ceph/src/jaegertracing/opentelemetry-cpp/third_party/googletest/googletest/test/gtest_xml_test_utils.py

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  29
  30 """Unit test utilities for gtest_xml_output"""
  31
  32 import re
  33 from xml.dom import minidom, Node
  34 import gtest_test_utils
  35
  36 GTEST_DEFAULT_OUTPUT_FILE = 'test_detail.xml'
  37
  38 class GTestXMLTestCase(gtest_test_utils.TestCase):
  39   """
  40   Base class for tests of Google Test's XML output functionality.
  41   """
  42
  43
  44   def AssertEquivalentNodes(self, expected_node, actual_node):
  45     """
  46     Asserts that actual_node (a DOM node object) is equivalent to
  47     expected_node (another DOM node object), in that either both of
  48     them are CDATA nodes and have the same value, or both are DOM
  49     elements and actual_node meets all of the following conditions:
  50
  51     *  It has the same tag name as expected_node.
  52     *  It has the same set of attributes as expected_node, each with
  53        the same value as the corresponding attribute of expected_node.
  54        Exceptions are any attribute named "time", which needs only be
  55        convertible to a floating-point number and any attribute named
  56        "type_param" which only has to be non-empty.
  57     *  It has an equivalent set of child nodes (including elements and
  58        CDATA sections) as expected_node.  Note that we ignore the
  59        order of the children as they are not guaranteed to be in any
  60        particular order.
  61     """
  62
  63     if expected_node.nodeType == Node.CDATA_SECTION_NODE:
  64       self.assertEquals(Node.CDATA_SECTION_NODE, actual_node.nodeType)
  65       self.assertEquals(expected_node.nodeValue, actual_node.nodeValue)
  66       return
  67
  68     self.assertEquals(Node.ELEMENT_NODE, actual_node.nodeType)
  69     self.assertEquals(Node.ELEMENT_NODE, expected_node.nodeType)
  70     self.assertEquals(expected_node.tagName, actual_node.tagName)
  71
  72     expected_attributes = expected_node.attributes
  73     actual_attributes   = actual_node  .attributes
  74     self.assertEquals(
  75         expected_attributes.length, actual_attributes.length,
  76         'attribute numbers differ in element %s:\nExpected: %r\nActual: %r' % (
  77             actual_node.tagName, expected_attributes.keys(),
  78             actual_attributes.keys()))
  79     for i in range(expected_attributes.length):
  80       expected_attr = expected_attributes.item(i)
  81       actual_attr   = actual_attributes.get(expected_attr.name)
  82       self.assert_(
  83           actual_attr is not None,
  84           'expected attribute %s not found in element %s' %
  85           (expected_attr.name, actual_node.tagName))
  86       self.assertEquals(
  87           expected_attr.value, actual_attr.value,
  88           ' values of attribute %s in element %s differ: %s vs %s' %
  89           (expected_attr.name, actual_node.tagName,
  90            expected_attr.value, actual_attr.value))
  91
  92     expected_children = self._GetChildren(expected_node)
  93     actual_children = self._GetChildren(actual_node)
  94     self.assertEquals(
  95         len(expected_children), len(actual_children),
  96         'number of child elements differ in element ' + actual_node.tagName)
  97     for child_id, child in expected_children.items():
  98       self.assert_(child_id in actual_children,
  99                    '<%s> is not in <%s> (in element %s)' %
 100                    (child_id, actual_children, actual_node.tagName))
 101       self.AssertEquivalentNodes(child, actual_children[child_id])
 102
 103   identifying_attribute = {
 104       'testsuites': 'name',
 105       'testsuite': 'name',
 106       'testcase': 'name',
 107       'failure': 'message',
 108       'skipped': 'message',
 109       'property': 'name',
 110   }
 111
 112   def _GetChildren(self, element):
 113     """
 114     Fetches all of the child nodes of element, a DOM Element object.
 115     Returns them as the values of a dictionary keyed by the IDs of the
 116     children.  For <testsuites>, <testsuite>, <testcase>, and <property>
 117     elements, the ID is the value of their "name" attribute; for <failure>
 118     elements, it is the value of the "message" attribute; for <properties>
 119     elements, it is the value of their parent's "name" attribute plus the
 120     literal string "properties"; CDATA sections and non-whitespace
 121     text nodes are concatenated into a single CDATA section with ID
 122     "detail".  An exception is raised if any element other than the above
 123     four is encountered, if two child elements with the same identifying
 124     attributes are encountered, or if any other type of node is encountered.
 125     """
 126
 127     children = {}
 128     for child in element.childNodes:
 129       if child.nodeType == Node.ELEMENT_NODE:
 130         if child.tagName == 'properties':
 131           self.assert_(child.parentNode is not None,
 132                        'Encountered <properties> element without a parent')
 133           child_id = child.parentNode.getAttribute('name') + '-properties'
 134         else:
 135           self.assert_(child.tagName in self.identifying_attribute,
 136                        'Encountered unknown element <%s>' % child.tagName)
 137           child_id = child.getAttribute(
 138               self.identifying_attribute[child.tagName])
 139         self.assert_(child_id not in children)
 140         children[child_id] = child
 141       elif child.nodeType in [Node.TEXT_NODE, Node.CDATA_SECTION_NODE]:
 142         if 'detail' not in children:
 143           if (child.nodeType == Node.CDATA_SECTION_NODE or
 144               not child.nodeValue.isspace()):
 145             children['detail'] = child.ownerDocument.createCDATASection(
 146                 child.nodeValue)
 147         else:
 148           children['detail'].nodeValue += child.nodeValue
 149       else:
 150         self.fail('Encountered unexpected node type %d' % child.nodeType)
 151     return children
 152
 153   def NormalizeXml(self, element):
 154     """
 155     Normalizes Google Test's XML output to eliminate references to transient
 156     information that may change from run to run.
 157
 158     *  The "time" attribute of <testsuites>, <testsuite> and <testcase>
 159        elements is replaced with a single asterisk, if it contains
 160        only digit characters.
 161     *  The "timestamp" attribute of <testsuites> elements is replaced with a
 162        single asterisk, if it contains a valid ISO8601 datetime value.
 163     *  The "type_param" attribute of <testcase> elements is replaced with a
 164        single asterisk (if it sn non-empty) as it is the type name returned
 165        by the compiler and is platform dependent.
 166     *  The line info reported in the first line of the "message"
 167        attribute and CDATA section of <failure> elements is replaced with the
 168        file's basename and a single asterisk for the line number.
 169     *  The directory names in file paths are removed.
 170     *  The stack traces are removed.
 171     """
 172
 173     if element.tagName in ('testsuites', 'testsuite', 'testcase'):
 174       timestamp = element.getAttributeNode('timestamp')
 175       timestamp.value = re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d\.\d\d\d$',
 176                                '*', timestamp.value)
 177     if element.tagName in ('testsuites', 'testsuite', 'testcase'):
 178       time = element.getAttributeNode('time')
 179       time.value = re.sub(r'^\d+(\.\d+)?$', '*', time.value)
 180       type_param = element.getAttributeNode('type_param')
 181       if type_param and type_param.value:
 182         type_param.value = '*'
 183     elif element.tagName == 'failure' or element.tagName == 'skipped':
 184       source_line_pat = r'^.*[/\\](.*:)\d+\n'
 185       # Replaces the source line information with a normalized form.
 186       message = element.getAttributeNode('message')
 187       message.value = re.sub(source_line_pat, '\\1*\n', message.value)
 188       for child in element.childNodes:
 189         if child.nodeType == Node.CDATA_SECTION_NODE:
 190           # Replaces the source line information with a normalized form.
 191           cdata = re.sub(source_line_pat, '\\1*\n', child.nodeValue)
 192           # Removes the actual stack trace.
 193           child.nodeValue = re.sub(r'Stack trace:\n(.|\n)*',
 194                                    'Stack trace:\n*', cdata)
 195     for child in element.childNodes:
 196       if child.nodeType == Node.ELEMENT_NODE:
 197         self.NormalizeXml(child)