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/*
* SonarQube
* Copyright (C) 2009-2017 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.api.utils;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import org.junit.Test;
import javax.annotation.Nullable;
import java.lang.reflect.Field;
import java.util.List;
import static com.google.common.collect.Lists.newArrayList;
import static org.assertj.core.api.Assertions.assertThat;
public class FieldUtils2Test {
@Test
public void shouldGetFieldsOfSingleClass() {
List<String> fields = fieldsName(FieldUtils2.getFields(FieldsWithDifferentModifiers.class, true));
assertThat(fields).contains("publicField");
assertThat(fields).contains("protectedField");
assertThat(fields).contains("packageField");
assertThat(fields).contains("privateField");
assertThat(fields).contains("publicStaticField");
assertThat(fields).contains("protectedStaticField");
assertThat(fields).contains("packageStaticField");
assertThat(fields).contains("privateStaticField");
}
@Test
public void shouldGetFieldsOfClassHierarchy() {
List<String> fields = fieldsName(FieldUtils2.getFields(Child.class, true));
assertThat(fields).contains("publicField");
assertThat(fields).contains("protectedField");
assertThat(fields).contains("packageField");
assertThat(fields).contains("privateField");
assertThat(fields).contains("publicStaticField");
assertThat(fields).contains("protectedStaticField");
assertThat(fields).contains("packageStaticField");
assertThat(fields).contains("privateStaticField");
assertThat(fields).contains("childPrivateField");
}
@Test
public void shouldGetOnlyAccessibleFields() {
List<String> fields = fieldsName(FieldUtils2.getFields(Child.class, false));
assertThat(fields).contains("publicField");
assertThat(fields).contains("publicStaticField");
}
@Test
public void shouldGetFieldsOfInterface() {
List<String> fields = fieldsName(FieldUtils2.getFields(InterfaceWithFields.class, true));
assertThat(fields).contains("INTERFACE_FIELD");
}
@Test
public void shouldGetFieldsOfInterfaceImplementation() {
List<String> fields = fieldsName(FieldUtils2.getFields(InterfaceImplementation.class, true));
assertThat(fields).contains("INTERFACE_FIELD");
}
private static List<String> fieldsName(List<Field> fields){
return newArrayList(Iterables.transform(fields, new Function<Field, String>() {
@Override
public String apply(@Nullable Field input) {
return input != null ? input.getName() : null;
}
}));
}
static interface InterfaceWithFields {
String INTERFACE_FIELD = "foo";
}
static class InterfaceImplementation implements InterfaceWithFields {
}
static class FieldsWithDifferentModifiers {
public String publicField;
protected String protectedField;
String packageField;
private String privateField;
public static String publicStaticField;
protected static String protectedStaticField;
static String packageStaticField;
private static String privateStaticField;
}
static class Child extends FieldsWithDifferentModifiers {
private String childPrivateField;
}
}
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