[Plugins] Bring over timeline, clock plugins

WTD-1239

platform/features/timeline/test/controllers/graph/TimelineGraphRendererSpec.js

@@ -0,0 +1,56 @@
+/*global define,describe,it,expect,beforeEach,waitsFor,jasmine,window,afterEach*/
+
+define(
+    ['../../../src/controllers/graph/TimelineGraphRenderer'],
+    function (TimelineGraphRenderer) {
+        'use strict';
+
+        describe("A Timeline's graph renderer", function () {
+            var renderer;
+
+            beforeEach(function () {
+                renderer = new TimelineGraphRenderer();
+            });
+
+            it("converts utilizations to buffers", function () {
+                var utilization = {
+                        getPointCount: function () {
+                            return 10;
+                        },
+                        getDomainValue: function (i) {
+                            return i * 10;
+                        },
+                        getRangeValue: function (i) {
+                            return Math.sin(i);
+                        }
+                    },
+                    buffer = renderer.render(utilization),
+                    i;
+
+                // Should be flat list of alternating x/y,
+                // so 20 elements
+                expect(buffer.length).toEqual(20);
+
+                // Verify contents
+                for (i = 0; i < 10; i += 1) {
+                    // Check for 6 decimal digits of precision, roughly
+                    // what we expect after conversion to 32-bit float
+                    expect(buffer[i * 2]).toBeCloseTo(i * 10, 6);
+                    expect(buffer[i * 2 + 1]).toBeCloseTo(Math.sin(i), 6);
+                }
+            });
+
+            it("decodes color strings", function () {
+                // Note that decoded color should have alpha channel as well
+                expect(renderer.decode('#FFFFFF'))
+                    .toEqual([1, 1, 1, 1]);
+                expect(renderer.decode('#000000'))
+                    .toEqual([0, 0, 0, 1]);
+                expect(renderer.decode('#FF8000'))
+                    .toEqual([1, 0.5019607843137255, 0, 1]);
+            });
+
+
+        });
+    }
+);