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Polish ContentCachingResponseWrapper[Tests]

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Sam Brannen
2024-02-24 13:34:48 +01:00
parent 6ad75bdb4a
commit 1acc1c3a27
2 changed files with 39 additions and 22 deletions
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42
spring-web/src/test/java/org/springframework/web/filter/ContentCachingResponseWrapperTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2024 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.
@@ -16,55 +16,69 @@
package org.springframework.web.filter;
import java.nio.charset.StandardCharsets;
import javax.servlet.http.HttpServletResponse;
import org.junit.jupiter.api.Test;
import org.springframework.http.HttpHeaders;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.testfixture.servlet.MockHttpServletResponse;
import org.springframework.web.util.ContentCachingResponseWrapper;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.http.HttpHeaders.CONTENT_LENGTH;
import static org.springframework.http.HttpHeaders.TRANSFER_ENCODING;
/**
* Unit tests for {@link ContentCachingResponseWrapper}.
*
* @author Rossen Stoyanchev
*/
public class ContentCachingResponseWrapperTests {
@Test
void copyBodyToResponse() throws Exception {
byte[] responseBody = "Hello World".getBytes(StandardCharsets.UTF_8);
byte[] responseBody = "Hello World".getBytes(UTF_8);
MockHttpServletResponse response = new MockHttpServletResponse();
ContentCachingResponseWrapper responseWrapper = new ContentCachingResponseWrapper(response);
responseWrapper.setStatus(HttpServletResponse.SC_OK);
responseWrapper.setStatus(HttpServletResponse.SC_CREATED);
FileCopyUtils.copy(responseBody, responseWrapper.getOutputStream());
responseWrapper.copyBodyToResponse();
assertThat(response.getStatus()).isEqualTo(200);
assertThat(response.getContentLength() > 0).isTrue();
assertThat(response.getStatus()).isEqualTo(HttpServletResponse.SC_CREATED);
assertThat(response.getContentLength()).isGreaterThan(0);
assertThat(response.getContentAsByteArray()).isEqualTo(responseBody);
}
@Test
void copyBodyToResponseWithTransferEncoding() throws Exception {
byte[] responseBody = "6\r\nHello 5\r\nWorld0\r\n\r\n".getBytes(StandardCharsets.UTF_8);
byte[] responseBody = "6\r\nHello 5\r\nWorld0\r\n\r\n".getBytes(UTF_8);
MockHttpServletResponse response = new MockHttpServletResponse();
ContentCachingResponseWrapper responseWrapper = new ContentCachingResponseWrapper(response);
responseWrapper.setStatus(HttpServletResponse.SC_OK);
responseWrapper.setHeader(HttpHeaders.TRANSFER_ENCODING, "chunked");
responseWrapper.setStatus(HttpServletResponse.SC_CREATED);
responseWrapper.setHeader(TRANSFER_ENCODING, "chunked");
FileCopyUtils.copy(responseBody, responseWrapper.getOutputStream());
responseWrapper.copyBodyToResponse();
assertThat(response.getStatus()).isEqualTo(200);
assertThat(response.getHeader(HttpHeaders.TRANSFER_ENCODING)).isEqualTo("chunked");
assertThat(response.getHeader(HttpHeaders.CONTENT_LENGTH)).isNull();
assertThat(response.getStatus()).isEqualTo(HttpServletResponse.SC_CREATED);
assertHeader(response, TRANSFER_ENCODING, "chunked");
assertHeader(response, CONTENT_LENGTH, null);
assertThat(response.getContentAsByteArray()).isEqualTo(responseBody);
}
private void assertHeader(HttpServletResponse response, String header, String value) {
if (value == null) {
assertThat(response.containsHeader(header)).as(header).isFalse();
assertThat(response.getHeader(header)).as(header).isNull();
assertThat(response.getHeaders(header)).as(header).isEmpty();
}
else {
assertThat(response.containsHeader(header)).as(header).isTrue();
assertThat(response.getHeader(header)).as(header).isEqualTo(value);
assertThat(response.getHeaders(header)).as(header).containsExactly(value);
}
}
}