Refactoring and task queue tests

tests/Queue/TaskQueueTest.js.ts

@@ -0,0 +1,23 @@
+import { it, describe } from 'mocha';
+import { expect } from 'chai';
+
+import { Task } from '../../src/Queue/TaskProvider';
+import { TaskQueue } from '../../src/Queue/TaskQueue';
+import { NullLogger } from '../../src/Logger';
+import { ArrayTaskProvider } from '../../src/Queue/ArrayTaskProvider';
+
+describe('Task Queue', function() {
+    it('Can get task from queue', function() {
+        const provider = new ArrayTaskProvider([new Task('1', 0, 'task', {})]);
+        const queue = new TaskQueue(provider, new NullLogger());
+        const task = queue.get(1);
+        expect(task).instanceOf(Task);
+    });
+
+    it("Don't get unready task from queue", function() {
+        const provider = new ArrayTaskProvider([new Task('1', 5, 'task', {})]);
+        const queue = new TaskQueue(provider, new NullLogger());
+        const task = queue.get(1);
+        expect(task).is.equals(undefined);
+    });
+});