test: 第83波单测 - generated_video/verification/video_share (+55)

新增55个测试：
- generated_video +22（零值大值4K、unicode特殊字符、params独立性、状态切换等）
- verification_code +16（id hex/唯一性、slots、自定义code边界、ttl边界等）
- video_share +17（token边界长度、字母表校验、大计数、密码特殊字符unicode等）

tests/unit/test_generated_video_domain.py

@@ -194,3 +194,117 @@ class TestGeneratedVideoProperties:
         fingerprint = {"phash": "abc123", "md5": "def456"}
         gv.video_fingerprint = fingerprint
         assert gv.video_fingerprint == fingerprint
+
+
+class TestGeneratedVideoExtended:
+    """GeneratedVideo 深度补充测试"""
+
+    def test_id_is_hex(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u")
+        int(v.id, 16)
+
+    def test_zero_file_size(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", file_size=0)
+        assert v.file_size == 0
+
+    def test_large_file_size(self):
+        large = 1024 * 1024 * 1024  # 1GB
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", file_size=large)
+        assert v.file_size == large
+
+    def test_zero_duration(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", duration=0.0)
+        assert v.duration == 0.0
+
+    def test_large_duration(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", duration=9999.99)
+        assert v.duration == 9999.99
+
+    def test_zero_dimensions(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", width=0, height=0)
+        assert v.width == 0
+        assert v.height == 0
+
+    def test_4k_dimensions(self):
+        v = GeneratedVideo.create(
+            project_id="p", generation_task_id="t", name="n", file_url="u", width=3840, height=2160
+        )
+        assert v.width == 3840
+        assert v.height == 2160
+
+    def test_zero_fps(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", fps=0.0)
+        assert v.fps == 0.0
+
+    def test_high_fps(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", fps=120.0)
+        assert v.fps == 120.0
+
+    def test_empty_user_id(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", user_id="")
+        assert v.user_id == ""
+
+    def test_long_name(self):
+        long_name = "视频" * 100
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name=long_name, file_url="u")
+        assert v.name == long_name
+        assert len(v.name) == 200
+
+    def test_unicode_name(self):
+        v = GeneratedVideo.create(
+            project_id="p", generation_task_id="t", name="🎬 我的精彩视频 · 旅行vlog", file_url="u"
+        )
+        assert "🎬" in v.name
+        assert "旅行vlog" in v.name
+
+    def test_special_characters_name(self):
+        special = "视!@#$%^&*()频"
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name=special, file_url="u")
+        assert v.name == special
+
+    def test_thumbnail_url_none(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u", thumbnail_url=None)
+        assert v.thumbnail_url is None
+
+    def test_generation_params_complex(self):
+        params = {
+            "mode": "voice_over",
+            "quality": "high",
+            "resolution": {"width": 1920, "height": 1080},
+            "effects": ["filter", "transition"],
+        }
+        v = GeneratedVideo.create(
+            project_id="p", generation_task_id="t", name="n", file_url="u", generation_params=params
+        )
+        assert v.generation_params["mode"] == "voice_over"
+        assert v.generation_params["resolution"]["width"] == 1920
+        assert len(v.generation_params["effects"]) == 2
+
+    def test_generation_params_independence(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")
+        v1.generation_params["key"] = "val"
+        assert "key" not in v2.generation_params
+
+    def test_status_failed(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u")
+        v.status = "failed"
+        assert v.status == "failed"
+
+    def test_review_status_approved(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u")
+        v.review_status = "approved"
+        assert v.review_status == "approved"
+
+    def test_is_duplicate_default_false(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u")
+        assert v.is_duplicate is False
+        assert v.duplicate_of is None
+
+    def test_fingerprint_none_default(self):
+        v = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u")
+        assert v.video_fingerprint is None
+
+    def test_empty_file_url_raises(self):
+        with pytest.raises(ValueError):
+            GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="  ")

tests/unit/test_verification_code_domain.py

@@ -166,3 +166,88 @@ class TestVerificationCodeTypes:
         vc = VerificationCode.create("test@example.com", code_type)
         assert vc.code_type == code_type
         assert vc.is_valid is True
+
+
+class TestVerificationCodeExtended:
+    """VerificationCode 深度补充测试"""
+
+    def test_id_is_hex(self):
+        vc = VerificationCode.create("test@example.com", "email_bind")
+        int(vc.id, 16)
+
+    def test_ids_are_unique(self):
+        vc1 = VerificationCode.create("test@example.com", "email_bind")
+        vc2 = VerificationCode.create("test@example.com", "email_bind")
+        assert vc1.id != vc2.id
+
+    def test_slots_no_extra_attrs(self):
+        import pytest
+
+        vc = VerificationCode.create("test@example.com", "email_bind")
+        with pytest.raises(AttributeError):
+            vc.new_field = "value"  # type: ignore[attr-defined]
+
+    def test_custom_code_non_numeric(self):
+        """自定义 code 可以是非数字"""
+        vc = VerificationCode.create("test@example.com", "email_bind", custom_code="abcdef")
+        assert vc.code == "abcdef"
+
+    def test_custom_code_short(self):
+        vc = VerificationCode.create("test@example.com", "email_bind", custom_code="12")
+        assert vc.code == "12"
+
+    def test_custom_code_long(self):
+        long_code = "1" * 20
+        vc = VerificationCode.create("test@example.com", "email_bind", custom_code=long_code)
+        assert vc.code == long_code
+        assert len(vc.code) == 20
+
+    def test_ttl_zero_expires_immediately(self):
+        vc = VerificationCode.create("test@example.com", "email_bind", ttl_seconds=0)
+        # ttl=0 时 expires_at = now，可能已过期或刚好
+        assert vc.expires_at is not None
+
+    def test_very_long_ttl(self):
+        vc = VerificationCode.create("test@example.com", "email_bind", ttl_seconds=86400)
+        assert vc.is_expired is False
+
+    def test_negative_ttl_expired(self):
+        vc = VerificationCode.create("test@example.com", "email_bind", ttl_seconds=-100)
+        assert vc.is_expired is True
+
+    def test_attempts_starts_at_zero(self):
+        vc = VerificationCode.create("test@example.com", "email_bind")
+        assert vc.attempts == 0
+
+    def test_increment_attempts_returns_none(self):
+        vc = VerificationCode.create("test@example.com", "email_bind")
+        result = vc.increment_attempts()
+        assert result is None
+        assert vc.attempts == 1
+
+    def test_mark_used_returns_none(self):
+        vc = VerificationCode.create("test@example.com", "email_bind")
+        result = vc.mark_used()
+        assert result is None
+        assert vc.is_used is True
+
+    def test_code_type_empty_string(self):
+        vc = VerificationCode.create("test@example.com", "")
+        assert vc.code_type == ""
+
+    def test_recipient_empty_string(self):
+        vc = VerificationCode.create("", "email_bind")
+        assert vc.recipient == ""
+
+    def test_created_at_equals_expires_minus_ttl(self):
+        vc = VerificationCode.create("test@example.com", "email_bind", ttl_seconds=60)
+        diff = (vc.expires_at - vc.created_at).total_seconds()
+        assert abs(diff - 60) < 2
+
+    def test_multiple_mark_used_updates_time(self):
+        vc = VerificationCode.create("test@example.com", "email_bind")
+        vc.mark_used()
+        first = vc.used_at
+        vc.mark_used()
+        second = vc.used_at
+        assert second >= first

tests/unit/test_video_share_domain.py

@@ -223,3 +223,100 @@ class TestVideoShareCounters:
         share.revoke()
         assert share.is_active is False
         assert share.is_accessible is False
+
+
+class TestGenerateShareTokenExtended:
+    """generate_share_token 深度补充测试"""
+
+    def test_zero_length(self):
+        token = generate_share_token(0)
+        assert token == ""
+
+    def test_length_one(self):
+        token = generate_share_token(1)
+        assert len(token) == 1
+
+    def test_very_long_token(self):
+        token = generate_share_token(100)
+        assert len(token) == 100
+
+    def test_no_special_characters(self):
+        token = generate_share_token(50)
+        assert token.isalnum()
+
+    def test_all_characters_from_alphabet(self):
+        alphabet = set("abcdefghjkmnpqrstuvwxyzABCDEFGHJKMNPQRSTUVWXYZ23456789")
+        token = generate_share_token(200)
+        for c in token:
+            assert c in alphabet
+
+
+class TestVideoShareExtended:
+    """VideoShare 深度补充测试"""
+
+    def test_zero_view_count(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        assert share.view_count == 0
+
+    def test_zero_download_count(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        assert share.download_count == 0
+
+    def test_large_view_count(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        for _ in range(1000):
+            share.increment_view_count()
+        assert share.view_count == 1000
+
+    def test_revoke_idempotent(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        share.revoke()
+        assert share.is_active is False
+        share.revoke()
+        assert share.is_active is False
+
+    def test_revoke_returns_none(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        result = share.revoke()
+        assert result is None
+
+    def test_increment_view_returns_none(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        result = share.increment_view_count()
+        assert result is None
+
+    def test_increment_download_returns_none(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        result = share.increment_download_count()
+        assert result is None
+
+    def test_id_is_hex(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        int(share.id, 16)
+
+    def test_ids_are_unique(self):
+        s1 = VideoShare.create(video_id="v1", user_id="u1")
+        s2 = VideoShare.create(video_id="v1", user_id="u1")
+        assert s1.id != s2.id
+
+    def test_expires_at_boundary_exact_now(self):
+        """expires_at 恰好是现在，应该被认为过期"""
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        share.expires_at = datetime.now(timezone.utc) - timedelta(microseconds=1)
+        assert share.is_expired is True
+
+    def test_expires_at_boundary_one_second_future(self):
+        share = VideoShare.create(video_id="v1", user_id="u1")
+        share.expires_at = datetime.now(timezone.utc) + timedelta(seconds=1)
+        assert share.is_expired is False
+
+    def test_password_with_special_characters(self):
+        special_pass = "pass!@#$%^&*()"
+        share = VideoShare.create(video_id="v1", user_id="u1", password=special_pass)
+        assert share.verify_password(special_pass) is True
+        assert share.verify_password("wrong") is False
+
+    def test_password_unicode(self):
+        unicode_pass = "密码🔐测试"
+        share = VideoShare.create(video_id="v1", user_id="u1", password=unicode_pass)
+        assert share.verify_password(unicode_pass) is True