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media/webrtc/trunk/testing/gtest/test/gtest_xml_test_utils.py@4ab42b5ab56c (annotated)

media/webrtc/trunk/testing/gtest/test/gtest_xml_test_utils.py

Wed, 31 Dec 2014 07:53:36 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 07:53:36 +0100
branch: TOR_BUG_3246
changeset 5: 4ab42b5ab56c
permissions: -rwxr-xr-x

Correct small whitespace inconsistency, lost while renaming variables.

 #!/usr/bin/env python
 #
 # Copyright 2006, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
 # in the documentation and/or other materials provided with the
 # distribution.
 #     * Neither the name of Google Inc. nor the names of its
 # contributors may be used to endorse or promote products derived from
 # this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 """Unit test utilities for gtest_xml_output"""
 __author__ = 'eefacm@gmail.com (Sean Mcafee)'
 import re
 from xml.dom import minidom, Node
 import gtest_test_utils
 GTEST_OUTPUT_FLAG         = '--gtest_output'
 GTEST_DEFAULT_OUTPUT_FILE = 'test_detail.xml'
 class GTestXMLTestCase(gtest_test_utils.TestCase):
   """
   Base class for tests of Google Test's XML output functionality.
   """
   def AssertEquivalentNodes(self, expected_node, actual_node):
     """
     Asserts that actual_node (a DOM node object) is equivalent to
     expected_node (another DOM node object), in that either both of
     them are CDATA nodes and have the same value, or both are DOM
     elements and actual_node meets all of the following conditions:
     *  It has the same tag name as expected_node.
     *  It has the same set of attributes as expected_node, each with
        the same value as the corresponding attribute of expected_node.
        Exceptions are any attribute named "time", which needs only be
        convertible to a floating-point number and any attribute named
        "type_param" which only has to be non-empty.
     *  It has an equivalent set of child nodes (including elements and
        CDATA sections) as expected_node.  Note that we ignore the
        order of the children as they are not guaranteed to be in any
        particular order.
     """
     if expected_node.nodeType == Node.CDATA_SECTION_NODE:
       self.assertEquals(Node.CDATA_SECTION_NODE, actual_node.nodeType)
       self.assertEquals(expected_node.nodeValue, actual_node.nodeValue)
       return
     self.assertEquals(Node.ELEMENT_NODE, actual_node.nodeType)
     self.assertEquals(Node.ELEMENT_NODE, expected_node.nodeType)
     self.assertEquals(expected_node.tagName, actual_node.tagName)
     expected_attributes = expected_node.attributes
     actual_attributes   = actual_node  .attributes
     self.assertEquals(
         expected_attributes.length, actual_attributes.length,
         'attribute numbers differ in element ' + actual_node.tagName)
     for i in range(expected_attributes.length):
       expected_attr = expected_attributes.item(i)
       actual_attr   = actual_attributes.get(expected_attr.name)
       self.assert_(
           actual_attr is not None,
           'expected attribute %s not found in element %s' %
           (expected_attr.name, actual_node.tagName))
       self.assertEquals(expected_attr.value, actual_attr.value,
                         ' values of attribute %s in element %s differ' %
                         (expected_attr.name, actual_node.tagName))
     expected_children = self._GetChildren(expected_node)
     actual_children = self._GetChildren(actual_node)
     self.assertEquals(
         len(expected_children), len(actual_children),
         'number of child elements differ in element ' + actual_node.tagName)
     for child_id, child in expected_children.iteritems():
       self.assert_(child_id in actual_children,
                    '<%s> is not in <%s> (in element %s)' %
                    (child_id, actual_children, actual_node.tagName))
       self.AssertEquivalentNodes(child, actual_children[child_id])
   identifying_attribute = {
     'testsuites': 'name',
     'testsuite': 'name',
     'testcase':  'name',
     'failure':   'message',
     }
   def _GetChildren(self, element):
     """
     Fetches all of the child nodes of element, a DOM Element object.
     Returns them as the values of a dictionary keyed by the IDs of the
     children.  For <testsuites>, <testsuite> and <testcase> elements, the ID
     is the value of their "name" attribute; for <failure> elements, it is
     the value of the "message" attribute; CDATA sections and non-whitespace
     text nodes are concatenated into a single CDATA section with ID
     "detail".  An exception is raised if any element other than the above
     four is encountered, if two child elements with the same identifying
     attributes are encountered, or if any other type of node is encountered.
     """
     children = {}
     for child in element.childNodes:
       if child.nodeType == Node.ELEMENT_NODE:
         self.assert_(child.tagName in self.identifying_attribute,
                      'Encountered unknown element <%s>' % child.tagName)
         childID = child.getAttribute(self.identifying_attribute[child.tagName])
         self.assert_(childID not in children)
         children[childID] = child
       elif child.nodeType in [Node.TEXT_NODE, Node.CDATA_SECTION_NODE]:
         if 'detail' not in children:
           if (child.nodeType == Node.CDATA_SECTION_NODE or
               not child.nodeValue.isspace()):
             children['detail'] = child.ownerDocument.createCDATASection(
                 child.nodeValue)
         else:
           children['detail'].nodeValue += child.nodeValue
       else:
         self.fail('Encountered unexpected node type %d' % child.nodeType)
     return children
   def NormalizeXml(self, element):
     """
     Normalizes Google Test's XML output to eliminate references to transient
     information that may change from run to run.
     *  The "time" attribute of <testsuites>, <testsuite> and <testcase>
        elements is replaced with a single asterisk, if it contains
        only digit characters.
     *  The "timestamp" attribute of <testsuites> elements is replaced with a
        single asterisk, if it contains a valid ISO8601 datetime value.
     *  The "type_param" attribute of <testcase> elements is replaced with a
        single asterisk (if it sn non-empty) as it is the type name returned
        by the compiler and is platform dependent.
     *  The line info reported in the first line of the "message"
        attribute and CDATA section of <failure> elements is replaced with the
        file's basename and a single asterisk for the line number.
     *  The directory names in file paths are removed.
     *  The stack traces are removed.
     """
     if element.tagName == 'testsuites':
       timestamp = element.getAttributeNode('timestamp')
       timestamp.value = re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d$',
                                '*', timestamp.value)
     if element.tagName in ('testsuites', 'testsuite', 'testcase'):
       time = element.getAttributeNode('time')
       time.value = re.sub(r'^\d+(\.\d+)?$', '*', time.value)
       type_param = element.getAttributeNode('type_param')
       if type_param and type_param.value:
         type_param.value = '*'
     elif element.tagName == 'failure':
       source_line_pat = r'^.*[/\\](.*:)\d+\n'
       # Replaces the source line information with a normalized form.
       message = element.getAttributeNode('message')
       message.value = re.sub(source_line_pat, '\\1*\n', message.value)
       for child in element.childNodes:
         if child.nodeType == Node.CDATA_SECTION_NODE:
           # Replaces the source line information with a normalized form.
           cdata = re.sub(source_line_pat, '\\1*\n', child.nodeValue)
           # Removes the actual stack trace.
           child.nodeValue = re.sub(r'\nStack trace:\n(.|\n)*',
                                    '', cdata)
     for child in element.childNodes:
       if child.nodeType == Node.ELEMENT_NODE:
         self.NormalizeXml(child)

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