JMOCK CHEAT SHEET PDF

JMock is a library that supports test-driven development 1 of Java 2 code with mock objects 3. Issue Tracker. The cookbook has a new page that explains how to mock asynchronous GWT services with jMock. JMock 2. This release is mainly concerned with upgrading its supporting libraries, moving to Cglib 2.

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Test Fixture Class. Expectations; import org. Mockery; import org. JMock; import org. A Mockery creates mock objects and checks expectations that are set upon those mock objects. RunWith Jmock. Creating Mock Objects. The examples above assume that the mock object is stored in an instance variable. IllegalArgumentException: a mock with name Turtle already exists. Tests with Expectations. The JUnit 3 and JUnit 4 integration layers automatically assert that all expectations have been satisfied.

An expectations block can contain any number of expectations. A test can contain multiple expectation blocks. Expectations in later blocks are appended to those in earlier blocks. Expectations can be interspersed with calls to the code under test. Expectations have the following structure:.

Except for the invocation count and the mock object, all clauses are optional. Some examples:. This test ignores it. Invocation Count. The invocation is expected once and once only. The invocation is allowed any number of times but does not have to happen. Allowing or ignoring should be chosen to make the test code clearly express intent. The invocation is not expected at all. This is used to make tests more explicit and so easier to understand. Methods And Expectations. Expected methods are specified by a literal call to the method within an expectation block.

Arguments passed to the method in an expectation will be compared for equality. Argument Matchers. The argument is any value. The type argument is required to force Java to type-check the argument at compile time. The argument is null. The argument is not null. Invocations that are expected in a sequence must occur in the order in which they appear in the test code. A test can create more than one sequence and an expectation can be part of more than once sequence at a time.

To define a new sequence:. Cannot refer to a non-final variable sequence-name inside an inner class defined in a different method. For example:. Expectations in a sequence can have any invocation count. States are used to constrain invocations to occur only when a condition is true. Conditions are represented as states of state machines.

A test can create multiple state machines and each state machine can have multiple states. An invocation can be constrained to occur during a state of one more more state machines. To define a new state machine:. The intial state is optional. If not specified, the state machine starts in an unnamed initial state. The following clauses constrain invocations to occur within specific states and define how an invocation will change the current state of a state machine.

Constrains the last expectation to occur only when the state machine is in the named state. Jmock JMock Cheat Sheet. Some examples: oneOf turtle. Invocation Count oneOf The invocation is expected once and once only.

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About jMock

Test Fixture Class. Expectations; import org. Mockery; import org. JMock; import org. A Mockery creates mock objects and checks expectations that are set upon those mock objects.

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jMock 2 Cheat Sheet

A Mockery represents the context of the object under test: the objects that it communicates with. A Mockery creates mock objects and checks expectations that are set upon those mock objects. By convention the Mockery is stored in an instance variable named context. Tests written with JUnit 3 can extend MockObjectTestCase, in which case they don't need to explictly create or refer to the context. Tests written with JUnit 4 do not need to extend a specific base class but must specify that they use jMock with the RunWith attribute, create a JUnit4Mockery that reports expectation failures as JUnit 4 test failures, and store the Mockery in an instance variable. The examples above assume that the mock object is stored in an instance variable.

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Getting Started

GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Skip to content. Permalink Dismiss Join GitHub today GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Sign up. Branch: master. Find file Copy path. Cannot retrieve contributors at this time.

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JMock to Scalamock Cheat Sheet

By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Is any difference in using one or oneOf in JMock? Note: one is convenient shorthand for exactly 1. In tests I can see using one and in other there is oneOf.

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