test(wave156): generation_task生成任务实体单测 +24

为 domain/generation_task.py 新增 24 个单测：

- GenerationTaskStatus 枚举：6个
- create 工厂：18个（最简/全字段/二选一校验/列表拷贝/默认值）

tests/unit/domain/test_classification.py

@@ -0,0 +1,181 @@
+"""classification 单测.
+
+domain 层素材分类模块纯逻辑，0 外部依赖。
+覆盖：4个枚举 + ClassificationJob 工厂/校验。
+"""
+
+from __future__ import annotations
+
+from packages.domain.classification import (
+    AssetClassification,
+    AssetLibraryKind,
+    ClassificationJob,
+    ClassificationJobStatus,
+    IngestJobStatus,
+)
+
+
+class TestAssetLibraryKind:
+    """AssetLibraryKind 枚举测试."""
+
+    def test_two_values(self):
+        """视频和配音两类."""
+        assert len(AssetLibraryKind) == 2
+
+    def test_video(self):
+        assert AssetLibraryKind.VIDEO == "video"
+
+    def test_voice(self):
+        assert AssetLibraryKind.VOICE == "voice"
+
+    def test_str_compatible(self):
+        """StrEnum 字符串兼容."""
+        assert AssetLibraryKind.VIDEO == "video"
+
+
+class TestIngestJobStatus:
+    """IngestJobStatus 枚举测试."""
+
+    def test_four_statuses(self):
+        assert len(IngestJobStatus) == 4
+
+    def test_pending(self):
+        assert IngestJobStatus.PENDING == "pending"
+
+    def test_processing(self):
+        assert IngestJobStatus.PROCESSING == "processing"
+
+    def test_completed(self):
+        assert IngestJobStatus.COMPLETED == "completed"
+
+    def test_failed(self):
+        assert IngestJobStatus.FAILED == "failed"
+
+
+class TestClassificationJobStatus:
+    """ClassificationJobStatus 枚举测试."""
+
+    def test_four_statuses(self):
+        assert len(ClassificationJobStatus) == 4
+
+    def test_pending(self):
+        assert ClassificationJobStatus.PENDING == "pending"
+
+    def test_processing(self):
+        assert ClassificationJobStatus.PROCESSING == "processing"
+
+    def test_completed(self):
+        assert ClassificationJobStatus.COMPLETED == "completed"
+
+    def test_failed(self):
+        assert ClassificationJobStatus.FAILED == "failed"
+
+    def test_same_values_as_ingest(self):
+        """两种任务状态值相同."""
+        assert set(ClassificationJobStatus) == set(IngestJobStatus)
+
+
+class TestAssetClassification:
+    """AssetClassification 枚举测试."""
+
+    def test_nine_categories(self):
+        """9个分类."""
+        assert len(AssetClassification) == 9
+
+    def test_scenic(self):
+        assert AssetClassification.SCENIC == "scenic"
+
+    def test_product(self):
+        assert AssetClassification.PRODUCT == "product"
+
+    def test_person(self):
+        assert AssetClassification.PERSON == "person"
+
+    def test_animal(self):
+        assert AssetClassification.ANIMAL == "animal"
+
+    def test_food(self):
+        assert AssetClassification.FOOD == "food"
+
+    def test_tech(self):
+        assert AssetClassification.TECH == "tech"
+
+    def test_sport(self):
+        assert AssetClassification.SPORT == "sport"
+
+    def test_music(self):
+        assert AssetClassification.MUSIC == "music"
+
+    def test_other(self):
+        assert AssetClassification.OTHER == "other"
+
+    def test_all_values_unique(self):
+        """所有分类值唯一."""
+        values = [c.value for c in AssetClassification]
+        assert len(values) == len(set(values))
+
+
+class TestClassificationJobCreate:
+    """ClassificationJob.create 测试."""
+
+    def test_create_valid(self):
+        """正常创建."""
+        job = ClassificationJob.create(project_id="proj1", asset_id="asset1")
+        assert job.project_id == "proj1"
+        assert job.asset_id == "asset1"
+        assert job.status == ClassificationJobStatus.PENDING
+        assert job.classification == ""
+        assert job.confidence == 0.0
+        assert job.error_message == ""
+        assert isinstance(job.id, str)
+        assert len(job.id) > 0
+
+    def test_create_strips(self):
+        """project_id 和 asset_id 会 strip."""
+        job = ClassificationJob.create(project_id="  proj1  ", asset_id="  asset1  ")
+        assert job.project_id == "proj1"
+        assert job.asset_id == "asset1"
+
+    def test_create_empty_project_id(self):
+        """空 project_id 无效."""
+        try:
+            ClassificationJob.create(project_id="", asset_id="a1")
+            assert False
+        except ValueError as e:
+            assert "project_id" in str(e)
+
+    def test_create_whitespace_project_id(self):
+        """纯空白 project_id 无效."""
+        try:
+            ClassificationJob.create(project_id="   ", asset_id="a1")
+            assert False
+        except ValueError as e:
+            assert "project_id" in str(e)
+
+    def test_create_empty_asset_id(self):
+        """空 asset_id 无效."""
+        try:
+            ClassificationJob.create(project_id="p1", asset_id="")
+            assert False
+        except ValueError as e:
+            assert "asset_id" in str(e)
+
+    def test_create_whitespace_asset_id(self):
+        """纯空白 asset_id 无效."""
+        try:
+            ClassificationJob.create(project_id="p1", asset_id="   ")
+            assert False
+        except ValueError as e:
+            assert "asset_id" in str(e)
+
+    def test_create_unique_id(self):
+        """不同 job id 不同."""
+        j1 = ClassificationJob.create("p", "a")
+        j2 = ClassificationJob.create("p", "a")
+        assert j1.id != j2.id
+
+    def test_create_has_timestamps(self):
+        """有创建和更新时间."""
+        job = ClassificationJob.create("p", "a")
+        assert job.created_at is not None
+        assert job.updated_at is not None

tests/unit/domain/test_duplication.py

@@ -0,0 +1,376 @@
+"""duplication 单测.
+
+domain 层查重记录纯逻辑模块，0 外部依赖。
+覆盖：DuplicateSegment 工厂/校验、DuplicationRecord 创建/状态流转/重试。
+"""
+
+from __future__ import annotations
+
+from packages.domain.duplication import DuplicateSegment, DuplicationRecord
+
+
+class TestDuplicateSegmentCreate:
+    """DuplicateSegment.create 工厂方法测试."""
+
+    def test_create_valid(self):
+        """正常创建."""
+        seg = DuplicateSegment.create(
+            source_start=1.0,
+            source_end=5.0,
+            matched_video_id="vid123",
+            matched_video_name="测试视频",
+            matched_start=10.0,
+            matched_end=14.0,
+            similarity=85.5,
+        )
+        assert seg.source_start == 1.0
+        assert seg.source_end == 5.0
+        assert seg.matched_video_id == "vid123"
+        assert seg.matched_video_name == "测试视频"
+        assert seg.matched_start == 10.0
+        assert seg.matched_end == 14.0
+        assert seg.similarity == 85.5
+        assert isinstance(seg.id, str)
+        assert len(seg.id) > 0
+
+    def test_create_generates_unique_id(self):
+        """每次创建生成不同的 id."""
+        seg1 = DuplicateSegment.create(0, 1, "v", "n", 0, 1, 50.0)
+        seg2 = DuplicateSegment.create(0, 1, "v", "n", 0, 1, 50.0)
+        assert seg1.id != seg2.id
+
+    def test_create_negative_source_start(self):
+        """source_start 为负抛出 ValueError."""
+        try:
+            DuplicateSegment.create(-1, 5, "v", "n", 0, 1, 50.0)
+            assert False, "应该抛出 ValueError"
+        except ValueError as e:
+            assert "source" in str(e).lower()
+
+    def test_create_source_end_equals_start(self):
+        """source_end 等于 source_start 无效."""
+        try:
+            DuplicateSegment.create(5, 5, "v", "n", 0, 1, 50.0)
+            assert False
+        except ValueError as e:
+            assert "source" in str(e).lower()
+
+    def test_create_source_end_less_than_start(self):
+        """source_end 小于 source_start 无效."""
+        try:
+            DuplicateSegment.create(5, 3, "v", "n", 0, 1, 50.0)
+            assert False
+        except ValueError as e:
+            assert "source" in str(e).lower()
+
+    def test_create_negative_matched_start(self):
+        """matched_start 为负无效."""
+        try:
+            DuplicateSegment.create(0, 5, "v", "n", -1, 1, 50.0)
+            assert False
+        except ValueError as e:
+            assert "matched" in str(e).lower()
+
+    def test_create_matched_end_invalid(self):
+        """matched_end <= matched_start 无效."""
+        try:
+            DuplicateSegment.create(0, 5, "v", "n", 5, 5, 50.0)
+            assert False
+        except ValueError as e:
+            assert "matched" in str(e).lower()
+
+    def test_create_similarity_zero(self):
+        """similarity = 0 是合法的."""
+        seg = DuplicateSegment.create(0, 1, "v", "n", 0, 1, 0.0)
+        assert seg.similarity == 0.0
+
+    def test_create_similarity_100(self):
+        """similarity = 100 是合法的."""
+        seg = DuplicateSegment.create(0, 1, "v", "n", 0, 1, 100.0)
+        assert seg.similarity == 100.0
+
+    def test_create_similarity_negative(self):
+        """similarity < 0 无效."""
+        try:
+            DuplicateSegment.create(0, 1, "v", "n", 0, 1, -1.0)
+            assert False
+        except ValueError as e:
+            assert "similarity" in str(e).lower()
+
+    def test_create_similarity_over_100(self):
+        """similarity > 100 无效."""
+        try:
+            DuplicateSegment.create(0, 1, "v", "n", 0, 1, 101.0)
+            assert False
+        except ValueError as e:
+            assert "similarity" in str(e).lower()
+
+
+class TestDuplicationRecordCreate:
+    """DuplicationRecord.create 工厂方法测试."""
+
+    def test_create_minimal(self):
+        """最简创建."""
+        rec = DuplicationRecord.create(
+            user_id="user1",
+            filename="test.mp4",
+            file_size=1024,
+            storage_key="oss://bucket/test.mp4",
+        )
+        assert rec.user_id == "user1"
+        assert rec.filename == "test.mp4"
+        assert rec.file_size == 1024
+        assert rec.storage_key == "oss://bucket/test.mp4"
+        assert rec.duration_seconds == 0.0
+        assert rec.status == "pending"
+        assert rec.duplicate_rate is None
+        assert rec.duplicate_count == 0
+        assert rec.segments == []
+        assert rec.error_message == ""
+        assert isinstance(rec.id, str)
+        assert len(rec.id) > 0
+
+    def test_create_with_duration(self):
+        """带时长创建."""
+        rec = DuplicationRecord.create(
+            user_id="user1",
+            filename="test.mp4",
+            file_size=1024,
+            storage_key="oss://key",
+            duration_seconds=120.5,
+        )
+        assert rec.duration_seconds == 120.5
+
+    def test_create_strips_whitespace(self):
+        """user_id 和 filename 会 strip."""
+        rec = DuplicationRecord.create(
+            user_id="  user1  ",
+            filename="  test.mp4  ",
+            file_size=1024,
+            storage_key="oss://key",
+        )
+        assert rec.user_id == "user1"
+        assert rec.filename == "test.mp4"
+
+    def test_create_empty_user_id(self):
+        """空 user_id 无效."""
+        try:
+            DuplicationRecord.create("", "test.mp4", 1024, "oss://key")
+            assert False
+        except ValueError as e:
+            assert "user_id" in str(e)
+
+    def test_create_whitespace_user_id(self):
+        """纯空白 user_id 无效."""
+        try:
+            DuplicationRecord.create("   ", "test.mp4", 1024, "oss://key")
+            assert False
+        except ValueError as e:
+            assert "user_id" in str(e)
+
+    def test_create_empty_filename(self):
+        """空 filename 无效."""
+        try:
+            DuplicationRecord.create("user1", "", 1024, "oss://key")
+            assert False
+        except ValueError as e:
+            assert "filename" in str(e)
+
+    def test_create_whitespace_filename(self):
+        """纯空白 filename 无效."""
+        try:
+            DuplicationRecord.create("user1", "   ", 1024, "oss://key")
+            assert False
+        except ValueError as e:
+            assert "filename" in str(e)
+
+    def test_create_zero_file_size(self):
+        """file_size = 0 无效."""
+        try:
+            DuplicationRecord.create("user1", "test.mp4", 0, "oss://key")
+            assert False
+        except ValueError as e:
+            assert "file_size" in str(e)
+
+    def test_create_negative_file_size(self):
+        """file_size 为负无效."""
+        try:
+            DuplicationRecord.create("user1", "test.mp4", -1, "oss://key")
+            assert False
+        except ValueError as e:
+            assert "file_size" in str(e)
+
+    def test_create_unique_id(self):
+        """不同记录 id 不同."""
+        r1 = DuplicationRecord.create("u", "f", 1, "k")
+        r2 = DuplicationRecord.create("u", "f", 1, "k")
+        assert r1.id != r2.id
+
+    def test_create_has_timestamps(self):
+        """有创建和更新时间."""
+        rec = DuplicationRecord.create("u", "f", 1, "k")
+        assert rec.created_at is not None
+        assert rec.updated_at is not None
+        # 两者应该很接近（都是 now）
+        delta = (rec.updated_at - rec.created_at).total_seconds()
+        assert abs(delta) < 1.0
+
+
+class TestDuplicationRecordStatusFlow:
+    """状态流转测试."""
+
+    def _make_record(self):
+        return DuplicationRecord.create("user1", "test.mp4", 1024, "oss://key")
+
+    def test_initial_status_pending(self):
+        """初始状态 pending."""
+        rec = self._make_record()
+        assert rec.status == "pending"
+
+    def test_mark_processing(self):
+        """标记为处理中."""
+        rec = self._make_record()
+        old_updated = rec.updated_at
+        rec.mark_processing()
+        assert rec.status == "processing"
+        assert rec.updated_at >= old_updated
+
+    def test_mark_completed(self):
+        """标记为完成."""
+        rec = self._make_record()
+        seg = DuplicateSegment.create(0, 1, "v", "n", 0, 1, 80.0)
+        rec.mark_completed(duplicate_rate=45.5, duplicate_count=3, segments=[seg])
+        assert rec.status == "completed"
+        assert rec.duplicate_rate == 45.5
+        assert rec.duplicate_count == 3
+        assert len(rec.segments) == 1
+        assert rec.segments[0].similarity == 80.0
+
+    def test_mark_completed_zero_rate(self):
+        """重复率为 0 合法."""
+        rec = self._make_record()
+        rec.mark_completed(0.0, 0, [])
+        assert rec.status == "completed"
+        assert rec.duplicate_rate == 0.0
+        assert rec.duplicate_count == 0
+        assert rec.segments == []
+
+    def test_mark_completed_full_rate(self):
+        """重复率 100 合法."""
+        rec = self._make_record()
+        rec.mark_completed(100.0, 1, [])
+        assert rec.duplicate_rate == 100.0
+
+    def test_mark_completed_negative_rate(self):
+        """重复率为负无效."""
+        rec = self._make_record()
+        try:
+            rec.mark_completed(-1, 0, [])
+            assert False
+        except ValueError as e:
+            assert "duplicate_rate" in str(e)
+
+    def test_mark_completed_over_100(self):
+        """重复率超过 100 无效."""
+        rec = self._make_record()
+        try:
+            rec.mark_completed(101, 0, [])
+            assert False
+        except ValueError as e:
+            assert "duplicate_rate" in str(e)
+
+    def test_mark_failed(self):
+        """标记为失败."""
+        rec = self._make_record()
+        rec.mark_failed("网络超时")
+        assert rec.status == "failed"
+        assert rec.error_message == "网络超时"
+
+    def test_mark_failed_empty_message(self):
+        """失败信息可以为空字符串."""
+        rec = self._make_record()
+        rec.mark_failed("")
+        assert rec.status == "failed"
+        assert rec.error_message == ""
+
+    def test_can_retry_failed(self):
+        """failed 状态可以重试."""
+        rec = self._make_record()
+        rec.mark_failed("error")
+        assert rec.can_retry() is True
+
+    def test_cannot_retry_pending(self):
+        """pending 状态不可重试."""
+        rec = self._make_record()
+        assert rec.can_retry() is False
+
+    def test_cannot_retry_processing(self):
+        """processing 状态不可重试."""
+        rec = self._make_record()
+        rec.mark_processing()
+        assert rec.can_retry() is False
+
+    def test_cannot_retry_completed(self):
+        """completed 状态不可重试."""
+        rec = self._make_record()
+        rec.mark_completed(50, 1, [])
+        assert rec.can_retry() is False
+
+    def test_reset_for_retry(self):
+        """重置回 pending."""
+        rec = self._make_record()
+        rec.mark_failed("error")
+        seg = DuplicateSegment.create(0, 1, "v", "n", 0, 1, 50.0)
+        rec.segments = [seg]
+        rec.video_fingerprint = {"hash": "abc"}
+        rec.duplicate_rate = 50.0
+        rec.duplicate_count = 5
+
+        rec.reset_for_retry()
+        assert rec.status == "pending"
+        assert rec.duplicate_rate is None
+        assert rec.duplicate_count == 0
+        assert rec.error_message == ""
+        assert rec.segments == []
+        assert rec.video_fingerprint is None
+
+    def test_reset_updates_timestamp(self):
+        """重置更新 updated_at."""
+        rec = self._make_record()
+        rec.mark_failed("error")
+        old_updated = rec.updated_at
+        rec.reset_for_retry()
+        assert rec.updated_at >= old_updated
+
+
+class TestDuplicationRecordSegments:
+    """segments 列表相关测试."""
+
+    def _make_record(self):
+        return DuplicationRecord.create("user1", "test.mp4", 1024, "oss://key")
+
+    def test_segments_default_empty(self):
+        """初始 segments 为空列表."""
+        rec = self._make_record()
+        assert rec.segments == []
+
+    def test_segments_independent_list(self):
+        """不同记录的 segments 是独立列表."""
+        r1 = self._make_record()
+        r2 = self._make_record()
+        r1.segments.append("fake")
+        assert len(r2.segments) == 0
+
+    def test_completed_with_multiple_segments(self):
+        """完成时带多个片段."""
+        rec = self._make_record()
+        segs = [
+            DuplicateSegment.create(0, 1, "v1", "n1", 0, 1, 90.0),
+            DuplicateSegment.create(2, 3, "v2", "n2", 5, 6, 70.0),
+            DuplicateSegment.create(4, 5, "v3", "n3", 10, 11, 85.0),
+        ]
+        rec.mark_completed(60.0, 3, segs)
+        assert len(rec.segments) == 3
+        assert rec.segments[0].similarity == 90.0
+        assert rec.segments[1].matched_video_id == "v2"
+        assert rec.segments[2].matched_video_name == "n3"

tests/unit/domain/test_edit_plan_clip.py

@@ -0,0 +1,362 @@
+"""edit_plan_clip 单测.
+
+domain 层剪辑计划片段纯逻辑模块，0 外部依赖。
+覆盖：枚举常量、create工厂/校验、素材分配、状态流转、属性计算。
+"""
+
+from __future__ import annotations
+
+from packages.domain.edit_plan_clip import EditPlanClip, EditPlanClipStatus
+
+
+class TestEditPlanClipStatus:
+    """EditPlanClipStatus 枚举测试."""
+
+    def test_four_statuses(self):
+        """四种状态."""
+        assert len(EditPlanClipStatus) == 4
+
+    def test_pending(self):
+        """pending 状态."""
+        assert EditPlanClipStatus.PENDING == "pending"
+
+    def test_ready(self):
+        """ready 状态."""
+        assert EditPlanClipStatus.READY == "ready"
+
+    def test_rendered(self):
+        """rendered 状态."""
+        assert EditPlanClipStatus.RENDERED == "rendered"
+
+    def test_failed(self):
+        """failed 状态."""
+        assert EditPlanClipStatus.FAILED == "failed"
+
+    def test_is_string(self):
+        """枚举值是字符串."""
+        for status in EditPlanClipStatus:
+            assert isinstance(status.value, str)
+            assert len(status.value) > 0
+
+    def test_str_compatible(self):
+        """StrEnum 可与字符串比较."""
+        assert EditPlanClipStatus.PENDING == "pending"
+        assert EditPlanClipStatus.READY + "" == "ready"
+
+
+class TestEditPlanClipCreate:
+    """EditPlanClip.create 工厂方法测试."""
+
+    def test_create_minimal(self):
+        """最简创建."""
+        clip = EditPlanClip.create(plan_id="plan1", clip_type="video", order=0)
+        assert clip.plan_id == "plan1"
+        assert clip.clip_type == "video"
+        assert clip.order == 0
+        assert clip.status == EditPlanClipStatus.PENDING
+        assert clip.template_clip_config_id == ""
+        assert clip.asset_id == ""
+        assert clip.text_content == ""
+        assert clip.start_time == 0.0
+        assert clip.duration == 0.0
+        assert clip.transition_effect == "cut"
+        assert clip.config == {}
+        assert isinstance(clip.id, str)
+        assert len(clip.id) > 0
+
+    def test_create_with_all_fields(self):
+        """带全部字段创建."""
+        clip = EditPlanClip.create(
+            plan_id="plan1",
+            clip_type="video",
+            order=2,
+            template_clip_config_id="tpl1",
+            asset_id="asset1",
+            text_content="  你好世界  ",
+            start_time=10.5,
+            duration=5.0,
+            transition_effect="fade",
+            config={"key": "value"},
+        )
+        assert clip.order == 2
+        assert clip.template_clip_config_id == "tpl1"
+        assert clip.asset_id == "asset1"
+        assert clip.text_content == "你好世界"  # strip了
+        assert clip.start_time == 10.5
+        assert clip.duration == 5.0
+        assert clip.transition_effect == "fade"
+        assert clip.config == {"key": "value"}
+
+    def test_create_strips_ids(self):
+        """plan_id 和 clip_type 会 strip."""
+        clip = EditPlanClip.create(plan_id="  plan1  ", clip_type="  video  ", order=0)
+        assert clip.plan_id == "plan1"
+        assert clip.clip_type == "video"
+
+    def test_create_empty_plan_id(self):
+        """空 plan_id 无效."""
+        try:
+            EditPlanClip.create(plan_id="", clip_type="video", order=0)
+            assert False
+        except ValueError as e:
+            assert "plan_id" in str(e)
+
+    def test_create_whitespace_plan_id(self):
+        """纯空白 plan_id 无效."""
+        try:
+            EditPlanClip.create(plan_id="   ", clip_type="video", order=0)
+            assert False
+        except ValueError as e:
+            assert "plan_id" in str(e)
+
+    def test_create_empty_clip_type(self):
+        """空 clip_type 无效."""
+        try:
+            EditPlanClip.create(plan_id="p1", clip_type="", order=0)
+            assert False
+        except ValueError as e:
+            assert "clip_type" in str(e)
+
+    def test_create_whitespace_clip_type(self):
+        """纯空白 clip_type 无效."""
+        try:
+            EditPlanClip.create(plan_id="p1", clip_type="   ", order=0)
+            assert False
+        except ValueError as e:
+            assert "clip_type" in str(e)
+
+    def test_create_negative_start_time(self):
+        """start_time 为负无效."""
+        try:
+            EditPlanClip.create(plan_id="p1", clip_type="v", order=0, start_time=-1.0)
+            assert False
+        except ValueError as e:
+            assert "start_time" in str(e)
+
+    def test_create_negative_duration(self):
+        """duration 为负无效."""
+        try:
+            EditPlanClip.create(plan_id="p1", clip_type="v", order=0, duration=-1.0)
+            assert False
+        except ValueError as e:
+            assert "duration" in str(e)
+
+    def test_create_zero_duration_valid(self):
+        """duration 为 0 合法."""
+        clip = EditPlanClip.create(plan_id="p1", clip_type="v", order=0, duration=0.0)
+        assert clip.duration == 0.0
+
+    def test_create_empty_transition_defaults_to_cut(self):
+        """空 transition_effect 默认 cut."""
+        clip = EditPlanClip.create(plan_id="p1", clip_type="v", order=0, transition_effect="")
+        assert clip.transition_effect == "cut"
+
+    def test_create_whitespace_transition_defaults_to_cut(self):
+        """空白 transition_effect 默认 cut."""
+        clip = EditPlanClip.create(plan_id="p1", clip_type="v", order=0, transition_effect="   ")
+        assert clip.transition_effect == "cut"
+
+    def test_create_config_none_defaults_empty_dict(self):
+        """config=None 默认为空 dict."""
+        clip = EditPlanClip.create(plan_id="p1", clip_type="v", order=0, config=None)
+        assert clip.config == {}
+
+    def test_create_unique_id(self):
+        """不同 clip id 不同."""
+        c1 = EditPlanClip.create("p1", "v", 0)
+        c2 = EditPlanClip.create("p1", "v", 0)
+        assert c1.id != c2.id
+
+    def test_create_has_timestamps(self):
+        """有创建和更新时间."""
+        clip = EditPlanClip.create("p1", "v", 0)
+        assert clip.created_at is not None
+        assert clip.updated_at is not None
+
+    def test_create_negative_order_valid(self):
+        """order 可以为负（表示排序位置）."""
+        clip = EditPlanClip.create(plan_id="p1", clip_type="v", order=-1)
+        assert clip.order == -1
+
+
+class TestEditPlanClipAssignAsset:
+    """素材分配测试."""
+
+    def _make_clip(self):
+        return EditPlanClip.create(plan_id="p1", clip_type="video", order=0)
+
+    def test_assign_asset(self):
+        """正常分配素材."""
+        clip = self._make_clip()
+        old_updated = clip.updated_at
+        clip.assign_asset("asset123")
+        assert clip.asset_id == "asset123"
+        assert clip.updated_at >= old_updated
+
+    def test_assign_asset_strips(self):
+        """asset_id 会 strip."""
+        clip = self._make_clip()
+        clip.assign_asset("  asset123  ")
+        assert clip.asset_id == "asset123"
+
+    def test_assign_asset_empty(self):
+        """空 asset_id 无效."""
+        clip = self._make_clip()
+        try:
+            clip.assign_asset("")
+            assert False
+        except ValueError as e:
+            assert "asset_id" in str(e)
+
+    def test_assign_asset_whitespace(self):
+        """纯空白 asset_id 无效."""
+        clip = self._make_clip()
+        try:
+            clip.assign_asset("   ")
+            assert False
+        except ValueError as e:
+            assert "asset_id" in str(e)
+
+    def test_has_asset_false_initially(self):
+        """初始无素材."""
+        clip = self._make_clip()
+        assert clip.has_asset is False
+
+    def test_has_asset_true_after_assign(self):
+        """分配后有素材."""
+        clip = self._make_clip()
+        clip.assign_asset("a1")
+        assert clip.has_asset is True
+
+
+class TestEditPlanClipStatusFlow:
+    """状态流转测试."""
+
+    def _make_clip(self):
+        return EditPlanClip.create(plan_id="p1", clip_type="video", order=0)
+
+    def test_initial_status_pending(self):
+        """初始状态 pending."""
+        clip = self._make_clip()
+        assert clip.status == EditPlanClipStatus.PENDING
+
+    def test_pending_to_ready(self):
+        """pending -> ready."""
+        clip = self._make_clip()
+        clip.mark_ready()
+        assert clip.status == EditPlanClipStatus.READY
+
+    def test_ready_to_rendered(self):
+        """ready -> rendered."""
+        clip = self._make_clip()
+        clip.mark_ready()
+        clip.mark_rendered()
+        assert clip.status == EditPlanClipStatus.RENDERED
+
+    def test_ready_to_failed(self):
+        """ready -> failed."""
+        clip = self._make_clip()
+        clip.mark_ready()
+        clip.mark_failed()
+        assert clip.status == EditPlanClipStatus.FAILED
+
+    def test_cannot_ready_from_rendered(self):
+        """rendered 状态不能再 mark_ready."""
+        clip = self._make_clip()
+        clip.mark_ready()
+        clip.mark_rendered()
+        try:
+            clip.mark_ready()
+            assert False
+        except ValueError as e:
+            assert "pending" in str(e).lower()
+
+    def test_cannot_ready_from_failed(self):
+        """failed 状态不能 mark_ready."""
+        clip = self._make_clip()
+        clip.mark_ready()
+        clip.mark_failed()
+        try:
+            clip.mark_ready()
+            assert False
+        except ValueError as e:
+            assert "pending" in str(e).lower()
+
+    def test_cannot_render_from_pending(self):
+        """pending 不能直接 mark_rendered."""
+        clip = self._make_clip()
+        try:
+            clip.mark_rendered()
+            assert False
+        except ValueError as e:
+            assert "ready" in str(e).lower()
+
+    def test_cannot_failed_from_pending(self):
+        """pending 不能直接 mark_failed."""
+        clip = self._make_clip()
+        try:
+            clip.mark_failed()
+            assert False
+        except ValueError as e:
+            assert "ready" in str(e).lower()
+
+    def test_status_change_updates_timestamp(self):
+        """状态变更更新 updated_at."""
+        clip = self._make_clip()
+        old_updated = clip.updated_at
+        clip.mark_ready()
+        assert clip.updated_at >= old_updated
+
+
+class TestEditPlanClipProperties:
+    """属性计算测试."""
+
+    def test_end_time(self):
+        """end_time = start_time + duration."""
+        clip = EditPlanClip.create(
+            plan_id="p1",
+            clip_type="v",
+            order=0,
+            start_time=10.0,
+            duration=5.5,
+        )
+        assert clip.end_time == 15.5
+
+    def test_end_time_zero_duration(self):
+        """零时长 end_time = start_time."""
+        clip = EditPlanClip.create(
+            plan_id="p1",
+            clip_type="v",
+            order=0,
+            start_time=10.0,
+            duration=0.0,
+        )
+        assert clip.end_time == 10.0
+
+    def test_end_time_zero_start(self):
+        """零起点 end_time = duration."""
+        clip = EditPlanClip.create(
+            plan_id="p1",
+            clip_type="v",
+            order=0,
+            start_time=0.0,
+            duration=7.0,
+        )
+        assert clip.end_time == 7.0
+
+    def test_has_asset_empty_string(self):
+        """空字符串无素材."""
+        clip = EditPlanClip.create(plan_id="p1", clip_type="v", order=0, asset_id="")
+        assert clip.has_asset is False
+
+    def test_has_asset_with_value(self):
+        """有值则有素材."""
+        clip = EditPlanClip.create(plan_id="p1", clip_type="v", order=0, asset_id="a1")
+        assert clip.has_asset is True
+
+    def test_config_independent_between_clips(self):
+        """不同 clip 的 config 独立."""
+        c1 = EditPlanClip.create(plan_id="p1", clip_type="v", order=0)
+        c2 = EditPlanClip.create(plan_id="p1", clip_type="v", order=1)
+        c1.config["key"] = "value"
+        assert "key" not in c2.config

tests/unit/domain/test_generated_video.py

@@ -0,0 +1,170 @@
+"""generated_video 单测.
+
+domain 层生成视频实体纯逻辑模块，0 外部依赖。
+覆盖：create工厂/校验、默认值、数据完整性。
+"""
+
+from __future__ import annotations
+
+from packages.domain.generated_video import GeneratedVideo
+
+
+class TestGeneratedVideoCreate:
+    """GeneratedVideo.create 工厂测试."""
+
+    def test_create_required_fields(self):
+        """最简创建（仅必填字段）."""
+        v = GeneratedVideo.create(
+            project_id="proj1",
+            generation_task_id="task1",
+            name="我的视频",
+            file_url="https://cdn.example.com/v.mp4",
+        )
+        assert v.project_id == "proj1"
+        assert v.generation_task_id == "task1"
+        assert v.name == "我的视频"
+        assert v.file_url == "https://cdn.example.com/v.mp4"
+        assert isinstance(v.id, str)
+        assert len(v.id) > 0
+
+    def test_create_defaults(self):
+        """默认值正确."""
+        v = GeneratedVideo.create(
+            project_id="p1",
+            generation_task_id="t1",
+            name="v",
+            file_url="http://x/v.mp4",
+        )
+        assert v.file_size == 0
+        assert v.duration == 0.0
+        assert v.width == 0
+        assert v.height == 0
+        assert v.fps == 0.0
+        assert v.thumbnail_url is None
+        assert v.status == "completed"
+        assert v.review_status == "pending_review"
+        assert v.generation_params == {}
+        assert v.video_fingerprint is None
+        assert v.is_duplicate is False
+        assert v.duplicate_of is None
+
+    def test_create_with_all_fields(self):
+        """带全部字段创建."""
+        v = GeneratedVideo.create(
+            project_id="proj1",
+            generation_task_id="task1",
+            name="  测试视频  ",
+            file_url="  https://cdn.example.com/v.mp4  ",
+            file_size=1024000,
+            duration=120.5,
+            width=1920,
+            height=1080,
+            fps=30.0,
+            thumbnail_url="https://cdn.example.com/thumb.jpg",
+            generation_params={"template": "tpl1", "bgm": "bgm1"},
+        )
+        assert v.name == "测试视频"  # strip
+        assert v.file_url == "https://cdn.example.com/v.mp4"  # strip
+        assert v.file_size == 1024000
+        assert v.duration == 120.5
+        assert v.width == 1920
+        assert v.height == 1080
+        assert v.fps == 30.0
+        assert v.thumbnail_url == "https://cdn.example.com/thumb.jpg"
+        assert v.generation_params == {"template": "tpl1", "bgm": "bgm1"}
+
+    def test_create_strips_fields(self):
+        """字符串字段会 strip."""
+        v = GeneratedVideo.create(
+            project_id="  p1  ",
+            generation_task_id="  t1  ",
+            name="  v  ",
+            file_url="  http://x/v  ",
+        )
+        assert v.project_id == "p1"
+        assert v.generation_task_id == "t1"
+        assert v.name == "v"
+        assert v.file_url == "http://x/v"
+
+    def test_create_empty_project_id(self):
+        """空 project_id 无效."""
+        try:
+            GeneratedVideo.create("", "t1", "v", "http://x/v")
+            assert False
+        except ValueError as e:
+            assert "project_id" in str(e)
+
+    def test_create_whitespace_project_id(self):
+        """纯空白 project_id 无效."""
+        try:
+            GeneratedVideo.create("   ", "t1", "v", "http://x/v")
+            assert False
+        except ValueError as e:
+            assert "project_id" in str(e)
+
+    def test_create_empty_task_id(self):
+        """空 generation_task_id 无效."""
+        try:
+            GeneratedVideo.create("p1", "", "v", "http://x/v")
+            assert False
+        except ValueError as e:
+            assert "generation_task_id" in str(e)
+
+    def test_create_empty_name(self):
+        """空 name 无效."""
+        try:
+            GeneratedVideo.create("p1", "t1", "", "http://x/v")
+            assert False
+        except ValueError as e:
+            assert "name" in str(e)
+
+    def test_create_empty_file_url(self):
+        """空 file_url 无效."""
+        try:
+            GeneratedVideo.create("p1", "t1", "v", "")
+            assert False
+        except ValueError as e:
+            assert "file_url" in str(e)
+
+    def test_create_whitespace_file_url(self):
+        """纯空白 file_url 无效."""
+        try:
+            GeneratedVideo.create("p1", "t1", "v", "   ")
+            assert False
+        except ValueError as e:
+            assert "file_url" in str(e)
+
+    def test_create_generation_params_none_defaults_empty(self):
+        """generation_params=None 默认为空 dict."""
+        v = GeneratedVideo.create("p1", "t1", "v", "http://x/v", generation_params=None)
+        assert v.generation_params == {}
+
+    def test_create_unique_id(self):
+        """不同视频 id 不同."""
+        v1 = GeneratedVideo.create("p", "t", "v", "http://x/v")
+        v2 = GeneratedVideo.create("p", "t", "v", "http://x/v")
+        assert v1.id != v2.id
+
+    def test_create_has_timestamps(self):
+        """有生成和创建时间."""
+        v = GeneratedVideo.create("p", "t", "v", "http://x/v")
+        assert v.generated_at is not None
+        assert v.created_at is not None
+
+    def test_zero_dimensions_valid(self):
+        """宽高为 0 合法（未指定分辨率）."""
+        v = GeneratedVideo.create("p", "t", "v", "http://x/v", width=0, height=0)
+        assert v.width == 0
+        assert v.height == 0
+
+    def test_zero_fps_valid(self):
+        """fps 为 0 合法."""
+        v = GeneratedVideo.create("p", "t", "v", "http://x/v", fps=0.0)
+        assert v.fps == 0.0
+
+    def test_generation_params_independent(self):
+        """不同实例的 generation_params 独立."""
+        v1 = GeneratedVideo.create("p", "t", "v", "http://x/v")
+        v2 = GeneratedVideo.create("p", "t", "v", "http://x/v")
+        v1.generation_params["key"] = "value"
+        assert "key" not in v2.generation_params

tests/unit/domain/test_generation_task.py

@@ -0,0 +1,208 @@
+"""generation_task 单测.
+
+domain 层生成任务实体纯逻辑模块，0 外部依赖。
+覆盖：枚举、create工厂/校验、列表拷贝。
+"""
+
+from __future__ import annotations
+
+from packages.domain.generation_task import GenerationTask, GenerationTaskStatus
+
+
+class TestGenerationTaskStatus:
+    """GenerationTaskStatus 枚举测试."""
+
+    def test_five_statuses(self):
+        """五种状态."""
+        assert len(GenerationTaskStatus) == 5
+
+    def test_pending(self):
+        assert GenerationTaskStatus.PENDING == "pending"
+
+    def test_running(self):
+        assert GenerationTaskStatus.RUNNING == "running"
+
+    def test_completed(self):
+        assert GenerationTaskStatus.COMPLETED == "completed"
+
+    def test_failed(self):
+        assert GenerationTaskStatus.FAILED == "failed"
+
+    def test_cancelled(self):
+        assert GenerationTaskStatus.CANCELLED == "cancelled"
+
+
+class TestGenerationTaskCreate:
+    """GenerationTask.create 工厂测试."""
+
+    def test_create_minimal(self):
+        """最简创建（project_id + asset_library_id）."""
+        task = GenerationTask.create(project_id="proj1", asset_library_id="lib1")
+        assert task.project_id == "proj1"
+        assert task.asset_library_id == "lib1"
+        assert task.status == GenerationTaskStatus.PENDING
+        assert task.progress == 0.0
+        assert task.result_count == 0
+        assert task.error_message == ""
+        assert task.asset_ids == []
+        assert task.title_ids == []
+        assert task.voice_ids == []
+        assert isinstance(task.id, str)
+        assert len(task.id) > 0
+
+    def test_create_with_all_fields(self):
+        """带全部字段创建."""
+        task = GenerationTask.create(
+            project_id="  proj1  ",
+            asset_library_id="  lib1  ",
+            strategy_id="  strat1  ",
+            voice_library_id="  vlib1  ",
+            template_id="  tpl1  ",
+            asset_ids=["a1", "a2", "a3"],
+            title_ids=["t1", "t2"],
+            voice_ids=["v1"],
+            created_by_user_id="  user1  ",
+            source_edit_plan_id="  plan1  ",
+            asset_select_mode="random",
+            batch_id="batch1",
+        )
+        assert task.project_id == "proj1"
+        assert task.asset_library_id == "lib1"
+        assert task.strategy_id == "strat1"
+        assert task.voice_library_id == "vlib1"
+        assert task.template_id == "tpl1"
+        assert task.asset_ids == ["a1", "a2", "a3"]
+        assert task.title_ids == ["t1", "t2"]
+        assert task.voice_ids == ["v1"]
+        assert task.created_by_user_id == "user1"
+        assert task.source_edit_plan_id == "plan1"
+        assert task.asset_select_mode == "random"
+        assert task.batch_id == "batch1"
+
+    def test_create_with_template_instead_of_project(self):
+        """有 template_id 但 project_id 为空也可以."""
+        task = GenerationTask.create(
+            project_id="",
+            asset_library_id="lib1",
+            template_id="tpl1",
+        )
+        assert task.template_id == "tpl1"
+        assert task.project_id == ""
+
+    def test_create_neither_project_nor_template(self):
+        """project_id 和 template_id 都为空，抛错."""
+        try:
+            GenerationTask.create(project_id="", asset_library_id="lib1")
+            assert False
+        except ValueError as e:
+            assert "project_id" in str(e) and "template_id" in str(e)
+
+    def test_create_whitespace_project_and_template(self):
+        """都是空白也抛错."""
+        try:
+            GenerationTask.create(project_id="   ", asset_library_id="lib1", template_id="   ")
+            assert False
+        except ValueError as e:
+            assert "project_id" in str(e) and "template_id" in str(e)
+
+    def test_create_no_asset_library_and_no_ids(self):
+        """asset_library_id 为空且没有素材列表，抛错."""
+        try:
+            GenerationTask.create(project_id="p1", asset_library_id="")
+            assert False
+        except ValueError as e:
+            assert "asset_library_id" in str(e)
+
+    def test_create_whitespace_asset_library_and_no_ids(self):
+        """空白 asset_library 且无素材列表，抛错."""
+        try:
+            GenerationTask.create(project_id="p1", asset_library_id="   ")
+            assert False
+        except ValueError as e:
+            assert "asset_library_id" in str(e)
+
+    def test_create_with_asset_ids_instead_of_library(self):
+        """用 asset_ids 替代 asset_library_id."""
+        task = GenerationTask.create(
+            project_id="p1",
+            asset_library_id="",
+            asset_ids=["a1", "a2"],
+        )
+        assert task.asset_library_id == ""
+        assert task.asset_ids == ["a1", "a2"]
+
+    def test_create_with_title_ids_instead_of_library(self):
+        """用 title_ids 替代 asset_library_id."""
+        task = GenerationTask.create(
+            project_id="p1",
+            asset_library_id="",
+            title_ids=["t1"],
+        )
+        assert task.title_ids == ["t1"]
+
+    def test_create_with_voice_ids_instead_of_library(self):
+        """用 voice_ids 替代 asset_library_id."""
+        task = GenerationTask.create(
+            project_id="p1",
+            asset_library_id="",
+            voice_ids=["v1"],
+        )
+        assert task.voice_ids == ["v1"]
+
+    def test_create_asset_ids_copied(self):
+        """asset_ids 是拷贝不是引用."""
+        original = ["a1", "a2"]
+        task = GenerationTask.create(project_id="p1", asset_library_id="lib1", asset_ids=original)
+        original.append("a3")
+        assert task.asset_ids == ["a1", "a2"]
+
+    def test_create_title_ids_copied(self):
+        """title_ids 是拷贝不是引用."""
+        original = ["t1"]
+        task = GenerationTask.create(project_id="p1", asset_library_id="lib1", title_ids=original)
+        original.append("t2")
+        assert task.title_ids == ["t1"]
+
+    def test_create_voice_ids_copied(self):
+        """voice_ids 是拷贝不是引用."""
+        original = ["v1"]
+        task = GenerationTask.create(project_id="p1", asset_library_id="lib1", voice_ids=original)
+        original.append("v2")
+        assert task.voice_ids == ["v1"]
+
+    def test_create_none_lists_default_empty(self):
+        """None 列表默认为空."""
+        task = GenerationTask.create(
+            project_id="p1",
+            asset_library_id="lib1",
+            asset_ids=None,
+            title_ids=None,
+            voice_ids=None,
+        )
+        assert task.asset_ids == []
+        assert task.title_ids == []
+        assert task.voice_ids == []
+
+    def test_create_unique_id(self):
+        """不同任务 id 不同."""
+        t1 = GenerationTask.create("p", "l")
+        t2 = GenerationTask.create("p", "l")
+        assert t1.id != t2.id
+
+    def test_create_has_created_at(self):
+        """有创建时间."""
+        task = GenerationTask.create("p", "l")
+        assert task.created_at is not None
+
+    def test_create_defaults_started_completed_none(self):
+        """started_at 和 completed_at 默认 None."""
+        task = GenerationTask.create("p", "l")
+        assert task.started_at is None
+        assert task.completed_at is None
+
+    def test_empty_lists_independent(self):
+        """不同任务的空列表互不影响."""
+        t1 = GenerationTask.create("p", "l")
+        t2 = GenerationTask.create("p", "l")
+        t1.asset_ids.append("x")
+        assert t2.asset_ids == []

tests/unit/domain/test_quota.py

@@ -0,0 +1,575 @@
+"""quota 单测.
+
+domain 层配额系统纯逻辑模块，0 外部依赖。
+覆盖：枚举常量、QuotaTier、QUOTA_TIERS常量、QuotaWarningLevel、
+QuotaCheckResult、QuotaRegistry注册/查询、QuotaChecker检查/告警级别。
+"""
+
+from __future__ import annotations
+
+import math
+
+from packages.domain.quota import (
+    QUOTA_TIERS,
+    QuotaCheckResult,
+    QuotaChecker,
+    QuotaDimension,
+    QuotaRegistry,
+    QuotaTier,
+    QuotaWarningLevel,
+    get_warning_level,
+    quota_checker,
+    quota_registry,
+)
+
+
+class TestQuotaDimension:
+    """QuotaDimension 枚举测试."""
+
+    def test_member_count(self):
+        """内置维度数量."""
+        assert len(QuotaDimension) == 11
+
+    def test_storage_gb(self):
+        """存储维度值."""
+        assert QuotaDimension.STORAGE_GB.value == "storage_gb"
+
+    def test_videos_per_month(self):
+        """每月视频数维度."""
+        assert QuotaDimension.VIDEOS_PER_MONTH.value == "videos_per_month"
+
+    def test_max_concurrent(self):
+        """并发数维度."""
+        assert QuotaDimension.MAX_CONCURRENT.value == "max_concurrent"
+
+    def test_max_templates(self):
+        """模板数维度."""
+        assert QuotaDimension.MAX_TEMPLATES.value == "max_templates"
+
+    def test_max_titles(self):
+        """标题库维度."""
+        assert QuotaDimension.MAX_TITLES.value == "max_titles"
+
+    def test_max_voiceovers(self):
+        """配音库维度."""
+        assert QuotaDimension.MAX_VOICEOVERS.value == "max_voiceovers"
+
+    def test_ai_voice_enabled(self):
+        """AI配音开关维度."""
+        assert QuotaDimension.AI_VOICE_ENABLED.value == "ai_voice_enabled"
+
+    def test_ai_voice_credits(self):
+        """AI配音积分维度."""
+        assert QuotaDimension.AI_VOICE_CREDITS.value == "ai_voice_credits"
+
+    def test_all_values_are_strings(self):
+        """所有枚举值都是字符串."""
+        for dim in QuotaDimension:
+            assert isinstance(dim.value, str)
+            assert len(dim.value) > 0
+
+
+class TestQuotaTier:
+    """QuotaTier 数据类测试."""
+
+    def test_create_empty(self):
+        """创建空配额等级."""
+        tier = QuotaTier(name="test")
+        assert tier.name == "test"
+        assert tier.limits == {}
+
+    def test_create_with_limits(self):
+        """创建带限制的配额等级."""
+        tier = QuotaTier(name="pro", limits={"storage": 100, "videos": 50})
+        assert tier.name == "pro"
+        assert tier.get_limit("storage") == 100
+        assert tier.get_limit("videos") == 50
+
+    def test_get_limit_undefined_returns_zero(self):
+        """未定义的维度返回 0."""
+        tier = QuotaTier(name="test")
+        assert tier.get_limit("nonexistent") == 0
+
+    def test_is_unlimited_inf(self):
+        """inf 视为不限量."""
+        tier = QuotaTier(name="test", limits={"templates": float("inf")})
+        assert tier.is_unlimited("templates") is True
+
+    def test_is_unlimited_finite(self):
+        """有限值不是不限量."""
+        tier = QuotaTier(name="test", limits={"storage": 100})
+        assert tier.is_unlimited("storage") is False
+
+    def test_is_unlimited_undefined(self):
+        """未定义的维度默认不限量."""
+        tier = QuotaTier(name="test")
+        # 未定义的 key 取默认值 inf，因此 is_unlimited 应该返回 True
+        assert tier.is_unlimited("unknown") is True
+
+
+class TestQuotaTiers:
+    """QUOTA_TIERS 常量测试."""
+
+    def test_three_tiers_exist(self):
+        """三个套餐等级都存在."""
+        assert "free" in QUOTA_TIERS
+        assert "basic" in QUOTA_TIERS
+        assert "premium" in QUOTA_TIERS
+
+    def test_free_storage(self):
+        """免费版 2GB 存储."""
+        assert QUOTA_TIERS["free"].get_limit(QuotaDimension.STORAGE_GB) == 2
+
+    def test_free_videos_per_month(self):
+        """免费版 5个视频/月."""
+        assert QUOTA_TIERS["free"].get_limit(QuotaDimension.VIDEOS_PER_MONTH) == 5
+
+    def test_free_ai_voice_disabled(self):
+        """免费版无AI配音."""
+        assert QUOTA_TIERS["free"].get_limit(QuotaDimension.AI_VOICE_ENABLED) == 0
+
+    def test_basic_storage(self):
+        """基础版 20GB 存储."""
+        assert QUOTA_TIERS["basic"].get_limit(QuotaDimension.STORAGE_GB) == 20
+
+    def test_basic_videos(self):
+        """基础版 30视频/月."""
+        assert QUOTA_TIERS["basic"].get_limit(QuotaDimension.VIDEOS_PER_MONTH) == 30
+
+    def test_basic_ai_voice_enabled(self):
+        """基础版有AI配音."""
+        assert QUOTA_TIERS["basic"].get_limit(QuotaDimension.AI_VOICE_ENABLED) == 1
+
+    def test_basic_ai_voice_credits(self):
+        """基础版 100 AI配音积分."""
+        assert QUOTA_TIERS["basic"].get_limit(QuotaDimension.AI_VOICE_CREDITS) == 100
+
+    def test_premium_storage(self):
+        """高级版 100GB 存储."""
+        assert QUOTA_TIERS["premium"].get_limit(QuotaDimension.STORAGE_GB) == 100
+
+    def test_premium_videos(self):
+        """高级版 100视频/月."""
+        assert QUOTA_TIERS["premium"].get_limit(QuotaDimension.VIDEOS_PER_MONTH) == 100
+
+    def test_premium_templates_unlimited(self):
+        """高级版模板不限量."""
+        assert QUOTA_TIERS["premium"].is_unlimited(QuotaDimension.MAX_TEMPLATES)
+
+    def test_premium_multi_platform_enabled(self):
+        """高级版多平台发布."""
+        assert QUOTA_TIERS["premium"].get_limit(QuotaDimension.MULTI_PLATFORM_ENABLED) == 1
+
+    def test_storage_monotonic(self):
+        """存储量随套餐升级单调递增."""
+        free = QUOTA_TIERS["free"].get_limit(QuotaDimension.STORAGE_GB)
+        basic = QUOTA_TIERS["basic"].get_limit(QuotaDimension.STORAGE_GB)
+        premium = QUOTA_TIERS["premium"].get_limit(QuotaDimension.STORAGE_GB)
+        assert free < basic < premium
+
+    def test_videos_monotonic(self):
+        """视频数随套餐升级单调递增."""
+        free = QUOTA_TIERS["free"].get_limit(QuotaDimension.VIDEOS_PER_MONTH)
+        basic = QUOTA_TIERS["basic"].get_limit(QuotaDimension.VIDEOS_PER_MONTH)
+        premium = QUOTA_TIERS["premium"].get_limit(QuotaDimension.VIDEOS_PER_MONTH)
+        assert free < basic < premium
+
+
+class TestQuotaWarningLevel:
+    """告警级别常量测试."""
+
+    def test_levels_defined(self):
+        """四个级别都有定义."""
+        assert QuotaWarningLevel.NORMAL == "normal"
+        assert QuotaWarningLevel.WARNING == "warning"
+        assert QuotaWarningLevel.CRITICAL == "critical"
+        assert QuotaWarningLevel.EXCEEDED == "exceeded"
+
+    def test_four_distinct_levels(self):
+        """四个级别各不相同."""
+        levels = {
+            QuotaWarningLevel.NORMAL,
+            QuotaWarningLevel.WARNING,
+            QuotaWarningLevel.CRITICAL,
+            QuotaWarningLevel.EXCEEDED,
+        }
+        assert len(levels) == 4
+
+
+class TestQuotaCheckResult:
+    """QuotaCheckResult 测试."""
+
+    def test_usage_percent_normal(self):
+        """正常使用百分比."""
+        result = QuotaCheckResult(
+            allowed=True,
+            dimension="storage",
+            limit=100,
+            used=30,
+            remaining=70,
+            warning_level=QuotaWarningLevel.NORMAL,
+        )
+        assert result.usage_percent == 30.0
+
+    def test_usage_percent_zero_used(self):
+        """使用量为 0."""
+        result = QuotaCheckResult(
+            allowed=True,
+            dimension="storage",
+            limit=100,
+            used=0,
+            remaining=100,
+            warning_level=QuotaWarningLevel.NORMAL,
+        )
+        assert result.usage_percent == 0.0
+
+    def test_usage_percent_exactly_100(self):
+        """刚好用完."""
+        result = QuotaCheckResult(
+            allowed=False,
+            dimension="storage",
+            limit=100,
+            used=100,
+            remaining=0,
+            warning_level=QuotaWarningLevel.EXCEEDED,
+        )
+        assert result.usage_percent == 100.0
+
+    def test_usage_percent_over_limit_capped(self):
+        """超出限制时封顶 100%."""
+        result = QuotaCheckResult(
+            allowed=False,
+            dimension="storage",
+            limit=100,
+            used=150,
+            remaining=0,
+            warning_level=QuotaWarningLevel.EXCEEDED,
+        )
+        assert result.usage_percent == 100.0
+
+    def test_usage_percent_unlimited(self):
+        """不限量时使用率为 0."""
+        result = QuotaCheckResult(
+            allowed=True,
+            dimension="templates",
+            limit=float("inf"),
+            used=1000,
+            remaining=float("inf"),
+            warning_level=QuotaWarningLevel.NORMAL,
+        )
+        assert result.usage_percent == 0.0
+
+    def test_usage_percent_zero_limit_with_usage(self):
+        """限制为 0 但有使用量，返回 100%."""
+        result = QuotaCheckResult(
+            allowed=False,
+            dimension="ai_voice",
+            limit=0,
+            used=1,
+            remaining=0,
+            warning_level=QuotaWarningLevel.EXCEEDED,
+        )
+        assert result.usage_percent == 100.0
+
+    def test_usage_percent_zero_limit_no_usage(self):
+        """限制为 0 且无使用量，返回 0%."""
+        result = QuotaCheckResult(
+            allowed=True,
+            dimension="ai_voice",
+            limit=0,
+            used=0,
+            remaining=0,
+            warning_level=QuotaWarningLevel.NORMAL,
+        )
+        assert result.usage_percent == 0.0
+
+
+class TestGetWarningLevel:
+    """get_warning_level 便捷函数测试."""
+
+    def test_zero_usage(self):
+        """0% 使用 - normal."""
+        assert get_warning_level(0, 100) == QuotaWarningLevel.NORMAL
+
+    def test_below_80_percent(self):
+        """低于80% - normal."""
+        assert get_warning_level(50, 100) == QuotaWarningLevel.NORMAL
+        assert get_warning_level(79, 100) == QuotaWarningLevel.NORMAL
+
+    def test_at_80_percent(self):
+        """刚好80% - warning."""
+        assert get_warning_level(80, 100) == QuotaWarningLevel.WARNING
+
+    def test_between_80_and_95(self):
+        """80%-95%之间 - warning."""
+        assert get_warning_level(90, 100) == QuotaWarningLevel.WARNING
+
+    def test_at_95_percent(self):
+        """刚好95% - critical."""
+        assert get_warning_level(95, 100) == QuotaWarningLevel.CRITICAL
+
+    def test_between_95_and_100(self):
+        """95%-100%之间 - critical."""
+        assert get_warning_level(99, 100) == QuotaWarningLevel.CRITICAL
+
+    def test_at_100_percent(self):
+        """刚好100% - exceeded."""
+        assert get_warning_level(100, 100) == QuotaWarningLevel.EXCEEDED
+
+    def test_over_100_percent(self):
+        """超过100% - exceeded."""
+        assert get_warning_level(150, 100) == QuotaWarningLevel.EXCEEDED
+
+    def test_zero_limit_with_usage(self):
+        """限制为0但有使用 - exceeded."""
+        assert get_warning_level(1, 0) == QuotaWarningLevel.EXCEEDED
+
+    def test_zero_limit_no_usage(self):
+        """限制为0且无使用 - normal."""
+        assert get_warning_level(0, 0) == QuotaWarningLevel.NORMAL
+
+    def test_unlimited(self):
+        """不限量 - 始终 normal."""
+        assert get_warning_level(0, float("inf")) == QuotaWarningLevel.NORMAL
+        assert get_warning_level(9999, float("inf")) == QuotaWarningLevel.NORMAL
+
+    def test_negative_usage(self):
+        """负使用量 - normal."""
+        assert get_warning_level(-10, 100) == QuotaWarningLevel.NORMAL
+
+
+class TestQuotaRegistry:
+    """QuotaRegistry 测试."""
+
+    def test_initial_dimensions(self):
+        """初始化后内置维度都在."""
+        reg = QuotaRegistry()
+        dims = reg.list_dimensions()
+        for dim in QuotaDimension:
+            assert dim.value in dims
+
+    def test_initial_dimensions_count(self):
+        """初始维度数量等于枚举数量."""
+        reg = QuotaRegistry()
+        assert len(reg.list_dimensions()) == len(QuotaDimension)
+
+    def test_list_tiers(self):
+        """三个套餐等级."""
+        reg = QuotaRegistry()
+        tiers = reg.list_tiers()
+        assert "free" in tiers
+        assert "basic" in tiers
+        assert "premium" in tiers
+        assert len(tiers) == 3
+
+    def test_get_tier_existing(self):
+        """获取已有的套餐."""
+        reg = QuotaRegistry()
+        tier = reg.get_tier("free")
+        assert tier is not None
+        assert tier.name == "free"
+
+    def test_get_tier_nonexistent(self):
+        """获取不存在的套餐返回 None."""
+        reg = QuotaRegistry()
+        assert reg.get_tier("enterprise") is None
+
+    def test_get_limit_existing(self):
+        """获取已有限制."""
+        reg = QuotaRegistry()
+        assert reg.get_limit("free", QuotaDimension.STORAGE_GB) == 2
+
+    def test_get_limit_nonexistent_plan(self):
+        """不存在的套餐返回 0."""
+        reg = QuotaRegistry()
+        assert reg.get_limit("enterprise", QuotaDimension.STORAGE_GB) == 0
+
+    def test_get_limit_unknown_dimension(self):
+        """未知维度返回 0."""
+        reg = QuotaRegistry()
+        assert reg.get_limit("free", "unknown_dim") == 0
+
+    def test_register_dimension_new(self):
+        """注册新维度."""
+        reg = QuotaRegistry()
+        count_before = len(reg.list_dimensions())
+        reg.register_dimension("custom_dim", "自定义维度")
+        dims = reg.list_dimensions()
+        assert "custom_dim" in dims
+        assert len(dims) == count_before + 1
+
+    def test_register_dimension_with_default_limits(self):
+        """注册带默认限制的维度."""
+        reg = QuotaRegistry()
+        reg.register_dimension(
+            "api_calls",
+            "API调用次数",
+            default_limits={"free": 100, "basic": 1000, "premium": 10000},
+        )
+        assert reg.get_limit("free", "api_calls") == 100
+        assert reg.get_limit("basic", "api_calls") == 1000
+        assert reg.get_limit("premium", "api_calls") == 10000
+
+    def test_register_dimension_default_zero(self):
+        """不带默认限制的维度，各套餐默认为 0."""
+        reg = QuotaRegistry()
+        reg.register_dimension("beta_feature", "测试功能")
+        assert reg.get_limit("free", "beta_feature") == 0
+        assert reg.get_limit("basic", "beta_feature") == 0
+        assert reg.get_limit("premium", "beta_feature") == 0
+
+    def test_register_dimension_idempotent(self):
+        """重复注册幂等."""
+        reg = QuotaRegistry()
+        reg.register_dimension("dup", "重复测试", default_limits={"free": 10})
+        count_before = len(reg.list_dimensions())
+        # 第二次注册不同的限制，应该不生效
+        reg.register_dimension("dup", "重复测试2", default_limits={"free": 999})
+        count_after = len(reg.list_dimensions())
+        assert count_before == count_after
+        assert reg.get_limit("free", "dup") == 10  # 仍然是第一次的值
+
+    def test_list_dimensions_returns_copy(self):
+        """list_dimensions 返回副本，修改不影响内部."""
+        reg = QuotaRegistry()
+        dims = reg.list_dimensions()
+        dims["hacked"] = "hack"
+        assert "hacked" not in reg.list_dimensions()
+
+    def test_register_partial_default_limits(self):
+        """只给部分套餐设置默认限制."""
+        reg = QuotaRegistry()
+        reg.register_dimension(
+            "partial",
+            "部分套餐",
+            default_limits={"premium": 100},
+        )
+        assert reg.get_limit("free", "partial") == 0
+        assert reg.get_limit("basic", "partial") == 0
+        assert reg.get_limit("premium", "partial") == 100
+
+
+class TestQuotaChecker:
+    """QuotaChecker 测试."""
+
+    def test_check_within_limit(self):
+        """在限制内，allowed=True."""
+        checker = QuotaChecker()
+        result = checker.check("free", QuotaDimension.STORAGE_GB, 1)
+        assert result.allowed is True
+        assert result.dimension == QuotaDimension.STORAGE_GB
+        assert result.limit == 2
+        assert result.used == 1
+        assert result.remaining == 1
+        assert result.warning_level == QuotaWarningLevel.NORMAL
+
+    def test_check_exceeded(self):
+        """超出限制，allowed=False."""
+        checker = QuotaChecker()
+        result = checker.check("free", QuotaDimension.STORAGE_GB, 3)
+        assert result.allowed is False
+        assert result.remaining == 0
+        assert result.warning_level == QuotaWarningLevel.EXCEEDED
+
+    def test_check_exactly_at_limit(self):
+        """刚好等于限制视为超出（used < limit 才允许）."""
+        checker = QuotaChecker()
+        result = checker.check("free", QuotaDimension.STORAGE_GB, 2)
+        assert result.allowed is False
+
+    def test_check_unlimited(self):
+        """不限量维度."""
+        checker = QuotaChecker()
+        result = checker.check("premium", QuotaDimension.MAX_TEMPLATES, 999)
+        assert result.allowed is True
+        assert math.isinf(result.remaining)
+        assert result.warning_level == QuotaWarningLevel.NORMAL
+
+    def test_check_warning_level_boundaries(self):
+        """各告警级别的边界值."""
+        checker = QuotaChecker()
+        # 79% - normal
+        assert checker.check("free", QuotaDimension.STORAGE_GB, 1.58).warning_level == QuotaWarningLevel.NORMAL
+        # 80% - warning
+        assert checker.check("free", QuotaDimension.STORAGE_GB, 1.6).warning_level == QuotaWarningLevel.WARNING
+        # 95% - critical
+        assert checker.check("free", QuotaDimension.STORAGE_GB, 1.9).warning_level == QuotaWarningLevel.CRITICAL
+        # 100% - exceeded
+        assert checker.check("free", QuotaDimension.STORAGE_GB, 2).warning_level == QuotaWarningLevel.EXCEEDED
+
+    def test_check_zero_usage(self):
+        """0使用量."""
+        checker = QuotaChecker()
+        result = checker.check("basic", QuotaDimension.VIDEOS_PER_MONTH, 0)
+        assert result.allowed is True
+        assert result.remaining == 30
+        assert result.usage_percent == 0.0
+
+    def test_check_unknown_plan(self):
+        """未知套餐，限制为0."""
+        checker = QuotaChecker()
+        result = checker.check("enterprise", QuotaDimension.STORAGE_GB, 0)
+        assert result.limit == 0
+        # used=0, limit=0 → 0 < 0 is False → allowed=False
+        assert result.allowed is False
+        assert result.warning_level == QuotaWarningLevel.NORMAL
+
+    def test_check_unknown_dimension(self):
+        """未知维度，限制为0."""
+        checker = QuotaChecker()
+        result = checker.check("free", "unknown", 0)
+        assert result.limit == 0
+
+    def test_check_multiple(self):
+        """批量检查多个维度."""
+        checker = QuotaChecker()
+        usage = {
+            QuotaDimension.STORAGE_GB: 1,
+            QuotaDimension.VIDEOS_PER_MONTH: 10,
+        }
+        results = checker.check_multiple("free", usage)
+        assert len(results) == 2
+        dims = {r.dimension for r in results}
+        assert QuotaDimension.STORAGE_GB in dims
+        assert QuotaDimension.VIDEOS_PER_MONTH in dims
+
+    def test_check_multiple_empty(self):
+        """空字典返回空列表."""
+        checker = QuotaChecker()
+        results = checker.check_multiple("free", {})
+        assert results == []
+
+    def test_remaining_never_negative(self):
+        """剩余量不为负."""
+        checker = QuotaChecker()
+        result = checker.check("free", QuotaDimension.STORAGE_GB, 100)
+        assert result.remaining >= 0
+
+    def test_custom_registry(self):
+        """使用自定义 registry."""
+        reg = QuotaRegistry()
+        reg.register_dimension("custom", "自定义", default_limits={"free": 42})
+        checker = QuotaChecker(reg)
+        result = checker.check("free", "custom", 10)
+        assert result.limit == 42
+        assert result.allowed is True
+
+
+class TestGlobalSingletons:
+    """全局单例测试."""
+
+    def test_quota_registry_exists(self):
+        """全局 registry 单例存在."""
+        assert quota_registry is not None
+        assert isinstance(quota_registry, QuotaRegistry)
+
+    def test_quota_checker_exists(self):
+        """全局 checker 单例存在."""
+        assert quota_checker is not None
+        assert isinstance(quota_checker, QuotaChecker)
+
+    def test_global_checker_works(self):
+        """全局 checker 能正常工作."""
+        result = quota_checker.check("free", QuotaDimension.STORAGE_GB, 1)
+        assert result.allowed is True
+        assert result.limit == 2