2014-12-05 23:39:07 +00:00
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/*global define,describe,it,expect,beforeEach,jasmine*/
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define(
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["../src/MCTDrag"],
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function (MCTDrag) {
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"use strict";
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2014-12-06 00:27:32 +00:00
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var JQLITE_METHODS = [ "on", "off", "find" ];
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2014-12-05 23:39:07 +00:00
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describe("The mct-drag directive", function () {
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2014-12-06 00:27:32 +00:00
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var mockDocument,
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mockScope,
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mockElement,
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testAttrs,
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mockBody,
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mctDrag;
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function testEvent(x, y) {
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return {
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pageX: x,
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pageY: y,
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preventDefault: jasmine.createSpy("preventDefault")
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};
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}
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beforeEach(function () {
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mockDocument =
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jasmine.createSpyObj("$document", JQLITE_METHODS);
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mockScope =
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jasmine.createSpyObj("$scope", [ "$eval", "$apply" ]);
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mockElement =
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jasmine.createSpyObj("element", JQLITE_METHODS);
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mockBody =
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jasmine.createSpyObj("body", JQLITE_METHODS);
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testAttrs = {
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mctDragDown: "starting a drag",
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mctDrag: "continuing a drag",
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mctDragUp: "ending a drag"
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};
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mockDocument.find.andReturn(mockBody);
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mctDrag = new MCTDrag(mockDocument);
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mctDrag.link(mockScope, mockElement, testAttrs);
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});
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it("is valid as an attribute", function () {
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expect(mctDrag.restrict).toEqual("A");
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});
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it("listens for mousedown on its element", function () {
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expect(mockElement.on).toHaveBeenCalledWith(
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"mousedown",
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jasmine.any(Function)
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);
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// Verify no interactions with body as well
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expect(mockBody.on).not.toHaveBeenCalled();
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});
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it("invokes mctDragDown when dragging begins", function () {
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mockElement.on.mostRecentCall.args[1](testEvent(42, 60));
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expect(mockScope.$eval).toHaveBeenCalledWith(
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testAttrs.mctDragDown,
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{ delta: [0, 0] }
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);
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});
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it("listens for mousemove after dragging begins", function () {
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mockElement.on.mostRecentCall.args[1](testEvent(42, 60));
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expect(mockBody.on).toHaveBeenCalledWith(
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"mousemove",
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jasmine.any(Function)
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);
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expect(mockBody.on).toHaveBeenCalledWith(
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"mouseup",
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jasmine.any(Function)
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);
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});
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it("invokes mctDrag expression during drag", function () {
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mockElement.on.mostRecentCall.args[1](testEvent(42, 60));
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// Find and invoke the mousemove listener
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mockBody.on.calls.forEach(function (call) {
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if (call.args[0] === 'mousemove') {
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call.args[1](testEvent(52, 200));
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}
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});
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// Should have passed that delta to mct-drag expression
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expect(mockScope.$eval).toHaveBeenCalledWith(
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testAttrs.mctDrag,
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{ delta: [10, 140] }
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);
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});
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it("invokes mctDragUp expression after drag", function () {
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mockElement.on.mostRecentCall.args[1](testEvent(42, 60));
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// Find and invoke the mousemove listener
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mockBody.on.calls.forEach(function (call) {
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if (call.args[0] === 'mousemove') {
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call.args[1](testEvent(52, 200));
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}
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});
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// Find and invoke the mousemove listener
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mockBody.on.calls.forEach(function (call) {
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if (call.args[0] === 'mouseup') {
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call.args[1](testEvent(40, 71));
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}
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});
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// Should have passed that delta to mct-drag-up expression
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// and that delta should have been relative to the
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// initial position
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expect(mockScope.$eval).toHaveBeenCalledWith(
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testAttrs.mctDragUp,
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{ delta: [-2, 11] }
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);
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// Should also have unregistered listeners
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expect(mockBody.off).toHaveBeenCalled();
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});
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2014-12-05 23:39:07 +00:00
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});
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}
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);
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