acpt: add scenarios for .next_paragraph_style

Author: Steve Canny

features/steps/styles.py

@@ -140,6 +140,19 @@ def given_a_style_having_locked_setting(context, setting):
     context.style = document.styles[style_name]
 
 
+@given('a style having next paragraph style set to {setting}')
+def given_a_style_having_next_paragraph_style_setting(context, setting):
+    document = Document(test_docx('sty-known-styles'))
+    style_name = {
+        'Sub Normal': 'Citation',
+        'Foobar':     'Sub Normal',
+        'Base':       'Foo',
+        'no setting': 'Base',
+    }[setting]
+    context.styles = document.styles
+    context.style = document.styles[style_name]
+
+
 @given('a style having priority of {setting}')
 def given_a_style_having_priority_of_setting(context, setting):
     document = Document(test_docx('sty-behav-props'))
@@ -248,6 +261,13 @@ def when_I_assign_value_to_style_locked(context, value):
     style.locked = new_value
 
 
+@when('I assign {value} to style.next_paragraph_style')
+def when_I_assign_value_to_style_next_paragraph_style(context, value):
+    styles, style = context.styles, context.style
+    new_value = None if value == 'None' else styles[value]
+    style.next_paragraph_style = new_value
+
+
 @when('I assign {value} to style.priority')
 def when_I_assign_value_to_style_priority(context, value):
     style = context.style
@@ -426,6 +446,14 @@ def then_style_name_is_the_which_name(context, which):
     assert style.name == expected_name
 
 
+@then('style.next_paragraph_style is {value}')
+def then_style_next_paragraph_style_is_value(context, value):
+    style, styles = context.style, context.styles
+    actual_value = style.next_paragraph_style
+    expected_value = styles[value]
+    assert actual_value == expected_value, 'got %s' % actual_value
+
+
 @then('style.paragraph_format is the ParagraphFormat object for the style')
 def then_style_paragraph_format_is_the_ParagraphFormat_object(context):
     style = context.style

features/steps/test_files/sty-known-styles.docx

@@ -81,6 +81,31 @@ Feature: Get and set style properties
      Then style.name is the new name
 
 
+  @wip
+  Scenario Outline: Get next paragraph style
+    Given a style having next paragraph style set to <setting>
+     Then style.next_paragraph_style is <value>
+
+    Examples: Style next paragraph style values
+      | setting    | value      |
+      | no setting | Base       |
+      | Sub Normal | Sub Normal |
+      | Foobar     | Sub Normal |
+
+
+  @wip
+  Scenario Outline: Set next paragraph style
+    Given a style having next paragraph style set to <setting>
+     When I assign <new-value> to style.next_paragraph_style
+     Then style.next_paragraph_style is <value>
+
+    Examples: Results of assignment to .next_paragraph_style
+      | setting    | new-value  | value      |
+      | no setting | Citation   | Citation   |
+      | Sub Normal | Base       | Base       |
+      | Base       | None       | Foo        |
+
+
   Scenario Outline: Get style display sort order
     Given a style having priority of <setting>
      Then style.priority is <value>