71 lines
3.1 KiB
Python
71 lines
3.1 KiB
Python
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"""placeholder 配置静态守卫(同步自上游 ai-kefu tests/test_placeholder_static.py)。
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上游断言读取行自带 `|| "Type a message..."` 默认值;jc(Task 10 值管道)
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优先级为 data-* > brand > 中性兜底——默认值挪进 boot()/applyBrand 的推导
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链尾(读取行给默认会让 brand.placeholder 永远无法生效),读取行保持裸读。
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守卫语义不变: 读取-推导-赋值链路在场、默认值不漂移、chat.html 静态兜底
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不误删、写入侧赋值行不被重构删掉。
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"""
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import re
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from pathlib import Path
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STATIC = Path(__file__).resolve().parent.parent / "static"
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DEFAULT = "Type a message..."
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def _read(rel):
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return (STATIC / rel).read_text(encoding="utf-8")
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def _widget_chain_default(src):
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"""提取 widget.js boot 的优先级推导链尾默认值(data-* > brand > 默认)。"""
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m = re.search(
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r'placeholder\s*=\s*placeholderAttr\s*\|\|\s*b\.placeholder\s*\|\|\s*"([^"]*)"',
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src)
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assert m, "widget.js 缺 placeholder 优先级推导链(data-placeholder > brand > 默认)"
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return m.group(1)
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def test_widget_reads_data_placeholder_with_default():
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src = _read("widget.js")
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assert 'getAttribute("data-placeholder")' in src, "widget.js 缺 data-placeholder 读取"
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assert _widget_chain_default(src) == DEFAULT, "widget.js 默认值漂移"
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def test_chat_js_reads_data_placeholder_with_default():
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src = _read("js/chat.js")
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assert 'getAttribute("data-placeholder")' in src, "chat.js 缺 data-placeholder 读取"
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# chat 端链尾为空串 = 无配置不触碰输入框(chat.html 静态兜底持有可见默认值)
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assert re.search(
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r'placeholderText\s*=\s*placeholderAttr\s*\|\|\s*b\.placeholder\s*\|\|\s*""',
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src), "chat.js 缺 placeholder 优先级推导链(data-placeholder > brand > 不动静态值)"
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def test_both_ends_default_identical():
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# 两端用户可见默认值: widget 推导链尾 vs chat.html 静态兜底
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a = _widget_chain_default(_read("widget.js"))
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b = re.search(r'<input id="input"[^>]*placeholder="([^"]*)"',
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_read("chat.html")).group(1)
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assert a == b == DEFAULT, f"两端默认值漂移: {a!r} vs {b!r}"
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def test_chat_html_static_fallback_present():
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assert 'placeholder="Type a message..."' in _read("chat.html"), \
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"chat.html 静态兜底被误删(禁用 JS 场景退化)"
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def test_widget_template_default_present():
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# jc 模板注入变量(esc(placeholder)),默认值字面量由推导链尾持有
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assert DEFAULT in _read("widget.js"), "widget.js 默认值字面量被误删"
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def test_both_ends_apply_assignment():
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"""写入侧守卫(防'读属性仍在、赋值被重构删除'的静默失效,上游断言6)。
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chat.js 显式赋值行;widget.js 由模板注入 placeholder 变量(等价写入侧)。
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"""
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assert "inputEl.placeholder = placeholderText;" in _read("js/chat.js"), \
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"js/chat.js 缺赋值行 inputEl.placeholder = placeholderText;"
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assert 'placeholder="\' + esc(placeholder) + \'"' in _read("widget.js"), \
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"widget.js 缺模板注入 placeholder 变量"
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