added tests

cyclic_contracts.py

@@ -1,4 +1,4 @@
-from cyclic_utils import CYCLE_LIMIT,rem_routes
+from cyclic_utils import rem_routes
 
 class Route(object):
     """docstring for Route."""
@@ -67,7 +67,8 @@ class Transporter(object):
         if len(unfulfilled) > 0:
             print "Contracts from ",repr(unfulfilled)
 
+    def contract_corridors(self):
+        return rem_routes(self.contract_routes())
 
-
-# Transporter.from_file('./contracts.txt').contracts_required()
+if __name__ == '__main__':
     Transporter.from_file('./contracts.txt').contracts_required()

cyclic_contracts_test.py

@@ -1,14 +1,18 @@
 import unittest
-import cyclic_contracts
+from cyclic_contracts import Transporter
 
 
 class CyclicTest(unittest.TestCase):
     """docstring for CyclicTest."""
 
-    def test_loads():
-
-
+    def test_contract(self):
+        cc = Transporter.from_file("./contracts.txt").contract_corridors()
+        self.assertEqual(cc, [('Mumbai', 'Bangalore')])
 
+    def test_partial(self):
+        cc = Transporter.from_file(
+            "./contracts_partial.txt").contract_corridors()
+        self.assertEqual(cc, [('Mumbai', 'Kolkata'), ('Chennai', 'Kolkata')])
 
 if __name__ == '__main__':
     unittest.main()