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#!/usr/bin/env python
# -*- coding: UTF-8 -*-
from collections import defaultdict
import sys
import re
import xml.etree.ElementTree as ET
import xml.dom.minidom
from six import u, iteritems, PY2
# Python 2
except NameError: # pragma: nocover
# Python 3
unichr = chr
Based on the understanding of what Jenkins can parse for JUnit XML files.
<?xml version="1.0" encoding="utf-8"?>
<testsuites errors="1" failures="1" tests="4" time="45">
<testsuite errors="1" failures="1" hostname="localhost" id="0" name="test1"
package="testdb" tests="4" timestamp="2012-11-15T01:02:29">
<property name="assert-passed" value="1"/>
<testcase classname="" name="1-passed-test" time="10"/>
<testcase classname="" name="2-failed-test" time="20">
<failure message="Assertion FAILED: failed assert" type="failure">
the output of the testcase
<testcase classname="" name="3-errord-test" time="15">
<error message="Assertion ERROR: error assert" type="error">
the output of the testcase
<testcase classname="" name="3-skipped-test" time="0">
<skipped message="SKIPPED Test" type="skipped">
the output of the testcase
<testcase classname="" name="3-passed-test" time="10">
I am system output
I am the error output
def decode(var, encoding):
If not already unicode, decode it.
if PY2:
if isinstance(var, unicode):
ret = var
elif isinstance(var, str):
if encoding:
ret = var.decode(encoding)
ret = unicode(var)
ret = unicode(var)
ret = str(var)
return ret
class TestSuite(object):
Suite of test cases.
Can handle unicode strings or binary strings if their encoding is provided.
def __init__(self, name, test_cases=None, hostname=None, id=None,
package=None, timestamp=None, properties=None, file=None,
log=None, url=None, stdout=None, stderr=None): = name
if not test_cases:
test_cases = []
except TypeError:
raise Exception('test_cases must be a list of test cases')
self.test_cases = test_cases
self.timestamp = timestamp
self.hostname = hostname = id
self.package = package
self.file = file
self.log = log
self.url = url
self.stdout = stdout
self.stderr = stderr = properties
def build_xml_doc(self, encoding=None):
Builds the XML document for the JUnit test suite.
Produces clean unicode strings and decodes non-unicode with the help of encoding.
@param encoding: Used to decode encoded strings.
@return: XML document with unicode string elements
# build the test suite element
test_suite_attributes = dict()
test_suite_attributes['name'] = decode(, encoding)
if any(c.assertions for c in self.test_cases):
test_suite_attributes['assertions'] = \
str(sum([int(c.assertions) for c in self.test_cases if c.assertions]))
test_suite_attributes['disabled'] = \
str(len([c for c in self.test_cases if not c.is_enabled]))
test_suite_attributes['failures'] = \
str(len([c for c in self.test_cases if c.is_failure()]))
test_suite_attributes['errors'] = \
str(len([c for c in self.test_cases if c.is_error()]))
test_suite_attributes['skipped'] = \
str(len([c for c in self.test_cases if c.is_skipped()]))
test_suite_attributes['time'] = \
str(sum(c.elapsed_sec for c in self.test_cases if c.elapsed_sec))
test_suite_attributes['tests'] = str(len(self.test_cases))
if self.hostname:
test_suite_attributes['hostname'] = decode(self.hostname, encoding)
test_suite_attributes['id'] = decode(, encoding)
if self.package:
test_suite_attributes['package'] = decode(self.package, encoding)
if self.timestamp:
test_suite_attributes['timestamp'] = decode(self.timestamp, encoding)
if self.file:
test_suite_attributes['file'] = decode(self.file, encoding)
if self.log:
test_suite_attributes['log'] = decode(self.log, encoding)
if self.url:
test_suite_attributes['url'] = decode(self.url, encoding)
xml_element = ET.Element("testsuite", test_suite_attributes)
# add any properties
props_element = ET.SubElement(xml_element, "properties")
for k, v in
attrs = {'name': decode(k, encoding), 'value': decode(v, encoding)}
ET.SubElement(props_element, "property", attrs)
# add test suite stdout
if self.stdout:
stdout_element = ET.SubElement(xml_element, "system-out")
stdout_element.text = decode(self.stdout, encoding)
# add test suite stderr
if self.stderr:
stderr_element = ET.SubElement(xml_element, "system-err")
stderr_element.text = decode(self.stderr, encoding)
# test cases
for case in self.test_cases:
test_case_attributes = dict()
test_case_attributes['name'] = decode(, encoding)
if case.assertions:
# Number of assertions in the test case
test_case_attributes['assertions'] = "%d" % case.assertions
if case.elapsed_sec:
test_case_attributes['time'] = "%f" % case.elapsed_sec
if case.timestamp:
test_case_attributes['timestamp'] = decode(case.timestamp, encoding)
if case.classname:
test_case_attributes['classname'] = decode(case.classname, encoding)
if case.status:
test_case_attributes['status'] = decode(case.status, encoding)
if case.category:
test_case_attributes['class'] = decode(case.category, encoding)
if case.file:
test_case_attributes['file'] = decode(case.file, encoding)
if case.line:
test_case_attributes['line'] = decode(case.line, encoding)
if case.log:
test_case_attributes['log'] = decode(case.log, encoding)
if case.url:
test_case_attributes['url'] = decode(case.url, encoding)
test_case_element = ET.SubElement(
xml_element, "testcase", test_case_attributes)
# failures
if case.is_failure():
attrs = {'type': 'failure'}
if case.failure_message:
attrs['message'] = decode(case.failure_message, encoding)
if case.failure_type:
attrs['type'] = decode(case.failure_type, encoding)
failure_element = ET.Element("failure", attrs)
if case.failure_output:
failure_element.text = decode(case.failure_output, encoding)
# errors
if case.is_error():
attrs = {'type': 'error'}
if case.error_message:
attrs['message'] = decode(case.error_message, encoding)
if case.error_type:
attrs['type'] = decode(case.error_type, encoding)
error_element = ET.Element("error", attrs)
if case.error_output:
error_element.text = decode(case.error_output, encoding)
# skippeds
if case.is_skipped():
attrs = {'type': 'skipped'}
if case.skipped_message:
attrs['message'] = decode(case.skipped_message, encoding)
skipped_element = ET.Element("skipped", attrs)
if case.skipped_output:
skipped_element.text = decode(case.skipped_output, encoding)
# test stdout
if case.stdout:
stdout_element = ET.Element("system-out")
stdout_element.text = decode(case.stdout, encoding)
# test stderr
if case.stderr:
stderr_element = ET.Element("system-err")
stderr_element.text = decode(case.stderr, encoding)
return xml_element
def to_xml_string(test_suites, prettyprint=True, encoding=None):
Returns the string representation of the JUnit XML document.
@param encoding: The encoding of the input.
@return: unicode string
except TypeError:
raise Exception('test_suites must be a list of test suites')
xml_element = ET.Element("testsuites")
attributes = defaultdict(int)
for ts in test_suites:
ts_xml = ts.build_xml_doc(encoding=encoding)
for key in ['failures', 'errors', 'tests', 'disabled']:
attributes[key] += int(ts_xml.get(key, 0))
for key in ['time']:
attributes[key] += float(ts_xml.get(key, 0))
for key, value in iteritems(attributes):
xml_element.set(key, str(value))
xml_string = ET.tostring(xml_element, encoding=encoding)
# is encoded now
xml_string = TestSuite._clean_illegal_xml_chars(
xml_string.decode(encoding or 'utf-8'))
# is unicode now
if prettyprint:
# minidom.parseString() works just on correctly encoded binary strings
xml_string = xml_string.encode(encoding or 'utf-8')
xml_string = xml.dom.minidom.parseString(xml_string)
# toprettyxml() produces unicode if no encoding is being passed or binary string with an encoding
xml_string = xml_string.toprettyxml(encoding=encoding)
if encoding:
xml_string = xml_string.decode(encoding)
# is unicode now
return xml_string
def to_file(file_descriptor, test_suites, prettyprint=True, encoding=None):
Writes the JUnit XML document to a file.
xml_string = TestSuite.to_xml_string(
test_suites, prettyprint=prettyprint, encoding=encoding)
# has problems with encoded str with non-ASCII (non-default-encoding) characters!
def _clean_illegal_xml_chars(string_to_clean):
Removes any illegal unicode characters from the given XML string.
illegal_unichrs = [
(0x00, 0x08), (0x0B, 0x1F), (0x7F, 0x84), (0x86, 0x9F),
(0xD800, 0xDFFF), (0xFDD0, 0xFDDF), (0xFFFE, 0xFFFF),
(0x1FFFE, 0x1FFFF), (0x2FFFE, 0x2FFFF), (0x3FFFE, 0x3FFFF),
(0x4FFFE, 0x4FFFF), (0x5FFFE, 0x5FFFF), (0x6FFFE, 0x6FFFF),
(0x7FFFE, 0x7FFFF), (0x8FFFE, 0x8FFFF), (0x9FFFE, 0x9FFFF),
(0x10FFFE, 0x10FFFF)]
illegal_ranges = ["%s-%s" % (unichr(low), unichr(high))
for (low, high) in illegal_unichrs
if low < sys.maxunicode]
illegal_xml_re = re.compile(u('[%s]') % u('').join(illegal_ranges))
return illegal_xml_re.sub('', string_to_clean)
class TestCase(object):
"""A JUnit test case with a result and possibly some stdout or stderr"""
def __init__(self, name, classname=None, elapsed_sec=None, stdout=None,
stderr=None, assertions=None, timestamp=None, status=None,
category=None, file=None, line=None, log=None, group=None,
url=None): = name
self.assertions = assertions
self.elapsed_sec = elapsed_sec
self.timestamp = timestamp
self.classname = classname
self.status = status
self.category = category
self.file = file
self.line = line
self.log = log
self.url = url
self.stdout = stdout
self.stderr = stderr
self.is_enabled = True
self.error_message = None
self.error_output = None
self.error_type = None
self.failure_message = None
self.failure_output = None
self.failure_type = None
self.skipped_message = None
self.skipped_output = None
def add_error_info(self, message=None, output=None, error_type=None):
"""Adds an error message, output, or both to the test case"""
if message:
self.error_message = message
if output:
self.error_output = output
if error_type:
self.error_type = error_type
def add_failure_info(self, message=None, output=None, failure_type=None):
"""Adds a failure message, output, or both to the test case"""
if message:
self.failure_message = message
if output:
self.failure_output = output
if failure_type:
self.failure_type = failure_type
def add_skipped_info(self, message=None, output=None):
"""Adds a skipped message, output, or both to the test case"""
if message:
self.skipped_message = message
if output:
self.skipped_output = output
def is_failure(self):
"""returns true if this test case is a failure"""
return self.failure_output or self.failure_message
def is_error(self):
"""returns true if this test case is an error"""
return self.error_output or self.error_message
def is_skipped(self):
"""returns true if this test case has been skipped"""
return self.skipped_output or self.skipped_message