jquery-ui/tests/unit/selectmenu/selectmenu_core.js

(function( $ ) {

module( "selectmenu: core" );

test("accessibility", function () {
	var links,
		element = $( "#speed" ).selectmenu(),
		button = element.selectmenu( "widget" ),
		menu = element.selectmenu( "menuWidget" );

	button.simulate( "focus" );
	links = menu.find( "li.ui-menu-item a" );

	expect(12 + links.length * 2);

	equal( button.attr( "role" ), "combobox", "button link role" );
	equal( button.attr( "aria-haspopup" ), "true", "button link aria-haspopup" );
	equal( button.attr( "aria-expanded" ), "false", "button link aria-expanded" );
	equal( button.attr( "aria-autocomplete" ), "list", "button link aria-autocomplete" );
	equal( button.attr( "aria-owns" ), menu.attr("id"), "button link aria-owns" );
	equal( 
		button.attr( "aria-labelledby" ), 
		links.eq( element[0].selectedIndex ).attr( "id" ), 
		"button link aria-labelledby" 
	);
	equal( button.attr( "tabindex" ), 0, "button link tabindex" );

	equal( menu.attr( "role" ), "listbox", "menu role" );
	equal( menu.attr( "aria-labelledby" ), button.attr( "id" ), "menu aria-labelledby" );
	equal( menu.attr( "aria-hidden" ), "true", "menu aria-hidden" );
	equal( menu.attr( "tabindex" ), 0, "menu tabindex" );
	equal( 
		menu.attr( "aria-activedescendant" ), 
		links.eq( element[ 0 ].selectedIndex ).attr( "id" ), 
		"menu aria-activedescendant" 
	);
	$.each( links, function( index ){
		equal( $( this ).attr( "role" ), "option", "menu link #" + index +" role" );
		equal( $( this ).attr( "tabindex" ), -1, "menu link #" + index +" tabindex" );
	});
});


$.each([
	{
		type: "default",
		selector: "#speed"
	},
	{
		type: "optgroups",
		selector: "#files"
	}
], function( i, settings ) {
	test( "state synchronization - after keydown on button - " + settings.type, function () {
		expect( 4 );

		var links,
			element = $( settings.selector ).selectmenu(),
			button = element.selectmenu( "widget" ),
			menu = element.selectmenu( "menuWidget" ),
			selected = element.find( "option:selected" );

		button.simulate( "focus" );
		links = menu.find("li.ui-menu-item a");

		button.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
		equal( 
			menu.attr( "aria-activedescendant" ), 
			links.eq( element[ 0 ].selectedIndex ).attr( "id" ), 
			"menu aria-activedescendant" 
		);
		equal( 
			button.attr( "aria-activedescendant" ), 
			links.eq( element[ 0 ].selectedIndex ).attr( "id" ), 
			"button aria-activedescendant" 
		);
		equal( 
			element.find( "option:selected" ).val(), 
			selected.next( "option" ).val() , 
			"original select state" 
		);
		equal( button.text(), selected.next( "option" ).text(), "button text" );
	});

	test("state synchronization - after click on item - " + settings.type, function () {
		expect(4);

		var links,
			element = $( settings.selector ).selectmenu(),
			button = element.selectmenu( "widget" ),
			menu = element.selectmenu( "menuWidget" );

		button.simulate( "focus" );
		links = menu.find("li.ui-menu-item a");

		button.simulate( "click" );
		menu.find( "a" ).last().simulate( "mouseover" ).trigger( "click" );
		equal( 
			menu.attr( "aria-activedescendant" ), 
			links.eq( element[ 0 ].selectedIndex ).attr( "id" ), 
			"menu aria-activedescendant" 
		);
		equal( 
			button.attr( "aria-activedescendant" ), 
			links.eq( element[ 0 ].selectedIndex ).attr( "id" ), 
			"button aria-activedescendant" 
		);
		equal( 
			element.find( "option:selected" ).val(), 
			element.find( "option" ).last().val(), 
			"original select state"
		);
		equal( button.text(), element.find( "option" ).last().text(), "button text" );
	});

	test( "state synchronization - after focus item and keydown on button - " + settings.type, function () {
		expect(4);

		var links,
			element = $( settings.selector ).selectmenu(),
			button = element.selectmenu( "widget" ),
			menu = element.selectmenu( "menuWidget" ),
			options = element.find( "option" );

		// init menu
		button.simulate( "focus" );
		links = menu.find( "li.ui-menu-item a" );
		// open menu and click first item
		button.simulate( "click" );
		links.first().simulate( "mouseover" ).trigger( "click" );
		// open menu again and hover item
		button.simulate( "click" );
		links.eq(3).simulate( "mouseover" );
		// close and use keyboard control on button
		button.simulate( "keydown", { keyCode: $.ui.keyCode.ESCAPE } );
		button.simulate( "focus" );
		button.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );

		equal( menu.attr( "aria-activedescendant" ), links.eq( 1 ).attr( "id" ), "menu aria-activedescendant" );
		equal( button.attr( "aria-activedescendant" ), links.eq( 1 ).attr( "id" ), "button aria-activedescendant" );
		equal( element.find( "option:selected" ).val(), options.eq( 1 ).val() , "original select state" );
		equal( button.text(), options.eq( 1 ).text(), "button text" );
	});
});

})( jQuery );