test(unit): 新增 classification/generated_video 两个模块测试

- classification: 12 个测试（枚举 + ClassificationJob 工厂方法）
- generated_video: 11 个测试（工厂方法 + 参数校验）

tests/unit/test_classification_domain.py

@@ -0,0 +1,105 @@
+"""classification 模块单元测试."""
+
+import pytest
+
+from domain.classification import (
+    AssetClassification,
+    AssetLibraryKind,
+    ClassificationJob,
+    ClassificationJobStatus,
+    IngestJobStatus,
+)
+
+
+class TestAssetLibraryKind:
+    """AssetLibraryKind 枚举测试."""
+
+    def test_values(self):
+        assert AssetLibraryKind.VIDEO == "video"
+        assert AssetLibraryKind.VOICE == "voice"
+
+
+class TestIngestJobStatus:
+    """IngestJobStatus 枚举测试."""
+
+    def test_values(self):
+        assert IngestJobStatus.PENDING == "pending"
+        assert IngestJobStatus.PROCESSING == "processing"
+        assert IngestJobStatus.COMPLETED == "completed"
+        assert IngestJobStatus.FAILED == "failed"
+
+
+class TestClassificationJobStatus:
+    """ClassificationJobStatus 枚举测试."""
+
+    def test_values(self):
+        assert ClassificationJobStatus.PENDING == "pending"
+        assert ClassificationJobStatus.PROCESSING == "processing"
+        assert ClassificationJobStatus.COMPLETED == "completed"
+        assert ClassificationJobStatus.FAILED == "failed"
+
+
+class TestAssetClassification:
+    """AssetClassification 枚举测试."""
+
+    def test_values(self):
+        assert AssetClassification.SCENIC == "scenic"
+        assert AssetClassification.PRODUCT == "product"
+        assert AssetClassification.PERSON == "person"
+        assert AssetClassification.ANIMAL == "animal"
+        assert AssetClassification.FOOD == "food"
+        assert AssetClassification.TECH == "tech"
+        assert AssetClassification.SPORT == "sport"
+        assert AssetClassification.MUSIC == "music"
+        assert AssetClassification.OTHER == "other"
+
+
+class TestClassificationJobCreate:
+    """ClassificationJob.create 工厂方法测试."""
+
+    def test_create_with_valid_params(self):
+        job = ClassificationJob.create(project_id="proj_001", asset_id="asset_001")
+        assert job.id
+        assert len(job.id) == 32
+        assert job.project_id == "proj_001"
+        assert job.asset_id == "asset_001"
+        assert job.status == ClassificationJobStatus.PENDING
+        assert job.classification == ""
+        assert job.confidence == 0.0
+        assert job.error_message == ""
+        assert job.created_at is not None
+        assert job.updated_at is not None
+
+    def test_create_strips_strings(self):
+        job = ClassificationJob.create(
+            project_id="  proj_002  ",
+            asset_id="  asset_002  ",
+        )
+        assert job.project_id == "proj_002"
+        assert job.asset_id == "asset_002"
+
+    def test_create_empty_project_id_raises(self):
+        with pytest.raises(ValueError, match="project_id"):
+            ClassificationJob.create(project_id="", asset_id="a")
+
+    def test_create_whitespace_project_id_raises(self):
+        with pytest.raises(ValueError, match="project_id"):
+            ClassificationJob.create(project_id="   ", asset_id="a")
+
+    def test_create_empty_asset_id_raises(self):
+        with pytest.raises(ValueError, match="asset_id"):
+            ClassificationJob.create(project_id="p", asset_id="")
+
+    def test_create_whitespace_asset_id_raises(self):
+        with pytest.raises(ValueError, match="asset_id"):
+            ClassificationJob.create(project_id="p", asset_id="   ")
+
+    def test_create_ids_are_unique(self):
+        j1 = ClassificationJob.create(project_id="p", asset_id="a")
+        j2 = ClassificationJob.create(project_id="p", asset_id="b")
+        assert j1.id != j2.id
+
+    def test_create_timestamps_are_utc(self):
+        job = ClassificationJob.create(project_id="p", asset_id="a")
+        assert job.created_at.tzinfo is not None
+        assert job.updated_at.tzinfo is not None

tests/unit/test_generated_video_domain.py

@@ -0,0 +1,148 @@
+"""generated_video 领域模型单元测试."""
+
+import pytest
+
+from domain.generated_video import GeneratedVideo
+
+
+class TestGeneratedVideoCreate:
+    """GeneratedVideo.create 工厂方法测试."""
+
+    def test_create_with_required_fields(self):
+        video = GeneratedVideo.create(
+            project_id="proj_001",
+            generation_task_id="task_001",
+            name="测试视频",
+            file_url="https://example.com/out.mp4",
+        )
+        assert video.id
+        assert len(video.id) == 32
+        assert video.project_id == "proj_001"
+        assert video.generation_task_id == "task_001"
+        assert video.name == "测试视频"
+        assert video.file_url == "https://example.com/out.mp4"
+        # 默认值
+        assert video.user_id == ""
+        assert video.file_size == 0
+        assert video.duration == 0.0
+        assert video.width == 0
+        assert video.height == 0
+        assert video.fps == 0.0
+        assert video.thumbnail_url is None
+        assert video.status == "completed"
+        assert video.review_status == "pending_review"
+        assert video.generation_params == {}
+        assert video.video_fingerprint is None
+        assert video.is_duplicate is False
+        assert video.duplicate_of is None
+        assert video.generated_at is not None
+        assert video.created_at is not None
+
+    def test_create_with_all_fields(self):
+        video = GeneratedVideo.create(
+            project_id="proj_002",
+            generation_task_id="task_002",
+            name="完整视频",
+            file_url="https://example.com/full.mp4",
+            user_id="user_001",
+            file_size=1024000,
+            duration=30.5,
+            width=1920,
+            height=1080,
+            fps=30.0,
+            thumbnail_url="https://example.com/thumb.jpg",
+            generation_params={"quality": "high"},
+        )
+        assert video.user_id == "user_001"
+        assert video.file_size == 1024000
+        assert video.duration == 30.5
+        assert video.width == 1920
+        assert video.height == 1080
+        assert video.fps == 30.0
+        assert video.thumbnail_url == "https://example.com/thumb.jpg"
+        assert video.generation_params == {"quality": "high"}
+
+    def test_create_strips_strings(self):
+        video = GeneratedVideo.create(
+            project_id="  proj_003  ",
+            generation_task_id="  task_003  ",
+            name="  测试视频  ",
+            file_url="  https://example.com/out.mp4  ",
+            user_id="  user_003  ",
+        )
+        assert video.project_id == "proj_003"
+        assert video.generation_task_id == "task_003"
+        assert video.name == "测试视频"
+        assert video.file_url == "https://example.com/out.mp4"
+        assert video.user_id == "user_003"
+
+    def test_create_empty_project_id_raises(self):
+        with pytest.raises(ValueError, match="project_id"):
+            GeneratedVideo.create(
+                project_id="",
+                generation_task_id="t",
+                name="n",
+                file_url="u",
+            )
+
+    def test_create_whitespace_project_id_raises(self):
+        with pytest.raises(ValueError, match="project_id"):
+            GeneratedVideo.create(
+                project_id="   ",
+                generation_task_id="t",
+                name="n",
+                file_url="u",
+            )
+
+    def test_create_empty_generation_task_id_raises(self):
+        with pytest.raises(ValueError, match="generation_task_id"):
+            GeneratedVideo.create(
+                project_id="p",
+                generation_task_id="",
+                name="n",
+                file_url="u",
+            )
+
+    def test_create_empty_name_raises(self):
+        with pytest.raises(ValueError, match="name"):
+            GeneratedVideo.create(
+                project_id="p",
+                generation_task_id="t",
+                name="",
+                file_url="u",
+            )
+
+    def test_create_empty_file_url_raises(self):
+        with pytest.raises(ValueError, match="file_url"):
+            GeneratedVideo.create(
+                project_id="p",
+                generation_task_id="t",
+                name="n",
+                file_url="",
+            )
+
+    def test_create_none_generation_params_defaults_to_empty_dict(self):
+        video = GeneratedVideo.create(
+            project_id="p",
+            generation_task_id="t",
+            name="n",
+            file_url="u",
+            generation_params=None,
+        )
+        assert video.generation_params == {}
+
+    def test_create_ids_are_unique(self):
+        v1 = GeneratedVideo.create(
+            project_id="p", generation_task_id="t1", name="n1", file_url="u1"
+        )
+        v2 = GeneratedVideo.create(
+            project_id="p", generation_task_id="t2", name="n2", file_url="u2"
+        )
+        assert v1.id != v2.id
+
+    def test_create_timestamps_are_utc(self):
+        video = GeneratedVideo.create(
+            project_id="p", generation_task_id="t", name="n", file_url="u"
+        )
+        assert video.created_at.tzinfo is not None
+        assert video.generated_at.tzinfo is not None