style: add LatentStyles.default_priority setter

Steve Canny · Steve Canny · commit 9121e10b743a · 2015-02-08T00:01:47.000-08:00
diff --git a/docx/styles/latent.py b/docx/styles/latent.py
@@ -44,6 +44,10 @@ def default_priority(self):
         """
         return self._element.defUIPriority
 
+    @default_priority.setter
+    def default_priority(self, value):
+        self._element.defUIPriority = value
+
     @property
     def default_to_hidden(self):
         """
diff --git a/tests/styles/test_latent.py b/tests/styles/test_latent.py
@@ -12,7 +12,7 @@
 
 from docx.styles.latent import _LatentStyle, LatentStyles
 
-from ..unitutil.cxml import element
+from ..unitutil.cxml import element, xml
 
 
 class DescribeLatentStyles(object):
@@ -43,6 +43,11 @@ def it_knows_its_default_priority(self, priority_get_fixture):
         latent_styles, expected_value = priority_get_fixture
         assert latent_styles.default_priority == expected_value
 
+    def it_can_change_its_default_priority(self, priority_set_fixture):
+        latent_styles, value, expected_xml = priority_set_fixture
+        latent_styles.default_priority = value
+        assert latent_styles._element.xml == expected_xml
+
     def it_knows_its_load_count(self, count_get_fixture):
         latent_styles, expected_value = count_get_fixture
         assert latent_styles.load_count == expected_value
@@ -128,3 +133,17 @@ def priority_get_fixture(self, request):
         latentStyles_cxml, expected_value = request.param
         latent_styles = LatentStyles(element(latentStyles_cxml))
         return latent_styles, expected_value
+
+    @pytest.fixture(params=[
+        ('w:latentStyles',                     42,
+         'w:latentStyles{w:defUIPriority=42}'),
+        ('w:latentStyles{w:defUIPriority=24}', 42,
+         'w:latentStyles{w:defUIPriority=42}'),
+        ('w:latentStyles{w:defUIPriority=24}', None,
+         'w:latentStyles'),
+    ])
+    def priority_set_fixture(self, request):
+        latentStyles_cxml, value, expected_cxml = request.param
+        latent_styles = LatentStyles(element(latentStyles_cxml))
+        expected_xml = xml(expected_cxml)
+        return latent_styles, value, expected_xml
