Create test_task_manager.py

Author: khalid-ameri

tests/test_task_manager.py

@@ -0,0 +1,22 @@
+import unittest
+from taskspark.task_manager import add_task, load_tasks, complete_task, remove_task, save_tasks
+
+class TestTaskManager(unittest.TestCase):
+    def setUp(self):
+        self.test_file = "tasks.json"
+        save_tasks([])
+
+    def test_add_and_list(self):
+        add_task("Test Task", 2, "2026-02-10")
+        tasks = load_tasks()
+        self.assertEqual(len(tasks), 1)
+        self.assertEqual(tasks[0]["title"], "Test Task")
+
+    def test_complete_task(self):
+        add_task("Complete Me")
+        complete_task(1)
+        tasks = load_tasks()
+        self.assertTrue(tasks[0]["completed"])
+
+if __name__ == "__main__":
+    unittest.main()