add test for can define

can/tests/test_define.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+import unittest
+
+from opendbc.can.can_define import CANDefine
+
+class TestCADNDefine(unittest.TestCase):
+  def test_civic(self):
+
+    dbc_file = "honda_civic_touring_2016_can_generated"
+    defs = CANDefine(dbc_file)
+
+    self.assertDictEqual(defs.dv[399], defs.dv['STEER_STATUS'])
+    self.assertDictEqual(defs.dv[399],
+                         {'STEER_STATUS':
+                          {6: 'TMP_FAULT',
+                           5: 'FAULT_1',
+                           4: 'NO_TORQUE_ALERT_2',
+                           3: 'LOW_SPEED_LOCKOUT',
+                           2: 'NO_TORQUE_ALERT_1',
+                           0: 'NORMAL'}
+                          }
+                         )
+
+
+if __name__ == "__main__":
+  unittest.main()