mediawiki-extensions-Multim.../tests/qunit/mmv/mmv.lightboxinterface.test.js
Prateek Saxena 45110a7090 Use <button> instead of <div>
* Buttons are semantically better.
* Neither <div> nor <button> elements can have the 'alt' attribute
  so switching to 'title' instead.

Reverts parts of I6ea62124018b1a0ec5110bb500f690cb2368f102.

Bug: T58471
Change-Id: I991b40d3387f8d6dd7cdad8ccc5cc9660b9f139a
2017-03-22 12:06:15 +05:30

291 lines
11 KiB
JavaScript

( function ( mw, $ ) {
var oldScrollTo;
function stubScrollTo() {
oldScrollTo = $.scrollTo;
$.scrollTo = function () { return { scrollTop: $.noop, on: $.noop, off: $.noop }; };
}
function restoreScrollTo() {
$.scrollTo = oldScrollTo;
}
QUnit.module( 'mmv.lightboxInterface', QUnit.newMwEnvironment( {
setup: function () {
// animation would keep running, conflict with other tests
this.sandbox.stub( $.fn, 'animate' ).returnsThis();
}
} ) );
QUnit.test( 'Sanity test, object creation and ui construction', 20, function ( assert ) {
var lightbox = new mw.mmv.LightboxInterface();
stubScrollTo();
function checkIfUIAreasAttachedToDocument( inDocument ) {
var msg = ( inDocument === 1 ? ' ' : ' not ' ) + 'attached.';
assert.strictEqual( $( '.mw-mmv-wrapper' ).length, inDocument, 'Wrapper area' + msg );
assert.strictEqual( $( '.mw-mmv-main' ).length, inDocument, 'Main area' + msg );
assert.strictEqual( $( '.mw-mmv-title' ).length, inDocument, 'Title area' + msg );
assert.strictEqual( $( '.mw-mmv-credit' ).length, inDocument, 'Author/source area' + msg );
assert.strictEqual( $( '.mw-mmv-image-desc' ).length, inDocument, 'Description area' + msg );
assert.strictEqual( $( '.mw-mmv-image-links' ).length, inDocument, 'Links area' + msg );
}
// UI areas not attached to the document yet.
checkIfUIAreasAttachedToDocument( 0 );
// Attach lightbox to testing fixture to avoid interference with other tests.
lightbox.attach( '#qunit-fixture' );
// UI areas should now be attached to the document.
checkIfUIAreasAttachedToDocument( 1 );
// Check that the close button on the lightbox still follow the spec (being visible right away)
assert.strictEqual( $( '#qunit-fixture .mw-mmv-close' ).length, 1, 'There should be a close button' );
assert.ok( $( '#qunit-fixture .mw-mmv-close' ).is( ':visible' ), 'The close button should be visible' );
// Unattach lightbox from document
lightbox.unattach();
// UI areas not attached to the document anymore.
checkIfUIAreasAttachedToDocument( 0 );
restoreScrollTo();
} );
QUnit.test( 'Handler registration and clearance work OK', 2, function ( assert ) {
var lightbox = new mw.mmv.LightboxInterface(),
handlerCalls = 0;
function handleEvent() {
handlerCalls++;
}
lightbox.handleEvent( 'test', handleEvent );
$( document ).trigger( 'test' );
assert.strictEqual( handlerCalls, 1, 'The handler was called when we triggered the event.' );
lightbox.clearEvents();
$( document ).trigger( 'test' );
assert.strictEqual( handlerCalls, 1, 'The handler was not called after calling lightbox.clearEvents().' );
} );
QUnit.test( 'Fullscreen mode', 8, function ( assert ) {
var lightbox = new mw.mmv.LightboxInterface(),
oldFnEnterFullscreen = $.fn.enterFullscreen,
oldFnExitFullscreen = $.fn.exitFullscreen,
oldSupportFullscreen = $.support.fullscreen;
// Since we don't want these tests to really open fullscreen
// which is subject to user security confirmation,
// we use a mock that pretends regular jquery.fullscreen behavior happened
$.fn.enterFullscreen = mw.mmv.testHelpers.enterFullscreenMock;
$.fn.exitFullscreen = mw.mmv.testHelpers.exitFullscreenMock;
stubScrollTo();
lightbox.buttons.fadeOut = $.noop;
// Attach lightbox to testing fixture to avoid interference with other tests.
lightbox.attach( '#qunit-fixture' );
$.support.fullscreen = false;
lightbox.setupCanvasButtons();
assert.strictEqual( lightbox.$fullscreenButton.css( 'display' ), 'none',
'Fullscreen button is hidden when fullscreen mode is unavailable' );
$.support.fullscreen = true;
lightbox.setupCanvasButtons();
assert.strictEqual( lightbox.$fullscreenButton.css( 'display' ), 'inline-block',
'Fullscreen button is visible when fullscreen mode is available' );
// Entering fullscreen
lightbox.$fullscreenButton.click();
assert.strictEqual( lightbox.$main.hasClass( 'jq-fullscreened' ), true,
'Fullscreened area has the fullscreen class' );
assert.strictEqual( lightbox.isFullscreen, true, 'Lightbox knows it\'s in fullscreen mode' );
// Exiting fullscreen
lightbox.$fullscreenButton.click();
assert.strictEqual( lightbox.$main.hasClass( 'jq-fullscreened' ), false,
'Fullscreened area doesn\'t have the fullscreen class anymore' );
assert.strictEqual( lightbox.isFullscreen, false, 'Lightbox knows it\'s not in fullscreen mode' );
// Entering fullscreen
lightbox.$fullscreenButton.click();
// Hard-exiting fullscreen
lightbox.$closeButton.click();
// Re-attach after hard-exit
lightbox.attach( '#qunit-fixture' );
assert.strictEqual( lightbox.$main.hasClass( 'jq-fullscreened' ), false,
'Fullscreened area doesn\'t have the fullscreen class anymore' );
assert.strictEqual( lightbox.isFullscreen, false, 'Lightbox knows it\'s not in fullscreen mode' );
// Unattach lightbox from document
lightbox.unattach();
$.fn.enterFullscreen = oldFnEnterFullscreen;
$.fn.exitFullscreen = oldFnExitFullscreen;
$.support.fullscreen = oldSupportFullscreen;
restoreScrollTo();
} );
QUnit.test( 'Fullscreen mode', 8, function ( assert ) {
var buttonOffset, panelBottom,
oldRevealButtonsAndFadeIfNeeded,
lightbox = new mw.mmv.LightboxInterface(),
viewer = mw.mmv.testHelpers.getMultimediaViewer(),
oldFnEnterFullscreen = $.fn.enterFullscreen,
oldFnExitFullscreen = $.fn.exitFullscreen;
stubScrollTo();
// ugly hack to avoid preloading which would require lightbox list being set up
viewer.preloadDistance = -1;
// Since we don't want these tests to really open fullscreen
// which is subject to user security confirmation,
// we use a mock that pretends regular jquery.fullscreen behavior happened
$.fn.enterFullscreen = mw.mmv.testHelpers.enterFullscreenMock;
$.fn.exitFullscreen = mw.mmv.testHelpers.exitFullscreenMock;
// Attach lightbox to testing fixture to avoid interference with other tests.
lightbox.attach( '#qunit-fixture' );
viewer.ui = lightbox;
viewer.ui = lightbox;
assert.ok( !lightbox.isFullscreen, 'Lightbox knows that it\'s not in fullscreen mode' );
assert.ok( lightbox.panel.$imageMetadata.is( ':visible' ), 'Image metadata is visible' );
lightbox.buttons.fadeOut = function () {
assert.ok( true, 'Opening fullscreen triggers a fadeout' );
};
// Pretend that the mouse cursor is on top of the button
buttonOffset = lightbox.buttons.$fullscreen.offset();
lightbox.mousePosition = { x: buttonOffset.left, y: buttonOffset.top };
// Enter fullscreen
lightbox.buttons.$fullscreen.click();
lightbox.buttons.fadeOut = $.noop;
assert.ok( lightbox.isFullscreen, 'Lightbox knows that it\'s in fullscreen mode' );
oldRevealButtonsAndFadeIfNeeded = lightbox.buttons.revealAndFade;
lightbox.buttons.revealAndFade = function ( position ) {
assert.ok( true, 'Moving the cursor triggers a reveal + fade' );
oldRevealButtonsAndFadeIfNeeded.call( this, position );
};
// Pretend that the mouse cursor moved to the top-left corner
lightbox.mousemove( { pageX: 0, pageY: 0 } );
lightbox.buttons.revealAndFadeIfNeeded = $.noop;
panelBottom = $( '.mw-mmv-post-image' ).position().top + $( '.mw-mmv-post-image' ).height();
assert.ok( panelBottom === $( window ).height(), 'Image metadata does not extend beyond the viewport' );
// Exiting fullscreen
lightbox.buttons.$fullscreen.click();
panelBottom = $( '.mw-mmv-post-image' ).position().top + $( '.mw-mmv-post-image' ).height();
assert.ok( panelBottom > $( window ).height(), 'Image metadata extends beyond the viewport' );
assert.ok( !lightbox.isFullscreen, 'Lightbox knows that it\'s not in fullscreen mode' );
// Unattach lightbox from document
lightbox.unattach();
$.fn.enterFullscreen = oldFnEnterFullscreen;
$.fn.exitFullscreen = oldFnExitFullscreen;
restoreScrollTo();
} );
QUnit.test( 'isAnyActiveButtonHovered', 35, function ( assert ) {
var lightbox = new mw.mmv.LightboxInterface();
stubScrollTo();
// Attach lightbox to testing fixture to avoid interference with other tests.
lightbox.attach( '#qunit-fixture' );
$.each( lightbox.buttons.$buttons, function ( idx, e ) {
var $e = $( e ),
offset = $e.show().offset(),
width = $e.width(),
height = $e.height(),
disabled = $e.hasClass( 'disabled' );
assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered( offset.left, offset.top ),
!disabled,
'Hover detection works for top-left corner of element' );
assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered( offset.left + width, offset.top ),
!disabled,
'Hover detection works for top-right corner of element' );
assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered( offset.left, offset.top + height ),
!disabled,
'Hover detection works for bottom-left corner of element' );
assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered( offset.left + width, offset.top + height ),
!disabled,
'Hover detection works for bottom-right corner of element' );
assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered(
offset.left + ( width / 2 ), offset.top + ( height / 2 ) ),
!disabled,
'Hover detection works for center of element' );
} );
// Unattach lightbox from document
lightbox.unattach();
restoreScrollTo();
} );
QUnit.test( 'Keyboard prev/next', 2, function ( assert ) {
var viewer = mw.mmv.testHelpers.getMultimediaViewer(),
lightbox = new mw.mmv.LightboxInterface();
viewer.setupEventHandlers();
// Since we define both, the test works regardless of RTL settings
lightbox.on( 'next', function () {
assert.ok( true, 'Next image was open' );
} );
lightbox.on( 'prev', function () {
assert.ok( true, 'Prev image was open' );
} );
// 37 is left arrow, 39 is right arrow
lightbox.keydown( $.Event( 'keydown', { which: 37 } ) );
lightbox.keydown( $.Event( 'keydown', { which: 39 } ) );
lightbox.off( 'next' ).on( 'next', function () {
assert.ok( false, 'Next image should not have been open' );
} );
lightbox.off( 'prev' ).on( 'prev', function () {
assert.ok( false, 'Prev image should not have been open' );
} );
lightbox.keydown( $.Event( 'keydown', { which: 37, altKey: true } ) );
lightbox.keydown( $.Event( 'keydown', { which: 39, altKey: true } ) );
lightbox.keydown( $.Event( 'keydown', { which: 37, ctrlKey: true } ) );
lightbox.keydown( $.Event( 'keydown', { which: 39, ctrlKey: true } ) );
lightbox.keydown( $.Event( 'keydown', { which: 37, shiftKey: true } ) );
lightbox.keydown( $.Event( 'keydown', { which: 39, shiftKey: true } ) );
lightbox.keydown( $.Event( 'keydown', { which: 37, metaKey: true } ) );
lightbox.keydown( $.Event( 'keydown', { which: 39, metaKey: true } ) );
viewer.cleanupEventHandlers();
} );
}( mediaWiki, jQuery ) );