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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>imgcache.js - Tests</title>
<script src="examples/jquery-1.6.4.min.js"></script>
<script src="js/imgcache.js"></script>
<!-- only for cordova (replace by phonegap.js for phonegap) - ignore on desktop browser -->
<script src="cordova.js"></script>
<script>
var LOG_LEVEL_INFO = 1;
var LOG_LEVEL_WARNING = 2;
var LOG_LEVEL_ERROR = 3;
var logger = function(str, level) {
var levelClass = '';
if (level == LOG_LEVEL_INFO) levelClass='info';
if (level == LOG_LEVEL_WARNING) levelClass='warn';
if (level == LOG_LEVEL_ERROR) levelClass='error';
$('#log').append($('<li></li>').addClass(levelClass).text(str));
};
var startTest = function() {
console.log('starting test');
var countTotalMethods = 0;
var testableMethods = [];
for (var m in ImgCache) {
if (typeof ImgCache[m] === "function") {
countTotalMethods++;
testableMethods.push(m);
}
}
var testedMethods = {};
ImgCache.options.debug = true;
ImgCache.options.customLogger = logger;
ImgCache.options.cacheClearSize = 10;
var default_options = ImgCache.options;
var test_suites_options = [
{
usePersistentCache: true
},
{
usePersistentCache: false
},
{
useDataURI: true
},
];
$('#version').text('imgcache.js version ' + ImgCache.version);
var $test_img, $test_div;
var getBackgroundImageUrl = function($div) {
var backgroundImageProperty = $div.css('background-image');
if (!backgroundImageProperty) {
return;
}
var regexp = /\((.+)\)/;
return regexp.exec(backgroundImageProperty)[1];
};
var getAppropriateElement = function(element) {
if (ImgCache.jQuery)
return element;
return element[0];
};
// simple test bench : test function should call ok/nok callbacks then it carries on with next test
// name: exact name of the method to Test
// test: code that will get executed - can expect ok or error
var tests_list = [
{
name: 'init',
test: function(ok, nok) {
ImgCache.init(ok, nok);
}
},
{
name: 'clearCache',
test: function(ok, nok) {
ImgCache.clearCache(ok, nok);
}
},
{
name: 'getCurrentSize',
test: function(ok, nok) {
if (ImgCache.getCurrentSize() == 0) {
ok();
} else {
nok();
}
}
},
{
name: 'isCached',
test: function(ok, nok) {
// expected result: failure
ImgCache.isCached($test_img.attr('src'), function(src, res) { if (res) nok(); else ok(); });
}
},
{
name: 'getCachedFile',
test: function(ok, nok) {
// expected result: failure
ImgCache.getCachedFile($test_img.attr('src'), function(src, file_entry) { if (file_entry) nok(); else ok(); });
}
},
{
name: 'cacheFile',
test: function(ok, nok) {
ImgCache.cacheFile($test_img.attr('src'), ok, nok);
}
},
{
name: 'cacheBackground',
test: function(ok, nok) {
ImgCache.cacheBackground(getAppropriateElement($test_div), ok, nok);
}
},
{
name: 'isCached',
test: function(ok, nok) {
var img_src = getBackgroundImageUrl($test_div);
if (img_src)
ImgCache.isCached(img_src, function(src, res) { if (res) ok(); else nok(); });
else
nok();
}
},
{
name: 'getCachedFile',
test: function(ok, nok) {
var img_src = getBackgroundImageUrl($test_div);
if (img_src)
ImgCache.getCachedFile(img_src, function(src, file_entry) {
if (file_entry) {
logger('Cached File Name: ' + file_entry.name, LOG_LEVEL_INFO);
ok();
} else {
nok();
}
});
else
nok();
}
},
{
name: 'useCachedFile',
test: function(ok, nok) {
ImgCache.useCachedFile(getAppropriateElement($test_img), ok, nok);
}
},
{
name: 'useCachedBackground',
test: function(ok, nok) {
ImgCache.useCachedBackground(getAppropriateElement($test_div), ok, nok);
}
},
{
name: 'useOnlineFile',
test: function(ok, nok) {
ImgCache.useOnlineFile(getAppropriateElement($test_img));
if ($test_img.attr('src').match('^http') == 'http')
ok();
else
nok();
}
},
{
name: 'useBackgroundOnlineFile',
test: function(ok, nok) {
ImgCache.useBackgroundOnlineFile(getAppropriateElement($test_div));
var img_src = getBackgroundImageUrl($test_div);
if (img_src.match('^http') == 'http')
ok();
else
nok();
}
},
{
name: 'getCurrentSize',
test: function(ok, nok) {
if (ImgCache.getCurrentSize() > 0) {
ok();
} else {
nok();
}
}
},
{
name: 'removeFile',
test: function(ok, nok) {
ImgCache.removeFile($test_img.attr('src'), ok, nok);
}
},
{
name: 'isCached',
test: function(ok, nok) {
// expected result: failure
ImgCache.isCached($test_img.attr('src'),
function(src, res) { if (res) nok(); else ok(); });
}
},
{
name: 'cacheFile',
test: function(ok, nok) {
ImgCache.cacheFile($test_img.attr('src'), ok, nok);
}
},
{
name: 'useCachedFileWithSource',
test: function(ok, nok) {
ImgCache.useCachedFileWithSource(getAppropriateElement($test_img), $test_img.attr('src'), ok, nok);
}
},
{
name: 'getCacheFolderURI',
test: function(ok, nok) {
var folder = ImgCache.getCacheFolderURI();
logger('Output: ' + folder, LOG_LEVEL_INFO);
if (folder && folder.length)
ok();
else
nok();
}
},
{
name: 'clearCache',
test: function(ok, nok) {
ImgCache.clearCache(ok, nok);
}
}
];
var cur_test_suite = 0;
var num_tests = tests_list.length * (test_suites_options.length + 1);
var success_count = 0;
var item = 0;
var run_next_test_suite = function()
{
if (cur_test_suite == test_suites_options.length + 1)
{
// reset non-option
ImgCache.jQuery = window.jQuery;
logger('END OF TESTS', LOG_LEVEL_INFO);
return;
}
$test_img = $('#test_img').clone();
$test_div = $('#test_div').clone();
// add those new elements to the dom to get styles
$('#sink')
.append($test_img)
.append($test_div);
if (cur_test_suite == test_suites_options.length) {
ImgCache.jQuery = false;
logger('Running tests without jQuery', LOG_LEVEL_INFO);
} else {
// see console output for debug info
var cur_options = test_suites_options[cur_test_suite];
ImgCache.options = $.extend({}, default_options, cur_options);
logger('Running tests with ImgCache options: ' + JSON.stringify(cur_options), LOG_LEVEL_INFO);
}
item = 0;
test_method();
cur_test_suite ++;
};
var test_method = function(result) {
if (result !== undefined) {
if (result) {
logger('> Result: SUCCESS', LOG_LEVEL_INFO);
success_count ++;
}
else
logger('> Result: FAILURE', LOG_LEVEL_ERROR);
}
if (item >= tests_list.length) {
$('#result').text('TEST RESULT: ' + success_count + '/' + num_tests);
var countTestedMethods = 0;
for (var key in testedMethods) {
if (testedMethods.hasOwnProperty(key)) countTestedMethods++;
}
var coverage = "";
coverage = 'API coverage: ' + countTestedMethods + '/' + countTotalMethods;
if (countTestedMethods < countTotalMethods) {
var untestedMethods = "";
for (var i = 0; i < testableMethods.length; i++) {
var method = testableMethods[i];
if (!testedMethods.hasOwnProperty(method)) {
if (untestedMethods.length > 0)
untestedMethods += " / "
untestedMethods += method;
}
}
if (untestedMethods.length > 0) {
coverage += '<br>Untested methods: ' + untestedMethods;
}
}
$('#methods').html(coverage);
logger('--------------------------------------------', LOG_LEVEL_INFO);
// launch second set of tests with different options
run_next_test_suite();
return;
}
var cur_test = tests_list[item];
logger('*** Testing ' + cur_test.name + ' ['+(item+1)+'/'+num_tests+']', LOG_LEVEL_INFO);
testedMethods[cur_test.name] = true;
// ready for next one
item ++;
//starts test now!
cur_test.test(function() { test_method(true) }, function() {test_method(false)});
};
run_next_test_suite();
};
/*
if (typeof(cordova) !== 'undefined') {
// cordova test
console.log('cordova start');
document.addEventListener('deviceready', startTest, false);
} else {
// normal browser test
$(document).ready(function () {
console.log('starting test');
startTest();
});
}
*/
</script>
<style>
/* just to make the page look a little nicer.. no use for the example in itself.. */
.note {
background-color: #bbb;
margin: 1em;
padding: 1em;
display: inline-block;
float: right;
clear: right;
}
code {
display: block;
margin: 0.5em;
}
body { background-color: #eef; }
h1 { text-align: center; }
#log { clear: both; list-style-type: none; }
#log li.error { background-color: #f99; }
#log li.warn { background-color: #ff8c00; }
#log li.info { background-color: #87cefa; }
#version { font-size: 1.2em; }
#result { font-size: 1.5em; font-weight: bold; }
#test_img { display: none; }
.bgimg { display: none; background-image: url(http://data-gov.tw.rpi.edu/w/images/thumb/b/b1/State-lib-sum.png/180px-State-lib-sum.png); }
#actions li {
line-height: 2em;
}
</style>
</head>
<body>
<h1>imgcache.js</h1>
<ul id="actions">
<li><a href="#" onclick="startTest()">Start unit tests</a></li>
<li><a href="examples/example1.html">Example #1</a></li>
<li><a href="examples/example2.html">Example #2</a></li>
</ul>
<div class="note">
<p>Don't forget to accept your browser request to store data on the local computer!</p>
</div>
<div class="note">
<p>If seen in Chrome from file://, run chrome with the following flags: <code>--allow-file-access-from-files --allow-file-access</code> in order to <a href="http://stackoverflow.com/questions/6427870/html5-file-api-security-error-while-reading-a-file">avoid a security error</a>.</p>
<p>Otherwise run the page from a web server.</p>
</div>
<!-- this is the test image, it needs to in a CORS enabled domain -->
<img id="test_img" src="http://data-gov.tw.rpi.edu/w/images/thumb/b/b1/State-lib-sum.png/120px-State-lib-sum.png">
<!-- this is the test div, it needs to in a CORS enabled domain -->
<div id="test_div" class="bgimg"> </div>
<br/>
<p id="version"></p>
<div id="result"></div>
<div id="methods"></div>
<ul id="log">
<h2>log</h2>
</ul>
<div id="sink"></div>
</body>
</html>