Merge commit 'd21ea7816e' as 'jquery-ui'

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

@@ -0,0 +1,131 @@
+TestHelpers.draggable = {
+	// TODO: remove the unreliable offset hacks
+	unreliableOffset: $.ui.ie && ( !document.documentMode || document.documentMode < 8 ) ? 2 : 0,
+	// Support: Opera 12.10, Safari 5.1, jQuery <1.8
+	unreliableContains: (function() {
+		var element = $( "<div>" );
+		return $.contains( element[ 0 ].ownerDocument, element[ 0 ] );
+	})(),
+	testDragPosition: function( el, dx, dy, expectedDX, expectedDY, msg ) {
+		msg = msg ? msg + "." : "";
+
+		$( el ).one( "dragstop", function( event, ui ) {
+			var positionExpected = { left: ui.originalPosition.left + expectedDX, top: ui.originalPosition.top + expectedDY };
+			deepEqual( ui.position, positionExpected, "position dragged[" + dx + ", " + dy + "] " + msg );
+		});
+	},
+	testDragOffset: function( el, dx, dy, expectedDX, expectedDY, msg ) {
+		msg = msg ? msg + "." : "";
+
+		var offsetBefore = el.offset(),
+			offsetExpected = { left: offsetBefore.left + expectedDX, top: offsetBefore.top + expectedDY };
+
+		$( el ).one( "dragstop", function( event, ui ) {
+			deepEqual( ui.offset, offsetExpected, "offset dragged[" + dx + ", " + dy + "] " + msg );
+		});
+	},
+	testDragHelperOffset: function( el, dx, dy, expectedDX, expectedDY, msg ) {
+		msg = msg ? msg + "." : "";
+
+		var offsetBefore = el.offset(),
+			offsetExpected = { left: offsetBefore.left + expectedDX, top: offsetBefore.top + expectedDY };
+
+		$( el ).one( "dragstop", function( event, ui ) {
+			deepEqual( ui.helper.offset(), offsetExpected, "offset dragged[" + dx + ", " + dy + "] " + msg );
+		});
+	},
+	testDrag: function( el, handle, dx, dy, expectedDX, expectedDY, msg ) {
+		TestHelpers.draggable.testDragPosition( el, dx, dy, expectedDX, expectedDY, msg );
+		TestHelpers.draggable.testDragOffset( el, dx, dy, expectedDX, expectedDY, msg );
+
+		$( handle ).simulate( "drag", {
+			dx: dx,
+			dy: dy
+		});
+	},
+	shouldMovePositionButNotOffset: function( el, msg, handle ) {
+		handle = handle || el;
+		TestHelpers.draggable.testDragPosition( el, 100, 100, 100, 100, msg );
+		TestHelpers.draggable.testDragHelperOffset( el, 100, 100, 0, 0, msg );
+
+		$( handle ).simulate( "drag", {
+			dx: 100,
+			dy: 100
+		});
+	},
+	shouldMove: function( el, msg, handle ) {
+		handle = handle || el;
+		TestHelpers.draggable.testDrag( el, handle, 100, 100, 100, 100, msg );
+	},
+	shouldNotMove: function( el, msg, handle ) {
+		handle = handle || el;
+		TestHelpers.draggable.testDrag( el, handle, 100, 100, 0, 0, msg );
+	},
+	shouldNotDrag: function( el, msg, handle ) {
+		handle = handle || el;
+
+		var newOffset,
+			element = $( el ),
+			beginOffset = element.offset();
+
+		element.bind( "dragstop", function() {
+			ok( false, "should not drag " + msg );
+		});
+
+		$( handle ).simulate( "drag", {
+			dx: 100,
+			dy: 100
+		});
+
+		newOffset = element.offset();
+
+		// Also assert that draggable did not move, to ensure it isn't just
+		// that drag did not fire and draggable still somehow moved
+		equal( newOffset.left, beginOffset.left, "Offset left should not be different" );
+		equal( newOffset.top, beginOffset.top, "Offset top should not be different" );
+
+		element.unbind( "dragstop" );
+	},
+	setScrollable: function( what, isScrollable ) {
+		var overflow = isScrollable ? "scroll" : "hidden";
+		$( what ).css({ overflow: overflow, overflowX: overflow, overflowY: overflow });
+	},
+	testScroll: function( el, position ) {
+		var oldPosition = $( "#main" ).css( "position" );
+		$( "#main" ).css({ position: position, top: "0px", left: "0px" });
+		TestHelpers.draggable.shouldMove( el, position + " parent" );
+		$( "#main" ).css( "position", oldPosition );
+	},
+	restoreScroll: function( what ) {
+		$( what ).scrollTop( 0 ).scrollLeft( 0 );
+	},
+	setScroll: function( what ) {
+		$( what ).scrollTop( 100 ).scrollLeft( 100 );
+	},
+	border: function( el, side ) {
+		return parseInt( el.css( "border-" + side + "-width" ), 10 ) || 0;
+	},
+	margin: function( el, side ) {
+		return parseInt( el.css( "margin-" + side ), 10 ) || 0;
+	},
+	move: function( el, x, y ) {
+		$( el ).simulate( "drag", {
+			dx: x,
+			dy: y
+		});
+	},
+	trackMouseCss: function( el ) {
+		el.bind( "drag", function() {
+			el.data( "last_dragged_cursor", $( "body" ).css( "cursor" ) );
+		});
+	},
+	trackAppendedParent: function( el ) {
+		// TODO: appendTo is currently ignored if helper is original (see #7044)
+		el.draggable( "option", "helper", "clone" );
+
+		// Get what parent is at time of drag
+		el.bind( "drag", function(e, ui) {
+			el.data( "last_dragged_parent", ui.helper.parent()[ 0 ] );
+		});
+	}
+};