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Add units tests for scroll

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This commit is contained in:
Antoine Vandecreme 2013-11-01 17:37:19 -04:00
parent 7375ba9241
commit d853224c15
5 changed files with 185 additions and 21 deletions
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18
src/openseadragon.js
View File

@ -843,7 +843,7 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
/**
* Determines the page current scroll position.
* Determines the page's current scroll position.
* @function
* @name OpenSeadragon.getPageScroll
* @returns {Point}
@ -893,9 +893,9 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
window.scrollTo( scroll.x, scroll.y );
};
} else {
var currentScroll = $.getPageScroll();
if ( currentScroll.x === scroll.x &&
currentScroll.y === scroll.y ) {
var originalScroll = $.getPageScroll();
if ( originalScroll.x === scroll.x &&
originalScroll.y === scroll.y ) {
// We are already correctly positioned and there
// is no way to detect the correct method.
return;
@ -903,9 +903,9 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
document.body.scrollLeft = scroll.x;
document.body.scrollTop = scroll.y;
currentScroll = $.getPageScroll();
if ( currentScroll.x === scroll.x &&
currentScroll.y === scroll.y ) {
var currentScroll = $.getPageScroll();
if ( currentScroll.x !== originalScroll.x &&
currentScroll.y !== originalScroll.y ) {
$.setPageScroll = function( scroll ) {
document.body.scrollLeft = scroll.x;
document.body.scrollTop = scroll.y;
@ -916,8 +916,8 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
document.documentElement.scrollLeft = scroll.x;
document.documentElement.scrollTop = scroll.y;
currentScroll = $.getPageScroll();
if ( currentScroll.x === scroll.x &&
currentScroll.y === scroll.y ) {
if ( currentScroll.x !== originalScroll.x &&
currentScroll.y !== originalScroll.y ) {
$.setPageScroll = function( scroll ) {
document.documentElement.scrollLeft = scroll.x;
document.documentElement.scrollTop = scroll.y;

6
src/viewer.js
View File

@ -656,7 +656,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
return;
}
var recenterAfterFullPage = function() {
var registerRecenterAfterFullPageChange = function() {
if ( _this.viewport ) {
var oldBounds = _this.viewport.getBounds();
var oldCenter = _this.viewport.getCenter();
@ -696,7 +696,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
var exitFullPage = function() {
_this.raiseEvent( 'pre-full-page', { fullPage: false } );
recenterAfterFullPage();
registerRecenterAfterFullPageChange();
bodyStyle.margin = _this.bodyMargin;
docStyle.margin = _this.docMargin;
@ -753,7 +753,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
if ( fullPage ) {
this.raiseEvent( 'pre-full-page', { fullPage: true } );
recenterAfterFullPage();
registerRecenterAfterFullPageChange();
this.pageScroll = $.getPageScroll();

48
test/basic.js
View File

@ -180,16 +180,46 @@
ok(!$(viewer.element).hasClass('fullpage'),
'No fullpage class on div');
viewer.setFullPage(true);
ok(viewer.isFullPage(), 'Enabled fullpage');
ok($(viewer.element).hasClass('fullpage'),
'Fullpage class added to div');
var checkEnteringPreFullPage = function(event) {
viewer.removeHandler('pre-full-page', checkEnteringPreFullPage);
ok(event.fullPage, 'Switching to fullpage');
ok(!viewer.isFullPage(), 'Not yet fullpage');
};
viewer.setFullPage(false);
ok(!viewer.isFullPage(), 'Disabled fullpage');
ok(!$(viewer.element).hasClass('fullpage'),
'Fullpage class removed from div');
start();
var checkEnteringFullPage = function(event) {
viewer.removeHandler('full-page', checkEnteringFullPage);
ok(event.fullPage, 'Switched to fullpage');
ok(viewer.isFullPage(), 'Enabled fullpage');
ok($(viewer.element).hasClass('fullpage'),
'Fullpage class added to div');
var checkExitingPreFullPage = function(event) {
viewer.removeHandler('pre-full-page', checkExitingPreFullPage);
ok(!event.fullPage, 'Exiting fullpage');
ok(viewer.isFullPage(), 'Still fullpage');
};
var checkExitingFullPage = function(event) {
viewer.removeHandler('full-page', checkExitingFullPage);
ok(!event.fullPage, 'Exiting fullpage');
ok(!viewer.isFullPage(), 'Disabled fullpage');
ok(!$(viewer.element).hasClass('fullpage'),
'Fullpage class removed from div');
start();
};
viewer.addHandler("pre-full-page", checkExitingPreFullPage);
viewer.addHandler("full-page", checkExitingFullPage);
// Workaround: for some reason inside tests, the fullscreen
// mode is never activated, so disable it so that we can
// continue the tests.
OpenSeadragon.supportsFullScreen = false;
viewer.setFullPage(false);
};
viewer.addHandler("pre-full-page", checkEnteringPreFullPage);
viewer.addHandler("full-page", checkEnteringFullPage);
viewer.setFullPage(true);
});
viewer.open('/test/data/testpattern.dzi');

130
test/polyfills.js Normal file
View File

@ -0,0 +1,130 @@
/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */
( function() {
var origWidth, origHeight;
module( 'Polyfills', {
setup: function() {
origWidth = $( "body" ).width();
origHeight = $( "body" ).height();
$( "body" ).width( origWidth + 10000 );
$( "body" ).height( origHeight + 10000 );
$( document ).scrollLeft( 0 );
$( document ).scrollTop( 0 );
testLog.reset();
},
teardown: function() {
$( "body" ).width( origWidth );
$( "body" ).height( origHeight );
$( document ).scrollLeft( 0 );
$( document ).scrollTop( 0 );
}
} );
// ----------
test( 'pageScroll', function() {
// Test get
var originalGetPageScroll = OpenSeadragon.getPageScroll;
var scroll = OpenSeadragon.getPageScroll();
equal( scroll.x, 0, "Scroll should be 0 at beginning." );
equal( scroll.y, 0, "Scroll should be 0 at beginning." );
// If window.pageXOffset is not supported, the getPageScroll method should
// not have been redefined
if ( typeof ( window.pageXOffset ) != "number" ) {
equal( originalGetPageScroll, OpenSeadragon.getPageScroll,
"OpenSeadragon.getPageScroll must not be redefined when on 0,0" +
" and window API is not supported." );
} else {
notEqual( originalGetPageScroll, OpenSeadragon.getPageScroll,
"OpenSeadragon.getPageScroll must be redefined when window API " +
"is supported." );
}
$( document ).scrollLeft( 200 );
$( document ).scrollTop( 100 );
scroll = originalGetPageScroll();
equal( scroll.x, 200, "First call to getScroll." );
equal( scroll.y, 100, "First call to getScroll." );
$( document ).scrollLeft( 500 );
$( document ).scrollTop( 600 );
scroll = OpenSeadragon.getPageScroll();
equal( scroll.x, 500, "Second call to getScroll." );
equal( scroll.y, 600, "Second call to getScroll." );
// Test set, must be imperatively be done after tests for get to not
// break them.
var originalSetPageScroll = OpenSeadragon.setPageScroll;
$( document ).scrollLeft( 0 );
$( document ).scrollTop( 0 );
var scroll = new OpenSeadragon.Point( 0, 0 );
OpenSeadragon.setPageScroll( scroll );
equal( $( document ).scrollLeft(), 0, "First call to 0,0 while already on 0,0." );
equal( $( document ).scrollTop(), 0, "First call to 0,0 while already on 0,0." );
// If window.pageXOffset is not supported, the getPageScroll method should
// not have been redefined
if ( typeof ( window.scrollTo ) === "undefined" ) {
equal( originalSetPageScroll, OpenSeadragon.setPageScroll,
"OpenSeadragon.setPageScroll must not be redefined when not moving." );
} else {
notEqual( originalSetPageScroll, OpenSeadragon.setPageScroll,
"OpenSeadragon.setPageScroll must be redefined when window API is supported." );
}
OpenSeadragon.setPageScroll = originalSetPageScroll;
$( document ).scrollLeft( 100 );
$( document ).scrollTop( 200 );
var scroll = new OpenSeadragon.Point( 100, 200 );
OpenSeadragon.setPageScroll( scroll );
equal( $( document ).scrollLeft(), 100, "First call to 100,200 while already on 100,200." );
equal( $( document ).scrollTop(), 200, "First call to 100,200 while already on 100,200." );
// If window.pageXOffset is not supported, the getPageScroll method should
// not have been redefined
if ( typeof ( window.scrollTo ) === "undefined" ) {
equal( originalSetPageScroll, OpenSeadragon.setPageScroll,
"OpenSeadragon.setPageScroll must not be redefined when not moving." );
} else {
notEqual( originalSetPageScroll, OpenSeadragon.setPageScroll,
"OpenSeadragon.setPageScroll must be redefined when window API is supported." );
}
OpenSeadragon.setPageScroll = originalSetPageScroll;
$( document ).scrollLeft( 20000 );
$( document ).scrollTop( 20000 );
var actualScrollLeft = $( document ).scrollLeft();
var actualScrollTop = $( document ).scrollTop();
$( document ).scrollLeft( 0 );
$( document ).scrollTop( 0 );
var scroll = new OpenSeadragon.Point( 20000, 20000 );
OpenSeadragon.setPageScroll( scroll );
equal( $( document ).scrollLeft(), actualScrollLeft, "First call to position above limits." );
equal( $( document ).scrollTop(), actualScrollTop, "First call to position above limits." );
notEqual( originalSetPageScroll, OpenSeadragon.setPageScroll,
"Even if outside scroll limits, OpenSeadragon.setPageScroll can be " +
"reassigned on first call." );
var currentSetPageScroll = OpenSeadragon.setPageScroll;
var scroll = new OpenSeadragon.Point( 200, 200 );
OpenSeadragon.setPageScroll( scroll );
equal( $( document ).scrollLeft(), 200, "Second call." );
equal( $( document ).scrollTop(), 200, "Second call." );
equal( currentSetPageScroll, OpenSeadragon.setPageScroll,
"OpenSeadragon.setPageScroll must not be reassigned after first call." );
} );
} )();

4
test/test.html
View File

@ -16,6 +16,10 @@
<script src="/test/lib/jquery.simulate.js"></script>
<script src="/build/openseadragon/openseadragon.min.js"></script>
<script src="/test/test.js"></script>
<!-- Polyfill must be inserted first because it is testing functions
reassignments which could be done by other test. -->
<script src="/test/polyfills.js"></script>
<script src="/test/basic.js"></script>
<script src="/test/navigator.js"></script>
<script src="/test/strings.js"></script>