test markup

tests/test_markup.py

@@ -0,0 +1,35 @@
+import pytest
+
+from rich.markup import MarkupError, _parse, render
+from rich.text import Span
+
+
+def test_parse():
+    result = list(_parse("[foo]hello[/foo][bar]world[/][[escaped]]"))
+    expected = [
+        (None, "[foo]"),
+        ("hello", None),
+        (None, "[/foo]"),
+        (None, "[bar]"),
+        ("world", None),
+        (None, "[/]"),
+        ("[", None),
+        ("escaped", None),
+        ("]", None),
+    ]
+    assert result == expected
+
+
+def test_render():
+    result = render("[bold]FOO[/bold]")
+    assert str(result) == "FOO"
+    assert result.spans == [Span(0, 3, "bold")]
+
+
+def test_markup_error():
+    with pytest.raises(MarkupError):
+        assert render("foo[/]")
+    with pytest.raises(MarkupError):
+        assert render("foo[/bar]")
+    with pytest.raises(MarkupError):
+        assert render("[foo]hello[/bar]")