/***
* 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) {
}
}
}