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fix fragment events not firing in scroll view + add tests #3580

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Hakim El Hattab
2024-02-26 10:54:16 +01:00
parent 66fa4350e1
commit 8efd7af37c
6 changed files with 78 additions and 31 deletions
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61
test/test-scroll.html
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@@ -97,14 +97,61 @@
return new Promise( resolve => {
let callback = ( event ) => {
Reveal.off( 'slidechanged', callback );
assert.ok( true, 'slidechanged event fired' );
assert.ok( event.currentSlide.classList.contains( 'present' ), 'slidechanged provides reference to currentSlide' );
resolve();
}
Reveal.off( 'slidechanged', callback );
assert.ok( true, 'slidechanged event fired' );
assert.ok( event.currentSlide.classList.contains( 'present' ), 'slidechanged provides reference to currentSlide' );
resolve();
}
Reveal.on( 'slidechanged', callback );
Reveal.getViewportElement().scrollTop = getViewportHeight() * 2;
Reveal.on( 'slidechanged', callback );
Reveal.getViewportElement().scrollTop = getViewportHeight() * 2;
});
});
QUnit.test( 'Fires fragmentshown event when scrolling', assert => {
assert.timeout( 200 );
assert.expect( 2 );
const slides = document.querySelectorAll( '.reveal .slides section' );
return new Promise( resolve => {
let callback = ( event ) => {
Reveal.off( 'fragmentshown', callback );
assert.ok( true, 'fragmentshown event fired' );
assert.ok( event.fragments.length > 0, 'fragmentshown provides reference to fragment nodes' );
resolve();
}
Reveal.on( 'fragmentshown', callback );
Reveal.getViewportElement().scrollTop = 0;
Reveal.next();
Reveal.next();
Reveal.getViewportElement().scrollTop += getViewportHeight();
});
});
QUnit.test( 'Fires fragmenthidden event when scrolling', assert => {
assert.timeout( 200 );
assert.expect( 2 );
const slides = document.querySelectorAll( '.reveal .slides section' );
return new Promise( resolve => {
let callback = ( event ) => {
Reveal.off( 'fragmenthidden', callback );
assert.ok( true, 'fragmenthidden event fired' );
assert.ok( event.fragments.length > 0, 'fragmenthidden provides reference to fragment nodes' );
resolve();
}
Reveal.on( 'fragmenthidden', callback );
Reveal.getViewportElement().scrollTop = 0;
Reveal.next();
Reveal.next();
Reveal.next();
Reveal.getViewportElement().scrollTop -= getViewportHeight();
});
});