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TEST NG & JPA VALIDATION
Ing. Jiří Kiml,26/02/2015, Bern
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Agenda
►Motivation
►JPA validation
►TestNG vers. JUnit
►Summary
►Questions
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Motivation
Kill two birds with one stone.Light two candles with one flame.Smell two flowers with one nose. Tickle two bugs with one hug.
►I like TestNG
►WET (NOT DRY) validation code
►Deeper look at topic
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Agenda
►Motivation
►JPA validation
►TestNG vers. JUnit
►Best practices
►Summary
►Questions
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JPA validation
►Validating Persistent Fields
►Persistence provider will automatically perform validation on entities immediately after the PrePersist, PreUpdate, and PreRemove lifecycle events.
►Built-in constraints in the javax.validation.constraints package
►User-defined constraints
►Which column is too long?
Caused by: org.hsqldb.HsqlException: data exception: string data, right truncation
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Agenda
►Motivation
►JPA validation
►TestNG vers. JUnit
►Best practices
►Summary
►Questions
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Test NG
►Testing framework
►Written by Cédric Beust
►New functionalities over Junit
►More powerful and easier to use
http://www.testng.org
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TestNG overview
►@Before.../@After...►Exception Tests►Groups►@DataProvider ►Dependency Test
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Annotations►Junit @BeforeClass and @AfterClass
methods have to be declared as static
►TestNG: @BeforeSuite, @AfterSuite, @BeforeTest, @AfterTest, @BeforeGroup and @AfterGroup
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Exception Tests►Junit:@Test(expected =
ConstraintViolationException.class)
►TestNG:@Test(expectedExceptions =
ConstraintViolationException.class, expectedExceptionsMessageRegExp = "...")
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Parametrized tests►Junit@RunWith(value = Parameterized.class)
►TestNG@Test(dataProvider = "correctData")
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Groups►Junit@Category(FastTest.class)Category annotations on Parameterized
classes are not supported on individual methods.
►TestNG@Test(groups = "fast")
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Dependency Test►JunitNo support, independent tests only►TestNG@Test(dependsOnMethods = "testXXX")
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Agenda
►Motivation
►JPA validation
►TestNG vers. JUnit
►Best practices
►Summary
►Questions
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Best Practices►?? Use JPA validation► ?? Every String field annotated by
@Column annotation should have length and also @Size annotation ??
►Write (junit) tests ExtensivelyTest framework is NOT so important.
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Agenda
►Motivation
►JPA validation
►TestNG vers. JUnit
►Best practices
►Summary
►Questions
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Summary – what we use?
►Junit and TestNG features more or less equivalent
►TestNG is slightly more powerful and elegant
►JPA validation ?
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Agenda
►Motivation
►JPA validation
►TestNG vers. JUnit
►Best practices
►Summary
►Questions
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Questions … … and maybe answers
@RunWith(DataProviderRunner.class)
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Links
http://http://www.testng.org/
https://http://junit.org/
http://http://www.mkyong.com/unittest/junit-4-vs-testng-comparison/
http://http://docs.oracle.com/javaee/6/tutorial/doc/gircz.html
https://github.com/TNG/junit-dataprovider/wiki/Getting-started
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Thank you
Ing. Jiří Kiml ,26/02/2015, Bern
