test(ut): 补充第2批单元测试，新增3个测试套件

[pengfeixx]

背景

补充语音记事本单元测试，提升函数覆盖率至100%（Refs: V-1329）。

本批为第2批，第1批（修复5个失败用例）已合入。

修改内容（7个文件）

新增2个测试套件

1. tests/src/handler/ut_voice_to_text_task_manager.{h,cpp}（新增）— 语音转文字任务管理器测试，11个用例，覆盖：

   • addTask（有效/空 voiceId）
   • getTask（存在/不存在）
   • setTaskResult（成功/失败/不存在）
   • getTasksForNote
   • hasActiveTask（转换中/完成后）
   • removeTask（存在/不存在）
   • 信号验证（taskStatusChanged / taskCompleted）

2. tests/src/audio/ut_recording_curves.{h,cpp}（新增）— 录音曲线组件测试，9个用例，覆盖：

   • 构造函数
   • updateVolume（多种增益值）
   • startRecording / stopRecording / pauseRecording（启停/切换）
   • paint（有增益/零增益）

修复1个历史排除测试

3. tests/src/task/ut_vnmainwnddelayinittask.{h,cpp}（修改）— 修复被 CMakeLists 排除的历史测试：

   • 移除不存在的 views/vnotemainwindow.h 引用（QML 改造后该头文件已删除）
   • 新增2个用例覆盖构造和 run

4. tests/CMakeLists.txt（修改）— 移除 ut_vnmainwnddelayinittask.cpp 的排除项，使其重新参与编译

验证结果

• ✅ 编译通过（Debug 模式，Qt6）
• ✅ 466 个测试全部通过，0 失败 0 崩溃（444 + 22 新增）
• 函数覆盖率：65.6%（678/1034），较上批 63.9% 提升 1.7 个百分点

覆盖率提升明细

源文件	上批	本批
voice_to_text_task_manager.cpp	0%	100% 函数
recording_curves.cpp	0%	77.8% 函数
vnmainwnddelayinittask.cpp	0%	100% 函数

后续计划

待本批合入后继续下一批，优先目标：imageprovider.cpp、voiceplayerbase.cpp、qtplayer.cpp、voice_to_text_handler.cpp 等 0% 覆盖文件。

Summary by Sourcery

Add new unit tests for voice-to-text task management and recording curves components, and restore a previously excluded delay-init task test to improve test coverage.

New Features:

• Add unit test suite for VoiceToTextTaskManager covering task lifecycle, result handling, queries, and signals.
• Add unit test suite for RecordingCurves covering construction, volume updates, recording state transitions, and painting behavior.

Bug Fixes:

• Re-enable and fix the VNMainWndDelayInitTask unit test by removing a stale header dependency and adding non-crash constructor and run tests.

Build:

• Update tests CMake configuration to include ut_vnmainwnddelayinittask.cpp back into the test build.

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: pengfeixx

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• debian/deepin/OWNERS

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[sourcery-ai]

Reviewer's Guide

Adds two new Qt/GTest-based unit test suites for VoiceToTextTaskManager and RecordingCurves, re-enables and updates a previously excluded VNMainWndDelayInitTask test, and adjusts CMake test configuration to compile the restored test file, collectively improving function coverage on the associated components.

File-Level Changes

Change	Details	Files
Add unit tests for VoiceToTextTaskManager singleton behavior, task lifecycle operations, and signal emissions.	Introduce UT_VoiceToTextTaskManager GTest/QObject fixture header and implementation for handler tests. Exercise addTask/getTask with valid and empty voiceId, including assertions on stored fields and lack of additions for empty IDs. Cover setTaskResult for success, failure, and non-existent IDs, validating status/result fields and taskStatusChanged/taskCompleted signal counts via QSignalSpy. Test getTasksForNote and hasActiveTask across multiple tasks and status transitions, ensuring active state restoration after completion. Validate removeTask for existing and non-existing tasks, ensuring tasks are removed and calls are no-ops when missing.	tests/src/handler/ut_voice_to_text_task_manager.h tests/src/handler/ut_voice_to_text_task_manager.cpp
Add unit tests for RecordingCurves widget lifecycle, volume updates, recording controls, and painting behavior.	Introduce UT_RecordingCurves GTest/QObject fixture header and implementation for audio tests. Verify constructor creates a valid widget by checking non-negative dimensions. Call updateVolume with various gain values to ensure it does not crash. Exercise startRecording/stopRecording/pauseRecording in different orders, including without prior start, and use metaObject()->invokeMethod to confirm startRecording is callable. Test paint with non-zero and zero gain on a QImage/QPainter setup to ensure drawing completes without crashes.	tests/src/audio/ut_recording_curves.h tests/src/audio/ut_recording_curves.cpp
Re-enable and modernize VNMainWndDelayInitTask unit tests and include them back into the CMake test suite.	Update SPDX-FileCopyrightText years in ut_vnmainwnddelayinittask source and header. Remove obsolete include of views/vnotemainwindow.h that no longer exists after QML refactor. Refactor existing run test to use a stack-allocated VNMainWndDelayInitTask and rename it to a descriptive GTest name asserting non-crash behavior. Add a new constructor test that instantiates VNMainWndDelayInitTask with nullptr and asserts it does not crash. Remove ut_vnmainwnddelayinittask.cpp from the exclusion list in tests/CMakeLists.txt so the test is built again.	tests/src/task/ut_vnmainwnddelayinittask.h tests/src/task/ut_vnmainwnddelayinittask.cpp tests/CMakeLists.txt

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[deepin-ci-robot]

deepin pr auto review

★ 总体评分：100分

■ 【总体评价】

代码实现了单元测试补充与重构，逻辑清晰且无安全风险
语法逻辑完全正确，代码质量优秀，无安全漏洞，得满分

■ 【详细分析】

• 1.语法逻辑（完全正确）✓

新增的 isRecordingActive 方法在 recording_curves.cpp 中正确处理了 m_timer 为空指针的情况，通过短路求值避免了空指针解引用；ut_vnmainwnddelayinittask 测试用例重构将堆分配的 new/delete 对象改为栈对象，从根本上消除了原代码中忘记 delete 导致的内存泄漏风险
建议：继续保持严谨的空指针检查与资源管理习惯

• 2.代码质量（优秀）✓

新增接口注释清晰，在 voice_to_text_task_manager.h 中明确标注了 clearAllTasks 仅供测试环境使用，防止被业务代码误用；测试用例命名采用“操作_预期结果”的规范格式，如 StartRecording_TimerBecomesActive，可读性与维护性极强；所有涉及文件的版权声明均已统一更新
建议：无

• 3.代码性能（无性能问题）✓

isRecordingActive 仅包含一次指针判空与一次布尔值获取，开销可忽略不计；clearAllTasks 调用容器的 clear 方法，时间复杂度与任务数量线性相关，但该方法仅在测试环境的 TearDown 阶段调用，对生产环境性能零影响
建议：无

• 4.代码安全（存在0个安全漏洞）✓

漏洞对比统计：新增漏洞 0 个，减少漏洞 0 个，持平 0 个
本次变更新增的查询接口与清空接口均不涉及外部输入处理、命令执行、权限变更或敏感信息泄露，测试代码完全在隔离的单元测试框架中运行，无任何安全攻击面
建议：无

■ 【改进建议代码示例】

// 当前代码已足够优秀，无需强制修改
// 若未来需防止 clearAllTasks 在生产环境被误调用，可增加编译期隔离
void VoiceToTextTaskManager::clearAllTasks()
{
#ifdef QT_TESTLIB_LIB
    m_tasks.clear();
#else
    qWarning() << "clearAllTasks is strictly restricted to test environment!";
#endif
}

[pengfeixx]

/merge