Adding basic system tests.

vision/google/cloud/vision/decorators.py

@@ -93,7 +93,7 @@ def _create_single_feature_method(feature, enum):
     """
 
     # Get the actual feature value to send.
-    feature_value = enum.__dict__[feature]
+    feature_value = {'type': enum.__dict__[feature]}
 
     # Define the function to be returned.
     def inner(self, image, options=None):

vision/google/cloud/vision/helpers.py

@@ -50,7 +50,8 @@ def annotate_image(self, request, options=None):
         # This method allows features not to be specified, and you get all
         # of them.
         protobuf.setdefault(request, 'features', self._get_all_features())
-        return self.batch_annotate_images([request], options=options)[0]
+        r = self.batch_annotate_images([request], options=options)
+        return r.responses[0]
 
     def _get_all_features(self):
         """Return a list of all features.

vision/nox.py

@@ -19,9 +19,6 @@
 import nox
 
 
-LOCAL_DEPS = ('../core/',)
-
-
 @nox.session
 @nox.parametrize('python_version', ['2.7', '3.4', '3.5', '3.6'])
 def unit_tests(session, python_version):
@@ -31,7 +28,7 @@ def unit_tests(session, python_version):
     session.interpreter = 'python{}'.format(python_version)
 
     # Install all test dependencies, then install this package in-place.
-    session.install('mock', 'pytest', 'pytest-cov', *LOCAL_DEPS)
+    session.install('mock', 'pytest', 'pytest-cov')
     session.install('-e', '.')
 
     # Run py.test against the unit tests.
@@ -42,6 +39,23 @@ def unit_tests(session, python_version):
     )
 
 
+@nox.session
+@nox.parametrize('python_version', ['2.7', '3.6'])
+def system_tests(session, python_version):
+    """Run the unit test suite."""
+
+    # Run unit tests against all supported versions of Python.
+    session.interpreter = 'python{}'.format(python_version)
+
+    # Install all test dependencies, then install this package in-place.
+    session.install('pytest', '../core/', '../storage/')
+    session.install('../test_utils/')
+    session.install('-e', '.')
+
+    # Run py.test against the unit tests.
+    session.run('py.test', '--quiet', 'tests/system.py')
+
+
 @nox.session
 def lint(session):
     """Run flake8.
@@ -50,7 +64,7 @@ def lint(session):
     serious code quality issues.
     """
     session.interpreter = 'python3.6'
-    session.install('flake8', *LOCAL_DEPS)
+    session.install('flake8')
     session.install('.')
     session.run('flake8', 'google/cloud/vision.py')