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

tests/unit/cli/commands.py

@@ -0,0 +1,22 @@
+# retoor <retoor@molodetz.nl>
+import io
+
+from pypdf import PdfWriter
+
+from molodetz.cli.commands import read_source
+
+
+def test_read_markdown(tmp_path):
+    path = tmp_path / "x.md"
+    path.write_text("# Kop\n\nTekst", encoding="utf-8")
+    assert read_source(path).startswith("# Kop")
+
+
+def test_read_pdf(tmp_path):
+    writer = PdfWriter()
+    writer.add_blank_page(width=200, height=200)
+    buffer = io.BytesIO()
+    writer.write(buffer)
+    path = tmp_path / "x.pdf"
+    path.write_bytes(buffer.getvalue())
+    assert read_source(path) == ""