Revision: 936
http://jwebunit.svn.sourceforge.net/jwebunit/?rev=936&view=rev
Author: jevonwright
Date: 2012-02-14 23:35:26 +0000 (Tue, 14 Feb 2012)
Log Message:
-----------
adding FAQ entry on parsing JSON with JWebUnit
Modified Paths:
--------------
trunk/src/site/fml/faq.fml
Modified: trunk/src/site/fml/faq.fml
===================================================================
--- trunk/src/site/fml/faq.fml 2012-01-27 09:43:35 UTC (rev 935)
+++ trunk/src/site/fml/faq.fml 2012-02-14 23:35:26 UTC (rev 936)
@@ -54,6 +54,35 @@
Have a look at http://htmlunit.sourceforge.net/submittingJSBugs.html
</answer>
</faq>
+
+ <faq id="javascript-json">
+ <question>
+ How can I parse JSON output using JWebUnit or HtmlUnit?
+ </question>
+ <answer>
+ <p>HtmlUnit, one of the underlying engines of JWebUnit, <a
href="http://stackoverflow.com/questions/2932857/html-handling-a-json-response";>does
not support direct
+ execution of Javascript functions</a>. You need to check beforehand
that the <code>Content-Type</code>
+ of the response is <code>application/json</code>, and then use a
different library to parse it.</p>
+
+ <p>For example, <a href="http://code.google.com/p/google-gson/";>Google
Gson</a> can be used to parse JSON, as follows:</p>
+
+ <source>WebResponse response = ((HtmlUnitTestingEngineImpl)
JWebUnit.getTestingEngine()).getWebResponse();
+
+// check content type
+assertTrue("Response type should be application/json, was: " +
response.getContentType(),
"application/json".equals(response.getContentType()));
+
+// parse JSON
+Gson gson = new Gson();
+String json = response.getContentAsString();
+JsonObject obj = new JsonParser().parse(json).getAsJsonObject(); // or
JsonArray, depending on the JSON content
+
+assertTrue("Object should have success field", obj.has("success"));
+String success = gson.fromJson(obj.get("success"), String.class);
+String username = gson.fromJson(obj.get("username"), String.class);
+String type = gson.fromJson(obj.get("type"), String.class);
+// etc</source>
+ </answer>
+ </faq>
</part>
<part id="JUnitPerf">
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