Fix local cache delete issue and add more unit tests

Signed-off-by: Sihan Wang <wsihan@vmware.com>

column/api/backend/cache/local_mem.py

@@ -54,7 +54,7 @@ def _is_full(self):
 
     def _evict(self):
         del_key = self._key_queue.popleft()
-        self._del[del_key]
+        self._del(del_key)
         return del_key
 
     def _keys(self):

tests/api/controllers/test_run.py

@@ -138,7 +138,7 @@ def test_null_parameter_in_payload(self):
         self._wait_for_run_complete(res_dict['id'])
 
     def test_delete_running_job(self):
-        pb = 'tests/fixtures/playbooks/hello_world.yml'
+        pb = 'tests/fixtures/playbooks/hello_world_with_sleep.yml'
         response = self.app.post(
             '/runs',
             data=json.dumps(dict(playbook_path=pb,

tests/cache/test_cache.py

@@ -0,0 +1,19 @@
+import testtools
+
+from column.api import backend
+
+
+class TestLocalMemoryCache(testtools.TestCase):
+
+    def setUp(self):
+        super(TestLocalMemoryCache, self).setUp()
+        self.store = backend.get_store()
+
+    def test_add_runs(self):
+        self.assertTrue(self.store.create_run('key1', {'id': '1'}))
+        self.assertEqual({'id': '1'}, self.store.get_run('key1'))
+
+    def test_update_run(self):
+        self.store.create_run('key5', {'id': '5'})
+        self.store.update_run('key5', {'id': '55'})
+        self.assertEqual({'id': '55'}, self.store.get_run('key5'))

tests/fixtures/playbooks/hello_world_with_sleep.yml

@@ -0,0 +1,7 @@
+---
+- hosts: all
+  tasks:
+    - shell: sleep 10
+- hosts: all
+  tasks:
+    - shell: echo "hello world"