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

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rwxr-xr-x

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 #!/usr/bin/env python
michael@0 2 #
michael@0 3 # Copyright 2006, Google Inc.
michael@0 4 # All rights reserved.
michael@0 5 #
michael@0 6 # Redistribution and use in source and binary forms, with or without
michael@0 7 # modification, are permitted provided that the following conditions are
michael@0 8 # met:
michael@0 9 #
michael@0 10 # * Redistributions of source code must retain the above copyright
michael@0 11 # notice, this list of conditions and the following disclaimer.
michael@0 12 # * Redistributions in binary form must reproduce the above
michael@0 13 # copyright notice, this list of conditions and the following disclaimer
michael@0 14 # in the documentation and/or other materials provided with the
michael@0 15 # distribution.
michael@0 16 # * Neither the name of Google Inc. nor the names of its
michael@0 17 # contributors may be used to endorse or promote products derived from
michael@0 18 # this software without specific prior written permission.
michael@0 19 #
michael@0 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0 24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0 25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0 26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0 27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0 28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0 29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0 30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 31
michael@0 32 """Unit test utilities for gtest_xml_output"""
michael@0 33
michael@0 34 __author__ = 'eefacm@gmail.com (Sean Mcafee)'
michael@0 35
michael@0 36 import re
michael@0 37 from xml.dom import minidom, Node
michael@0 38
michael@0 39 import gtest_test_utils
michael@0 40
michael@0 41
michael@0 42 GTEST_OUTPUT_FLAG = '--gtest_output'
michael@0 43 GTEST_DEFAULT_OUTPUT_FILE = 'test_detail.xml'
michael@0 44
michael@0 45 class GTestXMLTestCase(gtest_test_utils.TestCase):
michael@0 46 """
michael@0 47 Base class for tests of Google Test's XML output functionality.
michael@0 48 """
michael@0 49
michael@0 50
michael@0 51 def AssertEquivalentNodes(self, expected_node, actual_node):
michael@0 52 """
michael@0 53 Asserts that actual_node (a DOM node object) is equivalent to
michael@0 54 expected_node (another DOM node object), in that either both of
michael@0 55 them are CDATA nodes and have the same value, or both are DOM
michael@0 56 elements and actual_node meets all of the following conditions:
michael@0 57
michael@0 58 * It has the same tag name as expected_node.
michael@0 59 * It has the same set of attributes as expected_node, each with
michael@0 60 the same value as the corresponding attribute of expected_node.
michael@0 61 Exceptions are any attribute named "time", which needs only be
michael@0 62 convertible to a floating-point number and any attribute named
michael@0 63 "type_param" which only has to be non-empty.
michael@0 64 * It has an equivalent set of child nodes (including elements and
michael@0 65 CDATA sections) as expected_node. Note that we ignore the
michael@0 66 order of the children as they are not guaranteed to be in any
michael@0 67 particular order.
michael@0 68 """
michael@0 69
michael@0 70 if expected_node.nodeType == Node.CDATA_SECTION_NODE:
michael@0 71 self.assertEquals(Node.CDATA_SECTION_NODE, actual_node.nodeType)
michael@0 72 self.assertEquals(expected_node.nodeValue, actual_node.nodeValue)
michael@0 73 return
michael@0 74
michael@0 75 self.assertEquals(Node.ELEMENT_NODE, actual_node.nodeType)
michael@0 76 self.assertEquals(Node.ELEMENT_NODE, expected_node.nodeType)
michael@0 77 self.assertEquals(expected_node.tagName, actual_node.tagName)
michael@0 78
michael@0 79 expected_attributes = expected_node.attributes
michael@0 80 actual_attributes = actual_node .attributes
michael@0 81 self.assertEquals(
michael@0 82 expected_attributes.length, actual_attributes.length,
michael@0 83 'attribute numbers differ in element ' + actual_node.tagName)
michael@0 84 for i in range(expected_attributes.length):
michael@0 85 expected_attr = expected_attributes.item(i)
michael@0 86 actual_attr = actual_attributes.get(expected_attr.name)
michael@0 87 self.assert_(
michael@0 88 actual_attr is not None,
michael@0 89 'expected attribute %s not found in element %s' %
michael@0 90 (expected_attr.name, actual_node.tagName))
michael@0 91 self.assertEquals(expected_attr.value, actual_attr.value,
michael@0 92 ' values of attribute %s in element %s differ' %
michael@0 93 (expected_attr.name, actual_node.tagName))
michael@0 94
michael@0 95 expected_children = self._GetChildren(expected_node)
michael@0 96 actual_children = self._GetChildren(actual_node)
michael@0 97 self.assertEquals(
michael@0 98 len(expected_children), len(actual_children),
michael@0 99 'number of child elements differ in element ' + actual_node.tagName)
michael@0 100 for child_id, child in expected_children.iteritems():
michael@0 101 self.assert_(child_id in actual_children,
michael@0 102 '<%s> is not in <%s> (in element %s)' %
michael@0 103 (child_id, actual_children, actual_node.tagName))
michael@0 104 self.AssertEquivalentNodes(child, actual_children[child_id])
michael@0 105
michael@0 106 identifying_attribute = {
michael@0 107 'testsuites': 'name',
michael@0 108 'testsuite': 'name',
michael@0 109 'testcase': 'name',
michael@0 110 'failure': 'message',
michael@0 111 }
michael@0 112
michael@0 113 def _GetChildren(self, element):
michael@0 114 """
michael@0 115 Fetches all of the child nodes of element, a DOM Element object.
michael@0 116 Returns them as the values of a dictionary keyed by the IDs of the
michael@0 117 children. For <testsuites>, <testsuite> and <testcase> elements, the ID
michael@0 118 is the value of their "name" attribute; for <failure> elements, it is
michael@0 119 the value of the "message" attribute; CDATA sections and non-whitespace
michael@0 120 text nodes are concatenated into a single CDATA section with ID
michael@0 121 "detail". An exception is raised if any element other than the above
michael@0 122 four is encountered, if two child elements with the same identifying
michael@0 123 attributes are encountered, or if any other type of node is encountered.
michael@0 124 """
michael@0 125
michael@0 126 children = {}
michael@0 127 for child in element.childNodes:
michael@0 128 if child.nodeType == Node.ELEMENT_NODE:
michael@0 129 self.assert_(child.tagName in self.identifying_attribute,
michael@0 130 'Encountered unknown element <%s>' % child.tagName)
michael@0 131 childID = child.getAttribute(self.identifying_attribute[child.tagName])
michael@0 132 self.assert_(childID not in children)
michael@0 133 children[childID] = child
michael@0 134 elif child.nodeType in [Node.TEXT_NODE, Node.CDATA_SECTION_NODE]:
michael@0 135 if 'detail' not in children:
michael@0 136 if (child.nodeType == Node.CDATA_SECTION_NODE or
michael@0 137 not child.nodeValue.isspace()):
michael@0 138 children['detail'] = child.ownerDocument.createCDATASection(
michael@0 139 child.nodeValue)
michael@0 140 else:
michael@0 141 children['detail'].nodeValue += child.nodeValue
michael@0 142 else:
michael@0 143 self.fail('Encountered unexpected node type %d' % child.nodeType)
michael@0 144 return children
michael@0 145
michael@0 146 def NormalizeXml(self, element):
michael@0 147 """
michael@0 148 Normalizes Google Test's XML output to eliminate references to transient
michael@0 149 information that may change from run to run.
michael@0 150
michael@0 151 * The "time" attribute of <testsuites>, <testsuite> and <testcase>
michael@0 152 elements is replaced with a single asterisk, if it contains
michael@0 153 only digit characters.
michael@0 154 * The "timestamp" attribute of <testsuites> elements is replaced with a
michael@0 155 single asterisk, if it contains a valid ISO8601 datetime value.
michael@0 156 * The "type_param" attribute of <testcase> elements is replaced with a
michael@0 157 single asterisk (if it sn non-empty) as it is the type name returned
michael@0 158 by the compiler and is platform dependent.
michael@0 159 * The line info reported in the first line of the "message"
michael@0 160 attribute and CDATA section of <failure> elements is replaced with the
michael@0 161 file's basename and a single asterisk for the line number.
michael@0 162 * The directory names in file paths are removed.
michael@0 163 * The stack traces are removed.
michael@0 164 """
michael@0 165
michael@0 166 if element.tagName == 'testsuites':
michael@0 167 timestamp = element.getAttributeNode('timestamp')
michael@0 168 timestamp.value = re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d$',
michael@0 169 '*', timestamp.value)
michael@0 170 if element.tagName in ('testsuites', 'testsuite', 'testcase'):
michael@0 171 time = element.getAttributeNode('time')
michael@0 172 time.value = re.sub(r'^\d+(\.\d+)?$', '*', time.value)
michael@0 173 type_param = element.getAttributeNode('type_param')
michael@0 174 if type_param and type_param.value:
michael@0 175 type_param.value = '*'
michael@0 176 elif element.tagName == 'failure':
michael@0 177 source_line_pat = r'^.*[/\\](.*:)\d+\n'
michael@0 178 # Replaces the source line information with a normalized form.
michael@0 179 message = element.getAttributeNode('message')
michael@0 180 message.value = re.sub(source_line_pat, '\\1*\n', message.value)
michael@0 181 for child in element.childNodes:
michael@0 182 if child.nodeType == Node.CDATA_SECTION_NODE:
michael@0 183 # Replaces the source line information with a normalized form.
michael@0 184 cdata = re.sub(source_line_pat, '\\1*\n', child.nodeValue)
michael@0 185 # Removes the actual stack trace.
michael@0 186 child.nodeValue = re.sub(r'\nStack trace:\n(.|\n)*',
michael@0 187 '', cdata)
michael@0 188 for child in element.childNodes:
michael@0 189 if child.nodeType == Node.ELEMENT_NODE:
michael@0 190 self.NormalizeXml(child)

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