jquery-ui/tests/unit/draggable/draggable_options.js

/*
 * draggable_options.js
 */
(function($) {

module("draggable: options");

test("{ appendTo: 'parent' }, default", function() {
	expect( 2 );
	var el = $("#draggable2").draggable({ appendTo: 'parent' });
	TestHelpers.draggable.shouldMove(el);

	el = $("#draggable1").draggable({ appendTo: 'parent' });
	TestHelpers.draggable.shouldMove(el);

});

test("{ appendTo: Element }", function() {
	expect( 2 );
	var el = $("#draggable2").draggable({ appendTo: $("#draggable2").parent()[0] });
	TestHelpers.draggable.shouldMove(el);

	el = $("#draggable1").draggable({ appendTo: $("#draggable2").parent()[0] });
	TestHelpers.draggable.shouldMove(el);
});

test("{ appendTo: Selector }", function() {
	expect( 2 );
	var el = $("#draggable2").draggable({ appendTo: "#main" });
	TestHelpers.draggable.shouldMove(el);

	el = $("#draggable1").draggable({ appendTo: "#main" });
	TestHelpers.draggable.shouldMove(el);
});

test("{ axis: false }, default", function() {
	expect( 1 );
	var el = $("#draggable2").draggable({ axis: false });
	TestHelpers.draggable.shouldMove(el);
});

test("{ axis: 'x' }", function() {
	expect( 1 );
	var el = $("#draggable2").draggable({ axis: "x" });
	TestHelpers.draggable.testDrag(el, el, 50, 50, 50, 0);
});

test("{ axis: 'y' }", function() {
	expect( 1 );
	var el = $("#draggable2").draggable({ axis: "y" });
	TestHelpers.draggable.testDrag(el, el, 50, 50, 0, 50);
});

test("{ axis: ? }, unexpected", function() {
	var el,
		unexpected = {
			"true": true,
			"{}": {},
			"[]": [],
			"null": null,
			"undefined": undefined,
			"function() {}": function() {}
		};

	expect( 6 );

	$.each(unexpected, function(key, val) {
		el = $("#draggable2").draggable({ axis: val });
		TestHelpers.draggable.testDrag(el, el, 50, 50, 50, 50, "axis: " + key);
		el.draggable("destroy");
	});
});

test("{ cancel: 'input,textarea,button,select,option' }, default", function() {
	expect( 2 );

	$('<div id="draggable-option-cancel-default"><input type="text"></div>').appendTo('#main');

	var el = $("#draggable-option-cancel-default").draggable({ cancel: "input,textarea,button,select,option" });
	TestHelpers.draggable.shouldMove(el);

	el.draggable("destroy");

	el = $("#draggable-option-cancel-default").draggable({ cancel: "input,textarea,button,select,option" });
	TestHelpers.draggable.testDrag(el, "#draggable-option-cancel-default input", 50, 50, 0, 0);
	el.draggable("destroy");
});

test("{ cancel: 'span' }", function() {
	expect( 2 );

	var el = $("#draggable2").draggable();
	TestHelpers.draggable.testDrag(el, "#draggable2 span", 50, 50, 50, 50);

	el.draggable("destroy");

	el = $("#draggable2").draggable({ cancel: 'span' });
	TestHelpers.draggable.testDrag(el, "#draggable2 span", 50, 50, 0, 0);
});

test("{ cancel: ? }, unexpected", function() {
	var el,
		unexpected = {
			"true": true,
			"false": false,
			"{}": {},
			"[]": [],
			"null": null,
			"undefined": undefined
		};

	expect( 6 );

	$.each(unexpected, function(key, val) {
		el = $("#draggable2").draggable({ cancel: val });
		TestHelpers.draggable.shouldMove(el, "cancel: " + key);
		el.draggable("destroy");
	});
});

/*
test("{ containment: false }, default", function() {
	expect( 1 );

	ok(false, 'missing test - untested code is broken code');
});

test("{ containment: Element }", function() {
	expect( 1 );

	ok(false, 'missing test - untested code is broken code');
});
*/

test("{ containment: 'parent' }, relative", function() {
	expect( 1 );

	var offsetAfter,
		el = $("#draggable1").draggable({ containment: 'parent' }),
		p = el.parent(),
		po = p.offset(),
		expected = {
			left: po.left + TestHelpers.draggable.border(p, 'left') + TestHelpers.draggable.margin(el, 'left'),
			top: po.top + TestHelpers.draggable.border(p, 'top') + TestHelpers.draggable.margin(el, 'top')
		};

	el.simulate( "drag", {
		dx: -100,
		dy: -100
	});
	offsetAfter = el.offset();
	deepEqual(offsetAfter, expected, 'compare offset to parent');
});

test("{ containment: 'parent' }, absolute", function() {
	expect( 1 );

	var offsetAfter,
		el = $("#draggable2").draggable({ containment: 'parent' }),
		p = el.parent(),
		po = p.offset(),
		expected = {
			left: po.left + TestHelpers.draggable.border(p, 'left') + TestHelpers.draggable.margin(el, 'left'),
			top: po.top + TestHelpers.draggable.border(p, 'top') + TestHelpers.draggable.margin(el, 'top')
		};

	el.simulate( "drag", {
		dx: -100,
		dy: -100
	});
	offsetAfter = el.offset();
	deepEqual(offsetAfter, expected, 'compare offset to parent');
});

/*
test("{ containment: 'document' }", function() {
	expect( 1 );

	ok(false, 'missing test - untested code is broken code');
});

test("{ containment: 'window' }", function() {
	expect( 1 );

	ok(false, 'missing test - untested code is broken code');
});

test("{ containment: Selector }", function() {
	expect( 1 );

	ok(false, 'missing test - untested code is broken code');
});

test("{ containment: [x1, y1, x2, y2] }", function() {
	expect( 1 );

	ok(false, 'missing test - untested code is broken code');
});
*/

test("{ cursor: 'auto' }, default", function() {
	function getCursor() { return $("#draggable2").css("cursor"); }

	expect(2);

	var actual, before, after,
		expected = "auto",
		el = $("#draggable2").draggable({
			cursor: expected,
			start: function() {
				actual = getCursor();
			}
		});

	before = getCursor();
	el.simulate( "drag", {
		dx: -1,
		dy: -1
	});
	after = getCursor();

	equal(actual, expected, "start callback: cursor '" + expected + "'");
	equal(after, before, "after drag: cursor restored");

});

test("{ cursor: 'move' }", function() {

	function getCursor() { return $("body").css("cursor"); }

	expect(2);

	var actual, before, after,
		expected = "move",
		el = $("#draggable2").draggable({
			cursor: expected,
			start: function() {
				actual = getCursor();
			}
		});

	before = getCursor();
	el.simulate( "drag", {
		dx: -1,
		dy: -1
	});
	after = getCursor();

	equal(actual, expected, "start callback: cursor '" + expected + "'");
	equal(after, before, "after drag: cursor restored");

});

/*
test("{ cursorAt: false}, default", function() {
	expect( 1 );

	ok(false, 'missing test - untested code is broken code');
});
*/

test( "{ cursorAt: left, top }", function() {
	expect( 12 );

	var deltaX = -3,
		deltaY = -3,
		tests = {
			"{ left: -5, top: -5 }": { x: -5, y: -5, cursorAt : { left: -5, top: -5 } },
			// "[ 10, 20 ]": { x: 10, y: 20, cursorAt : [ 10, 20 ] },
			"{ left: 20, top: 40 }": { x: 20, y: 40, cursorAt : { left: 20, top: 40 } },
			"{ right: 10, bottom: 20 }": { x: 10, y: 20, cursorAt : { right: 10, bottom: 20 } }
		};

	$.each( tests, function( testName, testData ) {
		$.each( [ "relative", "absolute" ], function( i, position ) {
			var el = $( "#draggable" + ( i + 1 ) ).draggable({
					cursorAt: testData.cursorAt,
					drag: function( event, ui ) {
						if( testData.cursorAt.right ) {
							equal( ui.helper.width() - ( event.clientX - ui.offset.left ), testData.x + TestHelpers.draggable.unreliableOffset, testName + " " + position + " left" );
							equal( ui.helper.height() - ( event.clientY - ui.offset.top ), testData.y + TestHelpers.draggable.unreliableOffset, testName + position + " top" );
						} else {
							equal( event.clientX - ui.offset.left, testData.x + TestHelpers.draggable.unreliableOffset, testName + " " + position + " left" );
							equal( event.clientY - ui.offset.top, testData.y + TestHelpers.draggable.unreliableOffset, testName + " " + position + " top" );
						}
					}
			});

			el.simulate( "drag", {
				moves: 1,
				dx: deltaX,
				dy: deltaY
			});
		});
	});
});

test("{ grid: [50, 50] }, relative", function() {
	expect( 2 );

	var el = $("#draggable1").draggable({ grid: [50, 50] });
	TestHelpers.draggable.testDrag(el, el, 24, 24, 0, 0);
	TestHelpers.draggable.testDrag(el, el, 26, 25, 50, 50);
});

test("{ grid: [50, 50] }, absolute", function() {
	expect( 2 );

	var el = $("#draggable2").draggable({ grid: [50, 50] });
	TestHelpers.draggable.testDrag(el, el, 24, 24, 0, 0);
	TestHelpers.draggable.testDrag(el, el, 26, 25, 50, 50);
});

test("{ handle: 'span' }", function() {
	expect( 2 );

	var el = $("#draggable2").draggable({ handle: 'span' });

	TestHelpers.draggable.testDrag(el, "#draggable2 span", 50, 50, 50, 50, "drag span");
	TestHelpers.draggable.shouldNotMove(el, "drag element");
});

test("{ helper: 'clone' }, relative", function() {
	expect( 1 );

	var el = $("#draggable1").draggable({ helper: "clone" });
	TestHelpers.draggable.shouldNotMove(el);
});

test("{ helper: 'clone' }, absolute", function() {
	expect( 1 );

	var el = $("#draggable2").draggable({ helper: "clone" });
	TestHelpers.draggable.shouldNotMove(el);
});

test("{ helper: 'original' }, relative, with scroll offset on parent", function() {
	expect( 3 );

	var el = $("#draggable1").draggable({ helper: "original" });

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll();

});

test("{ helper: 'original' }, relative, with scroll offset on root", function() {
	expect( 3 );

	var el = $("#draggable1").draggable({ helper: "original" });

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll('root');

});

test("{ helper: 'original' }, relative, with scroll offset on root and parent", function() {

	expect(3);

	var el = $("#draggable1").draggable({ helper: "original" });

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll();
	TestHelpers.draggable.restoreScroll('root');

});

test("{ helper: 'original' }, absolute, with scroll offset on parent", function() {

	expect(3);

	var el = $("#draggable1").css({ position: 'absolute', top: 0, left: 0 }).draggable({ helper: "original" });

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll();

});

test("{ helper: 'original' }, absolute, with scroll offset on root", function() {

	expect(3);

	var el = $("#draggable1").css({ position: 'absolute', top: 0, left: 0 }).draggable({ helper: "original" });

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll('root');

});

test("{ helper: 'original' }, absolute, with scroll offset on root and parent", function() {

	expect(3);

	var el = $("#draggable1").css({ position: 'absolute', top: 0, left: 0 }).draggable({ helper: "original" });

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll();
	TestHelpers.draggable.restoreScroll('root');

});

test("{ helper: 'original' }, fixed, with scroll offset on parent", function() {

	expect(3);

	var el = $("#draggable1").css({ position: 'fixed', top: 0, left: 0 }).draggable({ helper: "original" });

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll();

});

test("{ helper: 'original' }, fixed, with scroll offset on root", function() {

	expect(3);

	var el = $("#draggable1").css({ position: 'fixed', top: 0, left: 0 }).draggable({ helper: "original" });

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll('root');
});

test("{ helper: 'original' }, fixed, with scroll offset on root and parent", function() {

	expect(3);

	var el = $("#draggable1").css({ position: 'fixed', top: 0, left: 0 }).draggable({ helper: "original" });

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'relative');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'static');

	TestHelpers.draggable.setScroll();
	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.testScroll(el, 'absolute');

	TestHelpers.draggable.restoreScroll();
	TestHelpers.draggable.restoreScroll('root');

});

test("{ helper: 'clone' }, absolute", function() {

	expect(1);

	var helperOffset = null,
		origOffset = $("#draggable1").offset(),
		el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
			helperOffset = ui.helper.offset();
		} });

	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

});

test("{ helper: 'clone' }, absolute with scroll offset on parent", function() {

	expect(3);

	TestHelpers.draggable.setScroll();
	var helperOffset = null,
		origOffset = null,
		el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
			helperOffset = ui.helper.offset();
		} });

	$("#main").css('position', 'relative');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	$("#main").css('position', 'static');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	$("#main").css('position', 'absolute');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	TestHelpers.draggable.restoreScroll();

});

test("{ helper: 'clone' }, absolute with scroll offset on root", function() {

	expect(3);

	TestHelpers.draggable.setScroll('root');
	var helperOffset = null,
		origOffset = null,
		el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
			helperOffset = ui.helper.offset();
		} });

	$("#main").css('position', 'relative');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	$("#main").css('position', 'static');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	$("#main").css('position', 'absolute');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	TestHelpers.draggable.restoreScroll('root');

});

test("{ helper: 'clone' }, absolute with scroll offset on root and parent", function() {

	expect(3);

	TestHelpers.draggable.setScroll('root');
	TestHelpers.draggable.setScroll();

	var helperOffset = null,
		origOffset = null,
		el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
			helperOffset = ui.helper.offset();
		} });

	$("#main").css('position', 'relative');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	$("#main").css('position', 'static');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	$("#main").css('position', 'absolute');
	origOffset = $("#draggable1").offset();
	el.simulate( "drag", {
		dx: 1,
		dy: 1
	});
	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[1, 1] ');

	TestHelpers.draggable.restoreScroll('root');
	TestHelpers.draggable.restoreScroll();

});

test("{ opacity: 0.5 }", function() {

	expect(1);

	var opacity = null,
		el = $("#draggable2").draggable({
			opacity: 0.5,
			start: function() {
				opacity = $(this).css("opacity");
			}
		});

	el.simulate( "drag", {
		dx: -1,
		dy: -1
	});

	equal(opacity, 0.5, "start callback: opacity is");

});

test("{ zIndex: 10 }", function() {

	expect(1);

	var actual,
		expected = 10,
		el = $("#draggable2").draggable({
			zIndex: expected,
			start: function() {
				actual = $(this).css("zIndex");
			}
		});

	el.simulate( "drag", {
		dx: -1,
		dy: -1
	});

	equal(actual, expected, "start callback: zIndex is");

});

})(jQuery);