Python使用TestLoader、TestSuite、HTMLTestRunner组织测试用例实例

Wesley13
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HTMLTestRunner.py:http://tungwaiyip.info/software/HTMLTestRunner.html

上述的生成html格式的测试报告的库文件下载链接,如果下载不成,我会在文章底部附上该文件源码。

该篇文章是讲述一个文件包含两个测试用例,如何组织运行。整体的架构如下:

Python使用TestLoader、TestSuite、HTMLTestRunner组织测试用例实例

关于calcutor前的文章有相应的源码。可以找到,下面附出withTestLoader.py的源码:

#coding=utf8 
'''
unittest提供一个TestLoader类用于自动创建一个测试集并把单个测试放入到测试集中。
TestLoader自动运行测试用例以test开头的方法的测试方法。
在多个测试用例在决定运行哪个测试用例的策略是通过内建函数对测试函数名排序决定的。

通常习惯将测试集组合在一起,以便系统一次运行所有的测试用例。
TestSuite实例添加到一个TestSuite中就像把一个TestCase实例添加到一个TestSuite中。
-----------------------------------------------------------------------------------------
suite1=module1.TheTestSuite()
suite2=module2.TheTestSuite()
alltests=unittest.TestSuite([suite1,suite2])
-----------------------------------------------------------------------------------------

可以将测试用例和测试套件的定义放在与要测试的代码相同的模块中,但将测试代码放在单独的模块中有几个好处:
1、测试模块可以从命令行独立运行。
2、测试代码可以更容易地与运输代码分开。
3、有更少的诱惑改变测试代码,以适应代码测试没有一个很好的理由。
4、测试代码的修改频率要比它测试的代码少得多。
5、测试代码可以更容易重构。
6、用C编写的模块的测试必须在单独的模块中,所以为什么不一致?
7、如果测试策略更改,则不需要更改源代码。
'''
from __future__ import division
from Lib.HTMLTestRunner import HTMLTestRunner
from unittest  import TestCase,TestLoader,TestSuite
from source.calcutor import calculatorClass

class TestMul(TestCase):
    def setUp(self):
        pass
    
    def test_defaultMul(self):
        cal=calculatorClass()
        self.assertEqual(cal.mul(),200 , "The result should be equal 200")
    
    def test_negtiveMul(self):
        cal=calculatorClass(-10,-25)
        self.assertEqual(cal.mul(),250 , "The result should be equal 250")
        
    def test_floatMul(self):
        cal=calculatorClass(0.25,0.4)
        self.assertEqual(cal.mul(),0.1, "The result should be equal 0.1")
    
    def tearDown(self):
        pass
    
class TestDiv(TestCase):
    def setUp(self):
        pass
    
    def test_defaultDiv(self):
        cal=calculatorClass()
        self.assertEqual(cal.mul(),0.5 , "The result should be equal 0.5")
    
    def test_negtiveDiv(self):
        cal=calculatorClass(-10,-25)
        self.assertEqual(cal.mul(),0.4 , "The result should be equal 250")
        
    def test_floatDiv(self):
        cal=calculatorClass(0.24,0.4)
        self.assertEqual(cal.mul(),0.6, "The result should be equal 0.1")
    
    def tearDown(self):
        pass
             
def allTest():
    ''' 创建测试集'''   
    suite1=TestLoader().loadTestsFromTestCase(TestMul)
    suite2=TestLoader().loadTestsFromTestCase(TestDiv)
    alltests=TestSuite([suite1,suite2])
    return alltests

if __name__=="__main__":
    '''创建保存测试结果的文件'''
    html=file("..\\report.html","wb+")
    '''调用HTMLTestRunner类生成html格式测试运行报告'''
    runner=HTMLTestRunner(stream=html,title="Test Report",description="The state of the run testcase")
    runner.run(allTest())
    html.close()

测试运行结果报告如下:

Python使用TestLoader、TestSuite、HTMLTestRunner组织测试用例实例

附录:

HTMLTestRunner.py

"""
A TestRunner for use with the Python unit testing framework. It
generates a HTML report to show the result at a glance.

The simplest way to use this is to invoke its main method. E.g.

    import unittest
    import HTMLTestRunner

    ... define your tests ...

    if __name__ == '__main__':
        HTMLTestRunner.main()


For more customization options, instantiates a HTMLTestRunner object.
HTMLTestRunner is a counterpart to unittest's TextTestRunner. E.g.

    # output to a file
    fp = file('my_report.html', 'wb')
    runner = HTMLTestRunner.HTMLTestRunner(
                stream=fp,
                title='My unit test',
                description='This demonstrates the report output by HTMLTestRunner.'
                )

    # Use an external stylesheet.
    # See the Template_mixin class for more customizable options
    runner.STYLESHEET_TMPL = '<link rel="stylesheet" href="my_stylesheet.css" type="text/css">'

    # run the test
    runner.run(my_test_suite)


------------------------------------------------------------------------
Copyright (c) 2004-2007, Wai Yip Tung
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

* Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in the
  documentation and/or other materials provided with the distribution.
* Neither the name Wai Yip Tung nor the names of its contributors may be
  used to endorse or promote products derived from this software without
  specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""

# URL: http://tungwaiyip.info/software/HTMLTestRunner.html

__author__ = "Wai Yip Tung"
__version__ = "0.8.2"


"""
Change History

Version 0.8.2
* Show output inline instead of popup window (Viorel Lupu).

Version in 0.8.1
* Validated XHTML (Wolfgang Borgert).
* Added description of test classes and test cases.

Version in 0.8.0
* Define Template_mixin class for customization.
* Workaround a IE 6 bug that it does not treat <script> block as CDATA.

Version in 0.7.1
* Back port to Python 2.3 (Frank Horowitz).
* Fix missing scroll bars in detail log (Podi).
"""

# TODO: color stderr
# TODO: simplify javascript using ,ore than 1 class in the class attribute?

import datetime
import StringIO
import sys
import time
import unittest
from xml.sax import saxutils


# ------------------------------------------------------------------------
# The redirectors below are used to capture output during testing. Output
# sent to sys.stdout and sys.stderr are automatically captured. However
# in some cases sys.stdout is already cached before HTMLTestRunner is
# invoked (e.g. calling logging.basicConfig). In order to capture those
# output, use the redirectors for the cached stream.
#
# e.g.
#   >>> logging.basicConfig(stream=HTMLTestRunner.stdout_redirector)
#   >>>

class OutputRedirector(object):
    """ Wrapper to redirect stdout or stderr """
    def __init__(self, fp):
        self.fp = fp

    def write(self, s):
        self.fp.write(s)

    def writelines(self, lines):
        self.fp.writelines(lines)

    def flush(self):
        self.fp.flush()

stdout_redirector = OutputRedirector(sys.stdout)
stderr_redirector = OutputRedirector(sys.stderr)



# ----------------------------------------------------------------------
# Template

class Template_mixin(object):
    """
    Define a HTML template for report customerization and generation.

    Overall structure of an HTML report

    HTML
    +------------------------+
    |<html>                  |
    |  <head>                |
    |                        |
    |   STYLESHEET           |
    |   +----------------+   |
    |   |                |   |
    |   +----------------+   |
    |                        |
    |  </head>               |
    |                        |
    |  <body>                |
    |                        |
    |   HEADING              |
    |   +----------------+   |
    |   |                |   |
    |   +----------------+   |
    |                        |
    |   REPORT               |
    |   +----------------+   |
    |   |                |   |
    |   +----------------+   |
    |                        |
    |   ENDING               |
    |   +----------------+   |
    |   |                |   |
    |   +----------------+   |
    |                        |
    |  </body>               |
    |</html>                 |
    +------------------------+
    """

    STATUS = {
    0: 'pass',
    1: 'fail',
    2: 'error',
    }

    DEFAULT_TITLE = 'Unit Test Report'
    DEFAULT_DESCRIPTION = ''

    # ------------------------------------------------------------------------
    # HTML Template

    HTML_TMPL = r"""<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>%(title)s</title>
    <meta name="generator" content="%(generator)s"/>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    %(stylesheet)s
</head>
<body>
<script language="javascript" type="text/javascript"><!--
output_list = Array();

/* level - 0:Summary; 1:Failed; 2:All */
function showCase(level) {
    trs = document.getElementsByTagName("tr");
    for (var i = 0; i < trs.length; i++) {
        tr = trs[i];
        id = tr.id;
        if (id.substr(0,2) == 'ft') {
            if (level < 1) {
                tr.className = 'hiddenRow';
            }
            else {
                tr.className = '';
            }
        }
        if (id.substr(0,2) == 'pt') {
            if (level > 1) {
                tr.className = '';
            }
            else {
                tr.className = 'hiddenRow';
            }
        }
    }
}


function showClassDetail(cid, count) {
    var id_list = Array(count);
    var toHide = 1;
    for (var i = 0; i < count; i++) {
        tid0 = 't' + cid.substr(1) + '.' + (i+1);
        tid = 'f' + tid0;
        tr = document.getElementById(tid);
        if (!tr) {
            tid = 'p' + tid0;
            tr = document.getElementById(tid);
        }
        id_list[i] = tid;
        if (tr.className) {
            toHide = 0;
        }
    }
    for (var i = 0; i < count; i++) {
        tid = id_list[i];
        if (toHide) {
            document.getElementById('div_'+tid).style.display = 'none'
            document.getElementById(tid).className = 'hiddenRow';
        }
        else {
            document.getElementById(tid).className = '';
        }
    }
}


function showTestDetail(div_id){
    var details_div = document.getElementById(div_id)
    var displayState = details_div.style.display
    // alert(displayState)
    if (displayState != 'block' ) {
        displayState = 'block'
        details_div.style.display = 'block'
    }
    else {
        details_div.style.display = 'none'
    }
}


function html_escape(s) {
    s = s.replace(/&/g,'&');
    s = s.replace(/</g,'<');
    s = s.replace(/>/g,'>');
    return s;
}

/* obsoleted by detail in <div>
function showOutput(id, name) {
    var w = window.open("", //url
                    name,
                    "resizable,scrollbars,status,width=800,height=450");
    d = w.document;
    d.write("<pre>");
    d.write(html_escape(output_list[id]));
    d.write("\n");
    d.write("<a href='javascript:window.close()'>close</a>\n");
    d.write("</pre>\n");
    d.close();
}
*/
--></script>

%(heading)s
%(report)s
%(ending)s

</body>
</html>
"""
    # variables: (title, generator, stylesheet, heading, report, ending)


    # ------------------------------------------------------------------------
    # Stylesheet
    #
    # alternatively use a <link> for external style sheet, e.g.
    #   <link rel="stylesheet" href="$url" type="text/css">

    STYLESHEET_TMPL = """
<style type="text/css" media="screen">
body        { font-family: verdana, arial, helvetica, sans-serif; font-size: 80%; }
table       { font-size: 100%; }
pre         { }

/* -- heading ---------------------------------------------------------------------- */
h1 {
    font-size: 16pt;
    color: gray;
}
.heading {
    margin-top: 0ex;
    margin-bottom: 1ex;
}

.heading .attribute {
    margin-top: 1ex;
    margin-bottom: 0;
}

.heading .description {
    margin-top: 4ex;
    margin-bottom: 6ex;
}

/* -- css div popup ------------------------------------------------------------------------ */
a.popup_link {
}

a.popup_link:hover {
    color: red;
}

.popup_window {
    display: none;
    position: relative;
    left: 0px;
    top: 0px;
    /*border: solid #627173 1px; */
    padding: 10px;
    background-color: #E6E6D6;
    font-family: "Lucida Console", "Courier New", Courier, monospace;
    text-align: left;
    font-size: 8pt;
    width: 500px;
}

}
/* -- report ------------------------------------------------------------------------ */
#show_detail_line {
    margin-top: 3ex;
    margin-bottom: 1ex;
}
#result_table {
    width: 80%;
    border-collapse: collapse;
    border: 1px solid #777;
}
#header_row {
    font-weight: bold;
    color: white;
    background-color: #777;
}
#result_table td {
    border: 1px solid #777;
    padding: 2px;
}
#total_row  { font-weight: bold; }
.passClass  { background-color: #6c6; }
.failClass  { background-color: #c60; }
.errorClass { background-color: #c00; }
.passCase   { color: #6c6; }
.failCase   { color: #c60; font-weight: bold; }
.errorCase  { color: #c00; font-weight: bold; }
.hiddenRow  { display: none; }
.testcase   { margin-left: 2em; }


/* -- ending ---------------------------------------------------------------------- */
#ending {
}

</style>
"""



    # ------------------------------------------------------------------------
    # Heading
    #

    HEADING_TMPL = """<div class='heading'>
<h1>%(title)s</h1>
%(parameters)s
<p class='description'>%(description)s</p>
</div>

""" # variables: (title, parameters, description)

    HEADING_ATTRIBUTE_TMPL = """<p class='attribute'><strong>%(name)s:</strong> %(value)s</p>
""" # variables: (name, value)



    # ------------------------------------------------------------------------
    # Report
    #

    REPORT_TMPL = """
<p id='show_detail_line'>Show
<a href='javascript:showCase(0)'>Summary</a>
<a href='javascript:showCase(1)'>Failed</a>
<a href='javascript:showCase(2)'>All</a>
</p>
<table id='result_table'>
<colgroup>
<col align='left' />
<col align='right' />
<col align='right' />
<col align='right' />
<col align='right' />
<col align='right' />
</colgroup>
<tr id='header_row'>
    <td>Test Group/Test case</td>
    <td>Count</td>
    <td>Pass</td>
    <td>Fail</td>
    <td>Error</td>
    <td>View</td>
</tr>
%(test_list)s
<tr id='total_row'>
    <td>Total</td>
    <td>%(count)s</td>
    <td>%(Pass)s</td>
    <td>%(fail)s</td>
    <td>%(error)s</td>
    <td> </td>
</tr>
</table>
""" # variables: (test_list, count, Pass, fail, error)

    REPORT_CLASS_TMPL = r"""
<tr class='%(style)s'>
    <td>%(desc)s</td>
    <td>%(count)s</td>
    <td>%(Pass)s</td>
    <td>%(fail)s</td>
    <td>%(error)s</td>
    <td><a href="javascript:showClassDetail('%(cid)s',%(count)s)">Detail</a></td>
</tr>
""" # variables: (style, desc, count, Pass, fail, error, cid)


    REPORT_TEST_WITH_OUTPUT_TMPL = r"""
<tr id='%(tid)s' class='%(Class)s'>
    <td class='%(style)s'><div class='testcase'>%(desc)s</div></td>
    <td colspan='5' align='center'>

    <!--css div popup start-->
    <a class="popup_link" onfocus='this.blur();' href="javascript:showTestDetail('div_%(tid)s')" >
        %(status)s</a>

    <div id='div_%(tid)s' class="popup_window">
        <div style='text-align: right; color:red;cursor:pointer'>
        <a onfocus='this.blur();' onclick="document.getElementById('div_%(tid)s').style.display = 'none' " >
           [x]</a>
        </div>
        <pre>
        %(script)s
        </pre>
    </div>
    <!--css div popup end-->

    </td>
</tr>
""" # variables: (tid, Class, style, desc, status)


    REPORT_TEST_NO_OUTPUT_TMPL = r"""
<tr id='%(tid)s' class='%(Class)s'>
    <td class='%(style)s'><div class='testcase'>%(desc)s</div></td>
    <td colspan='5' align='center'>%(status)s</td>
</tr>
""" # variables: (tid, Class, style, desc, status)


    REPORT_TEST_OUTPUT_TMPL = r"""
%(id)s: %(output)s
""" # variables: (id, output)



    # ------------------------------------------------------------------------
    # ENDING
    #

    ENDING_TMPL = """<div id='ending'> </div>"""

# -------------------- The end of the Template class -------------------


TestResult = unittest.TestResult

class _TestResult(TestResult):
    # note: _TestResult is a pure representation of results.
    # It lacks the output and reporting ability compares to unittest._TextTestResult.

    def __init__(self, verbosity=1):
        TestResult.__init__(self)
        self.stdout0 = None
        self.stderr0 = None
        self.success_count = 0
        self.failure_count = 0
        self.error_count = 0
        self.verbosity = verbosity

        # result is a list of result in 4 tuple
        # (
        #   result code (0: success; 1: fail; 2: error),
        #   TestCase object,
        #   Test output (byte string),
        #   stack trace,
        # )
        self.result = []


    def startTest(self, test):
        TestResult.startTest(self, test)
        # just one buffer for both stdout and stderr
        self.outputBuffer = StringIO.StringIO()
        stdout_redirector.fp = self.outputBuffer
        stderr_redirector.fp = self.outputBuffer
        self.stdout0 = sys.stdout
        self.stderr0 = sys.stderr
        sys.stdout = stdout_redirector
        sys.stderr = stderr_redirector


    def complete_output(self):
        """
        Disconnect output redirection and return buffer.
        Safe to call multiple times.
        """
        if self.stdout0:
            sys.stdout = self.stdout0
            sys.stderr = self.stderr0
            self.stdout0 = None
            self.stderr0 = None
        return self.outputBuffer.getvalue()


    def stopTest(self, test):
        # Usually one of addSuccess, addError or addFailure would have been called.
        # But there are some path in unittest that would bypass this.
        # We must disconnect stdout in stopTest(), which is guaranteed to be called.
        self.complete_output()


    def addSuccess(self, test):
        self.success_count += 1
        TestResult.addSuccess(self, test)
        output = self.complete_output()
        self.result.append((0, test, output, ''))
        if self.verbosity > 1:
            sys.stderr.write('ok ')
            sys.stderr.write(str(test))
            sys.stderr.write('\n')
        else:
            sys.stderr.write('.')

    def addError(self, test, err):
        self.error_count += 1
        TestResult.addError(self, test, err)
        _, _exc_str = self.errors[-1]
        output = self.complete_output()
        self.result.append((2, test, output, _exc_str))
        if self.verbosity > 1:
            sys.stderr.write('E  ')
            sys.stderr.write(str(test))
            sys.stderr.write('\n')
        else:
            sys.stderr.write('E')

    def addFailure(self, test, err):
        self.failure_count += 1
        TestResult.addFailure(self, test, err)
        _, _exc_str = self.failures[-1]
        output = self.complete_output()
        self.result.append((1, test, output, _exc_str))
        if self.verbosity > 1:
            sys.stderr.write('F  ')
            sys.stderr.write(str(test))
            sys.stderr.write('\n')
        else:
            sys.stderr.write('F')


class HTMLTestRunner(Template_mixin):
    """
    """
    def __init__(self, stream=sys.stdout, verbosity=1, title=None, description=None):
        self.stream = stream
        self.verbosity = verbosity
        if title is None:
            self.title = self.DEFAULT_TITLE
        else:
            self.title = title
        if description is None:
            self.description = self.DEFAULT_DESCRIPTION
        else:
            self.description = description

        self.startTime = datetime.datetime.now()


    def run(self, test):
        "Run the given test case or test suite."
        result = _TestResult(self.verbosity)
        test(result)
        self.stopTime = datetime.datetime.now()
        self.generateReport(test, result)
        print >>sys.stderr, '\nTime Elapsed: %s' % (self.stopTime-self.startTime)
        return result


    def sortResult(self, result_list):
        # unittest does not seems to run in any particular order.
        # Here at least we want to group them together by class.
        rmap = {}
        classes = []
        for n,t,o,e in result_list:
            cls = t.__class__
            if not rmap.has_key(cls):
                rmap[cls] = []
                classes.append(cls)
            rmap[cls].append((n,t,o,e))
        r = [(cls, rmap[cls]) for cls in classes]
        return r


    def getReportAttributes(self, result):
        """
        Return report attributes as a list of (name, value).
        Override this to add custom attributes.
        """
        startTime = str(self.startTime)[:19]
        duration = str(self.stopTime - self.startTime)
        status = []
        if result.success_count: status.append('Pass %s'    % result.success_count)
        if result.failure_count: status.append('Failure %s' % result.failure_count)
        if result.error_count:   status.append('Error %s'   % result.error_count  )
        if status:
            status = ' '.join(status)
        else:
            status = 'none'
        return [
            ('Start Time', startTime),
            ('Duration', duration),
            ('Status', status),
        ]


    def generateReport(self, test, result):
        report_attrs = self.getReportAttributes(result)
        generator = 'HTMLTestRunner %s' % __version__
        stylesheet = self._generate_stylesheet()
        heading = self._generate_heading(report_attrs)
        report = self._generate_report(result)
        ending = self._generate_ending()
        output = self.HTML_TMPL % dict(
            title = saxutils.escape(self.title),
            generator = generator,
            stylesheet = stylesheet,
            heading = heading,
            report = report,
            ending = ending,
        )
        self.stream.write(output.encode('utf8'))


    def _generate_stylesheet(self):
        return self.STYLESHEET_TMPL


    def _generate_heading(self, report_attrs):
        a_lines = []
        for name, value in report_attrs:
            line = self.HEADING_ATTRIBUTE_TMPL % dict(
                    name = saxutils.escape(name),
                    value = saxutils.escape(value),
                )
            a_lines.append(line)
        heading = self.HEADING_TMPL % dict(
            title = saxutils.escape(self.title),
            parameters = ''.join(a_lines),
            description = saxutils.escape(self.description),
        )
        return heading


    def _generate_report(self, result):
        rows = []
        sortedResult = self.sortResult(result.result)
        for cid, (cls, cls_results) in enumerate(sortedResult):
            # subtotal for a class
            np = nf = ne = 0
            for n,t,o,e in cls_results:
                if n == 0: np += 1
                elif n == 1: nf += 1
                else: ne += 1

            # format class description
            if cls.__module__ == "__main__":
                name = cls.__name__
            else:
                name = "%s.%s" % (cls.__module__, cls.__name__)
            doc = cls.__doc__ and cls.__doc__.split("\n")[0] or ""
            desc = doc and '%s: %s' % (name, doc) or name

            row = self.REPORT_CLASS_TMPL % dict(
                style = ne > 0 and 'errorClass' or nf > 0 and 'failClass' or 'passClass',
                desc = desc,
                count = np+nf+ne,
                Pass = np,
                fail = nf,
                error = ne,
                cid = 'c%s' % (cid+1),
            )
            rows.append(row)

            for tid, (n,t,o,e) in enumerate(cls_results):
                self._generate_report_test(rows, cid, tid, n, t, o, e)

        report = self.REPORT_TMPL % dict(
            test_list = ''.join(rows),
            count = str(result.success_count+result.failure_count+result.error_count),
            Pass = str(result.success_count),
            fail = str(result.failure_count),
            error = str(result.error_count),
        )
        return report


    def _generate_report_test(self, rows, cid, tid, n, t, o, e):
        # e.g. 'pt1.1', 'ft1.1', etc
        has_output = bool(o or e)
        tid = (n == 0 and 'p' or 'f') + 't%s.%s' % (cid+1,tid+1)
        name = t.id().split('.')[-1]
        doc = t.shortDescription() or ""
        desc = doc and ('%s: %s' % (name, doc)) or name
        tmpl = has_output and self.REPORT_TEST_WITH_OUTPUT_TMPL or self.REPORT_TEST_NO_OUTPUT_TMPL

        # o and e should be byte string because they are collected from stdout and stderr?
        if isinstance(o,str):
            # TODO: some problem with 'string_escape': it escape \n and mess up formating
            # uo = unicode(o.encode('string_escape'))
            uo = o.decode('latin-1')
        else:
            uo = o
        if isinstance(e,str):
            # TODO: some problem with 'string_escape': it escape \n and mess up formating
            # ue = unicode(e.encode('string_escape'))
            ue = e.decode('latin-1')
        else:
            ue = e

        script = self.REPORT_TEST_OUTPUT_TMPL % dict(
            id = tid,
            output = saxutils.escape(uo+ue),
        )

        row = tmpl % dict(
            tid = tid,
            Class = (n == 0 and 'hiddenRow' or 'none'),
            style = n == 2 and 'errorCase' or (n == 1 and 'failCase' or 'none'),
            desc = desc,
            script = script,
            status = self.STATUS[n],
        )
        rows.append(row)
        if not has_output:
            return

    def _generate_ending(self):
        return self.ENDING_TMPL


##############################################################################
# Facilities for running tests from the command line
##############################################################################

# Note: Reuse unittest.TestProgram to launch test. In the future we may
# build our own launcher to support more specific command line
# parameters like test title, CSS, etc.
class TestProgram(unittest.TestProgram):
    """
    A variation of the unittest.TestProgram. Please refer to the base
    class for command line parameters.
    """
    def runTests(self):
        # Pick HTMLTestRunner as the default test runner.
        # base class's testRunner parameter is not useful because it means
        # we have to instantiate HTMLTestRunner before we know self.verbosity.
        if self.testRunner is None:
            self.testRunner = HTMLTestRunner(verbosity=self.verbosity)
        unittest.TestProgram.runTests(self)

main = TestProgram

##############################################################################
# Executing this module from the command line
##############################################################################

if __name__ == "__main__":
    main(module=None)
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