How to use InlineByteBuddyMockMakerTest class of org.mockito.internal.creation.bytebuddy package

Best Mockito code snippet using org.mockito.internal.creation.bytebuddy.InlineByteBuddyMockMakerTest

Source:InlineByteBuddyMockMakerTest.java

...25import org.mockito.internal.util.collections.Sets;26import org.mockito.mock.MockCreationSettings;27import org.mockito.mock.SerializableMode;28import org.mockito.plugins.MockMaker;29public class InlineByteBuddyMockMakerTest extends AbstractByteBuddyMockMakerTest<InlineByteBuddyMockMaker> {30    public InlineByteBuddyMockMakerTest() {31        super(new InlineByteBuddyMockMaker());32    }33    @Test34    public void should_create_mock_from_final_class() throws Exception {35        MockCreationSettings<InlineByteBuddyMockMakerTest.FinalClass> settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.FinalClass.class);36        InlineByteBuddyMockMakerTest.FinalClass proxy = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.FinalClass>(settings));37        assertThat(proxy.foo()).isEqualTo("bar");38    }39    @Test40    public void should_create_mock_from_final_class_in_the_JDK() throws Exception {41        MockCreationSettings<Pattern> settings = InlineByteBuddyMockMakerTest.settingsFor(Pattern.class);42        Pattern proxy = mockMaker.createMock(settings, new MockHandlerImpl<Pattern>(settings));43        assertThat(proxy.pattern()).isEqualTo("bar");44    }45    @Test46    public void should_create_mock_from_abstract_class_with_final_method() throws Exception {47        MockCreationSettings<InlineByteBuddyMockMakerTest.FinalMethodAbstractType> settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.FinalMethodAbstractType.class);48        InlineByteBuddyMockMakerTest.FinalMethodAbstractType proxy = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.FinalMethodAbstractType>(settings));49        assertThat(proxy.foo()).isEqualTo("bar");50        assertThat(proxy.bar()).isEqualTo("bar");51    }52    @Test53    public void should_create_mock_from_final_class_with_interface_methods() throws Exception {54        MockCreationSettings<InlineByteBuddyMockMakerTest.FinalMethod> settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.FinalMethod.class, InlineByteBuddyMockMakerTest.SampleInterface.class);55        InlineByteBuddyMockMakerTest.FinalMethod proxy = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.FinalMethod>(settings));56        assertThat(proxy.foo()).isEqualTo("bar");57        assertThat(((InlineByteBuddyMockMakerTest.SampleInterface) (proxy)).bar()).isEqualTo("bar");58    }59    @Test60    public void should_detect_non_overridden_generic_method_of_supertype() throws Exception {61        MockCreationSettings<InlineByteBuddyMockMakerTest.GenericSubClass> settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.GenericSubClass.class);62        InlineByteBuddyMockMakerTest.GenericSubClass proxy = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.GenericSubClass>(settings));63        assertThat(proxy.value()).isEqualTo("bar");64    }65    @Test66    public void should_create_mock_from_hashmap() throws Exception {67        MockCreationSettings<HashMap> settings = InlineByteBuddyMockMakerTest.settingsFor(HashMap.class);68        HashMap proxy = mockMaker.createMock(settings, new MockHandlerImpl<HashMap>(settings));69        assertThat(proxy.get(null)).isEqualTo("bar");70    }71    @Test72    @SuppressWarnings("unchecked")73    public void should_throw_exception_redefining_unmodifiable_class() {74        MockCreationSettings settings = InlineByteBuddyMockMakerTest.settingsFor(int.class);75        try {76            mockMaker.createMock(settings, new MockHandlerImpl(settings));77            fail("Expected a MockitoException");78        } catch (MockitoException e) {79            e.printStackTrace();80            assertThat(e).hasMessageContaining("Could not modify all classes");81        }82    }83    @Test84    @SuppressWarnings("unchecked")85    public void should_throw_exception_redefining_array() {86        int[] array = new int[5];87        MockCreationSettings<? extends int[]> settings = InlineByteBuddyMockMakerTest.settingsFor(array.getClass());88        try {89            mockMaker.createMock(settings, new MockHandlerImpl(settings));90            fail("Expected a MockitoException");91        } catch (MockitoException e) {92            assertThat(e).hasMessageContaining("Arrays cannot be mocked");93        }94    }95    @Test96    public void should_create_mock_from_enum() throws Exception {97        MockCreationSettings<InlineByteBuddyMockMakerTest.EnumClass> settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.EnumClass.class);98        InlineByteBuddyMockMakerTest.EnumClass proxy = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.EnumClass>(settings));99        assertThat(proxy.foo()).isEqualTo("bar");100    }101    @Test102    public void should_fail_at_creating_a_mock_of_a_final_class_with_explicit_serialization() throws Exception {103        MockCreationSettings<InlineByteBuddyMockMakerTest.FinalClass> settings = new CreationSettings<InlineByteBuddyMockMakerTest.FinalClass>().setTypeToMock(InlineByteBuddyMockMakerTest.FinalClass.class).setSerializableMode(SerializableMode.BASIC);104        try {105            mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.FinalClass>(settings));106            fail("Expected a MockitoException");107        } catch (MockitoException e) {108            assertThat(e).hasMessageContaining("Unsupported settings").hasMessageContaining("serialization").hasMessageContaining("extra interfaces");109        }110    }111    @Test112    public void should_fail_at_creating_a_mock_of_a_final_class_with_extra_interfaces() throws Exception {113        MockCreationSettings<InlineByteBuddyMockMakerTest.FinalClass> settings = new CreationSettings<InlineByteBuddyMockMakerTest.FinalClass>().setTypeToMock(InlineByteBuddyMockMakerTest.FinalClass.class).setExtraInterfaces(Sets.<Class<?>>newSet(List.class));114        try {115            mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.FinalClass>(settings));116            fail("Expected a MockitoException");117        } catch (MockitoException e) {118            assertThat(e).hasMessageContaining("Unsupported settings").hasMessageContaining("serialization").hasMessageContaining("extra interfaces");119        }120    }121    @Test122    public void should_mock_interface() {123        MockSettingsImpl<Set> mockSettings = new MockSettingsImpl<Set>();124        mockSettings.setTypeToMock(Set.class);125        mockSettings.defaultAnswer(new Returns(10));126        Set<?> proxy = mockMaker.createMock(mockSettings, new MockHandlerImpl<Set>(mockSettings));127        assertThat(proxy.size()).isEqualTo(10);128    }129    @Test130    public void should_mock_interface_to_string() {131        MockSettingsImpl<Set> mockSettings = new MockSettingsImpl<Set>();132        mockSettings.setTypeToMock(Set.class);133        mockSettings.defaultAnswer(new Returns("foo"));134        Set<?> proxy = mockMaker.createMock(mockSettings, new MockHandlerImpl<Set>(mockSettings));135        assertThat(proxy.toString()).isEqualTo("foo");136    }137    @Test138    public void should_remove_recursive_self_call_from_stack_trace() throws Exception {139        StackTraceElement[] stack = new StackTraceElement[]{ new StackTraceElement("foo", "", "", (-1)), new StackTraceElement(InlineByteBuddyMockMakerTest.SampleInterface.class.getName(), "", "", (-1)), new StackTraceElement("qux", "", "", (-1)), new StackTraceElement("bar", "", "", (-1)), new StackTraceElement("baz", "", "", (-1)) };140        Throwable throwable = new Throwable();141        throwable.setStackTrace(stack);142        throwable = MockMethodAdvice.hideRecursiveCall(throwable, 2, InlineByteBuddyMockMakerTest.SampleInterface.class);143        assertThat(throwable.getStackTrace()).isEqualTo(new StackTraceElement[]{ new StackTraceElement("foo", "", "", (-1)), new StackTraceElement("bar", "", "", (-1)), new StackTraceElement("baz", "", "", (-1)) });144    }145    @Test146    public void should_handle_missing_or_inconsistent_stack_trace() throws Exception {147        Throwable throwable = new Throwable();148        throwable.setStackTrace(new StackTraceElement[0]);149        assertThat(MockMethodAdvice.hideRecursiveCall(throwable, 0, InlineByteBuddyMockMakerTest.SampleInterface.class)).isSameAs(throwable);150    }151    @Test152    public void should_provide_reason_for_wrapper_class() {153        MockMaker.TypeMockability mockable = mockMaker.isTypeMockable(Integer.class);154        assertThat(mockable.nonMockableReason()).isEqualTo("Cannot mock wrapper types, String.class or Class.class");155    }156    @Test157    public void should_provide_reason_for_vm_unsupported() {158        MockMaker.TypeMockability mockable = mockMaker.isTypeMockable(int[].class);159        assertThat(mockable.nonMockableReason()).isEqualTo("VM does not not support modification of given type");160    }161    @Test162    public void should_mock_method_of_package_private_class() throws Exception {163        MockCreationSettings<InlineByteBuddyMockMakerTest.NonPackagePrivateSubClass> settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.NonPackagePrivateSubClass.class);164        InlineByteBuddyMockMakerTest.NonPackagePrivateSubClass proxy = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.NonPackagePrivateSubClass>(settings));165        assertThat(proxy.value()).isEqualTo("bar");166    }167    @Test168    public void is_type_mockable_excludes_String() {169        MockMaker.TypeMockability mockable = mockMaker.isTypeMockable(String.class);170        assertThat(mockable.mockable()).isFalse();171        assertThat(mockable.nonMockableReason()).contains("Cannot mock wrapper types, String.class or Class.class");172    }173    @Test174    public void is_type_mockable_excludes_Class() {175        MockMaker.TypeMockability mockable = mockMaker.isTypeMockable(Class.class);176        assertThat(mockable.mockable()).isFalse();177        assertThat(mockable.nonMockableReason()).contains("Cannot mock wrapper types, String.class or Class.class");178    }179    @Test180    public void is_type_mockable_excludes_primitive_classes() {181        MockMaker.TypeMockability mockable = mockMaker.isTypeMockable(int.class);182        assertThat(mockable.mockable()).isFalse();183        assertThat(mockable.nonMockableReason()).contains("primitive");184    }185    @Test186    public void is_type_mockable_allows_anonymous() {187        Observer anonymous = new Observer() {188            @Override189            public void update(Observable o, Object arg) {190            }191        };192        MockMaker.TypeMockability mockable = mockMaker.isTypeMockable(anonymous.getClass());193        assertThat(mockable.mockable()).isTrue();194        assertThat(mockable.nonMockableReason()).contains("");195    }196    @Test197    public void is_type_mockable_give_empty_reason_if_type_is_mockable() {198        MockMaker.TypeMockability mockable = mockMaker.isTypeMockable(AbstractByteBuddyMockMakerTest.SomeClass.class);199        assertThat(mockable.mockable()).isTrue();200        assertThat(mockable.nonMockableReason()).isEqualTo("");201    }202    @Test203    public void is_type_mockable_give_allow_final_mockable_from_JDK() {204        MockMaker.TypeMockability mockable = mockMaker.isTypeMockable(Pattern.class);205        assertThat(mockable.mockable()).isTrue();206        assertThat(mockable.nonMockableReason()).isEqualTo("");207    }208    @Test209    public void test_parameters_retention() throws Exception {210        Assume.assumeTrue(ClassFileVersion.ofThisVm().isAtLeast(ClassFileVersion.JAVA_V8));211        Class<?> typeWithParameters = new ByteBuddy().subclass(Object.class).defineMethod("foo", void.class, Visibility.PUBLIC).withParameter(String.class, "bar").intercept(StubMethod.INSTANCE).make().load(null).getLoaded();212        MockCreationSettings<?> settings = InlineByteBuddyMockMakerTest.settingsFor(typeWithParameters);213        @SuppressWarnings("unchecked")214        Object proxy = mockMaker.createMock(settings, new MockHandlerImpl(settings));215        assertThat(proxy.getClass()).isEqualTo(typeWithParameters);216        assertThat(new TypeDescription.ForLoadedType(typeWithParameters).getDeclaredMethods().filter(ElementMatchers.named("foo")).getOnly().getParameters().getOnly().getName()).isEqualTo("bar");217    }218    @Test219    public void test_clear_mock_clears_handler() {220        MockCreationSettings<InlineByteBuddyMockMakerTest.GenericSubClass> settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.GenericSubClass.class);221        InlineByteBuddyMockMakerTest.GenericSubClass proxy = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.GenericSubClass>(settings));222        assertThat(mockMaker.getHandler(proxy)).isNotNull();223        // when224        clearMock(proxy);225        // then226        assertThat(mockMaker.getHandler(proxy)).isNull();227    }228    @Test229    public void test_clear_all_mock_clears_handler() {230        MockCreationSettings<InlineByteBuddyMockMakerTest.GenericSubClass> settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.GenericSubClass.class);231        InlineByteBuddyMockMakerTest.GenericSubClass proxy1 = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.GenericSubClass>(settings));232        assertThat(mockMaker.getHandler(proxy1)).isNotNull();233        settings = InlineByteBuddyMockMakerTest.settingsFor(InlineByteBuddyMockMakerTest.GenericSubClass.class);234        InlineByteBuddyMockMakerTest.GenericSubClass proxy2 = mockMaker.createMock(settings, new MockHandlerImpl<InlineByteBuddyMockMakerTest.GenericSubClass>(settings));235        assertThat(mockMaker.getHandler(proxy1)).isNotNull();236        // when237        clearAllMocks();238        // then239        assertThat(mockMaker.getHandler(proxy1)).isNull();240        assertThat(mockMaker.getHandler(proxy2)).isNull();241    }242    @Test243    public void testMockDispatcherIsRelocated() throws Exception {244        assertThat(InlineByteBuddyMockMaker.class.getClassLoader().getResource("org/mockito/internal/creation/bytebuddy/inject/MockMethodDispatcher.raw")).isNotNull();245    }246    private static final class FinalClass {247        public String foo() {248            return "foo";249        }250    }251    private enum EnumClass {252        INSTANCE;253        public String foo() {254            return "foo";255        }256    }257    private abstract static class FinalMethodAbstractType {258        public final String foo() {259            return "foo";260        }261        public abstract String bar();262    }263    private static class FinalMethod {264        public final String foo() {265            return "foo";266        }267    }268    private interface SampleInterface {269        String bar();270    }271    /* package-private */272    abstract class PackagePrivateSuperClass {273        public abstract String indirect();274        public String value() {275            return (indirect()) + "qux";276        }277    }278    public class NonPackagePrivateSubClass extends InlineByteBuddyMockMakerTest.PackagePrivateSuperClass {279        @Override280        public String indirect() {281            return "foo";282        }283    }284    public static class GenericClass<T> {285        public T value() {286            return null;287        }288    }289    public static class GenericSubClass extends InlineByteBuddyMockMakerTest.GenericClass<String> {}290}...

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