Some border style tests

Author: jnothman

pandas/formats/excel.py

@@ -144,7 +144,7 @@ def build_border(self, props):
         } for side in ['top', 'right', 'bottom', 'left']}
 
     def _border_style(self, style, width):
-        # TODO: convert styles and widths to openxml, one of:
+        # convert styles and widths to openxml, one of:
         #       'dashDot'
         #       'dashDotDot'
         #       'dashed'

pandas/tests/formats/test_to_excel.py

@@ -84,6 +84,18 @@
                                          'patternType': 'solid'}}),
     # BORDER
     # - style
+    # TODO: need to check this produces valid OpenXML without color
+    ('border-style: solid',
+     {'border': {'top': {'style': 'medium'},
+                 'bottom': {'style': 'medium'},
+                 'left': {'style': 'medium'},
+                 'right': {'style': 'medium'}}}),
+    ('border-top-style: solid',
+     {'border': {'top': {'style': 'medium'}}}),
+    ('border-top-style: dotted',
+     {'border': {'top': {'style': 'mediumDashDotDot'}}}),
+    ('border-top-style: dashed',
+     {'border': {'top': {'style': 'mediumDashed'}}}),
     # - color
     # ALIGNMENT
     # - horizontal