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HateoasSortHandlerMethodArgumentResolverUnitTests.java
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HateoasSortHandlerMethodArgumentResolverUnitTests.java
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/*
* Copyright 2013 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.web;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.springframework.data.domain.Sort.Direction.*;
import java.net.URI;
import org.junit.Test;
import org.springframework.core.MethodParameter;
import org.springframework.data.domain.Sort;
import org.springframework.web.util.UriComponentsBuilder;
/**
* Unit tests for {@link HateoasSortHandlerMethodArgumentResolver}
*
* @author Oliver Gierke
*/
public class HateoasSortHandlerMethodArgumentResolverUnitTests extends SortHandlerMethodArgumentResolverUnitTests {
@Test
public void buildsUpRequestParameters() throws Exception {
assertUriStringFor(SORT, "sort=firstname,lastname,desc");
assertUriStringFor(new Sort(ASC, "foo").and(new Sort(DESC, "bar").and(new Sort(ASC, "foobar"))),
"sort=foo,asc&sort=bar,desc&sort=foobar,asc");
assertUriStringFor(new Sort(ASC, "foo").and(new Sort(ASC, "bar").and(new Sort(DESC, "foobar"))),
"sort=foo,bar,asc&sort=foobar,desc");
}
/**
* @see DATACMNS-407
*/
@Test
public void replacesExistingRequestParameters() throws Exception {
assertUriStringFor(SORT, "/?sort=firstname,lastname,desc", "/?sort=foo,asc");
}
/**
* @see DATACMNS-418
*/
@Test
public void returnCorrectTemplateVariables() {
HateoasSortHandlerMethodArgumentResolver resolver = new HateoasSortHandlerMethodArgumentResolver();
assertThat(resolver.getSortTemplateVariables(null), is("{?sort}"));
}
private void assertUriStringFor(Sort sort, String expected) throws Exception {
assertUriStringFor(sort, expected, "/");
}
private void assertUriStringFor(Sort sort, String expected, String baseUri) throws Exception {
UriComponentsBuilder builder = UriComponentsBuilder.fromUri(new URI(baseUri));
MethodParameter parameter = getParameterOfMethod("supportedMethod");
new HateoasSortHandlerMethodArgumentResolver().enhance(builder, parameter, sort);
assertThat(builder.build().toUriString(), endsWith(expected));
}
}