mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-12-18 02:40:50 +00:00
83 lines
2.4 KiB
JavaScript
83 lines
2.4 KiB
JavaScript
QUnit.module( 'ext.echo.dm - PaginationModel' );
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QUnit.test.each( 'Constructing the model', {
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'Empty config': {
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config: {},
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expected: {}
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},
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'Overriding defaults': {
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config: {
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pageNext: 'continueValNext|123',
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itemsPerPage: 10
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},
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expected: {
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getNextPageContinue: 'continueValNext|123',
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hasNextPage: true,
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getItemsPerPage: 10,
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getCurrentPageItemCount: 10
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}
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}
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}, ( assert, data ) => {
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const defaultValues = {
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getPageContinue: undefined,
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getCurrPageIndex: 0,
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getPrevPageContinue: '',
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getCurrPageContinue: '',
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getNextPageContinue: '',
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hasPrevPage: false,
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hasNextPage: false,
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getCurrentPageItemCount: 25,
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getItemsPerPage: 25
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};
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const expected = $.extend( true, {}, defaultValues, data.expected );
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const model = new mw.echo.dm.PaginationModel( data.config );
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for ( const method in expected ) {
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assert.deepEqual(
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// Run the method
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model[ method ](),
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// Expected value
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expected[ method ],
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// Message
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method
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);
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}
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} );
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QUnit.test( 'Emitting update event', ( assert ) => {
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const results = [];
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const model = new mw.echo.dm.PaginationModel();
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// Listen to update event
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model.on( 'update', () => {
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results.push( [
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model.getCurrPageIndex(),
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model.hasNextPage()
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] );
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} );
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// Trigger events
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// Set up initial pages (first page is 0)
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model.setPageContinue( 1, 'page2|2' ); // [ [ 0, true ] ]
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model.setPageContinue( 2, 'page3|3' ); // [ [ 0, true ], [ 0, true ] ]
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model.setPageContinue( 3, 'page4|4' ); // [ [ 0, true ], [ 0, true ], [ 0, true ] ]
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model.forwards(); // [ [ 0, true ], [ 0, true ], [ 0, true ], [ 1, true ] ]
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model.forwards(); // [ [ 0, true ], [ 0, true ], [ 0, true ], [ 1, true ], [ 2, true ] ]
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model.forwards(); // [ [ 0, true ], [ 0, true ], [ 0, true ], [ 1, true ], [ 2, true ], [ 3, false ] ]
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model.backwards(); // [ [ 0, true ], [ 0, true ], [ 0, true ], [ 1, true ], [ 2, true ], [ 3, false ], [ 2, true ] ]
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model.setCurrentPageItemCount(); // [ [ 0, true ], [ 0, true ], [ 0, true ], [ 1, true ], [ 2, true ], [ 3, false ], [ 2, true ], [ 2, true ] ]
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model.reset(); // [ [ 0, true ], [ 0, true ], [ 0, true ], [ 1, true ], [ 2, true ], [ 3, false ], [ 2, true ], [ 2, true ], [ 0, false ] ]
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assert.deepEqual(
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// Actual
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results,
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// Expected:
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[ [ 0, true ], [ 0, true ], [ 0, true ], [ 1, true ], [ 2, true ], [ 3, false ], [ 2, true ], [ 2, true ], [ 0, false ] ],
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// Message
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'Update events emitted'
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);
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} );
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