Java Code Examples for com.sun.codemodel.JDefinedClass#field()

/**
 * method that add the fieldname as private and adds a class to jc
 */
private void addPropertyAndObjectAsPrivateField(JDefinedClass jc, Property property) {
    String modelClassName = JavaCodeModel.getMultifieldInterfaceName(property);

    // Create the multifield item
    if (!property.getUseExistingModel()) {
        buildImplementation(property.getItems(), modelClassName);
    }

    String fieldType = JavaCodeModel.getFieldType(property);
    JClass narrowedClass = codeModel.ref(generationConfig.getProjectSettings().getModelInterfacePackage() + "." + modelClassName);
    JClass fieldClass = codeModel.ref(fieldType).narrow(narrowedClass);
    JFieldVar jFieldVar = jc.field(PRIVATE, fieldClass, property.getField());
    jFieldVar.annotate(codeModel.ref(ChildResourceFromRequest.class))
            .param(INJECTION_STRATEGY,
                    codeModel.ref(InjectionStrategy.class).staticRef(OPTIONAL_INJECTION_STRATEGY));

    setupFieldGetterAnnotations(jFieldVar, property);
}
 

private void createReportingValueClass(JCodeModel codeModel, Class<? extends Value<?>> valueClazz, JPrimitiveType type) throws JClassAlreadyExistsException {
	JClass reportClazz = codeModel.ref(Report.class);

	JDefinedClass reportingValueClazz = codeModel._class(JMod.PUBLIC, asReportingClass(valueClazz), ClassType.CLASS);
	reportingValueClazz._extends(codeModel.ref(valueClazz));
	reportingValueClazz._implements(codeModel.ref(HasReport.class));

	JFieldVar reportField = reportingValueClazz.field(JMod.PRIVATE, reportClazz, "report", JExpr._null());

	createCopyMethod(reportingValueClazz);
	createOperationMethods(reportingValueClazz, valueClazz, type);
	createReportMethod(reportingValueClazz);
	createExpressionMethods(reportingValueClazz);
	createAccessorMethods(reportingValueClazz, reportField);
	createFormatMethod(reportingValueClazz, type);
}
 

private void renderConstantsClass(JDefinedClass classModel) throws Exception {
	
	// define constants class
	JDefinedClass constantsClass = classModel._class(JMod.STATIC, Util.CONSTANTS_CLASS_NAME);
	
	// generate the javadoc on the top of the Constants class
	JDocComment javadoc = constantsClass.javadoc();
	javadoc.append(Util.CONSTANTS_CLASS_JAVADOC);
	
	// render root element name
	JFieldVar rootElementField = constantsClass.field(JMod.FINAL | JMod.STATIC, String.class, Util.ROOT_ELEMENT_NAME_FIELD);
	rootElementField.init(JExpr.lit(Util.toLowerCaseFirstLetter(classModel.name())));
	
	// render type name
	JFieldVar typeNameField = constantsClass.field(JMod.FINAL | JMod.STATIC, String.class, Util.TYPE_NAME_FIELD);
	typeNameField.init(JExpr.lit(classModel.name() + Util.TYPE_NAME_SUFFIX));
          
}
 

private void renderElementsClass(JDefinedClass classModel, List<FieldModel> fields) throws Exception {
	
	// define constants class
	JDefinedClass elementsClass = classModel._class(JMod.STATIC, Util.ELEMENTS_CLASS_NAME);
	
	// generate the javadoc on the top of the Elements class
	JDocComment javadoc = elementsClass.javadoc();
	javadoc.append(Util.ELEMENTS_CLASS_JAVADOC);
	
	// go through each field and create a corresponding constant
	for (FieldModel fieldModel : fields) {
		if (Util.isCommonElement(fieldModel.fieldName)) {
			continue;
		}
		JFieldVar elementFieldVar = elementsClass.field(JMod.FINAL | JMod.STATIC, String.class, Util.toConstantsVariable(fieldModel.fieldName));
		elementFieldVar.init(JExpr.lit(fieldModel.fieldName));
	}
}
 

@Test
public void testClassWithMultiplePersistenceContextFields() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JAnnotationUse jAnnotationUse = jClass.annotate(RunWith.class);
    jAnnotationUse.param("value", JpaUnitRunner.class);
    final JFieldVar em1Field = jClass.field(JMod.PRIVATE, EntityManager.class, "em1");
    em1Field.annotate(PersistenceContext.class);
    final JFieldVar em2Field = jClass.field(JMod.PRIVATE, EntityManager.class, "em2");
    em2Field.annotate(PersistenceContext.class);
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());

    final RunListener listener = mock(RunListener.class);
    final RunNotifier notifier = new RunNotifier();
    notifier.addListener(listener);

    final JpaUnitRunner runner = new JpaUnitRunner(cut);

    // WHEN
    runner.run(notifier);

    // THEN
    final ArgumentCaptor<Failure> failureCaptor = ArgumentCaptor.forClass(Failure.class);
    verify(listener).testFailure(failureCaptor.capture());

    final Failure failure = failureCaptor.getValue();
    assertThat(failure.getException().getClass(), equalTo(IllegalArgumentException.class));
    assertThat(failure.getException().getMessage(), containsString("Only single field is allowed"));
}
 

@Test
public void testClassWithPersistenceUnitWithKonfiguredUnitNameSpecified() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JFieldVar ruleField = jClass.field(JMod.PUBLIC, JpaUnitRule.class, "rule");
    ruleField.annotate(Rule.class);
    final JInvocation instance = JExpr._new(jCodeModel.ref(JpaUnitRule.class)).arg(JExpr.direct("getClass()"));
    ruleField.init(instance);
    final JFieldVar emField = jClass.field(JMod.PRIVATE, EntityManagerFactory.class, "emf");
    final JAnnotationUse jAnnotation = emField.annotate(PersistenceUnit.class);
    jAnnotation.param("unitName", "test-unit-1");
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());
    final BlockJUnit4ClassRunner runner = new BlockJUnit4ClassRunner(cut);

    final RunListener listener = mock(RunListener.class);
    final RunNotifier notifier = new RunNotifier();
    notifier.addListener(listener);

    // WHEN
    runner.run(notifier);

    // THEN
    final ArgumentCaptor<Description> descriptionCaptor = ArgumentCaptor.forClass(Description.class);
    verify(listener).testStarted(descriptionCaptor.capture());
    assertThat(descriptionCaptor.getValue().getClassName(), equalTo("ClassUnderTest"));
    assertThat(descriptionCaptor.getValue().getMethodName(), equalTo("testMethod"));

    verify(listener).testFinished(descriptionCaptor.capture());
    assertThat(descriptionCaptor.getValue().getClassName(), equalTo("ClassUnderTest"));
    assertThat(descriptionCaptor.getValue().getMethodName(), equalTo("testMethod"));
}
 

@Test
public void testClassWithPersistenceContextFieldOfWrongType() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JAnnotationUse jAnnotationUse = jClass.annotate(RunWith.class);
    jAnnotationUse.param("value", JpaUnitRunner.class);
    final JFieldVar emField = jClass.field(JMod.PRIVATE, EntityManagerFactory.class, "em");
    emField.annotate(PersistenceContext.class);
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());

    final RunListener listener = mock(RunListener.class);
    final RunNotifier notifier = new RunNotifier();
    notifier.addListener(listener);

    final JpaUnitRunner runner = new JpaUnitRunner(cut);

    // WHEN
    runner.run(notifier);

    // THEN
    final ArgumentCaptor<Failure> failureCaptor = ArgumentCaptor.forClass(Failure.class);
    verify(listener).testFailure(failureCaptor.capture());

    final Failure failure = failureCaptor.getValue();
    assertThat(failure.getException().getClass(), equalTo(IllegalArgumentException.class));
    assertThat(failure.getException().getMessage(), containsString("annotated with @PersistenceContext is not of type EntityManager"));
}
 

@Test
public void testClassWithPersistenceContextWithKonfiguredUnitNameSpecified() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JAnnotationUse jAnnotationUse = jClass.annotate(RunWith.class);
    jAnnotationUse.param("value", JpaUnitRunner.class);
    final JFieldVar emField = jClass.field(JMod.PRIVATE, EntityManager.class, "em");
    final JAnnotationUse jAnnotation = emField.annotate(PersistenceContext.class);
    jAnnotation.param("unitName", "test-unit-1");
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());
    final JpaUnitRunner runner = new JpaUnitRunner(cut);

    final RunListener listener = mock(RunListener.class);
    final RunNotifier notifier = new RunNotifier();
    notifier.addListener(listener);

    // WHEN
    runner.run(notifier);

    // THEN
    final ArgumentCaptor<Description> descriptionCaptor = ArgumentCaptor.forClass(Description.class);
    verify(listener).testStarted(descriptionCaptor.capture());
    assertThat(descriptionCaptor.getValue().getClassName(), equalTo("ClassUnderTest"));
    assertThat(descriptionCaptor.getValue().getMethodName(), equalTo("testMethod"));

    verify(listener).testFinished(descriptionCaptor.capture());
    assertThat(descriptionCaptor.getValue().getClassName(), equalTo("ClassUnderTest"));
    assertThat(descriptionCaptor.getValue().getMethodName(), equalTo("testMethod"));
}
 

@Test
public void testClassWithPersistenceContextWithoutUnitNameSpecified() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JFieldVar ruleField = jClass.field(JMod.PUBLIC, JpaUnitRule.class, "rule");
    ruleField.annotate(Rule.class);
    final JInvocation instance = JExpr._new(jCodeModel.ref(JpaUnitRule.class)).arg(JExpr.direct("getClass()"));
    ruleField.init(instance);
    final JFieldVar emField = jClass.field(JMod.PRIVATE, EntityManager.class, "em");
    emField.annotate(PersistenceContext.class);
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());

    try {
        // WHEN
        new JpaUnitRule(cut);
        fail("JpaUnitException expected");
    } catch (final JpaUnitException e) {

        // THEN
        assertThat(e.getMessage(), containsString("No Persistence"));
    }
}
 

@Test
public void testClassWithPersistenceUnitFieldOfWrongType() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JAnnotationUse jAnnotationUse = jClass.annotate(RunWith.class);
    jAnnotationUse.param("value", JpaUnitRunner.class);
    final JFieldVar emField = jClass.field(JMod.PRIVATE, EntityManager.class, "emf");
    emField.annotate(PersistenceUnit.class);
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());

    final RunListener listener = mock(RunListener.class);
    final RunNotifier notifier = new RunNotifier();
    notifier.addListener(listener);

    final JpaUnitRunner runner = new JpaUnitRunner(cut);

    // WHEN
    runner.run(notifier);

    // THEN
    final ArgumentCaptor<Failure> failureCaptor = ArgumentCaptor.forClass(Failure.class);
    verify(listener).testFailure(failureCaptor.capture());

    final Failure failure = failureCaptor.getValue();
    assertThat(failure.getException().getClass(), equalTo(IllegalArgumentException.class));
    assertThat(failure.getException().getMessage(),
            containsString("annotated with @PersistenceUnit is not of type EntityManagerFactory"));
}
 

@Test
public void testClassWithPersistenceContextFieldOfWrongType() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JFieldVar ruleField = jClass.field(JMod.PUBLIC, JpaUnitRule.class, "rule");
    ruleField.annotate(Rule.class);
    final JInvocation instance = JExpr._new(jCodeModel.ref(JpaUnitRule.class)).arg(JExpr.direct("getClass()"));
    ruleField.init(instance);
    final JFieldVar emField = jClass.field(JMod.PRIVATE, EntityManagerFactory.class, "em");
    emField.annotate(PersistenceContext.class);
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());

    try {
        // WHEN
        new JpaUnitRule(cut);
        fail("IllegalArgumentException expected");
    } catch (final IllegalArgumentException e) {

        // THEN
        assertThat(e.getMessage(), containsString("annotated with @PersistenceContext is not of type EntityManager"));
    }
}
 

@Test
public void testClassWithPersistenceContextAndPersistenceUnitFields() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JFieldVar ruleField = jClass.field(JMod.PUBLIC, JpaUnitRule.class, "rule");
    ruleField.annotate(Rule.class);
    final JInvocation instance = JExpr._new(jCodeModel.ref(JpaUnitRule.class)).arg(JExpr.direct("getClass()"));
    ruleField.init(instance);
    final JFieldVar emf1Field = jClass.field(JMod.PRIVATE, EntityManager.class, "em");
    emf1Field.annotate(PersistenceContext.class);
    final JFieldVar emf2Field = jClass.field(JMod.PRIVATE, EntityManagerFactory.class, "emf");
    emf2Field.annotate(PersistenceUnit.class);
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());

    try {
        // WHEN
        new JpaUnitRule(cut);
        fail("IllegalArgumentException expected");
    } catch (final IllegalArgumentException e) {

        // THEN
        assertThat(e.getMessage(), containsString("either @PersistenceUnit or @PersistenceContext"));
    }
}
 

private JFieldVar addQuickLookupMap(JDefinedClass _enum, JType backingType) {

        JClass lookupType = _enum.owner().ref(Map.class).narrow(backingType.boxify(), _enum);
        JFieldVar lookupMap = _enum.field(JMod.PRIVATE | JMod.STATIC | JMod.FINAL, lookupType, "CONSTANTS");

        JClass lookupImplType = _enum.owner().ref(HashMap.class).narrow(backingType.boxify(), _enum);
        lookupMap.init(JExpr._new(lookupImplType));

        JForEach forEach = _enum.init().forEach(_enum, "c", JExpr.invoke("values"));
        JInvocation put = forEach.body().invoke(lookupMap, "put");
        put.arg(forEach.var().ref("value"));
        put.arg(forEach.var());

        return lookupMap;
    }
 

@Test
public void testClassWithMultiplePersistenceContextFields() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JFieldVar ruleField = jClass.field(JMod.PUBLIC, JpaUnitRule.class, "rule");
    ruleField.annotate(Rule.class);
    final JInvocation instance = JExpr._new(jCodeModel.ref(JpaUnitRule.class)).arg(JExpr.direct("getClass()"));
    ruleField.init(instance);
    final JFieldVar em1Field = jClass.field(JMod.PRIVATE, EntityManager.class, "em1");
    em1Field.annotate(PersistenceContext.class);
    final JFieldVar em2Field = jClass.field(JMod.PRIVATE, EntityManager.class, "em2");
    em2Field.annotate(PersistenceContext.class);
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());

    try {
        // WHEN
        new JpaUnitRule(cut);
        fail("IllegalArgumentException expected");
    } catch (final IllegalArgumentException e) {

        // THEN
        assertThat(e.getMessage(), containsString("Only single field is allowed"));
    }
}
 

private void createReportingVectorClass(JCodeModel codeModel, Class<? extends Vector<?>> vectorClazz, JPrimitiveType type) throws JClassAlreadyExistsException {
	JDefinedClass reportingVectorClazz = codeModel._class(JMod.ABSTRACT | JMod.PUBLIC, asReportingClass(vectorClazz), ClassType.CLASS);
	reportingVectorClazz._extends(codeModel.ref(vectorClazz));

	JFieldVar expressionField = reportingVectorClazz.field(JMod.PRIVATE, String.class, "expression", JExpr.lit(""));

	createNewReportMethod(reportingVectorClazz);
	createOperationMethods(reportingVectorClazz, vectorClazz, type);
	createValueMethods(reportingVectorClazz, type);
	createReportMethod(reportingVectorClazz);
	createAccessorMethods(reportingVectorClazz, expressionField);
}
 

@Test
public void testGetNamesOfIdPropertiesFromAClassHierarchyHavingAFieldAnnotatedWithEmbeddedId() throws Exception {
    // GIVEN
    final String simpleClassNameBase = "EntityClass";
    final String simpleClassNameB = "SubEntityClass";
    final String compositeIdPropertyName = "compositeKey";
    final String id1PropertyName = "key1";
    final String id2PropertyName = "key2";

    final JPackage jp = jCodeModel.rootPackage();

    final JDefinedClass jIdTypeClass = jp._class(JMod.PUBLIC, "IdType");
    jIdTypeClass.annotate(Embeddable.class);
    jIdTypeClass.field(JMod.PRIVATE, Integer.class, id1PropertyName);
    jIdTypeClass.field(JMod.PRIVATE, String.class, id2PropertyName);

    final JDefinedClass jBaseClass = jp._class(JMod.PUBLIC, simpleClassNameBase);
    jBaseClass.annotate(Entity.class);
    jBaseClass.annotate(Inheritance.class).param("strategy", InheritanceType.TABLE_PER_CLASS);
    jBaseClass.field(JMod.PRIVATE, jIdTypeClass, compositeIdPropertyName).annotate(EmbeddedId.class);

    final JDefinedClass jSubclass = jp._class(JMod.PUBLIC, simpleClassNameB)._extends(jBaseClass);
    jSubclass.annotate(Entity.class);

    buildModel(testFolder.getRoot(), jCodeModel);

    compileModel(testFolder.getRoot());

    final Class<?> entityClass = loadClass(testFolder.getRoot(), jSubclass.name());

    // WHEN
    final List<String> namesOfIdProperties = EntityUtils.getNamesOfIdProperties(entityClass);

    // THEN
    assertThat(namesOfIdProperties.size(), equalTo(2));
    assertThat(namesOfIdProperties,
            hasItems(compositeIdPropertyName + "." + id1PropertyName, compositeIdPropertyName + "." + id2PropertyName));
}
 

@Test
public void testGetNamesOfIdPropertiesFromASingleClassHavingAMethodAnnotatedWithEmbeddedId() throws Exception {
    // GIVEN
    final String simpleClassName = "EntityClass";
    final String compositeIdPropertyName = "compositeKey";
    final String id1PropertyName = "key1";
    final String id2PropertyName = "key2";

    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jIdTypeClass = jp._class(JMod.PUBLIC, "IdType");
    jIdTypeClass.annotate(Embeddable.class);
    jIdTypeClass.field(JMod.PRIVATE, Integer.class, id1PropertyName);
    jIdTypeClass.field(JMod.PRIVATE, String.class, id2PropertyName);

    final JDefinedClass jClass = jp._class(JMod.PUBLIC, simpleClassName);
    jClass.annotate(Entity.class);
    final JMethod method = jClass.method(JMod.PUBLIC, jIdTypeClass, "getCompositeKey");
    method.annotate(EmbeddedId.class);
    method.body()._return(JExpr._null());

    buildModel(testFolder.getRoot(), jCodeModel);

    compileModel(testFolder.getRoot());

    final Class<?> entityClass = loadClass(testFolder.getRoot(), jClass.name());

    // WHEN
    final List<String> namesOfIdProperties = EntityUtils.getNamesOfIdProperties(entityClass);

    // THEN
    assertThat(namesOfIdProperties.size(), equalTo(2));
    assertThat(namesOfIdProperties,
            hasItems(compositeIdPropertyName + "." + id1PropertyName, compositeIdPropertyName + "." + id2PropertyName));
}
 

private void renderFutureElementsField(JDefinedClass classModel) throws Exception {
	JType collectionType = codeModel.parseType("java.util.Collection<org.w3c.dom.Element>");
	JFieldVar field = classModel.field(JMod.PRIVATE | JMod.FINAL, collectionType, "_futureElements");
	field.init(JExpr._null());
	JAnnotationUse annotation = field.annotate(SuppressWarnings.class);
	annotation.param("value", "unused");
	field.annotate(XmlAnyElement.class);
}
 

@Test
public void testClassWithPersistenceContextWithoutUnitNameSpecified() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JAnnotationUse jAnnotationUse = jClass.annotate(RunWith.class);
    jAnnotationUse.param("value", JpaUnitRunner.class);
    final JFieldVar emField = jClass.field(JMod.PRIVATE, EntityManager.class, "em");
    emField.annotate(PersistenceContext.class);
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());

    final RunListener listener = mock(RunListener.class);
    final RunNotifier notifier = new RunNotifier();
    notifier.addListener(listener);

    final JpaUnitRunner runner = new JpaUnitRunner(cut);

    // WHEN
    runner.run(notifier);

    // THEN
    final ArgumentCaptor<Failure> failureCaptor = ArgumentCaptor.forClass(Failure.class);
    verify(listener).testFailure(failureCaptor.capture());

    final Failure failure = failureCaptor.getValue();
    assertThat(failure.getException().getClass(), equalTo(JpaUnitException.class));
    assertThat(failure.getException().getMessage(), containsString("No Persistence"));
}
 

@Test
public void testClassWithPersistenceContextWithWithOverwrittenConfiguration() throws Exception {
    // GIVEN
    final JCodeModel jCodeModel = new JCodeModel();
    final JPackage jp = jCodeModel.rootPackage();
    final JDefinedClass jClass = jp._class(JMod.PUBLIC, "ClassUnderTest");
    final JAnnotationUse jAnnotationUse = jClass.annotate(RunWith.class);
    jAnnotationUse.param("value", JpaUnitRunner.class);
    final JFieldVar emField = jClass.field(JMod.PRIVATE, EntityManager.class, "em");
    final JAnnotationUse jAnnotation = emField.annotate(PersistenceContext.class);
    jAnnotation.param("unitName", "test-unit-1");
    final JAnnotationArrayMember propArray = jAnnotation.paramArray("properties");
    propArray.annotate(PersistenceProperty.class).param("name", "javax.persistence.jdbc.url").param("value",
            "jdbc:h2:mem:test;DB_CLOSE_DELAY=-1");
    propArray.annotate(PersistenceProperty.class).param("name", "javax.persistence.jdbc.driver").param("value", "org.h2.Driver");
    propArray.annotate(PersistenceProperty.class).param("name", "javax.persistence.jdbc.password").param("value", "test");
    propArray.annotate(PersistenceProperty.class).param("name", "javax.persistence.jdbc.user").param("value", "test");
    final JMethod jMethod = jClass.method(JMod.PUBLIC, jCodeModel.VOID, "testMethod");
    jMethod.annotate(Test.class);

    buildModel(testFolder.getRoot(), jCodeModel);
    compileModel(testFolder.getRoot());

    final Class<?> cut = loadClass(testFolder.getRoot(), jClass.name());
    final JpaUnitRunner runner = new JpaUnitRunner(cut);

    final RunListener listener = mock(RunListener.class);
    final RunNotifier notifier = new RunNotifier();
    notifier.addListener(listener);

    // WHEN
    runner.run(notifier);

    // THEN
    final ArgumentCaptor<Description> descriptionCaptor = ArgumentCaptor.forClass(Description.class);
    verify(listener).testStarted(descriptionCaptor.capture());
    assertThat(descriptionCaptor.getValue().getClassName(), equalTo("ClassUnderTest"));
    assertThat(descriptionCaptor.getValue().getMethodName(), equalTo("testMethod"));

    verify(listener).testFinished(descriptionCaptor.capture());
    assertThat(descriptionCaptor.getValue().getClassName(), equalTo("ClassUnderTest"));
    assertThat(descriptionCaptor.getValue().getMethodName(), equalTo("testMethod"));
}