openmct/platform/features/timeline/test/controllers/TimelineGanttControllerSpec.js
2015-09-14 16:45:41 -07:00

80 lines
2.7 KiB
JavaScript

/*global define,describe,it,expect,beforeEach,waitsFor,jasmine,window,afterEach*/
define(
['../../src/controllers/TimelineGanttController'],
function (TimelineGanttController) {
"use strict";
var TEST_MAX_OFFSCREEN = 50;
describe("The timeline Gantt bar controller", function () {
var mockTimespan,
testScroll,
mockToPixels,
controller;
// Shorthands for passing these arguments to the controller
function width() {
return controller.width(
mockTimespan,
testScroll,
mockToPixels
);
}
function left() {
return controller.left(
mockTimespan,
testScroll,
mockToPixels
);
}
beforeEach(function () {
mockTimespan = jasmine.createSpyObj(
'timespan',
['getStart', 'getEnd', 'getDuration']
);
testScroll = { x: 0, width: 2000 };
mockToPixels = jasmine.createSpy('toPixels');
mockTimespan.getStart.andReturn(100);
mockTimespan.getDuration.andReturn(50);
mockTimespan.getEnd.andReturn(150);
mockToPixels.andCallFake(function (t) { return t * 10; });
controller = new TimelineGanttController(TEST_MAX_OFFSCREEN);
});
it("positions start and end points correctly on-screen", function () {
// Test's initial conditions are nominal, so should have
// the same return value as mockToPixels
expect(left()).toEqual(1000);
expect(width()).toEqual(500);
});
it("prevents excessive off screen values to the left", function () {
testScroll.x = 1200;
expect(left()).toEqual(1150);
expect(width()).toEqual(350); // ...such that right edge is 1500
});
it("prevents excessive off screen values to the right", function () {
testScroll.width = 1200;
expect(left()).toEqual(1000);
expect(width()).toEqual(250); // ...such that right edge is 1250
});
it("prevents excessive off screen values on both edges", function () {
testScroll.x = 1100;
testScroll.width = 200; // Visible right edge is now 1300
expect(left()).toEqual(1050);
expect(width()).toEqual(300); // ...such that right edge is 1350
});
});
}
);