/404/transcode"))
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.andExpect(status().isOk())
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.andExpect(jsonPath("$.code").value(ErrorCode.DATA_NOT_FOUND.getCode()))
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.andExpect(jsonPath("$.message").value("媒资不存在"));
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}
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}
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+146
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// Author: fruit.com.cn
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package com.fruitshorts.worker;
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import com.fruitshorts.media.config.MediaProperties;
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import com.fruitshorts.media.dal.entity.MediaAsset;
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import com.fruitshorts.media.dal.entity.MediaUploadTask;
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import com.fruitshorts.media.dal.mapper.MediaAssetMapper;
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import com.fruitshorts.media.dal.mapper.MediaUploadTaskMapper;
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import com.fruitshorts.media.service.MediaService;
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import com.fruitshorts.media.service.MediaStorageService;
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import com.fruitshorts.media.service.TranscodeService;
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import com.fruitshorts.media.vo.TranscodeTriggerRespVO;
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import com.fruitshorts.media.vo.UploadCompleteReqVO;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import java.nio.file.Path;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.assertj.core.api.Assertions.assertThatThrownBy;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.ArgumentMatchers.anyString;
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import static org.mockito.BDDMockito.given;
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import static org.mockito.Mockito.doAnswer;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.never;
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import static org.mockito.Mockito.verify;
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/**
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* 媒资完成上传与后台手动重转的入队语义。
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*/
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class MediaServiceTranscodePipelineTest {
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private static final Long ASSET_ID = 88L;
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private static final String SOURCE_URL = "/files/episode/202610/video.mp4";
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private MediaAssetMapper mediaAssetMapper;
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private MediaUploadTaskMapper uploadTaskMapper;
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private MediaStorageService storageService;
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private TranscodeService transcodeService;
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private MediaService mediaService;
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@BeforeEach
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void setUp() {
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mediaAssetMapper = mock(MediaAssetMapper.class);
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uploadTaskMapper = mock(MediaUploadTaskMapper.class);
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storageService = mock(MediaStorageService.class);
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transcodeService = mock(TranscodeService.class);
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mediaService = new MediaService(
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new MediaProperties(), storageService, mediaAssetMapper,
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uploadTaskMapper, transcodeService);
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}
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@Test
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void should_enqueue_video_transcode_when_upload_completes() {
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givenCompletedUpload("video.mp4");
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given(storageService.countChunks("upload-1")).willReturn(1);
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given(storageService.merge("upload-1", "episode/202610/video.mp4", 1))
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.willReturn(new MediaStorageService.MergeResult(
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Path.of("/tmp/video.mp4"), 1024L, "md5"));
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given(storageService.toPublicUrl("episode/202610/video.mp4"))
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.willReturn(SOURCE_URL);
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given(mediaAssetMapper.selectById(ASSET_ID)).willReturn(asset("video.mp4"));
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mediaService.complete(completeReq(), 10L);
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verify(transcodeService).enqueue(ASSET_ID, 0L, 0L, SOURCE_URL);
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}
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@Test
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void should_not_enqueue_image_when_upload_completes() {
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givenCompletedUpload("cover.jpg");
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given(storageService.countChunks("upload-1")).willReturn(1);
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given(storageService.merge("upload-1", "episode/202610/cover.jpg", 1))
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.willReturn(new MediaStorageService.MergeResult(
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Path.of("/tmp/cover.jpg"), 512L, "md5"));
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given(storageService.toPublicUrl("episode/202610/cover.jpg"))
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.willReturn("/files/episode/202610/cover.jpg");
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given(mediaAssetMapper.selectById(ASSET_ID)).willReturn(asset("cover.jpg"));
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mediaService.complete(completeReq(), 10L);
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verify(transcodeService, never()).enqueue(any(), any(), any(), anyString());
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}
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@Test
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void should_return_not_found_when_triggering_transcode_for_missing_media() {
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given(mediaAssetMapper.selectOne(any())).willReturn(null);
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assertThatThrownBy(() -> mediaService.triggerTranscode(404L))
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.isInstanceOf(com.fruitshorts.common.exception.ServiceException.class)
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.hasMessage("媒资不存在");
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verify(transcodeService, never()).trigger(any(), anyString());
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}
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@Test
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void should_trigger_transcode_and_mark_asset_queued() {
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MediaAsset asset = asset("video.mp4");
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given(mediaAssetMapper.selectOne(any())).willReturn(asset);
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given(transcodeService.trigger(ASSET_ID, SOURCE_URL))
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.willReturn(new TranscodeTriggerRespVO(100L, TranscodeService.STATUS_QUEUED));
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TranscodeTriggerRespVO result = mediaService.triggerTranscode(ASSET_ID);
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assertThat(result.getTaskId()).isEqualTo(100L);
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assertThat(result.getStatus()).isEqualTo(TranscodeService.STATUS_QUEUED);
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assertThat(asset.getStatus()).isEqualTo("transcoding");
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assertThat(asset.getTranscodeStatus()).isEqualTo(TranscodeService.STATUS_QUEUED);
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verify(mediaAssetMapper).updateById(asset);
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}
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private void givenCompletedUpload(String fileName) {
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String objectKey = "episode/202610/" + fileName;
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MediaUploadTask task = new MediaUploadTask();
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task.setUploadId("upload-1");
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task.setFileName(fileName);
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task.setObjectKey(objectKey);
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task.setTotalChunks(1);
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task.setStatus("uploading");
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task.setCreateBy(10L);
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given(uploadTaskMapper.selectOne(any())).willReturn(task);
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doAnswer(invocation -> {
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MediaAsset inserted = invocation.getArgument(0);
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inserted.setId(ASSET_ID);
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return 1;
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}).when(mediaAssetMapper).insert(any(MediaAsset.class));
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}
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private UploadCompleteReqVO completeReq() {
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UploadCompleteReqVO req = new UploadCompleteReqVO();
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req.setUploadId("upload-1");
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req.setDurationSec(120);
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return req;
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}
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private MediaAsset asset(String fileName) {
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MediaAsset asset = new MediaAsset();
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asset.setId(ASSET_ID);
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asset.setFileName(fileName);
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asset.setObjectKey("episode/202610/" + fileName);
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asset.setSourceUrl(SOURCE_URL);
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asset.setStatus("uploaded");
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return asset;
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}
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}
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+138
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// Author: fruit.com.cn
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package com.fruitshorts.worker;
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import com.baomidou.mybatisplus.core.MybatisConfiguration;
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import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
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import com.fruitshorts.media.dal.entity.MediaRendition;
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import com.fruitshorts.media.dal.entity.MediaThumbnail;
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import com.fruitshorts.media.dal.entity.TranscodeTask;
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import com.fruitshorts.media.dal.mapper.MediaRenditionMapper;
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import com.fruitshorts.media.dal.mapper.MediaThumbnailMapper;
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import com.fruitshorts.media.dal.mapper.TranscodeTaskMapper;
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import com.fruitshorts.media.service.ThumbnailRecordService;
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import com.fruitshorts.media.service.TranscodeService;
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import com.fruitshorts.media.vo.TranscodeTriggerRespVO;
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import org.apache.ibatis.builder.MapperBuilderAssistant;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.BDDMockito.given;
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import static org.mockito.Mockito.doAnswer;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.never;
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import static org.mockito.Mockito.verify;
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/**
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* 后台重转的幂等规则：进行中复用、失败重置、成功才新建。
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*/
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class TranscodeServiceTriggerTest {
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private static final Long ASSET_ID = 88L;
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private TranscodeTaskMapper taskMapper;
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private TranscodeService transcodeService;
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@BeforeAll
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static void initTableInfoCache() {
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MapperBuilderAssistant assistant =
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new MapperBuilderAssistant(new MybatisConfiguration(), "");
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TableInfoHelper.initTableInfo(assistant, TranscodeTask.class);
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TableInfoHelper.initTableInfo(assistant, MediaRendition.class);
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TableInfoHelper.initTableInfo(assistant, MediaThumbnail.class);
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}
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@BeforeEach
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void setUp() {
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taskMapper = mock(TranscodeTaskMapper.class);
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transcodeService = new TranscodeService(
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taskMapper, mock(MediaRenditionMapper.class),
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mock(MediaThumbnailMapper.class), mock(ThumbnailRecordService.class));
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}
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@Test
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void should_create_once_and_reuse_queued_task_when_retrying_successful_asset() {
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TranscodeTask success = task(10L, TranscodeService.STATUS_SUCCESS);
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TranscodeTask queued = task(100L, TranscodeService.STATUS_QUEUED);
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given(taskMapper.selectOne(any())).willReturn(success, null, queued);
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doAnswer(invocation -> {
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TranscodeTask inserted = invocation.getArgument(0);
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inserted.setId(100L);
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return 1;
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}).when(taskMapper).insert(any(TranscodeTask.class));
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TranscodeTriggerRespVO first = transcodeService.trigger(ASSET_ID, "/files/video.mp4");
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TranscodeTriggerRespVO second = transcodeService.trigger(ASSET_ID, "/files/video.mp4");
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assertThat(first.getTaskId()).isEqualTo(100L);
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assertThat(first.getStatus()).isEqualTo(TranscodeService.STATUS_QUEUED);
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assertThat(second.getTaskId()).isEqualTo(100L);
|
||||
assertThat(second.getStatus()).isEqualTo(TranscodeService.STATUS_QUEUED);
|
||||
verify(taskMapper).insert(any(TranscodeTask.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
void should_reuse_queued_task_for_repeated_trigger() {
|
||||
TranscodeTask queued = task(21L, TranscodeService.STATUS_QUEUED);
|
||||
given(taskMapper.selectOne(any())).willReturn(queued);
|
||||
|
||||
TranscodeTriggerRespVO first = transcodeService.trigger(ASSET_ID, "/files/video.mp4");
|
||||
TranscodeTriggerRespVO second = transcodeService.trigger(ASSET_ID, "/files/video.mp4");
|
||||
|
||||
assertThat(first.getTaskId()).isEqualTo(21L);
|
||||
assertThat(second.getTaskId()).isEqualTo(21L);
|
||||
assertThat(second.getStatus()).isEqualTo(TranscodeService.STATUS_QUEUED);
|
||||
verify(taskMapper, never()).insert(any(TranscodeTask.class));
|
||||
verify(taskMapper, never()).updateById(any(TranscodeTask.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
void should_reset_the_same_failed_task_for_manual_retry() {
|
||||
TranscodeTask failed = task(31L, TranscodeService.STATUS_FAILED);
|
||||
failed.setRetryCount(3);
|
||||
failed.setErrorMsg("ffmpeg failed");
|
||||
given(taskMapper.selectOne(any())).willReturn(failed);
|
||||
given(taskMapper.update(any(), any())).willReturn(1);
|
||||
|
||||
TranscodeTriggerRespVO result =
|
||||
transcodeService.trigger(ASSET_ID, "/files/video.mp4");
|
||||
|
||||
assertThat(result.getTaskId()).isEqualTo(31L);
|
||||
assertThat(result.getStatus()).isEqualTo(TranscodeService.STATUS_QUEUED);
|
||||
verify(taskMapper).update(any(), any());
|
||||
verify(taskMapper, never()).insert(any(TranscodeTask.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
void should_persist_failure_reason_and_status_after_max_retry() {
|
||||
TranscodeTask running = task(41L, TranscodeService.STATUS_RUNNING);
|
||||
running.setRetryCount(2);
|
||||
given(taskMapper.selectById(41L)).willReturn(running);
|
||||
|
||||
String status = transcodeService.fail(
|
||||
41L, "ffmpeg 退出码 1：Invalid data found");
|
||||
|
||||
assertThat(status).isEqualTo(TranscodeService.STATUS_FAILED);
|
||||
assertThat(running.getStatus()).isEqualTo(TranscodeService.STATUS_FAILED);
|
||||
assertThat(running.getRetryCount()).isEqualTo(3);
|
||||
assertThat(running.getErrorMsg()).contains("Invalid data found");
|
||||
verify(taskMapper).updateById(running);
|
||||
}
|
||||
|
||||
private TranscodeTask task(Long id, String status) {
|
||||
TranscodeTask task = new TranscodeTask();
|
||||
task.setId(id);
|
||||
task.setMediaAssetId(ASSET_ID);
|
||||
task.setDramaId(7L);
|
||||
task.setEpisodeId(31L);
|
||||
task.setSourceUrl("/files/episode/202610/video.mp4");
|
||||
task.setStatus(status);
|
||||
task.setProgress(100);
|
||||
task.setRetryCount(0);
|
||||
task.setErrorMsg("");
|
||||
return task;
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user