/*
 * 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 { TruncatableTextField } = require( 'mmv' );

QUnit.module( 'mmv.ui.TruncatableTextField', QUnit.newMwEnvironment() );

/**
 * Create a textfield that can contain exactly width x height characters
 *
 * @param {number} width
 * @param {number} height
 * @param {jQuery} $qf fixture element
 * @param {Object} sandbox sinon instance
 * @return {TruncatableTextField}
 */
function getField( width, height, $qf ) {
	const $container = $( '<div>' ).appendTo( $qf );
	const $element = $( '<span>' );
	const ttf = new TruncatableTextField( $container, $element, {} );

	$container.css( {
		fontFamily: 'monospace',
		lineHeight: 1,
		width: width + 'ch',
		height: height + 'em'
	} );

	return ttf;
}

QUnit.test( 'Normal constructor', ( assert ) => {
	const $container = $( '#qunit-fixture' );
	const $element = $( '<div>' ).appendTo( $container ).text( 'This is a unique string.' );
	const ttf = new TruncatableTextField( $container, $element );

	assert.strictEqual( ttf.$element.text(), 'This is a unique string.', 'The constructor set the element to the right thing.' );
	assert.strictEqual( ttf.$element.closest( '#qunit-fixture' ).length, 1, 'The constructor put the element into the container.' );
} );

QUnit.test( 'Set method', function ( assert ) {
	const $qf = $( '#qunit-fixture' );
	const ttf = getField( 3, 2, $qf );

	ttf.shrink = this.sandbox.stub();
	ttf.set( 'abc' );
	assert.strictEqual( ttf.$element.text(), 'abc', 'Text is set accurately.' );
} );
