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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': [
//----------------------------------------------------------------
{ '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 = 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.length == 0) { // this list will be empty if there is no link
report("banner.gif link is missing", elt);
}
}
},
//----------------------------------------------------------------
{ '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);
}
});
}
},
//----------------------------------------------------------------
{ 'name': "Image Border check"
, 'description': "All site images should have 1px solid #3D border"
, 'severity': 1
, 'rule':
function() {
var norm = function (s) { return /^\w+\s+\w+/.exec(s)[0]; } // select out first two words of the input
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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