acpt: scenarios for Header.is_linked_to_previous

Author: eupharis

features/hdr-header-props.feature

@@ -0,0 +1,15 @@
+Feature: Header properties
+  In order to interact with document headers
+  As a developer using python-docx
+  I need read/write properties on the Header object
+
+
+  @wip
+  Scenario Outline: Get Header.is_linked_to_previous
+    Given a header <having-or-no> definition
+     Then header.is_linked_to_previous is <value>
+
+    Examples: Header.is_linked_to_previous states
+      | having-or-no | value |
+      | having a     | False |
+      | having no    | True  |

features/steps/header.py

@@ -0,0 +1,36 @@
+# encoding: utf-8
+
+"""
+Step implementations for header-related features
+"""
+
+from __future__ import (
+    absolute_import, division, print_function, unicode_literals
+)
+
+from behave import given, then
+
+from docx import Document
+
+from helpers import test_docx
+
+
+# given ===================================================
+
+@given('a header {having_or_no} definition')
+def given_a_header_having_or_no_definition(context, having_or_no):
+    filename = {
+        'having a':  'hdr-header-props',
+        'having no': 'doc-default',
+    }[having_or_no]
+    document = Document(test_docx(filename))
+    context.header = document.sections[0].header
+
+
+# then =====================================================
+
+@then(u'header.is_linked_to_previous is {value}')
+def then_header_is_linked_to_previous_is_value(context, value):
+    expected_value = {'True': True, 'False': False}[value]
+    header = context.header
+    assert header.is_linked_to_previous is expected_value