All Downloads are FREE. Search and download functionalities are using the official Maven repository.

Lib.test.junit_xml.py Maven / Gradle / Ivy

Go to download

Jython is an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform. It thus allows you to run Python on any Java platform.

There is a newer version: 2.7.4
Show newest version
"""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('')
        stream.close()


class TestInfo(object):

    """The JUnit XML  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('  \n')
            return

        stream.write('>\n    <%s type="%s" message=%s>\n' %
                     (self.type, self.exc_name, saxutils.quoteattr(self.message),
                      escape_cdata(self.traceback), self.type))
        stream.write('  \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 ()"""
    stream.write('\n')
    stream.write('\n' % (skipped, name,
                                                            took))

def write_stdouterr_xml(stream, stdout, stderr):
    """Write the stdout/err tags"""
    if stdout:
        stream.write('  \n' %
                     escape_cdata(safe_str(stdout)))
    if stderr:
        stream.write('  \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('')
    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.args[0], unicode):
        return safe_str(exc.args[0])
    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(']]>', ']]>]]>




© 2015 - 2024 Weber Informatics LLC | Privacy Policy