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'use strict';
// Testing printliminator basic DOM traversing scripts
describe( 'Traversing', function() {
var div;
beforeEach(function() {
if ( !div ) {
div = document.createElement( 'body' );
div.id = 'container';
}
div.innerHTML =
'<div id="opposite"></div>' +
'<br>' +
'<div id="opposite2">' +
'<meta charset="UTF-8">' +
'<span id="item1"></span>' +
'<link rel="stylesheet" href="">' +
'<span id="item2"></span>' +
'<br>' +
'<meta charset="UTF-8">' +
'<p id="item3"></p>' +
'</div>' +
'<div id="graphics">' +
'<script></script>' +
'<audio></audio>' +
'<svg xmlns="http://www.w3.org/2000/svg"><rect width="5" height="5"/></svg>' +
'<meta charset="UTF-8">' +
'<div class="start"></div>' +
'<iframe src=""></iframe>' +
'<img src="" alt="test">' +
'<input type="image">' +
'<link rel="stylesheet" href="">' +
'<article></article>' +
'<object></object>' +
'<video></video>' +
'<br>' +
'<p></p>' +
'<embed/>' +
'<style></style>' +
'<img src="" alt="test2">' +
'</div>';
return div;
});
describe( 'Siblings', function() {
function getSibs() {
var el = div.querySelector( 'svg' );
return thePrintliminator.getSiblings( el );
}
it( 'finds the correct number of siblings', function() {
var len = getSibs().length;
// style, script, link, br and meta are ignored
expect( len ).toEqual( 11 );
});
it( 'finds the correct siblings using `filterElements`', function() {
var i,
ignoredElm = window.thePrintliminator.ignoredElm,
valid = true,
sibs = getSibs(),
len = sibs.length;
for ( i = 0; i < len; i++ ) {
expect( ignoredElm.test( sibs[ i ].nodeName ) ).not.toBe( true );
}
});
});
describe( 'Opposite', function() {
it( 'finds opposites of selected element', function() {
var el = div.querySelector( '#opposite' ),
opposites = thePrintliminator.getOpposite( el ),
len = opposites.length;
// getOpposite traverses up to the BODY element
expect( len ).toEqual( 2 );
expect( opposites[ 0 ].id ).toBe( 'opposite2' );
expect( opposites[ 1 ].id ).toBe( 'graphics' );
});
});
describe( 'Next', function() {
function getNext( el ) {
return thePrintliminator.getNext( el );
};
it( 'finds the correct first element', function() {
var elm = getNext( div.querySelector( '#opposite' ) );
// style, script, link, br and meta are ignored
expect( elm.id ).toBe( 'opposite2' );
});
it( 'finds the correct second element', function() {
var elm = getNext( div.querySelector( '#item1' ) );
// style, script, link, br and meta are ignored
expect( elm.id ).toBe( 'item2' );
});
it( 'finds the correct third element', function() {
var elm = getNext( div.querySelector( '#item2' ) );
// style, script, link, br and meta are ignored
expect( elm.id ).toBe( 'item3' );
});
});
describe( 'Prev', function() {
function getPrev( el ) {
return thePrintliminator.getPrev( el );
};
it( 'finds the correct first element', function() {
var elm = getPrev( div.querySelector( '#opposite2' ) );
// style, script, link, br and meta are ignored
expect( elm.id ).toBe( 'opposite' );
});
it( 'finds the correct second element', function() {
var elm = getPrev( div.querySelector( '#item3' ) );
// style, script, link, br and meta are ignored
expect( elm.id ).toBe( 'item2' );
});
it( 'finds the correct third element', function() {
var elm = getPrev( div.querySelector( '#item2' ) );
// style, script, link, br and meta are ignored
expect( elm.id ).toBe( 'item1' );
});
});
describe( 'First Child', function() {
function getChild( el ) {
return thePrintliminator.getFirstChild( el );
};
it( 'finds the correct first child', function() {
var elm = getChild( div.querySelector( '#opposite2' ) );
expect( elm.id ).toBe( 'item1' );
});
it( 'finds the correct second element', function() {
var elm = getChild( div.querySelector( '#graphics' ) );
expect( elm.nodeName ).toBe( 'AUDIO' );
});
});
describe( 'Remove Graphics', function() {
// test printliminator without initializing
window.thePrintliminator.messageOptions = false;
window.thePrintliminatorVars = {
init : true,
history : [],
messageCache : [],
flags : {
removeGraphics: false
}
};
it( 'correctly removes all graphic elements', function() {
thePrintliminator.removeGraphics( null, div );
var i,
// elements ignored while traversing
ignoredElm = window.thePrintliminator.ignoredElm,
// detecting phantomJS
isPhantom = navigator.userAgent.toLowerCase().indexOf( 'phantom' ) !== -1,
items = div.querySelectorAll( '.' + window.thePrintliminator.css.hidden ),
len = items.length;
/*
CHEATING HERE!!
PhantomJS doesn't appear to want to add the hidden class to the SVG element
correctly. It might be related to this issue:
https://github.com/ariya/phantomjs/issues/11281
- When the SpecRunner.html is run, it finds 9 elements with SVG being the last
- When grunt jasmine is run, it finds 8 elements with IMG being the last
*/
expect( len ).toEqual( isPhantom ? 8 : 9 );
for ( i = 0; i < len; i++ ) {
expect( ignoredElm.test( items[ i ].nodeName ) ).not.toBe( true );
}
});
});
});
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