March 2003
Intermediate to advanced
288 pages
7h 4m
English
Content preview from Java Extreme Programming CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Testing Cookies
Problem
You want to create cookies and test for the existence of cookies.
Solution
Use WebConversation’s
addCookie( )
method to create new cookies, and its
getCookieValue( ) method to retrieve cookie
values.
Discussion
Cookies are little pieces of information that web applications store
on the client browser’s machine. Cookies allow web
sites to maintain state information as you view different web pages.
HttpUnit creates cookies and retrieve cookies using methods on the
WebConversation class.
For the sake of an example, let’s look at a simple JSP that uses cookies. Example 5-12 shows a JSP that creates a new cookie and then displays the array of cookies from the client.
Example 5-12. A JSP that generates and displays cookies
<%-- generate a cookie --%><%Cookie cookie = new Cookie("customerId", "12345");response.addCookie(cookie);%><html> <head><title>Cookie Demo</title></head> <body> <h1>Cookies in this request</h1> <table> <tr> <th>Cookie Name</th> <th>Value</th> </tr><%-- print all of the cookies for this request --%><% Cookie[] cookies = request.getCookies( );int numCookies = (cookies != null) ? cookies.length : 0;for (int i=0; i<numCookies; i++) { %><tr><td><%= cookies[i].getName( ) %></td><td><%= cookies[i].getValue( ) %></td></tr><% } %></table> </body> </html>
The unit test, shown in Example 5-13, works with the JSP shown in Example 5-12. The unit test accomplishes two tasks. First, it shows how you can create new cookies from your own unit tests. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.