Differences between Mock4JS and jMock 1

Mock4JS is closely based on jMock 1 syntax but there are some differences where I have taken advantage of the dynamic nature of Javascript

Here are a list of differences.

No need for .method() and .with()

In jMock:

mockSubscriber.expects(once()).method("receive").with(eq(message));

In Mock4JS:

mockSubscriber.expects(once()).receive(eq(message));

The eq() constraint is optional

In jMock:

mockSubscriber.expects(once()).method("receive").with(eq(message));

In Mock4JS:

mockSubscriber.expects(once()).receive(eq(message));

is the same as:

mockSubscriber.expects(once()).receive(message);

Similarly, in not(), the eq() is optional:

mockSubscriber.expects(once()).receive(not(eq(message)));

is the same as:

mockSubscriber.expects(once()).receive(not(message));

No need for onConsecutiveCalls()

In jMock:

mock.stubs.method("getValue").will(onConsecutiveCalls(returnValue(1), throwException(new Exception()));

In Mock4JS:

mock.stubs().getValue().will(returnValue(1), throwException(new Error()));

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