88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
"""Tests for the pure info-panel source HTML builder.
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Pure Python. No Qt, no network. Validates audit finding #6 — that the
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helper escapes booru-controlled `post.source` before it's interpolated
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into a QTextBrowser RichText document.
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"""
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from __future__ import annotations
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from booru_viewer.gui._source_html import build_source_html
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def test_none_returns_literal_none():
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assert build_source_html(None) == "none"
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assert build_source_html("") == "none"
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def test_plain_https_url_renders_escaped_anchor():
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out = build_source_html("https://example.test/post/1")
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assert out.startswith('<a href="https://example.test/post/1"')
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assert ">https://example.test/post/1</a>" in out
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def test_long_url_display_text_truncated_but_href_full():
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long_url = "https://example.test/" + "a" * 200
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out = build_source_html(long_url)
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# href contains the full URL
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assert long_url in out.replace("&", "&")
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# Display text is truncated to 57 chars + "..."
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assert "..." in out
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def test_double_quote_in_url_escaped():
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"""A `"` in the source must not break out of the href attribute."""
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hostile = 'https://attacker.test/"><img src=x>'
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out = build_source_html(hostile)
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# Raw <img> must NOT appear — html.escape converts < to <
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assert "<img" not in out
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# The display text must also have the raw markup escaped.
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assert ">" in out or """ in out
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def test_html_tags_in_url_escaped():
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hostile = 'https://attacker.test/<script>alert(1)</script>'
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out = build_source_html(hostile)
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assert "<script>" not in out
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assert "<script>" in out
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def test_non_url_source_rendered_as_escaped_plain_text():
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"""A source string that isn't an http(s) URL is rendered as plain
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text — no <a> tag, but still HTML-escaped."""
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out = build_source_html("not a url <b>at all</b>")
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assert "<a" not in out
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assert "<b>" not in out
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assert "<b>" in out
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def test_javascript_url_does_not_become_anchor():
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"""Sources that don't start with http(s) — including `javascript:` —
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must NOT be wrapped in an <a> tag where they'd become a clickable
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link target."""
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out = build_source_html("javascript:alert(1)")
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assert "<a " not in out
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assert "alert(1)" in out # text content preserved (escaped)
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def test_data_url_does_not_become_anchor():
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out = build_source_html("data:text/html,<script>x</script>")
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assert "<a " not in out
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assert "<script>" not in out
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def test_ampersand_in_url_escaped():
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out = build_source_html("https://example.test/?a=1&b=2")
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# `&` must be `&` inside the href attribute
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assert "&" in out
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# Raw `&b=` is NOT acceptable as an attribute value
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assert 'href="https://example.test/?a=1&b=2"' in out
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def test_pixiv_real_world_source_unchanged_visually():
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"""Realistic input — a normal pixiv link — should pass through with
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no surprising changes."""
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out = build_source_html("https://www.pixiv.net/artworks/12345")
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assert 'href="https://www.pixiv.net/artworks/12345"' in out
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assert "https://www.pixiv.net/artworks/12345</a>" in out
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