junit基礎(chǔ)學(xué)習(xí)市公開課一等獎省賽課微課金獎?wù)n件

JUnit介紹TestingframeworkwrittenbyErichGammaandKentBeckOpenSourceHostedonSourceForgeLanguagesupportSmalltalk,Java,C++,Perl,Python,etc.IDESupportJBuilder,VisualAge,etc.1/47WhatisSoftwareTesting?Theexecutionofcodeusingcombinationsofinputandstateselectedtorevealbugs.Theprocessofdevisingandexecutingatestsuitethatattemptstocausefailures,increasingourconfidencethatfailuresareunlikely.2/47軟件測試工具分類分類實例reviews&inspectionsCompuwareDevPartnertestplanningRationalSuiteTestStudiotestdesign&developmenttestexecution&evaluationcapture/playbackcoverageanalysisCompuwareDevPartnerRationalSuiteTestStudioBorlandOptimizeitmemorytestingCompuwareDevPartnerRationalSuiteTestStudiotestcasemanagementsumulations&performanceprofilertestsupport3/47JUnit定位JUnitis…JUnitisnot…scope單元測試綜合測試，組合測試testware模塊完整系統(tǒng)level工具方法輪testcase手動產(chǎn)生自動產(chǎn)生testdriver/script部份手寫全自動4/47JUnitFramework5/47junitHowtoTestwithJUnit?FooTestCaseexercise1..*TestRunnerrun1..*FooTesttest1test2…6/47Questions…怎樣測試？ strategy多少測試才夠？ coverage流程？ process工具影響？ mediumismessage7/47DesignGoalsofJUnitEasytouseRequiresnomoreworkthanabsolutelynecessarytowriteanewtestLeveragesexistingteststocreatenewonesReusablefixturestorundifferenttestsRetainsvaluesoftestsovertimeCombinestestsfromvariousauthorsandrunthemtogetherwithoutfearofinterference8/47CaseStudy自動產(chǎn)生測試框架UsingBorlandJBuilder6.0最簡單測試實例9/47實例一FoojunitTestCaseexercise1..*FooTesttest1test2…10/47實例一：簡單待測程序publicclassMoney{privateintfAmount;privateStringfCurrency;publicMoney(intamount,Stringcurrency){fAmount=amount;fCurrency=currency;}publicMoneyadd(Moneym){returnnewMoney(amount()+m.amount(),currency());}publicintamount() {returnfAmount;}publicStringcurrency() {returnfCurrency;}}11/47實例一：產(chǎn)生測試框架 [1/7]BorlandJBuilder6.012/47實例一：產(chǎn)生測試框架 [2/7]BorlandJBuilder6.013/47實例一：產(chǎn)生測試框架 [3/7]BorlandJBuilder6.014/47實例一：產(chǎn)生測試框架 [4/7]BorlandJBuilder6.015/47實例一：產(chǎn)生測試框架 [5/7]BorlandJBuilder6.016/47實例一：產(chǎn)生測試框架 [6/7]BorlandJBuilder6.017/47實例一：產(chǎn)生測試框架 [7/7]importjunit.framework.*;publicclassMoneyTestextendsTestCase{publicMoneyTest(Strings) {super(s);}protectedvoidsetUp() {}protectedvoidtearDown() {}publicvoidtestAdd(){ intval1=0; Stringval2="STRING0"; Moneymoney=newMoney(val1,val2); Moneyval1=null/**@todofillinnon-nullvalue*/; MoneymoneyRet=money.add(val1);

/**@todo:Inserttestcodehere. UseassertEquals(),forexample.*/ }}18/47LessonLearnedCodealittle,testalittle19/47junit實例二FooTestCaseexercise1..*TestRunnerrunFooTesttest1test2…20/47實例二：測試碼publicclassMoneyimplementsCloneable{privateintfAmount;privateStringfCurrency;publicMoney(intamount,Stringcurrency){/*...*/}publicMoneyadd(Moneym){if(m==null)return(Money)clone();returnnewMoney(amount()+m.amount(),currency());}publicObjectclone() {/*...*/}publicbooleanequals(Objectobj) {/*...*/}publicintamount() {/*...*/}publicStringcurrency() {/*...*/}}21/47實例二：測試碼 [1/2]importjunit.framework.*;publicclassMoneyTestextendsTestCase{ publicMoneyTest(Strings){super(s);} publicvoidtestNullAdd(){ Stringcurr="NTD"; intval1=;

Moneymoney1=newMoney(val1,curr); Moneymoney2=null;//nullvalue Moneymoney3=money1.add(money2); Assert.assertEquals(money1,money3); }22/47實例二：測試碼 [2/2]

publicvoidtestSimpleAdd(){Stringcurr="NTD";intval1=;intval2=345;intval3=val1+val2; Moneymoney1=newMoney(val1,curr); Moneymoney2=newMoney(val2,curr); Moneymoney3=money1.add(money2);

assertEquals(money3,newMoney(val3,curr)); }}23/47java-cplib\junit.jar;.junit.swingui.TestRunnerMoneyTestSuccess24/47Failure 1/225/47Failure 2/226/47Error 1/227/47Error 2/228/47LessonsLearnedGenerate&exercisetestcase(s)Writetest…()method(s)VerifyChooseaAssert.assert…()ChooseaTestRunnerjunit.textui.TestRunnerjunit.swingui.TestRunnerFailurevs.error29/47CaseStudyFixture/context管理Testsuite與進入點GroupingbytasksConfigurationmanagementRegressiontesting30/47junit實例三：FooTestCaseexercise1..*TestRunnerrun1..*FooTesttest1test2…setUp()

tearDown()31/47實例三：測試碼 [1/2]importjunit.framework.*;publicclassMoneyTestextendsTestCase{privateMoneymoney1,money2,money3;publicMoneyTest(Strings) {/*...*/}protectedvoidsetUp(){Stringcurr="NTD";intval1=;intval2=345;money1=newMoney(val1,curr);money2=newMoney(val2,curr);money3=newMoney(val1+val2,curr);}

32/47實例三：測試碼 [2/2]protectedvoidtearDown() {}publicvoidtestNullAdd(){ Moneymoney10=money1.add(null);//nullvalue assertEquals(money1,money10); }publicvoidtestSimpleAdd(){ Moneymoney10=money1.add(money2); assertEquals(money3,money10); }}33/47LessonsLearnedFixtureOverrides

setUp()Overrides

tearDown()Eachtest…()methodisisolated34/47junit實例四FooTestCaseexercise1..*TestRunnerrun1..*FooTesttest1test2…testcaseTestSuitetestsuite35/47實例四：測試碼 [1/3]importjunit.framework.*;publicclassMoneyTestextendsTestCase{privateMoneymoney1,money2,money3;publicMoneyTest(Strings) {/*...*/}protectedvoidsetUp() {/*...*/}publicvoidtestNullAdd() {/*...*/}publicvoidtestSimpleAdd() {/*...*/}36/47實例四：測試碼 [2/3]

//[interactivemode] //entrypointofthewholetestsuite!/* //Version1 publicstaticTestsuite(){

TestSuitesuite=newTestSuite(); suite.addTest(newMoneyTest("testNullAdd")); suite.addTest(newMoneyTest("testSimpleAdd")); returnsuite; }*/ //Version2 publicstaticTestsuite(){ returnnewTestSuite(MoneyTest.class); }37/47實例四：測試碼 [3/3]

//[batchmode] //entrypointofthewholetestsuite! publicstaticvoidmain(Stringargs[]){ junit.textui.TestRunner.run(suite()); }}38/47LessonsLearnedTestcasesuiteWriteasuite()astheinteractivemodeentrypointWriteamain()asthebatchmodeentrypoint39/47實例五：CompositePattern40/47實例五：beforegroupingFootestsuiteexerciseFooTesttest1test2test3…

testcase41/47實例五：groupingbytasksFooexerciseFooTestbasictesttest1test2testsuiterandomtesttest3monkeyteststresstest42/47實例五：compositetestsuitespublicclassMoney_te