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linkTitle.test.js
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linkTitle.test.js
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import linkTitle from '../../../src/changeListeners/linkTitle';
QUnit.module( 'ext.popups/changeListeners/linkTitle', {
beforeEach() {
this.$link = $( '<a>' )
.attr( 'title', 'Foo' );
this.linkTitleChangeListener = linkTitle();
this.state = {
preview: {
enabled: { page: true },
activeLink: this.$link[ 0 ],
previewType: 'page'
}
};
// A helper method, which should make the following tests more easily
// readable.
this.whenTheLinkIsDwelledUpon = function () {
this.linkTitleChangeListener( undefined, this.state );
};
}
} );
QUnit.test( 'it should remove the title', function ( assert ) {
this.whenTheLinkIsDwelledUpon();
assert.strictEqual( this.$link.attr( 'title' ), '', 'The title is removed.' );
} );
QUnit.test( 'it shouldn\'t remove the title under certain conditions', function ( assert ) {
this.state.preview.enabled = { page: false };
this.whenTheLinkIsDwelledUpon();
assert.strictEqual(
this.$link.attr( 'title' ),
'Foo',
'The title is not removed.'
);
} );
QUnit.test( 'it should restore the title', function ( assert ) {
this.whenTheLinkIsDwelledUpon();
// Does the change listener guard against receiving many state tree updates
// with the same activeLink property?
let nextState = $.extend( true, {}, this.state );
this.linkTitleChangeListener( this.state, nextState );
this.state = nextState;
nextState = $.extend( true, {}, this.state );
delete nextState.preview.activeLink;
this.linkTitleChangeListener( this.state, nextState );
assert.strictEqual(
this.$link.attr( 'title' ),
'Foo',
'The title is restored.'
);
} );
QUnit.test( 'it should restore the title when the user dwells on another link immediately', function ( assert ) {
const $anotherLink = $( '<a>' ).attr( 'title', 'Bar' );
this.whenTheLinkIsDwelledUpon();
let nextState = $.extend( true, {}, this.state, {
preview: {
activeLink: $anotherLink[ 0 ]
}
} );
this.linkTitleChangeListener( this.state, nextState );
assert.strictEqual( this.$link.attr( 'title' ), 'Foo', 'The title is set.' );
assert.strictEqual(
$anotherLink.attr( 'title' ),
'',
'The title is removed.'
);
// ---
this.state = nextState;
nextState = $.extend( true, {}, nextState );
delete nextState.preview.activeLink;
this.linkTitleChangeListener( this.state, nextState );
assert.strictEqual(
$anotherLink.attr( 'title' ),
'Bar',
'It should restore the title of the other link.'
);
} );

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linkTitle.test.js (2 KB)

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