JMOCK CHEAT SHEET PDF

JMock expectations oneOf VS one difference Is any difference in using one() or oneOf() in JMock? In cheat sheet mentioned before there is also example. Appendix A. jMock2 Cheat Sheet Introduction We use jMock2 as our mock object We’re using JUnit (we assume you’re familiar with it); jMock also. jMock 1 Documentation Stubs, Expectations and the Dispatch of Mocked Methods in jMock 1 3; Mocking Classes with jMock 1 and CGLIB 4 Cheat Sheet .

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More matchers are defined as static factory methods of the Hamcrest Matchers class 2which can be statically imported at the sheeh of the test code.

Invocations that are expected in a sequence must occur in the order in which they appear in the test code. The argument is null. Factory methods for commonly used matchers are defined in the Expectations class. Conditions are represented as states of sneet machines. Finally we create a message object to publish. The following clauses constrain invocations to occur within specific states and define how an invocation will change the current state of a state machine.

States are used to constrain invocations to occur only when a condition is true. A Mockery creates mock objects and checks cyeat that are set upon those mock objects.

First we must import the jMock classes, define our test fixture class and create a “Mockery” that represents the context in which the Publisher exists. In tests I can see using one and in other there is oneOf. The following code specifies that the method “doSomething” must be called with a string that either contains the jmick “hello” or the text “howdy”.

The invocation is expected exactly n times. The equalTo constraint uses the equals method of the expected value to compare the expected and actual values for equality.

To test interactions between the Publisher and the Subscriber we will use a mock Subscriber object. The same matcher specifies that the actual value of the argument must be the same object as the expected value. In older versions of jMock and JUnit 4 you can use the JMock test runner, which is less flexible than the Rules mechanism shown above. This is useful for ignoring arguments that are not relevant to the scenario being tested. Which probably says that oneOf means that I expect that could be more invocations of method add and in this case there are two invocations one of them is with parameters 1 and 1, and second with parameters 2 and 2.

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ERRORwith stringContaining “sqrt” ; Loose parameter constraints are defined by specifying matchers for each parameter. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

The anyOf matcher specifies that the actual argument must meet at least one of the matchers given as arguments.

As a rule of thumb, use equal for value objects and same for behavioural objects. A Mockery represents the context of the object under test: The jMock library is explored in more depth in other Cheatt recipes 2. Changes jmkck state of state-machine to the named state when the invocation occurs.

The following code specifies that the method “doSomething” must be called with two arguments, the first of which is equal to 1 and the second of which is ignored in this test.

jMock – Matchers

A Publisher sends messages to zero or more Subscribers. The most commonly used matchers are defined in the Expectations 1 class:. The MockObjectTestCase does this automatically. More chheat are defined as static methods in the org. Sign up or log in Sign up using Google.

jMock 2 Cheat Sheet

Do all actions a 1 to a n on every invocation. The type argument is required to force Java to type-check the argument at compile time.

The wheet matches one of the Matchers m 1 to m n.

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We will test that a Publisher sends a message to a single registered Subscriber. The following code specifies that method “doSomething” must be called with an argument that is a string containing the text “hello”. Most of the time expectations specify literal parameter values that are compared hceat equality against the actual parameters of invoked methods.

The stringContaining matcher specifies that the expected argument must be a string that contains the given substring. Post as a guest Name. The JMock test runner does this automatically. Software jMock 2 Java 1. Composite matchers are themselves matchers and can therefore be further composed.

The examples above assume that the mock object is stored in an instance variable. Constrains the last sheef to occur only when the state machine is in the named state. We first set up the context in which our test will execute. The following code specifies that the method “doSomething” must be chfat with a string that contains the text “hello” and the text dheet.

The argument is any value. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of jmkckprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

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. Matchers can be composed to create a tighter or looser specification. Software jMock 2 Java 1. The allOf matcher specifies that the actual argument must meet jmick of the matchers given as arguments.

The following code specifies that the method “doSomething” will be called with one argument of value 1 plus or minus 0.