/*
* Copyright 2014 mango.jfaster.org
*
* The Mango Project licenses this file to you 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 org.jfaster.mango.invoker.function;
import com.google.common.collect.Lists;
import org.jfaster.mango.annotation.Getter;
import org.jfaster.mango.invoker.FunctionalGetterInvoker;
import org.jfaster.mango.invoker.GetterInvoker;
import org.junit.Test;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.MatcherAssert.assertThat;
/**
* @author ash
*/
public class LongListToStringFunctionTest {
@Test
public void testApply() throws Exception {
A a = new A();
Method m = A.class.getDeclaredMethod("getX");
GetterInvoker invoker = FunctionalGetterInvoker.create("x", m);
a.setX(Lists.newArrayList(1000000000000000L, 2l, 3L));
assertThat((String) invoker.invoke(a), is("1000000000000000,2,3"));
a.setX(null);
assertThat(invoker.invoke(a), nullValue());
a.setX(new ArrayList<Long>());
assertThat((String) invoker.invoke(a), is(""));
}
static class A {
private List<Long> x;
@Getter(LongListToStringFunction.class)
List<Long> getX() {
return x;
}
void setX(List<Long> x) {
this.x = x;
}
}
}