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How to use returnIterator method of org.jmock.AbstractExpectations class

Best Jmock-library code snippet using org.jmock.AbstractExpectations.returnIterator

Source:AbstractExpectations.java

...278    public static Action throwException(Throwable throwable) {279        return new ThrowAction(throwable);280    }281    282    public static Action returnIterator(Collection<?> collection) {283        return new ReturnIteratorAction(collection);284    }285    286    public static <T> Action returnIterator(T ... items) {287        return new ReturnIteratorAction(items);288    }289    290    public static Action returnEnumeration(Collection<?> collection) {291        return new ReturnEnumerationAction(collection);292    }293    294    public static <T> Action returnEnumeration(T ... items) {295        return new ReturnEnumerationAction(items);296    }297    298    public static Action doAll(Action...actions) {299        return new DoAllAction(actions);300    }...

returnIterator

Using AI Code Generation

1package org.jmock.test.acceptance;2import org.jmock.Expectations;3import org.jmock.Mockery;4import org.jmock.integration.junit4.JUnitRuleMockery;5import org.jmock.test.unit.lib.legacy.ClassImposteriser;6import org.junit.Rule;7import org.junit.Test;8import java.util.Iterator;9import static org.hamcrest.Matchers.equalTo;10public class IteratorExpectationsAcceptanceTests {11    @Rule public final JUnitRuleMockery context = new JUnitRuleMockery() {{12        setImposteriser(ClassImposteriser.INSTANCE);13    }};14    public void canExpectIteratorToReturnValues() {15        final Iterator<String> iterator = context.mock(Iterator.class);16        context.checking(new Expectations() {{17            oneOf (iterator).next();18            will(returnIterator("one", "two", "three"));19            oneOf (iterator).next();20            will(returnIterator("four", "five", "six"));21        }});22        assertThat(iterator.next(), equalTo("one"));23        assertThat(iterator.next(), equalTo("two"));24        assertThat(iterator.next(), equalTo("three"));25        assertThat(iterator.next(), equalTo("four"));26        assertThat(iterator.next(), equalTo("five"));27        assertThat(iterator.next(), equalTo("six"));28    }29}

returnIterator

Using AI Code Generation

1import org.jmock.Expectations;2import org.jmock.Mockery;3import org.jmock.States;4import org.jmock.integration.junit4.JUnitRuleMockery;5import org.junit.Rule;6import org.junit.Test;7public class JMockTest {8    public JUnitRuleMockery context = new JUnitRuleMockery();9    private Mockery mockery = new Mockery();10    private final States state = context.states("state");11    public void testReturnIterator() {12        final Iterator<String> mockIterator = context.mock(Iterator.class);13        final List<String> mockList = context.mock(List.class);14        context.checking(new Expectations() {15            {16                oneOf(mockList).iterator();17                will(returnIterator("a", "b", "c"));18            }19        });20        Iterator<String> iterator = mockList.iterator();21        while (iterator.hasNext()) {22            System.out.println(iterator.next());23        }24    }25}

returnIterator

Using AI Code Generation

1package com.jmockit;2import java.util.Iterator;3import java.util.List;4import java.util.Arrays;5import mockit.Expectations;6import mockit.Injectable;7import mockit.Tested;8import org.junit.Test;9import org.junit.runner.RunWith;10import org.junit.runners.JUnit4;11import static org.junit.Assert.assertEquals;12@RunWith(JUnit4.class)13public class ReturnIteratorTest {14    private List<String> testedList;15    private List<String> mockList;16    public void testReturnIterator() {17        new Expectations() {18            {19                mockList.add("one");20                result = returnIterator(Arrays.asList(true, false));21                mockList.add("two");22                result = returnIterator(Arrays.asList(true, false));23                mockList.add("three");24                result = returnIterator(Arrays.asList(true, false));25            }26        };27        testedList.add("one");28        testedList.add("two");29        testedList.add("three");30        assertEquals(3, testedList.size());31    }32}

returnIterator

Using AI Code Generation

1import org.jmock.*2import org.jmock.integration.junit4.*3import org.jmock.lib.legacy.*4public class ReturnIteratorTest {5    @Rule public JUnitRuleMockery context = new JUnitRuleMockery()6    public interface MyInterface {7        public Iterator<String> getIterator()8    }9    public void testReturnIterator() {10        final MyInterface mock = context.mock(MyInterface)11        context.checking(new Expectations() {12            {13                oneOf(mock).getIterator()14                will(returnIterator("a", "b", "c"))15            }16        })17        Iterator<String> iterator = mock.getIterator()18        assert iterator.next() == "a"19        assert iterator.next() == "b"20        assert iterator.next() == "c"21        assert !iterator.hasNext()22    }23}24  EXPECTED: one call to MyInterface.getIterator()25	at org.jmock.lib.legacy.ClassImposteriser$MockInvocationHandler.invoke(ClassImposteriser.java:211)26	at com.sun.proxy.$Proxy0.getIterator(Unknown Source)27	at ReturnIteratorTest.testReturnIterator(ReturnIteratorTest.groovy:31)28The test fails because the mock method getIterator() is not called. In order to fix this, we need to call the method on the mock object in the test method:

returnIterator

Using AI Code Generation

1package com.journaldev.jmockit;2import java.util.Iterator;3import java.util.List;4import mockit.Expectations;5import mockit.Mocked;6public class MockedClassDemo {7	public void printList(List<String> list) {8		System.out.println(list);9	}10	public static void main(String[] args) {11		MockedClassDemo obj = new MockedClassDemo();12		List<String> list = null;13		obj.printList(list);14	}15	List<String> list;16	public void test() {17		new Expectations() {18			{19				list.iterator();20				result = new Iterator<String>() {21					public boolean hasNext() {22						return false;23					}24					public String next() {25						return null;26					}27				};28			}29		};30		printList(list);31	}32}

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