Add unit test for keypair's api

Add unit test for keypair's api in test_shell.py, just for v1.1,
not for v3, because of v3 inherits from v1.1.

Change-Id: Ibbad199449431b328091ef4b5e4b955ffcddc303
Closes-Bug: #1309986

novaclient/tests/v1_1/test_shell.py

@@ -23,6 +23,7 @@
 import fixtures
 import mock
 import six
+from six.moves import builtins
 
 import novaclient.client
 from novaclient import exceptions
@@ -1939,6 +1940,33 @@ class FakeResources(object):
         mock_system.assert_called_with("ssh -6 -p22  "
                                        "root@2607:f0d0:1002::4 -1")
 
+    def test_keypair_add(self):
+        self.run_command('keypair-add test')
+        self.assert_called('POST', '/os-keypairs',
+                           {'keypair':
+                               {'name': 'test'}})
+
+    @mock.patch.object(builtins, 'open',
+             mock.mock_open(read_data='FAKE_PUBLIC_KEY'))
+    def test_keypair_import(self):
+        self.run_command('keypair-add --pub-key test.pub test')
+        self.assert_called('POST', '/os-keypairs',
+                           {'keypair':
+                              {'public_key': 'FAKE_PUBLIC_KEY',
+                               'name': 'test'}})
+
+    def test_keypair_list(self):
+        self.run_command('keypair-list')
+        self.assert_called('GET', '/os-keypairs')
+
+    def test_keypair_show(self):
+        self.run_command('keypair-show test')
+        self.assert_called('GET', '/os-keypairs/test')
+
+    def test_keypair_delete(self):
+        self.run_command('keypair-delete test')
+        self.assert_called('DELETE', '/os-keypairs/test')
+
 
 class GetSecgroupTest(utils.TestCase):
     def test_with_integer(self):