/*
* Copyright 2011-2017 the original author or authors.
*
* 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 org.springframework.data.repository.query;
import static org.assertj.core.api.Assertions.*;
import java.lang.reflect.Method;
import java.util.Iterator;
import org.junit.Before;
import org.junit.Test;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
/**
* Unit tests for {@link ParametersParameterAccessor}.
*
* @author Oliver Gierke
*/
public class ParametersParameterAccessorUnitTests {
Parameters<?, ?> parameters;
@Before
public void setUp() throws Exception {
parameters = new DefaultParameters(Sample.class.getMethod("method", String.class, int.class));
}
@Test
public void accessorIteratorHasNext() throws SecurityException, NoSuchMethodException {
ParameterAccessor accessor = new ParametersParameterAccessor(parameters, new Object[] { "Foo", 2 });
Iterator<Object> iterator = accessor.iterator();
assertThat(iterator.hasNext()).isTrue();
assertThat(iterator.next()).isEqualTo("Foo");
assertThat(iterator.hasNext()).isTrue();
assertThat(iterator.next()).isEqualTo(2);
assertThat(iterator.hasNext()).isFalse();
}
@Test
public void detectsNullValue() throws Exception {
ParameterAccessor accessor = new ParametersParameterAccessor(parameters, new Object[] { null, 5 });
assertThat(accessor.hasBindableNullValue()).isTrue();
Method method = Sample.class.getMethod("method", Pageable.class, String.class);
DefaultParameters parameters = new DefaultParameters(method);
accessor = new ParametersParameterAccessor(parameters, new Object[] { null, "Foo" });
assertThat(accessor.hasBindableNullValue()).isFalse();
}
@Test // DATACMNS-804
public void iteratesonlyOverBindableValues() throws Exception {
Method method = Sample.class.getMethod("method", Pageable.class, String.class);
DefaultParameters parameters = new DefaultParameters(method);
ParametersParameterAccessor accessor = new ParametersParameterAccessor(parameters,
new Object[] { PageRequest.of(0, 10), "Foo" });
assertThat(accessor).hasSize(1);
}
interface Sample {
void method(String string, int integer);
void method(Pageable pageable, String string);
}
}