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54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
"""Regression guards for AI document updates while Markdown Preview is visible (#2182)."""
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import re
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from pathlib import Path
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SRC = Path(__file__).resolve().parent.parent / "static/js/document.js"
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def _function_body(name: str) -> str:
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text = SRC.read_text(encoding="utf-8")
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match = re.search(rf"\n\s*(?:export\s+)?(?:async\s+)?function\s+{name}\([^)]*\)\s*\{{", text)
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assert match, f"{name} not found"
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start = match.end()
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depth = 1
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i = start
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while i < len(text) and depth:
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if text[i] == "{":
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depth += 1
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elif text[i] == "}":
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depth -= 1
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i += 1
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assert depth == 0, f"{name} body did not close"
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return text[start : i - 1]
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def test_markdown_preview_refresh_rerenders_visible_preview():
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body = _function_body("_refreshMarkdownPreviewIfVisible")
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assert "_isMarkdownPreviewVisible()" in body
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assert "lang !== 'markdown'" in body
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assert "textarea.value = content;" in body
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assert "syncHighlighting();" in body
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assert "_setMarkdownPreviewActive(true, { remember: false });" in body
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def test_doc_update_refreshes_preview_instead_of_hidden_editor_animation():
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body = _function_body("handleDocUpdate")
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visible = "const markdownPreviewWasVisible = _isMarkdownPreviewVisible();"
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exit_preview = "if (markdownPreviewWasVisible) _setMarkdownPreviewActive(false, { remember: false });"
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diff = "enterDiffMode(oldContent, newContent);"
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refresh = "markdownPreviewWasVisible && _refreshMarkdownPreviewIfVisible(docId, newContent)"
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animate = "_animateDocEdit(textarea, newContent);"
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assert visible in body
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assert exit_preview in body
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assert diff in body
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assert body.index(exit_preview) < body.index(diff)
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assert refresh in body
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assert body.index(refresh) < body.index(animate)
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assert "_refreshMarkdownPreviewIfVisible(docId, newContent);" in body
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