logging handler tests

tests/test_logging.py

@@ -0,0 +1,31 @@
+import io
+import logging
+
+from rich.console import Console
+from rich.logging import RichHandler
+
+handler = RichHandler(
+    console=Console(file=io.StringIO(), force_terminal=True, width=80)
+)
+logging.basicConfig(
+    level="NOTSET", format="%(message)s", datefmt="[DATE] ", handlers=[handler]
+)
+log = logging.getLogger("rich")
+
+
+def make_log():
+    log.debug("foo")
+    render = handler.console.file.getvalue()
+    return render
+
+
+def test_log():
+    render = make_log()
+    expected = "\x1b[2;36m[DATE] \x1b[0m\x1b[32mDEBUG\x1b[0m    foo                                           \x1b[2mtest_logging.py:17\x1b[0m\n"
+    assert render == expected
+
+
+if __name__ == "__main__":
+    render = make_log()
+    print(render)
+    print(repr(render))