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/*
* Copyright (c) 2017 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockitousage.session;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoSession;
import org.mockito.exceptions.misusing.InjectMocksException;
import org.mockito.exceptions.misusing.UnfinishedStubbingException;
import org.mockito.quality.Strictness;
import org.mockitousage.IMethods;
import org.mockitoutil.JUnitResultAssert;
import org.mockitoutil.TestBase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mockingDetails;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
public class MockitoSessionTest extends TestBase {
private JUnitCore junit = new JUnitCore();
@Test public void session_without_any_configuration() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithoutAnyConfiguration.class);
//expect
JUnitResultAssert.assertThat(result).succeeds(1);
}
@Test public void session_without_init_mocks_configured() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithoutInitMocksConfigured.class);
//expect
JUnitResultAssert.assertThat(result).succeeds(1);
}
@Test public void session_without_strictness_configured() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithoutStrictnessConfigured.class);
//expect
JUnitResultAssert.assertThat(result).succeeds(1);
}
@Test public void session_with_incorrect_mockito_usage() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithIncorrectMockitoUsage.class);
//expect
JUnitResultAssert.assertThat(result).fails(1, UnfinishedStubbingException.class);
}
@Test public void reports_other_failure_and_incorrect_mockito_usage() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithTestFailureAndIncorrectMockitoUsage.class);
//expect
JUnitResultAssert.assertThat(result)
.failsExactly(AssertionError.class, UnfinishedStubbingException.class);
}
@Test public void allows_initializing_mocks_manually() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithManuallyInitializedMock.class);
//expect
JUnitResultAssert.assertThat(result).succeeds(1);
}
@Test public void allows_updating_strictness() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithUpdatedStrictness.class);
//expect
JUnitResultAssert.assertThat(result).succeeds(1);
}
@Test public void allows_overriding_failure() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithOverriddenFailure.class);
//expect
JUnitResultAssert.assertThat(result).isSuccessful();
//in order to demonstrate feature, we intentionally misuse Mockito and need to clean up state
resetState();
}
@Test public void cleans_up_state_when_init_fails() {
//when
Result result = junit.run(MockitoSessionTest.SessionWithInitMocksFailure.class);
//expect that both failures are the same, indicating correct listener cleanup
//incorrect cleanup causes 1 failure to be InjectMocksException
// but the next test method would have failed with unuseful error that session was not cleaned up
JUnitResultAssert.assertThat(result)
.fails(2, InjectMocksException.class);
}
public static class SessionWithoutAnyConfiguration {
@Mock IMethods mock;
//session without initMocks is not currently supported
MockitoSession mockito = Mockito.mockitoSession().startMocking();
@After public void after() {
mockito.finishMocking();
}
@Test public void some_test() {
assertNull(mock); //initMocks() was not used when configuring session
}
}
public static class SessionWithoutInitMocksConfigured {
@Mock IMethods mock;
MockitoSession mockito = Mockito.mockitoSession().strictness(Strictness.LENIENT).startMocking();
@After public void after() {
mockito.finishMocking();
}
@Test public void some_test() {
assertNull(mock); //initMocks() was not used when configuring session
}
}
public static class SessionWithoutStrictnessConfigured {
@Mock IMethods mock;
MockitoSession mockito = Mockito.mockitoSession().initMocks(this).startMocking();
@After public void after() {
mockito.finishMocking();
}
@Test public void some_test() {
assertNotNull(mock);
}
}
public static class SessionWithIncorrectMockitoUsage {
@Mock IMethods mock;
MockitoSession mockito = Mockito.mockitoSession().initMocks(this).startMocking();
@After public void after() {
mockito.finishMocking();
}
@SuppressWarnings({"MockitoUsage", "CheckReturnValue"})
@Test public void unfinished_stubbing() {
when(mock.simpleMethod());
}
}
public static class SessionWithTestFailureAndIncorrectMockitoUsage {
@Mock IMethods mock;
MockitoSession mockito = Mockito.mockitoSession().initMocks(this).startMocking();
@After public void after() {
mockito.finishMocking();
}
@SuppressWarnings({"MockitoUsage", "CheckReturnValue"})
@Test public void unfinished_stubbing_with_other_failure() {
when(mock.simpleMethod());
assertTrue(false);
}
}
public static class SessionWithManuallyInitializedMock {
@Mock IMethods mock;
IMethods mock2 = Mockito.mock(IMethods.class, "manual mock");
MockitoSession mockito = Mockito.mockitoSession().initMocks(this).startMocking();
@After public void after() {
mockito.finishMocking();
}
@Test public void manual_mock_preserves_its_settings() {
assertEquals("mock", mockingDetails(mock).getMockCreationSettings().getMockName().toString());
assertEquals("manual mock", mockingDetails(mock2).getMockCreationSettings().getMockName().toString());
}
}
public static class SessionWithUpdatedStrictness {
@Mock IMethods mock;
MockitoSession mockito = Mockito.mockitoSession().initMocks(this).strictness(Strictness.STRICT_STUBS).startMocking();
@After public void after() {
mockito.finishMocking();
}
@Test public void manual_mock_preserves_its_settings() {
when(mock.simpleMethod(1)).thenReturn("foo");
//when
mockito.setStrictness(Strictness.LENIENT);
//then no exception is thrown, even though the arg is different
mock.simpleMethod(2);
}
}
public static class SessionWithOverriddenFailure {
@Mock IMethods mock;
MockitoSession mockito = Mockito.mockitoSession().initMocks(this).startMocking();
@After public void after() {
mockito.finishMocking(new RuntimeException("Boo!"));
}
@SuppressWarnings({"MockitoUsage", "CheckReturnValue"})
@Test public void invalid_mockito_usage() {
verify(mock);
}
}
public static class SessionWithInitMocksFailure {
@InjectMocks private ConstructorFail sut;
MockitoSession mockito;
@Before
public void before() {
mockito = Mockito.mockitoSession().initMocks(this).startMocking();
}
@After public void after() {
if (mockito != null) {
//so that we reduce amount of exceptions for easier assertions
//otherwise we would get an NPE here
mockito.finishMocking();
}
}
@Test public void test1() {
//should fail the same way
}
@Test public void test2() {
//should fail the same way
}
static class ConstructorFail {
ConstructorFail() {
throw new RuntimeException("Boo!");
}
}
}
}
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