[WIP] Added scheduler

unittests/unittests_reactive_extenstions/scheduler_test_case.py

@@ -0,0 +1,36 @@
+import time
+import unittest
+from datetime import datetime
+
+from cpl_core.console import Console
+from cpl_reactive_extensions.scheduler.async_scheduler import async_scheduler
+from cpl_reactive_extensions.timer import Timer
+
+
+class SchedulerTestCase(unittest.TestCase):
+    def setUp(self):
+        pass
+
+    def test_timer(self):
+        count = 0
+
+        def task():
+            nonlocal count
+            Console.write_line(datetime.now(), "Hello world")
+            count += 1
+
+        timer = Timer(100, task)
+        time.sleep(0.25)
+        self.assertEqual(count, 2)
+        timer.clear()
+
+    def test_schedule(self):
+        count = 0
+
+        def task():
+            nonlocal count
+            Console.write_line(datetime.now(), "Hello world")
+            count += 1
+
+        async_scheduler.schedule(task, 100)
+        time.sleep(2)