use vcrpy for oneclient tests

Will commit cassettes later once the tests have been executed on a test
VM and the test authorization token has been stripped.

onedns/tests/__init__.py

@@ -0,0 +1,11 @@
+import os
+
+from vcr import VCR
+
+vcr = VCR(
+    serializer='yaml',
+    cassette_library_dir=os.path.join(
+        os.path.dirname(os.path.realpath(__file__)), 'fixtures/oneclient'
+    ),
+    record_mode='once',
+)

onedns/tests/conftest.py

@@ -17,6 +17,9 @@ def dns(request):
     return dns
 
 
-@pytest.fixture(scope="module")
+@pytest.fixture(scope="function")
 def oneclient(request):
+    """
+    NOTE: All fixtures must be function scope to work with VCRPY cassettes
+    """
     return one.OneClient()

onedns/tests/test_oneclient.py

@@ -1,15 +1,19 @@
+from onedns.tests import vcr
+
 import pytest
 
 import oca
 from oca import vm
 
 
+@vcr.use_cassette()
 def test_get_vms(oneclient):
     vms = oneclient.vms()
     assert isinstance(vms, vm.VirtualMachinePool)
     assert len(vms) > 0
 
 
+@vcr.use_cassette()
 def test_get_vm_by_id(oneclient):
     with pytest.raises(TypeError):
         oneclient.get_vm_by_id('asdf')

setup.py

@@ -29,6 +29,7 @@ setup(
     tests_require=[
         "pytest>=2.9.2",
         "testfixtures>=4.10.0",
+        "vcrpy>=1.9.0",
     ],
     entry_points=dict(console_scripts=['onedns = onedns.cli:main']),
     zip_safe=False