Mirror test layout, domcontentloaded waits, backup DB writes outside threads

tests/unit/rendering.py

@@ -0,0 +1,34 @@
+# retoor <retoor@molodetz.nl>
+from molodetz.rendering import content_preview, normalize_dashes, plain_title, render_content, render_title
+
+
+def test_markdown_renders_and_escapes_html():
+    html = render_content("**vet** <script>alert(1)</script>")
+    assert "<strong>vet</strong>" in html
+    assert "<script>" not in html
+
+
+def test_dashes_are_normalized():
+    long_dash = chr(0x2014)
+    assert normalize_dashes(f"a {long_dash} b") == "a - b"
+    assert long_dash not in render_content(f"x {long_dash} y")
+
+
+def test_javascript_urls_are_dropped():
+    html = render_content("[klik](javascript:alert(1))")
+    assert "javascript:" not in html
+
+
+def test_emoji_shortcodes():
+    assert "\U0001F44D" in render_content(":thumbsup:")
+
+
+def test_title_is_inline_only():
+    html = render_title("# Kop *nadruk*")
+    assert "<h1>" not in html
+    assert plain_title("**Vet** titel") == "Vet titel"
+
+
+def test_preview_truncates():
+    preview = content_preview("woord " * 200, 50)
+    assert len(preview) <= 52