mediawiki-extensions-Multim.../tests/qunit/mmv/ui/mmv.ui.canvas.test.js
TheDJ 5b89420182 Revert "Add position handling to URLs"
This reverts commit de56d4a6de.

Reason for revert: breaks resize handler. Lets revert before branch cut.

Change-Id: I1e4d57d8384ab434f17968100f8bea1bf90c40ff
2024-05-20 20:51:59 +00:00

283 lines
9.8 KiB
JavaScript

/*
* This file is part of the MediaWiki extension MediaViewer.
*
* MediaViewer is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* MediaViewer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MediaViewer. If not, see <http://www.gnu.org/licenses/>.
*/
const { Canvas, LightboxImage } = require( 'mmv' );
( function () {
QUnit.module( 'mmv.ui.Canvas', QUnit.newMwEnvironment() );
QUnit.test( 'Constructor sense check', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const canvas = new Canvas( $qf, $qf, $qf );
assert.strictEqual( canvas.$imageDiv.length, 1, 'Image container is created.' );
assert.strictEqual( canvas.$imageWrapper, $qf, '$imageWrapper is set correctly.' );
assert.strictEqual( canvas.$mainWrapper, $qf, '$mainWrapper is set correctly.' );
} );
QUnit.test( 'empty() and set()', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const canvas = new Canvas( $qf );
const image = new Image();
const $imageElem = $( image );
const imageRawMetadata = new LightboxImage( 'foo.png' );
canvas.empty();
assert.strictEqual( canvas.$imageDiv.html(), '', 'Canvas is empty.' );
assert.strictEqual( canvas.$imageDiv.hasClass( 'empty' ), true, 'Canvas is not visible.' );
canvas.set( imageRawMetadata, $imageElem );
assert.strictEqual( canvas.$image, $imageElem, 'Image element set correctly.' );
assert.strictEqual( canvas.imageRawMetadata, imageRawMetadata, 'Raw metadata set correctly.' );
assert.strictEqual( canvas.$imageDiv.html(), '<img>', 'Image added to container.' );
assert.strictEqual( canvas.$imageDiv.hasClass( 'empty' ), false, 'Canvas is visible.' );
canvas.empty();
assert.strictEqual( canvas.$imageDiv.html(), '', 'Canvas is empty.' );
assert.strictEqual( canvas.$imageDiv.hasClass( 'empty' ), true, 'Canvas is not visible.' );
} );
QUnit.test( 'setImageAndMaxDimensions()', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const $mainWrapper = $( '<div>' ).appendTo( $qf );
const $innerWrapper = $( '<div>' ).appendTo( $mainWrapper );
const $imageWrapper = $( '<div>' ).appendTo( $innerWrapper );
const canvas = new Canvas( $innerWrapper, $imageWrapper, $mainWrapper );
const imageRawMetadata = new LightboxImage( 'foo.png' );
const image = new Image();
const $imageElem = $( image );
const image2 = new Image();
let thumbnailWidth = 10;
const screenWidth = 100;
// Need to call set() before using setImageAndMaxDimensions()
canvas.set( imageRawMetadata, $imageElem );
const originalWidth = image.width;
// Call with the same image
canvas.setImageAndMaxDimensions(
{ width: thumbnailWidth },
image,
{ cssWidth: screenWidth }
);
assert.strictEqual( image.width, originalWidth, 'Image width was not modified.' );
assert.strictEqual( canvas.$image, $imageElem, 'Image element still set correctly.' );
const $currentImage = canvas.$image;
// Call with a new image bigger than screen size
thumbnailWidth = 150;
canvas.setImageAndMaxDimensions(
{ width: thumbnailWidth },
image2,
{ cssWidth: screenWidth }
);
assert.strictEqual( image2.width, screenWidth, 'Image width was trimmed correctly.' );
assert.notStrictEqual( canvas.$image, $currentImage, 'Image element switched correctly.' );
} );
QUnit.test( 'maybeDisplayPlaceholder: Constrained area for SVG files', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const imageRawMetadata = new LightboxImage( 'foo.svg' );
const canvas = new Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () {
return 'svg';
}
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.true( false, 'Placeholder is not shown' );
};
const $image = $( '<img>' ).width( 10 ).height( 5 );
const blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 200, height: 100 },
$image,
{ cssWidth: 300, cssHeight: 150 }
);
assert.strictEqual( $image.width(), 10, 'Placeholder width was not set to max' );
assert.strictEqual( $image.height(), 5, 'Placeholder height was not set to max' );
assert.strictEqual( $image.hasClass( 'blurred' ), false, 'Placeholder is not blurred' );
assert.strictEqual( blurredThumbnailShown, false, 'Placeholder state is correct' );
} );
QUnit.test( 'maybeDisplayPlaceholder: placeholder big enough that it doesn\'t need blurring, actual image bigger than the lightbox', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const imageRawMetadata = new LightboxImage( 'foo.png' );
const canvas = new Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () {
return 'png';
}
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.true( true, 'Placeholder shown' );
};
const $image = $( '<img>' ).width( 200 ).height( 100 );
const blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 1000, height: 500 },
$image,
{ cssWidth: 300, cssHeight: 150 }
);
assert.strictEqual( $image.width(), 300, 'Placeholder has the right width' );
assert.strictEqual( $image.height(), 150, 'Placeholder has the right height' );
assert.strictEqual( $image.hasClass( 'blurred' ), false, 'Placeholder is not blurred' );
assert.strictEqual( blurredThumbnailShown, false, 'Placeholder state is correct' );
} );
QUnit.test( 'maybeDisplayPlaceholder: big-enough placeholder that needs blurring, actual image bigger than the lightbox', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const imageRawMetadata = new LightboxImage( 'foo.png' );
const canvas = new Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () {
return 'png';
}
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.true( true, 'Placeholder shown' );
};
const $image = $( '<img>' ).width( 100 ).height( 50 );
const blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 1000, height: 500 },
$image,
{ cssWidth: 300, cssHeight: 150 }
);
assert.strictEqual( $image.width(), 300, 'Placeholder has the right width' );
assert.strictEqual( $image.height(), 150, 'Placeholder has the right height' );
assert.strictEqual( $image.hasClass( 'blurred' ), true, 'Placeholder is blurred' );
assert.strictEqual( blurredThumbnailShown, true, 'Placeholder state is correct' );
} );
QUnit.test( 'maybeDisplayPlaceholder: big-enough placeholder that needs blurring, actual image smaller than the lightbox', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const imageRawMetadata = new LightboxImage( 'foo.png' );
const canvas = new Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () {
return 'png';
}
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.true( true, 'Placeholder shown' );
};
const $image = $( '<img>' ).width( 100 ).height( 50 );
const blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 1000, height: 500 },
$image,
{ cssWidth: 1200, cssHeight: 600 }
);
assert.strictEqual( $image.width(), 1000, 'Placeholder has the right width' );
assert.strictEqual( $image.height(), 500, 'Placeholder has the right height' );
assert.strictEqual( $image.hasClass( 'blurred' ), true, 'Placeholder is blurred' );
assert.strictEqual( blurredThumbnailShown, true, 'Placeholder state is correct' );
} );
QUnit.test( 'maybeDisplayPlaceholder: placeholder too small to be displayed, actual image bigger than the lightbox', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const imageRawMetadata = new LightboxImage( 'foo.png' );
const canvas = new Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () {
return 'png';
}
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.true( false, 'Placeholder shown when it should not' );
};
const $image = $( '<img>' ).width( 10 ).height( 5 );
const blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 1000, height: 500 },
$image,
{ cssWidth: 300, cssHeight: 150 }
);
assert.strictEqual( $image.width(), 10, 'Placeholder has the right width' );
assert.strictEqual( $image.height(), 5, 'Placeholder has the right height' );
assert.strictEqual( $image.hasClass( 'blurred' ), false, 'Placeholder is not blurred' );
assert.strictEqual( blurredThumbnailShown, false, 'Placeholder state is correct' );
} );
QUnit.test( 'unblurWithAnimation', function ( assert ) {
const $qf = $( '#qunit-fixture' );
const canvas = new Canvas( $qf );
const oldAnimate = $.fn.animate;
$.fn.animate = function ( target, options ) {
if ( options ) {
if ( options.step ) {
for ( const key in target ) {
options.step.call( this, target[ key ] /* , tween object */ );
}
}
if ( options.complete ) {
options.complete.call( this );
}
}
};
canvas.$image = $( '<img>' );
canvas.unblurWithAnimation();
assert.true( !canvas.$image.css( '-webkit-filter' ) || !canvas.$image.css( '-webkit-filter' ).length,
'Image has no -webkit-filter left' );
assert.true( !canvas.$image.css( 'filter' ) || !canvas.$image.css( 'filter' ).length || canvas.$image.css( 'filter' ) === 'none',
'Image has no filter left' );
assert.strictEqual( parseInt( canvas.$image.css( 'opacity' ), 10 ), 1,
'Image is fully opaque' );
assert.strictEqual( canvas.$image.hasClass( 'blurred' ), false, 'Image has no "blurred" class' );
$.fn.animate = oldAnimate;
} );
}() );