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Print cookies in human-readable form in Spring MVC Test

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Prior to this commit, when rendering cookies via `andDo(print())` in
Spring MVC Test, the output for the `MockHttpServletResponse` would
look something like the following:

  Cookies = [javax.servlet.http.Cookie@25084a1e]

The reason is that the Cookie class in javax.servlet-api-3.0.1.jar does
not implement toString(). Consequently, nothing about the cookie's
name, value, etc., is displayed, thereby making the debug output for
cookies next to useless.

This commit improves on this by implementing custom toString() logic
for cookies in debug output in Spring MVC Test. For example, the output
now looks like this (without the newlines):

  Cookies = [[Cookie@47faa49c name = 'enigma', value = '42', \\
            comment = [null], domain = [null], maxAge = -1, \\
            path = [null], secure = false, version = 0, \\
            httpOnly = false]]

In addition, this commit fixes a minor bug for FlashMap debug output if
the FlashMap is empty.

Issue: SPR-13168
This commit is contained in:
Sam Brannen
2015-06-27 02:50:07 +02:00
parent a2d3c27ed1
commit 895d43a2b3
4 changed files with 97 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
spring-test/src/test/java/org/springframework/test/web/servlet/result/PrintingResultHandlerTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2015 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.
@@ -19,9 +19,9 @@ package org.springframework.test.web.servlet.result;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.Cookie;
import org.junit.Before;
import org.junit.Test;
import org.springframework.http.HttpHeaders;
@@ -45,33 +45,27 @@ import static org.junit.Assert.*;
* Tests for {@link PrintingResultHandler}.
*
* @author Rossen Stoyanchev
* @author Sam Brannen
*/
public class PrintingResultHandlerTests {
private TestPrintingResultHandler handler;
private final TestPrintingResultHandler handler = new TestPrintingResultHandler();
private MockHttpServletRequest request;
private final MockHttpServletRequest request = new MockHttpServletRequest("GET", "/") {
@Override
public boolean isAsyncStarted() {
return false;
}
};
private MockHttpServletResponse response;
private final MockHttpServletResponse response = new MockHttpServletResponse();
private StubMvcResult mvcResult;
private final StubMvcResult mvcResult = new StubMvcResult(this.request, null, null,
null, null, null, this.response);
@Before
public void setup() {
this.handler = new TestPrintingResultHandler();
this.request = new MockHttpServletRequest("GET", "/") {
@Override
public boolean isAsyncStarted() {
return false;
}
};
this.response = new MockHttpServletResponse();
this.mvcResult = new StubMvcResult(this.request, null, null, null, null, null, this.response);
}
@Test
public void testPrintRequest() throws Exception {
public void printRequest() throws Exception {
this.request.addParameter("param", "paramValue");
this.request.addHeader("header", "headerValue");
@@ -91,7 +85,15 @@ public class PrintingResultHandlerTests {
@Test
@SuppressWarnings("deprecation")
public void testPrintResponse() throws Exception {
public void printResponse() throws Exception {
Cookie enigmaCookie = new Cookie("enigma", "42");
enigmaCookie.setComment("This is a comment");
enigmaCookie.setHttpOnly(true);
enigmaCookie.setMaxAge(1234);
enigmaCookie.setDomain(".example.com");
enigmaCookie.setPath("/crumbs");
enigmaCookie.setSecure(true);
this.response.setStatus(400, "error");
this.response.addHeader("header", "headerValue");
this.response.setContentType("text/plain");
@@ -99,6 +101,7 @@ public class PrintingResultHandlerTests {
this.response.setForwardedUrl("redirectFoo");
this.response.sendRedirect("/redirectFoo");
this.response.addCookie(new Cookie("cookie", "cookieValue"));
this.response.addCookie(enigmaCookie);
this.handler.handle(this.mvcResult);
@@ -107,17 +110,30 @@ public class PrintingResultHandlerTests {
headers.setContentType(MediaType.TEXT_PLAIN);
headers.setLocation(new URI("/redirectFoo"));
assertValue("MockHttpServletResponse", "Status", this.response.getStatus());
assertValue("MockHttpServletResponse", "Error message", response.getErrorMessage());
assertValue("MockHttpServletResponse", "Headers", headers);
assertValue("MockHttpServletResponse", "Content type", this.response.getContentType());
assertValue("MockHttpServletResponse", "Body", this.response.getContentAsString());
assertValue("MockHttpServletResponse", "Forwarded URL", this.response.getForwardedUrl());
assertValue("MockHttpServletResponse", "Redirected URL", this.response.getRedirectedUrl());
String heading = "MockHttpServletResponse";
assertValue(heading, "Status", this.response.getStatus());
assertValue(heading, "Error message", response.getErrorMessage());
assertValue(heading, "Headers", headers);
assertValue(heading, "Content type", this.response.getContentType());
assertValue(heading, "Body", this.response.getContentAsString());
assertValue(heading, "Forwarded URL", this.response.getForwardedUrl());
assertValue(heading, "Redirected URL", this.response.getRedirectedUrl());
Map<String, Map<String, Object>> printedValues = this.handler.getPrinter().printedValues;
String[] cookies = (String[]) printedValues.get(heading).get("Cookies");
assertEquals(2, cookies.length);
String cookie1 = cookies[0];
String cookie2 = cookies[1];
assertTrue(cookie1.startsWith("[" + Cookie.class.getSimpleName()));
assertTrue(cookie1.contains("name = 'cookie', value = 'cookieValue'"));
assertTrue(cookie1.endsWith("]"));
assertTrue(cookie2.startsWith("[" + Cookie.class.getSimpleName()));
assertTrue(cookie2.contains("name = 'enigma', value = '42', comment = 'This is a comment', domain = '.example.com', maxAge = 1234, path = '/crumbs', secure = true, version = 0, httpOnly = true"));
assertTrue(cookie2.endsWith("]"));
}
@Test
public void testPrintHandlerNull() throws Exception {
public void printHandlerNull() throws Exception {
StubMvcResult mvcResult = new StubMvcResult(this.request, null, null, null, null, null, this.response);
this.handler.handle(mvcResult);
@@ -125,7 +141,7 @@ public class PrintingResultHandlerTests {
}
@Test
public void testPrintHandler() throws Exception {
public void printHandler() throws Exception {
this.mvcResult.setHandler(new Object());
this.handler.handle(this.mvcResult);
@@ -133,7 +149,7 @@ public class PrintingResultHandlerTests {
}
@Test
public void testPrintHandlerMethod() throws Exception {
public void printHandlerMethod() throws Exception {
HandlerMethod handlerMethod = new HandlerMethod(this, "handle");
this.mvcResult.setHandler(handlerMethod);
this.handler.handle(mvcResult);
@@ -143,14 +159,14 @@ public class PrintingResultHandlerTests {
}
@Test
public void testResolvedExceptionNull() throws Exception {
public void resolvedExceptionNull() throws Exception {
this.handler.handle(this.mvcResult);
assertValue("Resolved Exception", "Type", null);
}
@Test
public void testResolvedException() throws Exception {
public void resolvedException() throws Exception {
this.mvcResult.setResolvedException(new Exception());
this.handler.handle(this.mvcResult);
@@ -158,7 +174,7 @@ public class PrintingResultHandlerTests {
}
@Test
public void testModelAndViewNull() throws Exception {
public void modelAndViewNull() throws Exception {
this.handler.handle(this.mvcResult);
assertValue("ModelAndView", "View name", null);
@@ -167,7 +183,7 @@ public class PrintingResultHandlerTests {
}
@Test
public void testModelAndView() throws Exception {
public void modelAndView() throws Exception {
BindException bindException = new BindException(new Object(), "target");
bindException.reject("errorCode");
@@ -186,14 +202,14 @@ public class PrintingResultHandlerTests {
}
@Test
public void testFlashMapNull() throws Exception {
public void flashMapNull() throws Exception {
this.handler.handle(mvcResult);
assertValue("FlashMap", "Type", null);
}
@Test
public void testFlashMap() throws Exception {
public void flashMap() throws Exception {
FlashMap flashMap = new FlashMap();
flashMap.put("attrName", "attrValue");
this.request.setAttribute(DispatcherServlet.class.getName() + ".OUTPUT_FLASH_MAP", flashMap);

8
spring-test/src/test/java/org/springframework/test/web/servlet/samples/standalone/resulthandlers/PrintingResultHandlerTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2015 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.
@@ -16,6 +16,9 @@
package org.springframework.test.web.servlet.samples.standalone.resulthandlers;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import org.junit.Ignore;
import org.junit.Test;
@@ -47,7 +50,8 @@ public class PrintingResultHandlerTests {
@RequestMapping("/")
@ResponseBody
public String hello() {
public String hello(HttpServletResponse response) {
response.addCookie(new Cookie("enigma", "42"));
return "Hello world";
}
}