/*** * Copyright (c) 2009 Caelum - www.caelum.com.br/opensource * All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package br.com.caelum.vraptor.http; import static org.hamcrest.MatcherAssert.assertThat; import static org.hamcrest.Matchers.equalTo; import static org.hamcrest.Matchers.is; import static org.hamcrest.Matchers.not; import java.util.List; import javax.inject.Named; import org.junit.Before; import org.junit.Test; public class ParanamerNameProviderTest { private ParanamerNameProvider provider; @Before public void setup() { this.provider = new ParanamerNameProvider(); } @Test public void shouldNameObjectTypeAsItsSimpleName() throws SecurityException, NoSuchMethodException { assertThat(provider.parameterNamesFor(Horse.class.getMethod("runThrough", Field.class))[0], is(equalTo("f"))); } @Test public void shouldNamePrimitiveTypeAsItsSimpleName() throws SecurityException, NoSuchMethodException { assertThat(provider.parameterNamesFor(Horse.class.getMethod("rest", int.class))[0], is(equalTo("hours"))); } @Test public void shouldNameArrayAsItsSimpleTypeName() throws SecurityException, NoSuchMethodException { assertThat(provider.parameterNamesFor(Horse.class.getMethod("setLeg", int[].class))[0], is(equalTo("length"))); } @Test public void shouldNameGenericCollectionUsingOf() throws SecurityException, NoSuchMethodException { assertThat(provider.parameterNamesFor(Cat.class.getDeclaredMethod("fightWith", List.class))[0], is(equalTo("cats"))); } @Test public void shouldIgnoreChangesToTheReturnedArrayInSubsequentCalls() throws Exception { String[] resultOfFirstCall = provider.parameterNamesFor(Horse.class.getMethod("setLeg", int[].class)); assertThat(resultOfFirstCall[0], is(equalTo("length"))); resultOfFirstCall[0] = "ASDF"; String[] resultOfSecondCall = provider.parameterNamesFor(Horse.class.getMethod("setLeg", int[].class)); assertThat(resultOfSecondCall[0], is(equalTo("length"))); } @Test public void shouldNameFieldsAnnotatedWithNamed() throws SecurityException, NoSuchMethodException { assertThat(provider.parameterNamesFor(Horse.class.getMethod("runThroughWithAnnotation", Field.class))[0], is(equalTo("one"))); } @Test public void shouldNotNameFieldsByTheFieldNameWhenUsingAnnotation() throws SecurityException, NoSuchMethodException { assertThat(provider.parameterNamesFor(Horse.class.getMethod("runThroughWithAnnotation", Field.class))[0], is(not(equalTo("field")))); } @Test public void shouldNameMethodsFieldsWhenAnnotatedOrNot() throws SecurityException, NoSuchMethodException { assertThat(provider.parameterNamesFor(Horse.class.getMethod("runThroughWithAnnotation2", Field.class, Field.class))[0], is(equalTo("one"))); assertThat(provider.parameterNamesFor(Horse.class.getMethod("runThroughWithAnnotation2", Field.class, Field.class))[1], is(equalTo("two"))); } @Test public void shouldNameMethodsFieldsWhenAnnotatedOrNot2() throws SecurityException, NoSuchMethodException { assertThat(provider.parameterNamesFor(Horse.class.getMethod("runThroughWithAnnotation3", Field.class, Field.class))[0], is(equalTo("one"))); assertThat(provider.parameterNamesFor(Horse.class.getMethod("runThroughWithAnnotation3", Field.class, Field.class))[1], is(equalTo("size"))); } static class Field { } public static class Horse { public void runThrough(Field f) { } public void rest(int hours) { } public void setLeg(int[] length) { } public void runThroughWithAnnotation(@Named(value="one") Field field) { } public void runThroughWithAnnotation2(@Named(value="one") Field f, Field two) { } public void runThroughWithAnnotation3(Field one, @Named(value="size") Field two) { } } public static class Cat { void fightWith(List<String> cats) { } } }