File: junit_xml.py

package info (click to toggle)
jython 2.5.3-16%2Bdeb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 43,772 kB
  • ctags: 106,434
  • sloc: python: 351,322; java: 216,349; xml: 1,584; sh: 330; perl: 114; ansic: 102; makefile: 45
file content (278 lines) | stat: -rw-r--r-- 8,611 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
"""Support for writing JUnit XML test results for the regrtest"""
import os
import re
import sys
import time
import traceback
import unittest
from StringIO import StringIO
from xml.sax import saxutils

# Invalid XML characters (control chars)
EVIL_CHARACTERS_RE = re.compile(r"[\000-\010\013\014\016-\037]")

class JUnitXMLTestRunner:

    """A unittest runner that writes results to a JUnit XML file in
    xml_dir
    """

    def __init__(self, xml_dir):
        self.xml_dir = xml_dir

    def run(self, test):
        result = JUnitXMLTestResult(self.xml_dir)
        test(result)
        result.write_xml()
        return result


class JUnitXMLTestResult(unittest.TestResult):

    """JUnit XML test result writer.

    The name of the file written to is determined from the full module
    name of the first test ran
    """

    def __init__(self, xml_dir):
        unittest.TestResult.__init__(self)
        self.xml_dir = xml_dir

        # The module name of the first test ran
        self.module_name = None

        # All TestCases
        self.tests = []

        # Start time
        self.start = None

        self.old_stdout = sys.stdout
        self.old_stderr = sys.stderr
        sys.stdout = self.stdout = Tee(sys.stdout)
        sys.stderr = self.stderr = Tee(sys.stderr)

    def startTest(self, test):
        unittest.TestResult.startTest(self, test)
        self.ensure_module_name(test)
        self.error, self.failure = None, None
        self.start = time.time()

    def stopTest(self, test):
        took = time.time() - self.start
        unittest.TestResult.stopTest(self, test)
        args = [test, took]
        if self.error:
            args.extend(['error', self.error])
        elif self.failure:
            args.extend(['failure', self.failure])
        self.tests.append(TestInfo.from_testcase(*args))

    def addError(self, test, err):
        unittest.TestResult.addError(self, test, err)
        self.error = err

    def addFailure(self, test, err):
        unittest.TestResult.addFailure(self, test, err)
        self.failure = err

    def ensure_module_name(self, test):
        """Set self.module_name from test if not already set"""
        if not self.module_name:
            self.module_name = '.'.join(test.id().split('.')[:-1])

    def write_xml(self):
        if not self.module_name:
            # No tests ran, nothing to write
            return
        took = time.time() - self.start

        stdout = self.stdout.getvalue()
        stderr = self.stderr.getvalue()
        sys.stdout = self.old_stdout
        sys.stderr = self.old_stderr

        ensure_dir(self.xml_dir)
        filename = os.path.join(self.xml_dir, 'TEST-%s.xml' % self.module_name)
        stream = open(filename, 'w')

        write_testsuite_xml(stream, len(self.tests), len(self.errors),
                            len(self.failures), 0, self.module_name, took)

        for info in self.tests:
            info.write_xml(stream)

        write_stdouterr_xml(stream, stdout, stderr)

        stream.write('</testsuite>')
        stream.close()


class TestInfo(object):

    """The JUnit XML <testcase/> model."""

    def __init__(self, name, took, type=None, exc_info=None):
        # The name of the test
        self.name = name

        # How long it took
        self.took = took

        # Type of test: 'error', 'failure' 'skipped', or None for a
        # success
        self.type = type

        if exc_info:
            self.exc_name = exc_name(exc_info)
            self.message = exc_message(exc_info)
            self.traceback = safe_str(''.join(
                    traceback.format_exception(*exc_info)))
        else:
            self.exc_name = self.message = self.traceback = ''

    @classmethod
    def from_testcase(cls, testcase, took, type=None, exc_info=None):
        name = testcase.id().split('.')[-1]
        return cls(name, took, type, exc_info)

    def write_xml(self, stream):
        stream.write('  <testcase name="%s" time="%.3f"' % (self.name,
                                                            self.took))

        if not self.type:
            # test was successful
            stream.write('/>\n')
            return

        stream.write('>\n    <%s type="%s" message=%s><![CDATA[%s]]></%s>\n' %
                     (self.type, self.exc_name, saxutils.quoteattr(self.message),
                      escape_cdata(self.traceback), self.type))
        stream.write('  </testcase>\n')


class Tee(StringIO):

    """Writes data to this StringIO and a separate stream"""

    def __init__(self, stream):
        StringIO.__init__(self)
        self.stream = stream

    def write(self, data):
        StringIO.write(self, data)
        self.stream.write(data)

    def flush(self):
        StringIO.flush(self)
        self.stream.flush()


def write_testsuite_xml(stream, tests, errors, failures, skipped, name, took):
    """Write the XML header (<testsuite/>)"""
    stream.write('<?xml version="1.0" encoding="utf-8"?>\n')
    stream.write('<testsuite tests="%d" errors="%d" failures="%d" ' %
                 (tests, errors, failures))
    stream.write('skipped="%d" name="%s" time="%.3f">\n' % (skipped, name,
                                                            took))

def write_stdouterr_xml(stream, stdout, stderr):
    """Write the stdout/err tags"""
    if stdout:
        stream.write('  <system-out><![CDATA[%s]]></system-out>\n' %
                     escape_cdata(safe_str(stdout)))
    if stderr:
        stream.write('  <system-err><![CDATA[%s]]></system-err>\n' %
                     escape_cdata(safe_str(stderr)))


def write_direct_test(junit_xml_dir, name, took, type=None, exc_info=None,
                      stdout=None, stderr=None):
    """Write XML for a regrtest 'direct' test; a test which was ran on
    import (which we label as __main__.__import__)
    """
    return write_manual_test(junit_xml_dir, '%s.__main__' % name, '__import__',
                             took, type, exc_info, stdout, stderr)


def write_doctest(junit_xml_dir, name, took, type=None, exc_info=None,
                  stdout=None, stderr=None):
    """Write XML for a regrtest doctest, labeled as __main__.__doc__"""
    return write_manual_test(junit_xml_dir, '%s.__main__' % name, '__doc__',
                             took, type, exc_info, stdout, stderr)


def write_manual_test(junit_xml_dir, module_name, test_name, took, type=None,
                      exc_info=None, stdout=None, stderr=None):
    """Manually write XML for one test, outside of unittest"""
    errors = type == 'error' and 1 or 0
    failures = type == 'failure' and 1 or 0
    skipped = type == 'skipped' and 1 or 0

    ensure_dir(junit_xml_dir)
    stream = open(os.path.join(junit_xml_dir, 'TEST-%s.xml' % module_name),
                  'w')

    write_testsuite_xml(stream, 1, errors, failures, skipped, module_name,
                        took)

    info = TestInfo(test_name, took, type, exc_info)
    info.write_xml(stream)

    write_stdouterr_xml(stream, stdout, stderr)

    stream.write('</testsuite>')
    stream.close()


def ensure_dir(dir):
    """Ensure dir exists"""
    if not os.path.exists(dir):
        os.mkdir(dir)


def exc_name(exc_info):
    """Determine the full name of the exception that caused exc_info"""
    exc = exc_info[1]
    name = getattr(exc.__class__, '__module__', '')
    if name:
        name += '.'
    return name + exc.__class__.__name__


def exc_message(exc_info):
    """Safely return a short message passed through safe_str describing
    exc_info, being careful of unicode values.
    """
    exc = exc_info[1]
    if exc is None:
        return safe_str(exc_info[0])
    if isinstance(exc, BaseException) and isinstance(exc.message, unicode):
        return safe_str(exc.message)
    try:
        return safe_str(str(exc))
    except UnicodeEncodeError:
        try:
            val = unicode(exc)
            return safe_str(val)
        except UnicodeDecodeError:
            return '?'


def escape_cdata(cdata):
    """Escape a string for an XML CDATA section"""
    return cdata.replace(']]>', ']]>]]&gt;<![CDATA[')


def safe_str(base):
    """Return a str valid for UTF-8 XML from a basestring"""
    if isinstance(base, unicode):
        return remove_evil(base.encode('utf-8', 'replace'))
    return remove_evil(base.decode('utf-8', 'replace').encode('utf-8',
                                                              'replace'))


def remove_evil(string):
    """Remove control characters from a string"""
    return EVIL_CHARACTERS_RE.sub('?', string)