222 lines
9.5 KiB
Python
222 lines
9.5 KiB
Python
"""平台规则引擎单元测试"""
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import pytest
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# ---------------------------------------------------------------------------
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# PlatformRuleEngine 测试
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# ---------------------------------------------------------------------------
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class TestPlatformRuleEngine:
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@pytest.fixture
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def engine(self):
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from app.services.distribution.platform_rules import PlatformRuleEngine
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return PlatformRuleEngine()
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def test_get_platforms_returns_all(self, engine):
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"""返回所有平台"""
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platforms = engine.get_platforms()
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assert len(platforms) >= 6
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ids = {p["id"] for p in platforms}
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# 验证包含核心平台
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assert "wechat" in ids
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assert "zhihu" in ids
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assert "xiaohongshu" in ids
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def test_get_platforms_fields(self, engine):
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"""每个平台包含必要字段"""
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platforms = engine.get_platforms()
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required_fields = {"id", "name", "max_title_length", "max_content_length",
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"min_content_length"}
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for p in platforms:
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assert required_fields.issubset(p.keys()), f"Platform {p.get('id')} missing fields: {required_fields - p.keys()}"
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def test_validate_title_too_long(self, engine):
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"""标题超长返回 high severity issue"""
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# 微信公众号标题上限 22 字
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title = "这个标题非常非常非常非常非常非常非常长超过了微信的限制"
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content = "这是正文内容，字数足够满足最低要求。" * 30
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result = engine.validate_content(content, title, "wechat")
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assert result["is_valid"] is False
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issues = result["issues"]
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high_issues = [i for i in issues if i["severity"] == "high"]
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assert any("标题" in i["message"] for i in high_issues)
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def test_validate_content_too_short(self, engine):
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"""内容过短返回 medium severity issue"""
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title = "正常标题"
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content = "短内容" # 远少于 300 字最低要求
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result = engine.validate_content(content, title, "wechat")
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issues = result["issues"]
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assert any("内容长度" in i["message"] for i in issues)
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def test_validate_valid_content(self, engine):
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"""合规内容 score >= 90"""
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title = "合规标题测试" # 长度在 22 字以内
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content = "这是符合要求的内容。" * 50 # 足够长度，无违规
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result = engine.validate_content(content, title, "wechat")
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assert result["score"] >= 90
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def test_validate_unknown_platform(self, engine):
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"""未知平台返回 is_valid=False"""
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result = engine.validate_content("content", "title", "unknown_platform_xyz")
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assert result["is_valid"] is False
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assert result["score"] == 0
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def test_validate_wechat_external_link(self, engine):
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"""微信正文包含外部链接返回 high severity issue"""
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title = "标题"
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content = "正文内容 " * 50 + " 点击 https://example.com/test 查看"
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result = engine.validate_content(content, title, "wechat")
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issues = result["issues"]
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assert any("外部链接" in i["message"] for i in issues)
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def test_validate_wechat_consecutive_symbols_in_title(self, engine):
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"""微信标题含连续特殊符号返回 medium issue"""
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title = "惊喜!!!三连"
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content = "正文内容，满足最低字数要求。" * 30
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result = engine.validate_content(content, title, "wechat")
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issues = result["issues"]
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assert any("连续特殊符号" in i["message"] for i in issues)
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def test_get_optimization_tips_returns_list(self, engine):
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"""get_optimization_tips 返回非空列表"""
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tips = engine.get_optimization_tips("wechat")
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assert isinstance(tips, list)
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assert len(tips) > 0
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def test_get_optimization_tips_unknown_platform(self, engine):
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"""未知平台返回空列表"""
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tips = engine.get_optimization_tips("unknown_xyz")
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assert tips == []
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# --- 标签验证测试 ---
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def test_validate_tags_within_range(self, engine):
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"""标签数量在范围内验证通过"""
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title = "合规标题测试"
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content = "这是符合要求的内容。" * 50
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result = engine.validate_content(content, title, "wechat", tags=["标签1", "标签2", "标签3"])
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tag_issues = [i for i in result["issues"] if i.get("category") == "tag_count"]
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assert len(tag_issues) == 0
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def test_validate_tags_below_minimum(self, engine):
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"""标签数量低于最低要求返回 medium issue"""
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title = "合规标题测试"
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content = "这是符合要求的内容。" * 50
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result = engine.validate_content(content, title, "wechat", tags=[])
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tag_issues = [i for i in result["issues"] if i.get("category") == "tag_count"]
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assert len(tag_issues) > 0
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assert tag_issues[0]["severity"] == "medium"
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assert "低于最低要求" in tag_issues[0]["message"]
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def test_validate_tags_exceed_maximum(self, engine):
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"""标签数量超过限制返回 high issue"""
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title = "合规标题测试"
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content = "这是符合要求的内容。" * 50
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# 微信 max_tags=10，传入 15 个
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many_tags = [f"标签{i}" for i in range(15)]
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result = engine.validate_content(content, title, "wechat", tags=many_tags)
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tag_issues = [i for i in result["issues"] if i.get("category") == "tag_count"]
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assert len(tag_issues) > 0
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assert tag_issues[0]["severity"] == "high"
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assert "超过限制" in tag_issues[0]["message"]
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def test_validate_tags_as_comma_separated_string(self, engine):
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"""标签为逗号分隔字符串时正确解析"""
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title = "合规标题测试"
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content = "这是符合要求的内容。" * 50
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result = engine.validate_content(content, title, "wechat", tags="标签1,标签2,标签3")
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tag_issues = [i for i in result["issues"] if i.get("category") == "tag_count"]
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assert len(tag_issues) == 0
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def test_validate_no_tags_treated_as_zero(self, engine):
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"""无标签时视为 0 个标签，低于 min_tags 时触发 issue"""
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title = "合规标题测试"
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content = "这是符合要求的内容。" * 50
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result = engine.validate_content(content, title, "wechat", tags=None)
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tag_issues = [i for i in result["issues"] if i.get("category") == "tag_count"]
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# 微信 min_tags=3，tags=None 时 tag_count=0 < 3，触发 medium issue
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assert len(tag_issues) > 0
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assert tag_issues[0]["severity"] == "medium"
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# ---------------------------------------------------------------------------
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# ContentFormatter 测试
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# ---------------------------------------------------------------------------
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class TestContentFormatter:
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@pytest.fixture
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def formatter(self):
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from app.services.distribution.formatter import ContentFormatter
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return ContentFormatter()
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def test_formatter_xiaohongshu_strips_markdown(self, formatter):
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"""小红书格式：移除 Markdown 标记"""
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md_content = "# 标题\n\n**加粗内容**\n\n[链接文本](http://example.com)"
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result = formatter.format_for_platform(md_content, "xiaohongshu")
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assert "**" not in result
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assert "#" not in result or result.strip().startswith("#") is False
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assert "http://example.com" not in result
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def test_formatter_wechat_removes_links(self, formatter):
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"""微信格式：去除非公众号外链，保留链接文本"""
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content = "请访问 [示例网站](https://external-site.com/page) 了解详情"
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result = formatter.format_for_platform(content, "wechat")
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# 外部链接被移除，但文本保留
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assert "https://external-site.com" not in result
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assert "示例网站" in result
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def test_formatter_wechat_converts_headers(self, formatter):
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"""微信格式：Markdown 标题转 HTML"""
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content = "## 二级标题\n\n正文内容"
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result = formatter.format_for_platform(content, "wechat")
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assert "<h2>" in result
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assert "二级标题" in result
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def test_formatter_zhihu_keeps_markdown(self, formatter):
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"""知乎格式：保留 Markdown 结构"""
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content = "## 知乎标题\n\n**加粗内容**\n\n`代码示例`"
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result = formatter.format_for_platform(content, "zhihu")
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# 知乎支持 Markdown，应保留
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assert "**加粗内容**" in result
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def test_formatter_default_strips_markdown(self, formatter):
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"""默认格式：清理 Markdown 为纯文本"""
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content = "# 标题\n\n**加粗**\n\n[链接](http://test.com)"
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result = formatter.format_for_platform(content, "unknown_platform")
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assert "#" not in result.split("\n")[0] # 标题标记被移除
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assert "**" not in result
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assert "http://test.com" not in result
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def test_formatter_xiaohongshu_tags_moved_to_end(self, formatter):
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"""小红书格式：话题标签移到文末"""
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content = "正文内容 #话题1 更多内容 #话题2"
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result = formatter.format_for_platform(content, "xiaohongshu")
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lines = result.strip().split("\n")
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last_line = lines[-1]
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# 最后一行包含标签
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assert "#话题1" in last_line or "#话题2" in last_line
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def test_formatter_wechat_bold_to_strong(self, formatter):
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"""微信格式：**加粗** 转为 <strong>"""
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content = "这是**重要内容**需要加粗"
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result = formatter.format_for_platform(content, "wechat")
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assert "<strong>重要内容</strong>" in result
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