Applied MyEclipse and JUnit to do Hibernate Code Gen and TestingAlbert Guo

junyuo@gmail.com

Agenda

• High Level Picture

• Hibernate Code Generation

– Code Gen Process

– Generate DAO for the four tables

– Artifacts

– Spring Configuration File

– Sequence Diagram

• Apply JUnit to do DAOs Test

– JUnit Framework

– How to Test with JUnit?

– Simplified Workflow of Applying JUnit

– Testing Process

– Generate Unit Test Result via Ant

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High Level Picture

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Client Layer Business Layer Persistence Layer

Spring – IOC Container

Hibernate Session Mgt.

Business Service Classes

HibernateWindchill Workflow

Data Source / Connection Pool

ApplicationContext

DAO Classes

ApplicationContext.xml Hibernate Mapping files

Code Gen Process

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including POJOs, DAOs, hibernate mapping files and Spring configuration file

Filled in connection info.

Add MS SQL driver

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Save password, then you do not need to type in again

Click Test Driver to test database connection

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If you connect to database successfully, then you can see this popup window

Generate DAO for the four tables

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Select tables which we would like to do code gen.

Click Hibernate Reverse Engineering

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Assign destination

Generate hibernate mapping file

Generate POJO

Generate Spring DAO

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Select ID Generator

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Artifacts

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We had generated POJOs, hibernate mapping files, and DAOs

Spring Configuration File

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Inject webSiteDataSource into sessionFactory

Spring Configuration File – cont.

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Inject sessionFactory into each DAOs.

Sequence Diagram

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Apply Junit to do DAOs Test

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JUnit Framework

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run()

<< interface >>Test

fName

setUp()runTest()tearDown()run()

TestCase

run()addTest()

TestSuite

*

TestResult

junit.framework

assertTrue()assertEquals()...

Assert

junit.textui.TestRunner junit.swingui.TestRunner

How to Test with JUnit?

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junit

WipPortingDAO

TestCase

exercise1..*

TestRunner

run1..*WipPortingDAOTest

test1

test2

…

Simplified Workflow of Applying JUnit

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Class files

Test CasesTest MethodsTest Suites

Test Runner

Testing Process

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Overrides setUp() and/or tearDown()

Writes test methods, ex.test…()

Uses Assert.assert…()

Writes suite() and/or main()

Create Fixture via MyEclipse

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Create Fixture via MyEclipse – cont.

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Create Fixture via MyEclipse – cont.

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Create Fixture via MyEclipse – cont.

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Exercise & Verify

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Exercise & Verify – cont.

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Suit Management

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Suit Management

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Generate Unit Test Result via Ant

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Build.xml

Generate Unit Test Result via Ant

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