How to use collectAnnotatedFieldValues method of org.junit.runners.model.Test class

Best junit code snippet using org.junit.runners.model.Test.collectAnnotatedFieldValues

Source:TestClass.java Github

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...11 public java.lang.reflect.Constructor<?> getOnlyConstructor();12 public java.lang.annotation.Annotation[] getAnnotations();13 public <T extends java.lang.annotation.Annotation> T getAnnotation(java.lang.Class<T>);14 public <T> java.util.List<T> getAnnotatedFieldValues(java.lang.Object, java.lang.Class<? extends java.lang.annotation.Annotation>, java.lang.Class<T>);15 public <T> void collectAnnotatedFieldValues(java.lang.Object, java.lang.Class<? extends java.lang.annotation.Annotation>, java.lang.Class<T>, org.junit.runners.model.MemberValueConsumer<T>);16 public <T> java.util.List<T> getAnnotatedMethodValues(java.lang.Object, java.lang.Class<? extends java.lang.annotation.Annotation>, java.lang.Class<T>);17 public <T> void collectAnnotatedMethodValues(java.lang.Object, java.lang.Class<? extends java.lang.annotation.Annotation>, java.lang.Class<T>, org.junit.runners.model.MemberValueConsumer<T>);18 public boolean isPublic();19 public boolean isANonStaticInnerClass();20 public int hashCode();21 public boolean equals(java.lang.Object);22 static {};23}...

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Source:MemberValueConsumer.java Github

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1package org.junit.runners.model;2/**3 * Represents a receiver for values of annotated fields/methods together with the declaring member.4 *5 * @see TestClass#collectAnnotatedFieldValues(Object, Class, Class, MemberValueConsumer)6 * @see TestClass#collectAnnotatedMethodValues(Object, Class, Class, MemberValueConsumer)7 * @since 4.138 */9public interface MemberValueConsumer<T> {10 /**11 * Receives the next value and its declaring member.12 *13 * @param member declaring member ({@link FrameworkMethod or {@link FrameworkField}}14 * @param value the value of the next member15 */16 void accept(FrameworkMember member, T value);17}

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collectAnnotatedFieldValues

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1 Class<?> testClass = Class.forName("org.junit.runners.model.Test");2 Method method = testClass.getMethod("collectAnnotatedFieldValues", Object.class, Class.class, Class.class);3 Object result = method.invoke(null, this, annotation, field);4 return (List<T>) result;5 }6 private void collectAnnotatedFields(Class<? extends Annotation> annotation, List<Field> fields) {7 collectAnnotatedFields(annotation, fields, testClass);8 }9 private void collectAnnotatedFields(Class<? extends Annotation> annotation, List<Field> fields, Class<?> clazz) {10 for (Field each : clazz.getDeclaredFields()) {11 if (each.isAnnotationPresent(annotation)) {12 fields.add(each);13 }14 }15 if (clazz.getSuperclass() != null) {16 collectAnnotatedFields(annotation, fields, clazz.getSuperclass());17 }18 }19 private void validateNoDuplicateValues(List<?> values, String annotationName) {20 Set<Object> nonDuplicates = new HashSet<Object>();21 for (Object each : values) {22 if (!nonDuplicates.add(each)) {23 throw new InitializationError(String.format("class '%s' has duplicate values for %s", getTestClass().getName(), annotationName));24 }25 }26 }27 private void validateConstructor(List<Throwable> errors) throws Exception {28 validateOnlyOneConstructor(errors);29 if (errors.isEmpty()) {30 validateZeroArgConstructor(errors);31 }32 }33 private void validateOnlyOneConstructor(List<Throwable> errors) {34 if (testClass.getConstructors().length != 1) {35 String gripe = "Test class should have exactly one public constructor";36 errors.add(new Exception(gripe));37 }38 }39 private void validateZeroArgConstructor(List<Throwable> errors) throws Exception {40 Constructor<?> constructor = testClass.getConstructor();41 if (!Modifier.isPublic(constructor.getModifiers())) {42 String gripe = "Test class should have public zero-argument constructor";43 errors.add(new Exception(gripe));44 }45 }46 private void validateFields(List<Throwable> errors) {47 validatePublicVoidNoArgMethods(After.class, false, errors);48 validatePublicVoidNoArgMethods(Before.class, false, errors);49 validateTestMethods(errors);50 validateNoStaticFields(errors);51 }52 private void validateNoStaticFields(List<Throwable> errors) {53 for (Field each : testClass

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collectAnnotatedFieldValues

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1import org.junit.runner.RunWith;2import org.junit.runners.Parameterized;3import org.junit.runners.Parameterized.Parameters;4import org.junit.runners.model.TestClass;5import java.lang.reflect.Field;6import java.util.ArrayList;7import java.util.List;8@RunWith(Parameterized.class)9public class ParameterizedTest {10 private String name;11 public ParameterizedTest(String name) {12 this.name = name;13 }14 public static List<Object[]> data() {15 TestClass testClass = new TestClass(ParameterizedTest.class);16 List<Object[]> list = new ArrayList<Object[]>();17 for (Field field : testClass.getAnnotatedFields(Test.class)) {18 for (Object value : testClass.collectAnnotatedFieldValues(field)) {19 list.add(new Object[] { value });20 }21 }22 return list;23 }24}

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