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SoftwareTesting:Tools:jsUnit (view source)
Revision as of 15:47, 17 September 2006
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=Description= | =Description= | ||
[http://www.jsunit.net/ jsUnit] is a fairly mature harness for in-browser testing. We can easily use it to run tests that can run as content | [http://www.jsunit.net/ jsUnit] is a fairly mature harness for in-browser testing. We can easily use it to run tests that can run as content | ||
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# use the file picker to select the test you just wrote | # use the file picker to select the test you just wrote | ||
# run the test | # run the test | ||
==Example== | ==Simple Example== | ||
dom_3348.html: tagName of HTML element should give tag in upper case (bug 3348) | dom_3348.html: tagName of HTML element should give tag in upper case (bug 3348) | ||
<pre> | <pre> | ||
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===Output=== | ===Output=== | ||
the test passes | the test passes | ||
==Example using events== | |||
dom_338679.html - DOMAttrModified event should not report new value as prevValue for style changes | |||
* note the use of the <tt>setUpPage</tt> function, and setting <tt>setUpPageStatus</tt> to 'complete' when it is ok to run the test assertions | |||
<pre> | |||
<!DOCTYPE html> | |||
<title>Testcase bug 338679</title> | |||
<script language="javascript" src="app/jsUnitCore.js"></script> | |||
<script> | |||
function setUpPage() { | |||
with (document.getElementById("out")) { | |||
addEventListener("DOMAttrModified", attr_modified, false) | |||
style.width = "auto" | |||
} | |||
} | |||
function attr_modified(ev) { | |||
this.textContent = "Previous:\t" + ev.prevValue + "\nNew:\t\t" + ev.newValue; | |||
setUpPageStatus = 'complete' | |||
} | |||
function testBug338679() { | |||
assertEquals("Previous:\twidth: 20em;\nNew:\t\twidth: auto;",document.getElementById("out").textContent); | |||
} | |||
</script> | |||
<dl> | |||
<dt>Actual result:</dt> | |||
<dd> | |||
<pre id="out" style="width: 20em"> | |||
</pre> | |||
</dd> | |||
<dt>Expected result:</dt> | |||
<dd> | |||
<pre> | |||
Previous: width: 20em; | |||
New: width: auto; | |||
</pre> | |||
</dd> | |||
</dl> | |||
</pre> | |||
==Other Examples== | |||
* example jsunit-based tests ([http://people.mozilla.com/~davel/jsunit/ davel's examples]) | |||
=Comments= | =Comments= | ||
* jsUnit also supports test suites. | * jsUnit also supports test suites. | ||
** paths for files in addTestPage() are evaluated relative to the testRunner page, not the test suite page | ** paths for files in addTestPage() are evaluated relative to the testRunner page, not the test suite page | ||
=To do list= | =To do list= | ||
* resolve how this should be checked in / referenced from the tree | |||
** check in to tree? | |||
** make accessible via resource: or chrome: url? | |||
** package as an extension? | |||
*** a wrapper extension that takes as config input the url or directory where the jsunit files live? | |||
* make it easier to detect pass/fail status from an automated invocation harness | |||
** add test runner that reports pass/fail via dump, log, or write to file | |||
* convert, or use as a base, to run tests with chrome privileges | |||
** need to break dependency on running in a browser window - see [http://lxr.mozilla.org/mozilla/source/toolkit/mozapps/update/src/testnsUpdateService.js here] for a quick attempt to do so | |||
* convert, use as base, or merge with xpcshell-simple harness? | |||
[[Category:SoftwareTesting]] | [[Category:SoftwareTesting]] | ||