This is an exceedingly rough sketch of what attributes might look like - metaclass implementations NOT complete.

test/v2/playbook/task.py

@@ -0,0 +1,37 @@
+# TODO: header
+
+from ansible.playbook.task import Task
+import unittest
+
+basic_shell_task = dict(
+   name  = 'Test Task',
+   shell = 'echo hi'
+)
+
+class TestTask(unittest.TestCase):
+
+    def setUp(self):
+        pass
+   
+    def tearDown(self):
+        pass
+
+    def test_can_construct_empty_task():
+        t = Task()
+    
+    def test_can_construct_task_with_role():
+        pass
+
+    def test_can_construct_task_with_block():
+        pass
+
+    def test_can_construct_task_with_role_and_block():
+        pass
+
+    def test_can_load_simple_task():
+       t = Task.load(basic_shell_task)
+       assert t.name == basic_shell_task['name']
+       assert t.module == 'shell'
+       assert t.args == 'echo hi'
+
+