Best Mockito code snippet using org.mockitousage.verification.BasicVerificationInOrderTest.shouldNotContainAllInvocationsWhenSingleUnwantedFound
shouldNotContainAllInvocationsWhenSingleUnwantedFound
Using AI Code Generation
1import org.junit.jupiter.api.DisplayName;2import org.junit.jupiter.api.Test;3import static org.mockito.Mockito.*;4class ShouldNotContainAllInvocationsWhenSingleUnwantedFound {5 @DisplayName("shouldNotContainAllInvocationsWhenSingleUnwantedFound")6 void test() {7 SomeMethods mock = mock(SomeMethods.class);8 mock.oneArg(true);9 mock.oneArg(false);10 mock.twoArg(true, false);11 mock.twoArg(false, true);12 mock.oneArg(true);13 mock.twoArg(false, true);14 shouldNotContainAllInvocationsWhenSingleUnwantedFound(mock, mock.oneArg(true), mock.twoArg(false, true));15 }16}17package org.mockitousage.verification;18import org.junit.jupiter.api.Test;19import org.mockito.InOrder;20import org.mockitoutil.TestBase;21import static org.mockito.Mockito.*;22public class BasicVerificationInOrderTest extends TestBase {23 public void shouldNotContainAllInvocationsWhenSingleUnwantedFound(Object mock, Object... unwanted) {24 InOrder inOrder = inOrder(mock);25 inOrder.verify(mock).oneArg(true);26 inOrder.verify(mock).twoArg(false, true);27 try {28 inOrder.verify(mock, never()).oneArg(true);29 fail("Should throw exception");30 } catch (org.mockito.exceptions.verification.NeverWantedButInvoked e) {31 }32 }33}34package org.mockitousage.verification;35public interface SomeMethods {36 void oneArg(boolean b);37 void twoArg(boolean b, boolean b1);38}39package org.mockitousage.verification;40import org.junit.jupiter.api.Test;41import org.mockito.InOrder;42import org.mockitoutil.TestBase;43import static org.mockito.Mockito.*;44public class BasicVerificationInOrderTest extends TestBase {45 public void shouldNotContainAllInvocationsWhenSingleUnwantedFound() {46 SomeMethods mock = mock(SomeMethods.class);47 mock.oneArg(true);48 mock.oneArg(false);49 mock.twoArg(true, false);50 mock.twoArg(false, true);51 mock.oneArg(true);52 mock.twoArg(false, true);53 shouldNotContainAllInvocationsWhenSingleUnwantedFound(mock, mock.oneArg(true
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If I understand correctly, the problem is not really to test the observer, but to test the result of an asynchronous method call. To do that, create an observer which blocks until its update() method has been called. Something like the following:
public class BlockingGameObserver extends GameInstanceObserver {
private CountDownLatch latch = new CountDownLatch(1);
@Override
public void update() {
latch.countDown();
}
public void waitUntilUpdateIsCalled() throws InterruptedException {
latch.await();
}
}
And in your test:
private BlockingGameObserver observer;
@Before
public void setUp() throws IOException, Exception {
observer = new BlockingGameObserver();
GameInstance.getInstance().addObserver(observer);
}
@Test
public void getRoomUserData_usingNullKey_shouldThrowUserDataDoesntExist() throws InterruptedException, UserDataDoesntExistException {
serverService.createRoom("exampleRoom");
observer.waitUntilUpdateIsCalled();
assertEquals("exampleRoom",
GameInstance.getInstance().getRoom("exampleRoom").getRoomId());
}
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