refactor(meta): make token parser state explicit

2026-09-05 23:47:41 +08:00 · 2026-08-25 09:03:24 +08:00
parent 1e3507ac59
commit 301d5e7dce
2 changed files with 341 additions and 246 deletions
@@ -0,0 +1,60 @@
+import pytest
+
+from app.domain.meta.metavideo import MetaVideo
+
+
+@pytest.mark.parametrize(
+    ("title", "expected"),
+    [
+        (
+            "Show S01E01 2026 1080p AMZN WEB DL H 265 10bit DDP 5 1 60FPS",
+            {
+                "begin_season": 1,
+                "begin_episode": 1,
+                "resource_type": "WEB-DL",
+                "web_source": "Amazon",
+                "video_encode": "H265 10bit",
+                "video_bit": "10bit",
+                "audio_encode": "DDP 5.1",
+                "fps": 60,
+            },
+        ),
+        (
+            "Movie 2026 2160p UHD Blu Ray REMUX HEVC DTS HD MA 5 1",
+            {
+                "begin_season": None,
+                "begin_episode": None,
+                "resource_type": "UHD BluRay REMUX",
+                "web_source": None,
+                "video_encode": "HEVC",
+                "video_bit": None,
+                "audio_encode": "DTS-HD MA 5.1",
+                "fps": None,
+            },
+        ),
+    ],
+)
+def test_metavideo_preserves_cross_token_transitions(title, expected):
+    """拆分资源和编码词元应通过显式历史状态连续识别。"""
+    meta = MetaVideo(title)
+
+    actual = {field: getattr(meta, field) for field in expected}
+    assert actual == expected
+
+
+def test_metavideo_keeps_transient_token_state_out_of_result_model():
+    """解析结果只承载媒体元数据，不泄漏词元管线的临时控制状态。"""
+    meta = MetaVideo("Show S01E01 2026 1080p WEB DL H 265 AAC 2 0")
+
+    transient_fields = {
+        "_continue_flag",
+        "_effect",
+        "_index",
+        "_last_token",
+        "_last_token_type",
+        "_sources",
+        "_stop_cnname_flag",
+        "_stop_name_flag",
+        "_unknown_name_str",
+    }
+    assert transient_fields.isdisjoint(vars(meta))