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/*
* imageRules.json
*
* Simple rules for checking that specific images appear on a page, that specific images
* link back to specific URLs, and that image sizes fall into a proscribed set.
*
* Test using exampleData/basic/testImageRules.html
*/
{ 'name': 'Image Rules'
, 'description': 'General guidelines regarding site images'
, 'rules': [
//----------------------------------------------------------------
{ 'id': 8120001
, 'name': 'Banner check'
, 'description': 'Banner image banner.gif must appear and link to somewhere'
, 'severity': 1
, 'rule':
function() {
var elt = $5('div[id=header]'); // get the div with id=header
var b = $5(elt).css('background'); // get its background CSS property
var l = $5('a[href]', elt).prop('href'); // get the <a href=...> string inside the div
if (/banner\.gif/.test(b)) {
report('banner.gif missing', elt);
}
if (l === null || l.length == 0) {
report('banner.gif link is missing', elt);
}
}
},
//----------------------------------------------------------------
{ 'id': 8120002
, 'name': 'Image Size check'
, 'description': 'All site images should have height and width in a given set of choices'
, 'severity': 2
, 'rule':
function() {
var allowedDimensions = { 446: { 300: {}} // allow any image with these height:width pairs
, 342: { 228: {}}
, 150: { 100: {}} };
var specialWidths = { 640: {} // allow any image with these special widths
, 100: {} };
$5('img').not('div.filmstrip *') // skip filmstrip images
.each(function(i, elt) {
var borderStr = /^[0-9]+/.exec($(elt).css('border')); // compensate for image border
var border = borderStr ? parseInt(borderStr[0]) : 0;
var w = $(elt).width() + 2 * border;
var h = $(elt).height() + 2 * border;
if (!((w in specialWidths) ||
(h in allowedDimensions && w in allowedDimensions[h]))) {
report('non-standard dimensions ' + h + 'x' + w, elt);
}
});
}
},
//----------------------------------------------------------------
{ 'id': 8120003
, 'name': 'Image Border check'
, 'description': 'All site images should have 1px solid #3D border'
, 'severity': 1
, 'rule':
function() {
// select out first two words of the input
var norm = function(s) {
if (/^\w+\s+\w+/.exec(s))
return /^\w+\s+\w+/.exec(s)[0];
else
return 'null null';
};
var imgs = $5('img').not('div.filmstrip *'); // select images not in the filmstrip
imgs.cssIsNot('border', '1px solid', norm)
.each(function(i, elt) {
report('non-standard border style', elt);
});
imgs.cssIsNot('border-color', '#3D3D3D', fiveui.color.colorToHex)
.each(function(i, elt) {
report('non-standard border color', elt);
});
}
}//,
//----------------------------------------------------------------
]
}
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