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/*
* Copyright (c) 2017 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockito.internal.framework;
import org.junit.After;
import org.junit.Test;
import org.mockito.ArgumentMatchers;
import org.mockito.MockSettings;
import org.mockito.StateMaster;
import org.mockito.exceptions.misusing.RedundantListenerException;
import org.mockito.internal.configuration.plugins.Plugins;
import org.mockito.listeners.MockCreationListener;
import org.mockito.listeners.MockitoListener;
import org.mockito.mock.MockCreationSettings;
import org.mockito.plugins.InlineMockMaker;
import org.mockitoutil.TestBase;
import java.util.List;
import java.util.Set;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeTrue;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.mockingDetails;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.withSettings;
import static org.mockitoutil.ThrowableAssert.assertThat;
public class DefaultMockitoFrameworkTest extends TestBase {
private DefaultMockitoFramework framework = new DefaultMockitoFramework();
@After public void clearListeners() {
new StateMaster().clearMockitoListeners();
}
@Test(expected = IllegalArgumentException.class)
public void prevents_adding_null_listener() {
framework.addListener(null);
}
@Test(expected = IllegalArgumentException.class)
public void prevents_removing_null_listener() {
framework.removeListener(null);
}
@Test
public void ok_to_remove_unknown_listener() {
//it is safe to remove listener that was not added before
framework.removeListener(new MockitoListener() {});
}
@Test
public void ok_to_remove_listener_multiple_times() {
MockitoListener listener = new MockitoListener() {};
//when
framework.addListener(listener);
//then it is ok to:
framework.removeListener(listener);
framework.removeListener(listener);
}
@Test
public void adds_creation_listener() {
//given creation listener is added
MockCreationListener listener = mock(MockCreationListener.class);
framework.addListener(listener);
//when
MockSettings settings = withSettings().name("my list");
List mock = mock(List.class, settings);
Set mock2 = mock(Set.class);
//then
verify(listener).onMockCreated(eq(mock), any(MockCreationSettings.class));
verify(listener).onMockCreated(eq(mock2), any(MockCreationSettings.class));
verifyNoMoreInteractions(listener);
}
@SuppressWarnings({"CheckReturnValue", "MockitoUsage"})
@Test
public void removes_creation_listener() {
//given creation listener is added
MockCreationListener listener = mock(MockCreationListener.class);
framework.addListener(listener);
//and hooked up correctly
mock(List.class);
verify(listener).onMockCreated(ArgumentMatchers.any(), any(MockCreationSettings.class));
//when
framework.removeListener(listener);
mock(Set.class);
//then
verifyNoMoreInteractions(listener);
}
@Test public void prevents_duplicate_listeners_of_the_same_type() {
//given creation listener is added
framework.addListener(new MyListener());
assertThat(new Runnable() {
@Override
public void run() {
framework.addListener(new MyListener());
}
}) .throwsException(RedundantListenerException.class)
.throwsMessage("\n" +
"Problems adding Mockito listener.\n" +
"Listener of type 'MyListener' has already been added and not removed.\n" +
"It indicates that previous listener was not removed according to the API.\n" +
"When you add a listener, don't forget to remove the listener afterwards:\n" +
" Mockito.framework().removeListener(myListener);\n" +
"For more information, see the javadoc for RedundantListenerException class.");
}
@Test
public void clearing_all_mocks_is_safe_regardless_of_mock_maker_type() {
List mock = mock(List.class);
//expect
assertTrue(mockingDetails(mock).isMock());
framework.clearInlineMocks();
}
@Test
public void clears_all_mocks() {
//clearing mocks only works with inline mocking
assumeTrue(Plugins.getMockMaker() instanceof InlineMockMaker);
//given
List list1 = mock(List.class);
assertTrue(mockingDetails(list1).isMock());
List list2 = mock(List.class);
assertTrue(mockingDetails(list2).isMock());
//when
framework.clearInlineMocks();
//then
assertFalse(mockingDetails(list1).isMock());
assertFalse(mockingDetails(list2).isMock());
}
@Test
public void clears_mock() {
//clearing mocks only works with inline mocking
assumeTrue(Plugins.getMockMaker() instanceof InlineMockMaker);
//given
List list1 = mock(List.class);
assertTrue(mockingDetails(list1).isMock());
List list2 = mock(List.class);
assertTrue(mockingDetails(list2).isMock());
//when
framework.clearInlineMock(list1);
//then
assertFalse(mockingDetails(list1).isMock());
assertTrue(mockingDetails(list2).isMock());
}
private static class MyListener implements MockitoListener {}
}
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