Add a test to check whether update of a part of repeated elements works.

src/tests/erp5diff_test_suite.py

@@ -1184,6 +1184,39 @@ class TestERP5Diff(unittest.TestCase):
 </xupdate:modifications>
 """
 
+  def test_part_of_repeated_elements_updated(self):
+    """32. Update a part of repeated elements
+    """
+    old_xml = """<erp5>
+  <object portal_type="Text" gid="0123456789">
+    <base_data type="data">
+      <block_data>a</block_data>
+      <block_data>b</block_data>
+      <block_data>b</block_data>
+      <block_data>b</block_data>
+      <block_data>c</block_data>
+    </base_data>
+  </object>
+</erp5>
+"""
+
+    new_xml = """<erp5>
+  <object portal_type="Text" gid="0123456789">
+    <base_data type="data">
+      <block_data>a</block_data>
+      <block_data>d</block_data>
+      <block_data>b</block_data>
+      <block_data>b</block_data>
+      <block_data>c</block_data>
+    </base_data>
+  </object>
+</erp5>
+"""
+
+    expected_result_string = """<xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
+  <xupdate:update select="/erp5/object[@gid='0123456789']/base_data/block_data[2]">d</xupdate:update>
+</xupdate:modifications>
+"""
     self._assertERP5DiffWorks(old_xml, new_xml, expected_result_string)
 
 if __name__ == '__main__':