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Introduction


Magnolia uses JUnit tests and EasyMock for creating unit tests.

EasyMock

Information about EasyMock can be found www.easymock.org

documentation and examples http://www.easymock.org/EasyMock1_2_Java1_3_Documentation.html 

we are using version 0.09... is that true?

Magnolia Mocking overview

For testing basic functionality that does depend on itself there is no need to use mock objects we can just test that method functionality straight away, but usually we need to test objects that depend on other objects and there is where we use this mock objects, beware that they can just return what you want but the code behind won't be executed.

Imagine you need to test something that depends on a repository, well you can 'mock' a repository and it's content without having to create the repository itself. You can extend your test class from MgnlTestCase that will setup the basic environment for you and then use something like:

HierarchyManager hm = MockUtil.createAndSetHierarchyManager(REPOSITORY, CONTENT);

By doing this you can access to the nodes of you 'fake' repositoy as if it where real. But if you really need to use a real repository you can extend from RepositoryTestCase and use the methods declared in it.

Useful classes included in magnolia-core for building tests:

Here are some of the clases we have for Magnolia testing, you can find more classes in package info.magnolia.test 

  • MgnlTestCase - Sets up a basic environment for the test, loads beans and modules properties and initializes a mock context as the local context.
  • MockUtil - You can create mock objects and using createHierarchyManager you can build mock content based on a property file. The content can be force to be ordered and it allows you to create nodes, content, properties...
  • MockContent - emulates a Content object used by MockUtil
  • MockConext - emulates a context where you can set a mocked hierarchy manager
  • RepositoryTestCase - Can be used to test on a real repository. It will initialize and delete it when finished.
  • FactoryUtil - Class to allow various kinds of classes instantiations. Includes methods to convert content to beans.
final SystemContext sysCtx = createStrictMock(SystemContext.class);

        sysCtx.setLocale(Locale.ENGLISH);

        FactoryUtil.setInstance(SystemContext.class, sysCtx);

What this example does is to use the EasyMock method createStrictMock that creates an instance of the SystemContext inteface meaning that it creates a mock object that implements this interface checking the order of method calls. It sets the property Locale to this new context and then uses the FactoryUtil class to register the new instance which will be returned by getSingleton()

Magnolia Mock Objects - Mock Content 

 The customized mock objects that we provide to be able to setup an environment for Magnolia tests can be found in package info.magnolia.test.mock.

TODO:more explanation here. 

When creating a hierarchy manager you can either initialize it from a file:

main@type = mgnl:content
main@uuid = 1

main/uuidLink@type = mgnl:contentNode
main/uuidLink@uuid = 2
main/uuidLink.MetaData.mgnl\:template = someParagraphName
main/uuidLink.MetaData.mgnl\:authorid = superuser
main/uuidLink.MetaData.mgnl\:activatorid = superuser
main/uuidLink.MetaData.mgnl\:title = myTitle
main/uuidLink.link1 = 3

main/linkTarget@type = mgnl:content
main/linkTarget@uuid = 3
main/linkTarget.prop1 = sub2value1
main/linkTarget.prop2 = sub2value2
main/linkTarget.prop3 = boolean:false

main/content@type = mgnl:contentNode
main/content@uuid = 4
main/content.value = Content Value

or you can create a variable with the data or pass it to the method call directly:

public final String CONTENT = ""
+ "main/content@type = mgnl:contentNode"
+ "main/content@uuid = 4"

+ "main/content.value = Content Value";





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