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RelativeRedirectFilterTests.java
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RelativeRedirectFilterTests.java
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/*
* Copyright 2002-2022 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
*
* https://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.web.filter;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;
import org.junit.jupiter.api.Test;
import org.mockito.InOrder;
import org.mockito.Mockito;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.web.testfixture.servlet.MockFilterChain;
import org.springframework.web.testfixture.servlet.MockHttpServletRequest;
import org.springframework.web.testfixture.servlet.MockHttpServletResponse;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
/**
* Unit tests for {@link RelativeRedirectFilter}.
*
* @author Rob Winch
* @author Juergen Hoeller
*/
public class RelativeRedirectFilterTests {
private RelativeRedirectFilter filter = new RelativeRedirectFilter();
private HttpServletResponse response = Mockito.mock(HttpServletResponse.class);
@Test
void sendRedirectHttpStatusWhenNullThenIllegalArgumentException() {
assertThatIllegalArgumentException().isThrownBy(() ->
this.filter.setRedirectStatus(null));
}
@Test
void sendRedirectHttpStatusWhenNot3xxThenIllegalArgumentException() {
assertThatIllegalArgumentException().isThrownBy(() ->
this.filter.setRedirectStatus(HttpStatus.OK));
}
@Test
void doFilterSendRedirectWhenDefaultsThenLocationAnd303() throws Exception {
String location = "/foo";
sendRedirect(location);
InOrder inOrder = Mockito.inOrder(this.response);
inOrder.verify(this.response).resetBuffer();
inOrder.verify(this.response).setStatus(HttpStatus.SEE_OTHER.value());
inOrder.verify(this.response).setHeader(HttpHeaders.LOCATION, location);
inOrder.verify(this.response).flushBuffer();
}
@Test
void doFilterSendRedirectWhenCustomSendRedirectHttpStatusThenLocationAnd301() throws Exception {
String location = "/foo";
HttpStatus status = HttpStatus.MOVED_PERMANENTLY;
this.filter.setRedirectStatus(status);
sendRedirect(location);
InOrder inOrder = Mockito.inOrder(this.response);
inOrder.verify(this.response).resetBuffer();
inOrder.verify(this.response).setStatus(status.value());
inOrder.verify(this.response).setHeader(HttpHeaders.LOCATION, location);
inOrder.verify(this.response).flushBuffer();
}
@Test
void wrapOnceOnly() throws Exception {
HttpServletResponse original = new MockHttpServletResponse();
MockFilterChain chain = new MockFilterChain();
this.filter.doFilterInternal(new MockHttpServletRequest(), original, chain);
HttpServletResponse wrapped1 = (HttpServletResponse) chain.getResponse();
assertThat(wrapped1).isNotSameAs(original);
chain.reset();
this.filter.doFilterInternal(new MockHttpServletRequest(), wrapped1, chain);
HttpServletResponse current = (HttpServletResponse) chain.getResponse();
assertThat(current).isSameAs(wrapped1);
chain.reset();
HttpServletResponse wrapped2 = new HttpServletResponseWrapper(wrapped1);
this.filter.doFilterInternal(new MockHttpServletRequest(), wrapped2, chain);
current = (HttpServletResponse) chain.getResponse();
assertThat(current).isSameAs(wrapped2);
}
private void sendRedirect(String location) throws Exception {
MockFilterChain chain = new MockFilterChain();
this.filter.doFilterInternal(new MockHttpServletRequest(), this.response, chain);
HttpServletResponse wrappedResponse = (HttpServletResponse) chain.getResponse();
wrappedResponse.sendRedirect(location);
}
}