unittest框架:
- 丰富的断言类型
- 自动化测试
- 测试报告
unittest框架的下载
在python3中unittest是内置模块
1.自定义的类必须继承TestCase,执行run函数,则会自动找以methodName指定的方法名并执行,默认名字为 runTest
from unittest import TestCase from case_set import CaseSet class MineCase(TestCase): def runTest(self): code = CaseSet().get_status_code() self.assertEqual(code, 200, '实际值是:{},预期值是:{}'.format(code, 200)) if __name__ == '__main__': MineCase().run()
2.每个用例在执行之前会执行setUp函数,在每个用例执行之后会执行tearDown函数
3.unittest中有很多断言可以用
-assertIn(a,b,msg):a如果不在b中报错
-assertIs(a, b, msg):a is not b报错
-assertEqual(a, b, msg): a不等于b报错
-assertNotEqual(a, b, msg): a等于b报错
-assertTrue(x, msg):表达式x为False,报错
-assertFalse(x, msg):表达式x为True,报错
- ...
4.unittest中执行脚本的另一种方式
- 在类中定义方法名以test为开头
- 执行unittest.main()
5. self._testMethodName:用例函数名 self._testMethodDoc:用力函数的描述注释
6. TestSuite:测试套件,可以理解为一个盒子,包含多个测试用例
使用步骤:
-实例化所有的用例
-创建一个盒子
-将用例放在盒子中
-使用执行器执行盒子中的用例
代码如下:
class MineCase1(TestCase): def test_case_001(self): self.assertTrue("Foo".isupper()) def test_case_002(self): self.assertTrue('foo'.islower()) if __name__ == '__main__': # 实例化用例 case1 = MineCase1(methodName="test_case_001") case2 = MineCase1(methodName="test_case_002") # 创建容器 suite = unittest.TestSuite() # 将用例放入容器中 suite.addTests([case1, case2]) # 使用执行器执行 runner = unittest.TextTestRunner() runner.run(suite)
7.makeSuite:在实例化suite的时候,同时完成收集用例
class MineCase1(TestCase): def test_case_001(self): self.assertTrue("Foo".isupper()) def test_case_002(self): self.assertTrue('foo'.islower()) if __name__ == '__main__': suite = unittest.makeSuite(testCaseClass=MineCase1, prefix="test") runner = unittest.TextTestRunner() runner.run(suite)
8. suite = unittest.TestLoader().loadTestsFromModule(模块名字):发现一个模块中的所有继承TestCase且以test为开头的用例
suite = unittest.TestLoader().loadTestsFromTestCase(类名):发现指定类中中以test为开头的用例
9.suite = unittest.TestLoader().discover(start_dir='',
pattern='test*.py',
top_level_dir=None)
递归查找起始目录start_dir下,所有以test开头的模块中的继承TestCase且以test为开头的用例
注意:top_level_dir >= start_dir
10. verbosity:用来控制执行器用例输出详细程度
-0: 精简模式
-1:默认模式,输出用例执行结果
-2: 详细模式,输出用例来自哪个模块下以及执行结果 推荐
runner = unittest.TextTestRunner(verbosity=2)
11. setupClass & tearDownClass:在所有用例执行之前执行有且一次,在所有用例执行之后有且执行一次
代码
class MineCase1(TestCase): @classmethod def setUpClass(cls) -> None: print("用例执行之前,只执行一次") @classmethod def tearDownClass(cls) -> None: print("用例执行之后,只执行一次") def setUp(self) -> None: print("before用例执行之前") def tearDown(self) -> None: print("after用例执行之后") def test_case_001(self): self.assertTrue("FOO".isupper()) def test_case_002(self): self.assertTrue('foo'.islower()) if __name__ == '__main__': suite = unittest.TestLoader().loadTestsFromTestCase(MineCase1) runner = unittest.TextTestRunner(verbosity=2) runner.run(suite)
打印结果
用例执行之前,只执行一次
before用例执行之前
after用例执行之后
before用例执行之前
after用例执行之后
用例执行之后,只执行一次
12. 跳过用例
-unittest.skip(reason)
-unittest.skipif(condition,reason)
代码:
class MineCase1(TestCase): @unittest.skip(reason="无条件跳过") def test_case_001(self): self.assertTrue("FOO".isupper()) @unittest.skipIf(condition=10 > 2, reason="跳过") def test_case_002(self): self.assertTrue('foo'.islower()) def test_case_003(self): self.assertTrue('foo'.islower()) if __name__ == '__main__': unittest.main(verbosity=2)
13. 将执行结果放入文本中:创建执行器指定stream文件流
代码
class MineCase1(TestCase): def test_case_001(self): self.assertTrue("FOO".isupper()) def test_case_002(self): self.assertTrue('foo'.islower()) def test_case_003(self): self.assertTrue('foo'.islower()) if __name__ == '__main__': suite = unittest.makeSuite(testCaseClass=MineCase1, prefix="test") with open('a.txt', "w", encoding="utf-8") as fd: runner = unittest.TextTestRunner(verbosity=2, stream=fd) runner.run(suite)
14. 生成测试报告:借助 HTMLTestRunner模块来实现
该 HTMLTestRunner为非官方,所以不能pip下载,文件代码,在项目中HTMLTestRunner.py中(适用于python3)
代码:
from HTMLTestRunner import HTMLTestRunner class MineCase1(TestCase): # @unittest.skip(reason="无条件跳过") def test_case_001(self): self.assertTrue("FOO".isupper()) @unittest.skipIf(condition=10 < 2, reason="跳过") def test_case_002(self): self.assertTrue('foo'.islower()) def test_case_003(self): self.assertTrue('foo'.islower()) if __name__ == '__main__': suite = unittest.makeSuite(testCaseClass=MineCase1, prefix="test") with open('a.html', "wb") as fd: runner = HTMLTestRunner(stream=fd, verbosity=2, title="自动化测试结果", description="ATA 测试结果") runner.run(suite)
HTMLTestRunner.py
#!/bin/bash # -*- coding: utf-8 -*- # File : HTMLTestRunner3.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 io 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 = io.BytesIO() 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 cls in rmap: 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 else: ue = e script = self.REPORT_TEST_OUTPUT_TMPL % dict( id = tid, output = saxutils.escape(str(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)
15.addCleanup
-
addCleanup可在case执行过程的任何地方进行添加清理函数,比如setUp,tearDown或者case中;
- 正常情况下不需要主动调用,每个case执行结束都会执行添加的清理函数,添加函数执行顺序(后进先出);
- 哪个用例添加的,只会在该用例中调用清理函数,其他的用力不会调用
- tearDown与addCleanup可以结合使用,两者并不冲突;相对来说addCleanup使用起来更加灵活,可以在用例运行中执行;
16.doCleanups
- 它负责调用addCleanup() 添加的所有清除函数;
- doCleanups() 一次将方法从清理函数的堆栈中弹出,因此可以随时调用它;
- setUp() 引发异常的情况下无条件调用此方法;
17.addClassCleanup
优先级在tearDownClass之后,也只会执行一次
18.doClassCleanups
执行之前添加所有添加的清理函数