Pull request #5: feature: add underline to renderer

Merge in FRAG/50ohm.de from feature/underline-token to main

* commit 'fbb26a8dd1664076292c5f89ab32758da17e73c4':
  feature: add underline to renderer

renderer/fifty_ohm_html_renderer.py

@@ -13,3 +13,6 @@ class FiftyOhmHtmlRenderer(HtmlRenderer):
 
     def render_quote(self, token):
         return f"„{self.render_inner(token)}“"
+
+    def render_underline(self, token):
+        return f"<u>{self.render_inner(token)}</u>"

renderer/underline.py

@@ -0,0 +1,11 @@
+import re
+
+from mistletoe.span_token import SpanToken
+
+
+class Underline(SpanToken):
+    """
+    Underline span token (<u>Untersrich</u>).
+    Identifies underlined text.
+    """
+    pattern = re.compile(r'<u>(.+)</u>')

test/test_underline.py

@@ -0,0 +1,16 @@
+import mistletoe
+
+from renderer.fifty_ohm_html_renderer import FiftyOhmHtmlRenderer
+from test.util import paragraph
+
+
+def test_underline_html() :
+
+    assertions = {
+        "<u>Text</u>" : "<u>Text</u>",
+        "<u> Text Text </u>" : "<u> Text Text </u>",
+        "<u> Text *Text* </u>" : "<u> Text <em>Text</em> </u>",
+    }
+
+    for assertion in assertions:
+        assert mistletoe.markdown(assertion, FiftyOhmHtmlRenderer) == paragraph(assertions[assertion])