一、直接使用TestCase
注意所有測試方法都需要以test開頭。代碼如下：
import unittest class Test1(unittest.TestCase): @classmethod def setUpClass(self): print("execute setUpClass") @classmethod def tearDownClass(self): print("execute tearDownClass") def setUp(self): print("execute setUp") def tearDown(self): print("execute tearDown") def test_one(self): print('execute test_one') self.assertTrue('FOO'.isupper()) def test_two(self): print('execute test_two') if __name__ == '__main__': unittest.main()
執行如下：
二、使用TestSuite
直接寫TestCase執行時是按字母排序的順序執行的，如果要設定測試用例的執行先后順序則需要將TestCase封裝到TestSuite。代碼如下：
import unittest class Test2(unittest.TestCase): @classmethod def setUpClass(self): print("execute setUpClass") @classmethod def tearDownClass(self): print("execute tearDownClass") def setUp(self): print("execute setUp") def tearDown(self): print("execute tearDown") def test_one(self): print('execute test_one') self.assertTrue('FOO'.isupper()) def test_two(self): print('execute test_two') if __name__ == '__main__': suite = unittest.TestSuite() # Test2是要測試的類名，test_two是要執行的測試方法 suite.addTest(Test2("test_two")) suite.addTest(Test2("test_one")) runner = unittest.TextTestRunner() runner.run(suite)
執行如下，可以看到先添加的test_two先執行：
三、使用HTMLTestRunner
我們可能還會希望生成一個簡單的HTML報告，可使用HTMLTestRunner實現。但pypi和官網上最新的都是只支持python2.x的0.8.2版本。可將以下代碼自行保存成HTMLTestRunner.py放到自己項目目錄下
# -*- coding: utf-8 -*- """ 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__ = "0.9.1" """ Change History Version 0.9.1 * 用Echarts添加執行情況統計圖 (灰藍) Version 0.9.0 * 改成Python 3.x (灰藍) Version 0.8.3 * 使用 Bootstrap稍加美化 (灰藍) * 改為中文 (灰藍) 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 sys import io 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: u'通過', 1: u'失敗', 2: u'錯誤', } 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"/> <link href="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/echarts/3.8.5/echarts.common.min.js"></script> <!-- <script type="text/javascript" src="js/echarts.common.min.js"></script> --> %(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> <div id="div_base"> %(heading)s %(report)s %(ending)s %(chart_script)s </div> </body> </html> """ # variables: (title, generator, stylesheet, heading, report, ending, chart_script) ECHARTS_SCRIPT = """ <script type="text/javascript"> // 基於准備好的dom，初始化echarts實例 var myChart = echarts.init(document.getElementById('chart')); // 指定圖表的配置項和數據 var option = { title : { text: '測試執行情況', x:'center' }, tooltip : { trigger: 'item', formatter: "{a} <br/>{b} : {c} ({d}%%)" }, color: ['#95b75d', 'grey', '#b64645'], legend: { orient: 'vertical', left: 'left', data: ['通過','失敗','錯誤'] }, series : [ { name: '測試執行情況', type: 'pie', radius : '60%%', center: ['50%%', '60%%'], data:[ {value:%(Pass)s, name:'通過'}, {value:%(fail)s, name:'失敗'}, {value:%(error)s, name:'錯誤'} ], itemStyle: { emphasis: { shadowBlur: 10, shadowOffsetX: 0, shadowColor: 'rgba(0, 0, 0, 0.5)' } } } ] }; // 使用剛指定的配置項和數據顯示圖表。 myChart.setOption(option); </script> """ # variables: (Pass, fail, error) # ------------------------------------------------------------------------ # 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: Microsoft YaHei,Consolas,arial,sans-serif; font-size: 80%; } table { font-size: 100%; } pre { white-space: pre-wrap;word-wrap: break-word; } /* -- 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: 2ex; margin-bottom: 3ex; } /* -- 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: 99%; } #header_row { font-weight: bold; color: #303641; background-color: #ebebeb; } #total_row { font-weight: bold; } .passClass { background-color: #bdedbc; } .failClass { background-color: #ffefa4; } .errorClass { background-color: #ffc9c9; } .passCase { color: #6c6; } .failCase { color: #FF6600; font-weight: bold; } .errorCase { color: #c00; font-weight: bold; } .hiddenRow { display: none; } .testcase { margin-left: 2em; } /* -- ending ---------------------------------------------------------------------- */ #ending { } #div_base { position:absolute; top:0%; left:5%; right:5%; width: auto; height: auto; margin: -15px 0 0 0; } </style> """ # ------------------------------------------------------------------------ # Heading # HEADING_TMPL = """ <div class='page-header'> <h1>%(title)s</h1> %(parameters)s </div> <div style="float: left;width:50%%;"><p class='description'>%(description)s</p></div> <div id="chart" style="width:50%%;height:400px;float:left;"></div> """ # variables: (title, parameters, description) HEADING_ATTRIBUTE_TMPL = """<p class='attribute'><strong>%(name)s:</strong> %(value)s</p> """ # variables: (name, value) # ------------------------------------------------------------------------ # Report # REPORT_TMPL = u""" <div class="btn-group btn-group-sm"> <button class="btn btn-default" onclick='javascript:showCase(0)'>總結</button> <button class="btn btn-default" onclick='javascript:showCase(1)'>失敗</button> <button class="btn btn-default" onclick='javascript:showCase(2)'>全部</button> </div> <p></p> <table id='result_table' class="table table-bordered"> <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>測試套件/測試用例</td> <td>總數</td> <td>通過</td> <td>失敗</td> <td>錯誤</td> <td>查看</td> </tr> %(test_list)s <tr id='total_row'> <td>總計</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 = u""" <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)">詳情</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"> <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 = [] self.subtestlist = [] def startTest(self, test): TestResult.startTest(self, test) # just one buffer for both stdout and stderr self.outputBuffer = io.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): if test not in self.subtestlist: 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') def addSubTest(self, test, subtest, err): if err is not None: if getattr(self, 'failfast', False): self.stop() if issubclass(err[0], test.failureException): self.failure_count += 1 errors = self.failures errors.append((subtest, self._exc_info_to_string(err, subtest))) output = self.complete_output() self.result.append((1, test, output + '\nSubTestCase Failed:\n' + str(subtest), self._exc_info_to_string(err, subtest))) if self.verbosity > 1: sys.stderr.write('F ') sys.stderr.write(str(subtest)) sys.stderr.write('\n') else: sys.stderr.write('F') else: self.error_count += 1 errors = self.errors errors.append((subtest, self._exc_info_to_string(err, subtest))) output = self.complete_output() self.result.append( (2, test, output + '\nSubTestCase Error:\n' + str(subtest), self._exc_info_to_string(err, subtest))) if self.verbosity > 1: sys.stderr.write('E ') sys.stderr.write(str(subtest)) sys.stderr.write('\n') else: sys.stderr.write('E') self._mirrorOutput = True else: self.subtestlist.append(subtest) self.subtestlist.append(test) self.success_count += 1 output = self.complete_output() self.result.append((0, test, output + '\nSubTestCase Pass:\n' + str(subtest), '')) if self.verbosity > 1: sys.stderr.write('ok ') sys.stderr.write(str(subtest)) sys.stderr.write('\n') else: sys.stderr.write('.') 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('\nTime Elapsed: %s' % (self.stopTime-self.startTime), file=sys.stderr) 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 cls not 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(u'通過 %s' % result.success_count) if result.failure_count: status.append(u'失敗 %s' % result.failure_count) if result.error_count: status.append(u'錯誤 %s' % result.error_count ) if status: status = ' '.join(status) else: status = 'none' return [ (u'開始時間', startTime), (u'運行時長', duration), (u'狀態', 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() chart = self._generate_chart(result) output = self.HTML_TMPL % dict( title = saxutils.escape(self.title), generator = generator, stylesheet = stylesheet, heading = heading, report = report, ending = ending, chart_script = chart ) self.stream.write(output.encode('utf8')) self.stream.write("gg".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_chart(self, result): chart = self.ECHARTS_SCRIPT % dict( Pass=str(result.success_count), fail=str(result.failure_count), error=str(result.error_count), ) return chart 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 script = self.REPORT_TEST_OUTPUT_TMPL % dict( id=tid, output=saxutils.escape(o+e), ) 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)
代碼如下：
import unittest import HTMLTestRunner class Test3(unittest.TestCase): @classmethod def setUpClass(self): print("execute setUpClass") @classmethod def tearDownClass(self): print("execute tearDownClass") def setUp(self): print("execute setUp") def tearDown(self): print("execute tearDown") def test_one(self): print('execute test_one') self.assertTrue('FOO'.isupper()) def test_two(self): print('execute test_two') if __name__ == '__main__': suite = unittest.TestSuite() # Test3是要測試的類名，test_one是要執行的測試方法 suite.addTest(Test3("test_one")) suite.addTest(Test3("test_two")) # 實踐中發現執行時的當前路徑，不一定是此文件所在的文件夾，所以使用絕對路徑 # print(f"{os.getcwd()}") filename = 'F:\\PycharmProjects\\test3\\apptestresult.html' fb = open(filename, 'wb') runner = HTMLTestRunner.HTMLTestRunner(stream=fb, title="測試HTMLTestRunner", description="測試HTMLTestRunner") runner.run(suite) fb.close()
執行如下：
報告如下：
四、HTMLTestRunner未生成報告問題處理
4.1 pytest干擾
如果python環境中安裝了pytest，那么默認運行時會是Run 'py.test for'（如下圖所示），這時if __name__ == "__main__"下的語句是不被執行的所以報告肯定不會生成（原理未知）。
些時需要依次點開pycharm菜單----Run----Edit Configurations...自行添加一個運行配置，如下圖
4.2 路徑問題
一是注意自己把報告輸出到了哪個位置，特別是如果有幾個地方都會輸出報告時不要弄混了，搞得自己在瀏覽器中刷新半天沒看到有變化，認為沒生成報告。
二是實踐中通過os.getcwd()發現python運行時的目錄不一定是當前目錄，所以如果報告使用相對路徑然后又沒看到有報告生成，那就注意看os.getcwd()返回的運行路徑是不是當前文件夾。
五、實際使用例子
自己寫了這個教程后，過段時間回頭看，好像自己也沒看懂在實際環境中一個單元測試怎么寫。這里補個實例。
比如存在業務文件be_test_class.py代碼如下：
class BeTestClass: def my_add(self, a, b): return a + b
則新建一個test_be_test_class.py（名字是隨意的，但為了標識該文件是用來測試哪個文件的所以這么起），寫入如下單元測試代碼，要測試時直接運行該文件進行測試即可：
import unittest from be_test_class import BeTestClass # 類名其實可以隨意，只要繼承自unittest.TestCase即可 # 但為了標識這個測試類是測試哪個類的，那就用Test+被測試類名 class TestBeTestClass(unittest.TestCase): # 這些方法如果感覺自己不需要那么可以直接注釋 # @classmethod # def setUpClass(self): # print("execute setUpClass") # # @classmethod # def tearDownClass(self): # print("execute tearDownClass") # # def setUp(self): # print("execute setUp") # # def tearDown(self): # print("execute tearDown") # 只要是test_開頭即可，但為了標識該測試方法是測試哪個方法的，就用test_+被測試方法[+ 數字]形式 def test_my_add_1(self): print('execute test_one') obj = BeTestClass() assert obj.my_add(1, 3) == 4 def test_my_add_2(self): print('execute test_two') obj = BeTestClass() assert obj.my_add(20000, 30000) == 50000 if __name__ == '__main__': unittest.main()
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