package net.bytebuddy.implementation.bind.annotation;
import net.bytebuddy.description.method.MethodDescription;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.implementation.bind.MethodDelegationBinder;
import net.bytebuddy.implementation.bytecode.assign.Assigner;
import net.bytebuddy.test.utility.ObjectPropertyAssertion;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.*;
public class SuperCallBinderTest extends AbstractAnnotationBinderTest<SuperCall> {
@Mock
private TypeDescription targetParameterType;
@Mock
private TypeDescription.Generic genericTargetParameterType;
@Mock
private Implementation.SpecialMethodInvocation specialMethodInvocation;
@Mock
private MethodDescription.SignatureToken sourceToken;
public SuperCallBinderTest() {
super(SuperCall.class);
}
@Override
@Before
public void setUp() throws Exception {
super.setUp();
when(target.getType()).thenReturn(genericTargetParameterType);
when(genericTargetParameterType.asErasure()).thenReturn(targetParameterType);
when(source.asSignatureToken()).thenReturn(sourceToken);
when(implementationTarget.invokeSuper(sourceToken)).thenReturn(specialMethodInvocation);
}
@Override
protected TargetMethodAnnotationDrivenBinder.ParameterBinder<SuperCall> getSimpleBinder() {
return SuperCall.Binder.INSTANCE;
}
@Test
public void testValidSuperMethodCall() throws Exception {
when(targetParameterType.represents(any(Class.class))).thenReturn(true);
when(specialMethodInvocation.isValid()).thenReturn(true);
MethodDelegationBinder.ParameterBinding<?> parameterBinding = SuperCall.Binder.INSTANCE
.bind(annotationDescription, source, target, implementationTarget, assigner, Assigner.Typing.STATIC);
verify(implementationTarget).invokeSuper(sourceToken);
verifyNoMoreInteractions(implementationTarget);
assertThat(parameterBinding.isValid(), is(true));
}
@Test
public void testInvalidSuperMethodCall() throws Exception {
when(targetParameterType.represents(any(Class.class))).thenReturn(true);
when(specialMethodInvocation.isValid()).thenReturn(false);
MethodDelegationBinder.ParameterBinding<?> parameterBinding = SuperCall.Binder.INSTANCE
.bind(annotationDescription, source, target, implementationTarget, assigner, Assigner.Typing.STATIC);
verify(implementationTarget).invokeSuper(sourceToken);
verifyNoMoreInteractions(implementationTarget);
assertThat(parameterBinding.isValid(), is(false));
}
@Test
public void testInvalidSuperMethodCallNullFallback() throws Exception {
when(targetParameterType.represents(any(Class.class))).thenReturn(true);
when(specialMethodInvocation.isValid()).thenReturn(false);
when(annotation.nullIfImpossible()).thenReturn(true);
MethodDelegationBinder.ParameterBinding<?> parameterBinding = SuperCall.Binder.INSTANCE
.bind(annotationDescription, source, target, implementationTarget, assigner, Assigner.Typing.STATIC);
verify(implementationTarget).invokeSuper(sourceToken);
verifyNoMoreInteractions(implementationTarget);
assertThat(parameterBinding.isValid(), is(true));
}
@Test(expected = IllegalStateException.class)
public void testWrongTypeThrowsException() throws Exception {
SuperCall.Binder.INSTANCE.bind(annotationDescription, source, target, implementationTarget, assigner, Assigner.Typing.STATIC);
}
@Test
public void testConstructorIsNotInvokeable() throws Exception {
when(targetParameterType.represents(any(Class.class))).thenReturn(true);
when(source.isConstructor()).thenReturn(true);
MethodDelegationBinder.ParameterBinding<?> parameterBinding = SuperCall.Binder.INSTANCE
.bind(annotationDescription, source, target, implementationTarget, assigner, Assigner.Typing.STATIC);
verifyZeroInteractions(implementationTarget);
assertThat(parameterBinding.isValid(), is(false));
}
@Test
public void testConstructorNullFallback() throws Exception {
when(targetParameterType.represents(any(Class.class))).thenReturn(true);
when(source.isConstructor()).thenReturn(true);
when(annotation.nullIfImpossible()).thenReturn(true);
MethodDelegationBinder.ParameterBinding<?> parameterBinding = SuperCall.Binder.INSTANCE
.bind(annotationDescription, source, target, implementationTarget, assigner, Assigner.Typing.STATIC);
verifyZeroInteractions(implementationTarget);
assertThat(parameterBinding.isValid(), is(true));
}
@Test
public void testObjectProperties() throws Exception {
ObjectPropertyAssertion.of(SuperCall.Binder.class).apply();
}
}