style: add _LatentStyle.priority setter

Steve Canny · Steve Canny · commit 75006eb6be7b · 2015-02-08T00:01:48.000-08:00
diff --git a/docx/styles/latent.py b/docx/styles/latent.py
@@ -139,3 +139,7 @@ def priority(self):
         The integer sort key for this latent style in the Word UI.
         """
         return self._element.uiPriority
+
+    @priority.setter
+    def priority(self, value):
+        self._element.uiPriority = value
diff --git a/features/sty-latent-props.feature b/features/sty-latent-props.feature
@@ -48,7 +48,6 @@ Feature: Get and set latent style properties
       | 42         | 42    |
 
 
-  @wip
   Scenario Outline: Set latent style display sort order
     Given a latent style having priority of <setting>
      When I assign <new-value> to latent_style.priority
diff --git a/tests/styles/test_latent.py b/tests/styles/test_latent.py
@@ -25,6 +25,11 @@ def it_knows_its_priority(self, priority_get_fixture):
         latent_style, expected_value = priority_get_fixture
         assert latent_style.priority == expected_value
 
+    def it_can_change_its_priority(self, priority_set_fixture):
+        latent_style, new_value, expected_xml = priority_set_fixture
+        latent_style.priority = new_value
+        assert latent_style._element.xml == expected_xml
+
     # fixtures -------------------------------------------------------
 
     @pytest.fixture(params=[
@@ -44,6 +49,20 @@ def priority_get_fixture(self, request):
         latent_style = _LatentStyle(element(lsdException_cxml))
         return latent_style, expected_value
 
+    @pytest.fixture(params=[
+        ('w:lsdException',                  42,
+         'w:lsdException{w:uiPriority=42}'),
+        ('w:lsdException{w:uiPriority=42}', 24,
+         'w:lsdException{w:uiPriority=24}'),
+        ('w:lsdException{w:uiPriority=24}', None,
+         'w:lsdException'),
+    ])
+    def priority_set_fixture(self, request):
+        lsdException_cxml, new_value, expected_cxml = request.param
+        latent_style = _LatentStyle(element(lsdException_cxml))
+        expected_xml = xml(expected_cxml)
+        return latent_style, new_value, expected_xml
+
 
 class DescribeLatentStyles(object):
 
