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Tests: Improve offset test setup and labels

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Hopefully this fixes iOS testing: http://swarm.jquery.org/job/5226

Ref 1d2df772b4
Closes gh-3641
This commit is contained in:
Richard Gibson 2017-04-24 21:44:51 -04:00 committed by GitHub
parent a16339b893
commit 9e121482a5
3 changed files with 32 additions and 35 deletions
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1
test/data/iframeTest.js
View File

@ -1,4 +1,3 @@
window.startIframeTest = function() {
var args = Array.prototype.slice.call( arguments );

1
test/data/testinit.js
View File

@ -236,6 +236,7 @@ this.testIframe = function( title, fileName, func ) {
var iframe;
var done = assert.async();
// Test iframes are expected to invoke this via startIframeTest (cf. iframeTest.js)
window.iframeCallback = function() {
var args = Array.prototype.slice.call( arguments );

65
test/unit/offset.js
View File

@ -4,28 +4,45 @@ if ( !jQuery.fn.offset ) {
return;
}
var supportsScroll, supportsFixedPosition,
forceScroll = jQuery( "<div/>" ).css( { width: 2000, height: 2000 } ),
checkSupport = function() {
var supportsFixedPosition, supportsScroll, alwaysScrollable,
forceScroll = supportjQuery( "<div/>" ).css( { width: 2000, height: 2000 } ),
checkSupport = function( assert ) {
// Only run once
checkSupport = false;
var checkFixed = jQuery( "<div/>" ).css( { position: "fixed", top: "20px" } ).appendTo( "#qunit-fixture" );
var checkFixed = supportjQuery( "<div/>" )
.css( { position: "fixed", top: "20px" } )
.appendTo( "#qunit-fixture" );
supportsFixedPosition = checkFixed[ 0 ].offsetTop === 20;
checkFixed.remove();
// Must append to body because #qunit-fixture is hidden and elements inside it don't have a scrollTop
// Append forceScroll to the body instead of #qunit-fixture because the latter is hidden
forceScroll.appendTo( "body" );
window.scrollTo( 200, 200 );
supportsScroll = document.documentElement.scrollTop || document.body.scrollTop;
forceScroll.detach();
supportsFixedPosition = checkFixed[ 0 ].offsetTop === 20;
checkFixed.remove();
// Support: iOS <=7
// Hijack the iframe test infrastructure to detect viewport scrollability
// for pages with position:fixed document element
var done = assert.async(),
$iframe = supportjQuery( "<iframe/>" )
.css( { position: "absolute", width: "50px", left: "-60px" } )
.attr( "src", url( "./data/offset/boxes.html" ) );
window.iframeCallback = function( $, win, doc ) {
doc.documentElement.style.position = "fixed";
alwaysScrollable = win.pageXOffset !== 0;
window.iframeCallback = undefined;
$iframe.remove();
done();
};
$iframe.appendTo( document.body );
};
QUnit.module( "offset", { setup: function() {
QUnit.module( "offset", { setup: function( assert ) {
if ( typeof checkSupport === "function" ) {
checkSupport();
checkSupport( assert );
}
// Force a scroll value on the main window to ensure incorrect results
@ -532,29 +549,7 @@ QUnit.test( "chaining", function( assert ) {
512, 256, 1024, 512, 2048, 1024, position,
position !== "fixed" && "documentElement" );
},
viewportScroll = { top: 2, left: 1 },
alwaysScrollable = false;
// Support: iOS <=7
// Detect viewport scrollability for pages with position:fixed document element
( function() {
var $iframe = jQuery( "<iframe/>" )
.css( { position: "absolute", width: "50px", left: "-60px" } )
.attr( "src", url( "./data/offset/boxes.html" ) );
// Hijack the iframe test infrastructure
window.iframeCallback = function( $, win, doc ) {
doc.documentElement.style.position = "fixed";
alwaysScrollable = win.pageXOffset !== 0;
window.iframeCallback = undefined;
$iframe.remove();
return;
};
$iframe.appendTo( document.body );
return;
} )();
viewportScroll = { top: 2, left: 1 };
function getExpectations( htmlPos, bodyPos ) {
@ -676,7 +671,8 @@ QUnit.test( "chaining", function( assert ) {
assert.deepEqual(
supportjQuery.extend( {}, $( "#" + id ).offset() ),
descriptor.offset,
"jQuery('#" + id + "').offset()" );
"jQuery('#" + id + "').offset(): top " + descriptor.offset.top +
", left " + descriptor.offset.left );
} );
// Verify expected relative position
@ -684,7 +680,8 @@ QUnit.test( "chaining", function( assert ) {
assert.deepEqual(
supportjQuery.extend( {}, $( "#" + id ).position() ),
descriptor.pos,
"jQuery('#" + id + "').position()" );
"jQuery('#" + id + "').position(): top " + descriptor.pos.top +
", left " + descriptor.pos.left );
} );
// Verify that values round-trip