1 /* 2 * Copyright (c) 2007 Mockito contributors 3 * This program is made available under the terms of the MIT License. 4 */ 5 package org.mockito.internal.util.reflection; 6 7 import org.junit.Test; 8 9 import java.lang.reflect.Field; 10 11 import static org.assertj.core.api.Assertions.assertThat; 12 import static org.mockito.internal.util.reflection.Fields.syntheticField; 13 14 public class FieldsTest { 15 16 @Test 17 public void fields_should_return_all_declared_fields_in_hierarchy() throws Exception { 18 assertThat(Fields.allDeclaredFieldsOf(new HierarchyOfClasses()).filter(syntheticField()).names()) 19 .containsOnly("a", "b", "static_a", "static_b"); 20 } 21 22 @Test 23 public void fields_should_return_declared_fields() throws Exception { 24 assertThat(Fields.declaredFieldsOf(new HierarchyOfClasses()).filter(syntheticField()).names()) 25 .containsOnly("b", "static_b"); 26 } 27 28 @Test 29 public void can_filter_not_null_fields() throws Exception { 30 assertThat(Fields.declaredFieldsOf(new NullOrNotNullFields()).notNull().filter(syntheticField()).names()) 31 .containsOnly("c"); 32 } 33 34 @Test 35 public void can_get_values_of_instance_fields() throws Exception { 36 assertThat(Fields.declaredFieldsOf(new ValuedFields()).filter(syntheticField()).assignedValues()) 37 .containsOnly("a", "b"); 38 } 39 40 41 @Test 42 public void can_get_list_of_InstanceField() throws Exception { 43 ValuedFields instance = new ValuedFields(); 44 45 assertThat(Fields.declaredFieldsOf(instance).filter(syntheticField()).instanceFields()) 46 .containsOnly(new InstanceField(field("a", instance), instance), 47 new InstanceField(field("b", instance), instance) 48 ); 49 } 50 51 private Field field(String name, Object instance) throws NoSuchFieldException { 52 return instance.getClass().getDeclaredField(name); 53 } 54 55 56 interface AnInterface { 57 int someStaticInInterface = 0; 58 59 } 60 public static class ParentClass implements AnInterface { 61 static int static_a; 62 int a; 63 64 } 65 public static class HierarchyOfClasses extends ParentClass { 66 static int static_b; 67 int b = 1; 68 69 } 70 public static class NullOrNotNullFields { 71 static Object static_b; 72 Object b; 73 Object c = new Object(); 74 } 75 76 public static class ValuedFields { 77 String a = "a"; 78 String b = "b"; 79 } 80 } 81
