MockitoStubbingTest test class for testing
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package com.ossez.demo.mockito;
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import org.junit.Test;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.LinkedList;
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import java.util.List;
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import static org.mockito.Mockito.*;
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/**
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* MockitoStubbingTest
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*
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* @author yhu
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*/
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public class MockitoStubbingTest {
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final Logger logger = LoggerFactory.getLogger(MockitoStubbingTest.class);
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/**
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* testMockitoStubbing
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*
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* @see <a href="https://www.cwiki.us/pages/viewpage.action?pageId=47843418">How about some stubbing</a>
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*/
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@Test
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public void testMockitoStubbing() {
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logger.debug("Test MockitoStubbing");
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//You can mock concrete classes, not just interfaces
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LinkedList mockedList = mock(LinkedList.class);
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//stubbing
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when(mockedList.get(0)).thenReturn("first");
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when(mockedList.get(1)).thenThrow(new RuntimeException());
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//following prints "first"
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System.out.println(mockedList.get(0));
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//following throws runtime exception
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System.out.println(mockedList.get(1));
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//following prints "null" because get(999) was not stubbed
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System.out.println(mockedList.get(999));
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//Although it is possible to verify a stubbed invocation, usually it's just redundant
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// If your code cares what get(0) returns, then something else breaks (often even before verify() gets executed).
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// If your code doesn't care what get(0) returns, then it should not be stubbed.
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verify(mockedList).get(0);
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}
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}
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