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How to use FieldInitializerTest class of org.mockito.internal.util.reflection package

Best Mockito code snippet using org.mockito.internal.util.reflection.FieldInitializerTest

Source:FieldInitializerTest.java

...10import org.mockito.BDDMockito;11import org.mockito.InjectMocks;12import org.mockito.Mockito;13import org.mockito.exceptions.base.MockitoException;14public class FieldInitializerTest {15    private FieldInitializerTest.StaticClass alreadyInstantiated = new FieldInitializerTest.StaticClass();16    private FieldInitializerTest.StaticClass noConstructor;17    private FieldInitializerTest.StaticClassWithDefaultConstructor defaultConstructor;18    private FieldInitializerTest.StaticClassWithPrivateDefaultConstructor privateDefaultConstructor;19    private FieldInitializerTest.StaticClassWithoutDefaultConstructor noDefaultConstructor;20    private FieldInitializerTest.StaticClassThrowingExceptionDefaultConstructor throwingExDefaultConstructor;21    private FieldInitializerTest.AbstractStaticClass abstractType;22    private FieldInitializerTest.Interface interfaceType;23    private FieldInitializerTest.InnerClassType innerClassType;24    private FieldInitializerTest.AbstractStaticClass instantiatedAbstractType = new FieldInitializerTest.ConcreteStaticClass();25    private FieldInitializerTest.Interface instantiatedInterfaceType = new FieldInitializerTest.ConcreteStaticClass();26    private FieldInitializerTest.InnerClassType instantiatedInnerClassType = new FieldInitializerTest.InnerClassType();27    @Test28    public void should_keep_same_instance_if_field_initialized() throws Exception {29        final FieldInitializerTest.StaticClass backupInstance = alreadyInstantiated;30        FieldInitializer fieldInitializer = new FieldInitializer(this, field("alreadyInstantiated"));31        FieldInitializationReport report = fieldInitializer.initialize();32        Assert.assertSame(backupInstance, report.fieldInstance());33        Assert.assertFalse(report.fieldWasInitialized());34        Assert.assertFalse(report.fieldWasInitializedUsingContructorArgs());35    }36    @Test37    public void should_instantiate_field_when_type_has_no_constructor() throws Exception {38        FieldInitializer fieldInitializer = new FieldInitializer(this, field("noConstructor"));39        FieldInitializationReport report = fieldInitializer.initialize();40        Assert.assertNotNull(report.fieldInstance());41        Assert.assertTrue(report.fieldWasInitialized());42        Assert.assertFalse(report.fieldWasInitializedUsingContructorArgs());43    }44    @Test45    public void should_instantiate_field_with_default_constructor() throws Exception {46        FieldInitializer fieldInitializer = new FieldInitializer(this, field("defaultConstructor"));47        FieldInitializationReport report = fieldInitializer.initialize();48        Assert.assertNotNull(report.fieldInstance());49        Assert.assertTrue(report.fieldWasInitialized());50        Assert.assertFalse(report.fieldWasInitializedUsingContructorArgs());51    }52    @Test53    public void should_instantiate_field_with_private_default_constructor() throws Exception {54        FieldInitializer fieldInitializer = new FieldInitializer(this, field("privateDefaultConstructor"));55        FieldInitializationReport report = fieldInitializer.initialize();56        Assert.assertNotNull(report.fieldInstance());57        Assert.assertTrue(report.fieldWasInitialized());58        Assert.assertFalse(report.fieldWasInitializedUsingContructorArgs());59    }60    @Test(expected = MockitoException.class)61    public void should_fail_to_instantiate_field_if_no_default_constructor() throws Exception {62        FieldInitializer fieldInitializer = new FieldInitializer(this, field("noDefaultConstructor"));63        fieldInitializer.initialize();64    }65    @Test66    public void should_fail_to_instantiate_field_if_default_constructor_throws_exception() throws Exception {67        FieldInitializer fieldInitializer = new FieldInitializer(this, field("throwingExDefaultConstructor"));68        try {69            fieldInitializer.initialize();70            Assert.fail();71        } catch (MockitoException e) {72            InvocationTargetException ite = ((InvocationTargetException) (e.getCause()));73            Assert.assertTrue(((ite.getTargetException()) instanceof NullPointerException));74            Assert.assertEquals("business logic failed", ite.getTargetException().getMessage());75        }76    }77    @Test(expected = MockitoException.class)78    public void should_fail_for_abstract_field() throws Exception {79        new FieldInitializer(this, field("abstractType"));80    }81    @Test82    public void should_not_fail_if_abstract_field_is_instantiated() throws Exception {83        new FieldInitializer(this, field("instantiatedAbstractType"));84    }85    @Test(expected = MockitoException.class)86    public void should_fail_for_interface_field() throws Exception {87        new FieldInitializer(this, field("interfaceType"));88    }89    @Test90    public void should_not_fail_if_interface_field_is_instantiated() throws Exception {91        new FieldInitializer(this, field("instantiatedInterfaceType"));92    }93    @Test(expected = MockitoException.class)94    public void should_fail_for_local_type_field() throws Exception {95        // when96        class LocalType {}97        class TheTestWithLocalType {98            @InjectMocks99            LocalType field;100        }101        TheTestWithLocalType testWithLocalType = new TheTestWithLocalType();102        // when103        new FieldInitializer(testWithLocalType, testWithLocalType.getClass().getDeclaredField("field"));104    }105    @Test106    public void should_not_fail_if_local_type_field_is_instantiated() throws Exception {107        // when108        class LocalType {}109        class TheTestWithLocalType {110            @InjectMocks111            LocalType field = new LocalType();112        }113        TheTestWithLocalType testWithLocalType = new TheTestWithLocalType();114        // when115        new FieldInitializer(testWithLocalType, testWithLocalType.getClass().getDeclaredField("field"));116    }117    @Test(expected = MockitoException.class)118    public void should_fail_for_inner_class_field() throws Exception {119        new FieldInitializer(this, field("innerClassType"));120    }121    @Test122    public void should_not_fail_if_inner_class_field_is_instantiated() throws Exception {123        new FieldInitializer(this, field("instantiatedInnerClassType"));124    }125    @Test126    public void can_instantiate_class_with_parameterized_constructor() throws Exception {127        FieldInitializer.ConstructorArgumentResolver resolver = BDDMockito.given(Mockito.mock(FieldInitializer.ConstructorArgumentResolver.class).resolveTypeInstances(ArgumentMatchers.any(Class.class))).willReturn(new Object[]{ null }).getMock();128        new FieldInitializer(this, field("noDefaultConstructor"), resolver).initialize();129        Assert.assertNotNull(noDefaultConstructor);130    }131    static class StaticClass {}132    static class StaticClassWithDefaultConstructor {133        StaticClassWithDefaultConstructor() {134        }135    }136    static class StaticClassWithPrivateDefaultConstructor {137        private StaticClassWithPrivateDefaultConstructor() {138        }139    }140    static class StaticClassWithoutDefaultConstructor {141        private StaticClassWithoutDefaultConstructor(String param) {142        }143    }144    static class StaticClassThrowingExceptionDefaultConstructor {145        StaticClassThrowingExceptionDefaultConstructor() throws Exception {146            throw new NullPointerException("business logic failed");147        }148    }149    abstract static class AbstractStaticClass {150        public AbstractStaticClass() {151        }152    }153    interface Interface {}154    static class ConcreteStaticClass extends FieldInitializerTest.AbstractStaticClass implements FieldInitializerTest.Interface {}155    class InnerClassType {156        InnerClassType() {157        }158    }159}...

FieldInitializerTest

Using AI Code Generation

1import org.mockito.internal.util.reflection.FieldInitializer;2import org.mockito.internal.util.reflection.FieldInitializerTest;3public class FieldInitializerTest {4    public void test() throws Exception {5        FieldInitializerTest test = new FieldInitializerTest();6        test.testFinalFieldInitialization();7    }8}9import org.mockito.internal.util.reflection.FieldInitializer;10public class FieldInitializerTest {11    public void test() throws Exception {12        FieldInitializer fieldInitializer = new FieldInitializer();13        fieldInitializer.initializeFields(new Object());14    }15}

FieldInitializerTest

Using AI Code Generation

1public class FieldInitializerTest {2    public void shouldInitializeFieldToNull() throws Exception {3        Field field = FieldInitializerTest.class.getDeclaredField("field");4        Object target = new FieldInitializerTest();5        FieldInitializer.initialize(field, target);6        assertNull(field.get(target));7    }8}9org.mockito.internal.util.reflection.FieldInitializerTest > shouldInitializeFieldToNull() PASSED

FieldInitializerTest

Using AI Code Generation

1public class FieldInitializerTest {  2private static class A {  3private A() {}  4public A(String s) {}  5}  6private static class B {  7private A a;  8}  9private static class C {  10private String s;  11private int i;  12private A a;  13private B b;  14}  15private static class D {  16private String s;  17private int i;  18private A a;  19private B b;  20private C c;  21}  22private static class E {  23private String s;  24private int i;  25private A a;  26private B b;  27private C c;  28private D d;  29}  30private static class F {  31private String s;  32private int i;  33private A a;  34private B b;  35private C c;  36private D d;  37private E e;  38}  39private static class G {  40private String s;  41private int i;  42private A a;  43private B b;  44private C c;  45private D d;  46private E e;  47private F f;  48}  49private static class H {  50private String s;  51private int i;  52private A a;  53private B b;  54private C c;  55private D d;  56private E e;  57private F f;  58private G g;  59}  60private static class I {  61private String s;  62private int i;  63private A a;  64private B b;  65private C c;  66private D d;  67private E e;  68private F f;  69private G g;  70private H h;  71}  72private static class J {  73private String s;  74private int i;  75private A a;  76private B b;  77private C c;  78private D d;  79private E e;  80private F f;  81private G g;  82private H h;  83private I i;  84}  85private static class K {  86private String s;  87private int i;  88private A a;  89private B b;  90private C c;  91private D d;  92private E e;  93private F f;  94private G g;  95private H h;  96private I i;  97private J j;  98}  99private static class L {  100private String s;  101private int i;  102private A a;  103private B b;

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