/*
* Copyright 2015-2017 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.rest.webmvc.config;
import static org.assertj.core.api.Assertions.*;
import static org.mockito.ArgumentMatchers.*;
import static org.mockito.Mockito.*;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.core.MethodParameter;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.rest.webmvc.support.PagingAndSortingTemplateVariables;
import org.springframework.data.web.HateoasPageableHandlerMethodArgumentResolver;
import org.springframework.data.web.HateoasSortHandlerMethodArgumentResolver;
import org.springframework.hateoas.mvc.UriComponentsContributor;
import org.springframework.web.util.UriComponentsBuilder;
/**
* Unit tests for {@link ArgumentResolverPagingAndSortingTemplateVariables}.
*
* @author Oliver Gierke
*/
@RunWith(MockitoJUnitRunner.class)
public class ArgumentResolverPagingAndSortingTemplateVariablesUnitTests {
@Mock HateoasPageableHandlerMethodArgumentResolver pageableResolver;
@Mock HateoasSortHandlerMethodArgumentResolver sortResolver;
@Mock UriComponentsBuilder builder;
@Test(expected = IllegalArgumentException.class) // DATAREST-467
public void rejectsNullArgumentResolverForPageable() {
new ArgumentResolverPagingAndSortingTemplateVariables(null, sortResolver);
}
@Test(expected = IllegalArgumentException.class) // DATAREST-467
public void rejectsNullArgumentResolverForSort() {
new ArgumentResolverPagingAndSortingTemplateVariables(pageableResolver, null);
}
@Test // DATAREST-467
public void supportsPageableAndSortMethodParameters() {
PagingAndSortingTemplateVariables variables = new ArgumentResolverPagingAndSortingTemplateVariables(
pageableResolver, sortResolver);
assertThat(variables.supportsParameter(getParameterMock(Pageable.class))).isTrue();
assertThat(variables.supportsParameter(getParameterMock(Sort.class))).isTrue();
assertThat(variables.supportsParameter(getParameterMock(Object.class))).isFalse();
}
@Test // DATAREST-467
public void forwardsEnhanceRequestForPageable() {
assertForwardsEnhanceFor(PageRequest.of(0, 10), pageableResolver, sortResolver);
}
@Test // DATAREST-467
public void forwardsEnhanceRequestForSort() {
assertForwardsEnhanceFor(Sort.by("property"), sortResolver, pageableResolver);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
private static MethodParameter getParameterMock(Class<?> type) {
MethodParameter parameter = mock(MethodParameter.class);
when(parameter.getParameterType()).thenReturn((Class) type);
return parameter;
}
private void assertForwardsEnhanceFor(Object value, UriComponentsContributor expected,
UriComponentsContributor unexpected) {
PagingAndSortingTemplateVariables variables = new ArgumentResolverPagingAndSortingTemplateVariables(
pageableResolver, sortResolver);
variables.enhance(builder, null, value);
verify(expected, times(1)).enhance(builder, null, value);
verify(unexpected, times(0)).enhance(Mockito.any(UriComponentsBuilder.class), Mockito.any(MethodParameter.class),
any());
}
}