EasyMock Tutorial for Beginners – Learn EasyMock in simple and easy steps starting Environment Setup, First Application, JUnit Integration, Adding Behavior. EasyMock JUnit Integration – Learn EasyMock Programming in simple and easy steps starting from Overview, Environment Setup, First Application, JUnit. EasyMock is then used to emulate objects to enable Junit to test each object in isolation. You should be able to run tests with JUnit from Eclipse after reading this .

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Please note that there is an SOP on line 6, which prints on the console if the code hits the database.

EasyMock Tutorial

These methods will still be called when serializing the mock and might fail. During the replay phase, mocks are by default thread-safe. Other Languages since they came to the unit testing world later than java don’t have this seperation for the most part. JUnit4, JUnit5, and Spock: In the latter case, our code sample would not compile: To define the new argument matcher, we implement the interface org. The class has the purpose to calculate the salary of a person based on the provided method and position.

JUnit is used to execute the code to be tested in an isolated manor so that those validations can be made. The equivalent annotation is Mock MockType.


A strict Mock Object has order checking enabled after creation. It will automatically registers all created mocks and replay, reset or verify them in batch instead of explicitly. EasyMock provides a default behavior for Object’s methods equals, hashCode, toString, finalize.

Instead of expect mock. Multiple methods may be tagged with the BeforeClass annotation, however no order is guaranteed. Working with Exceptions For specifying exceptions more exactly: If for some reason, the concrete class isn’t implementing the method that is delegated, you will get an exception during the replay only. This can be used to perform clean-up activities for example be used to disconnect to a database. For this purpose we need to add some dependencies to the pom.

java – Junit and EasyMock understanding clarifications – Stack Overflow

Each of which is handled slightly different. Say what methods and parameters you expect to be executed during the test Test: Erasing the tape, making it blank to record a new song. Finally, we run our test class with the following command. Daniel Roop 3.

Abd to temporarily exclude a test method from test execution. Before ; import org.

This shows the DB was not hit. On a Mock Object returned esymock a EasyMock. However, different mocks can be recorded simultaneously in different threads. Test Class optional Timeout optional Used to indicate a test method.


As an example, the following code will not compile, as the type of the provided return value does not match the method’s return value: It contains detailed definitions for unit testing and mock objects as well as a description of the lifecycle of each. As mentioned above, coffee easymodk can produce three sizes of coffee depending on portion you want to get.

JUnit provides convenient way for this. Please help me to learn. The Concept of Mocking.

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This can be used to perform clean-up activities for example be used to disconnect to a database Ignore Will ignore the test method, e. Two steps are necessary to achieve this: JUnit is a popular framework for creating unit tests for Java. Indicates a method that eaasymock return a Collection of objects that match the parameters for an available constructor in your test.

It performs all required testing.

Executed before any other methods are executed within the class. During recording, a mock is not thread-safe. It provides a simple yet effective API for the execution of all four phases of a unit test.

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