Improve test process (#635)

Instead of stick with the old version of test packages, always use the latest.
Update test cases to resolve the deprecation warnings.

Author: reyang

AUTHORS

@@ -1 +1 @@
-OpenCensus Authors
+OpenCensus Authors

contrib/opencensus-ext-ocagent/tests/test_ocagent_utils.py

@@ -33,23 +33,23 @@ def test_datetime_str_to_proto_ts_conversion(self):
 
     def test_datetime_str_to_proto_ts_conversion_none(self):
         proto_ts = utils.proto_ts_from_datetime_str(None)
-        self.assertEquals(proto_ts.seconds, 0)
-        self.assertEquals(proto_ts.nanos, 0)
+        self.assertEqual(proto_ts.seconds, 0)
+        self.assertEqual(proto_ts.nanos, 0)
 
     def test_datetime_str_to_proto_ts_conversion_empty(self):
         proto_ts = utils.proto_ts_from_datetime_str('')
-        self.assertEquals(proto_ts.seconds, 0)
-        self.assertEquals(proto_ts.nanos, 0)
+        self.assertEqual(proto_ts.seconds, 0)
+        self.assertEqual(proto_ts.nanos, 0)
 
     def test_datetime_str_to_proto_ts_conversion_invalid(self):
         proto_ts = utils.proto_ts_from_datetime_str('2018 08 22 T 11:53')
-        self.assertEquals(proto_ts.seconds, 0)
-        self.assertEquals(proto_ts.nanos, 0)
+        self.assertEqual(proto_ts.seconds, 0)
+        self.assertEqual(proto_ts.nanos, 0)
 
     def test_datetime_to_proto_ts_conversion_none(self):
         proto_ts = utils.proto_ts_from_datetime(None)
-        self.assertEquals(proto_ts.seconds, 0)
-        self.assertEquals(proto_ts.nanos, 0)
+        self.assertEqual(proto_ts.seconds, 0)
+        self.assertEqual(proto_ts.nanos, 0)
 
     def test_datetime_to_proto_ts_conversion(self):
         now = datetime.utcnow()

contrib/opencensus-ext-ocagent/tests/test_stats_exporter.py

@@ -142,7 +142,7 @@ def test_export_with_label_value(self):
 
         handler = mock.Mock(spec=ocagent.ExportRpcHandler)
         ocagent.StatsExporter(handler).export_metrics(view_data)
-        self.assertEquals(
+        self.assertEqual(
             handler.send.call_args[0]
             [0].metrics[0].timeseries[0].label_values[0],
             metrics_pb2.LabelValue(has_value=True, value='test-key'))
@@ -161,7 +161,7 @@ def test_export_double_point_value(self):
 
         handler = mock.Mock(spec=ocagent.ExportRpcHandler)
         ocagent.StatsExporter(handler).export_metrics(view_data)
-        self.assertEquals(
+        self.assertEqual(
             handler.send.call_args[0]
             [0].metrics[0].timeseries[0].points[0].double_value, 2.5)
 
@@ -185,7 +185,7 @@ def test_export_exemplar(self):
         handler = mock.Mock(spec=ocagent.ExportRpcHandler)
         ocagent.StatsExporter(handler).export_metrics([metric])
 
-        self.assertEquals(
+        self.assertEqual(
             handler.send.call_args[0][0].metrics[0].timeseries[0].points[0].
             distribution_value.buckets[0].exemplar,
             metrics_pb2.DistributionValue.Exemplar(
@@ -323,8 +323,8 @@ def _helper(request_iterator, context):
         handler.send(request)
 
         self.assertTrue(event.wait(timeout=1))
-        self.assertEquals(len(initialized), 2)
-        self.assertEquals(len(requests), 2)
+        self.assertEqual(len(initialized), 2)
+        self.assertEqual(len(requests), 2)
 
     @mock.patch('opencensus.metrics.transport.get_exporter_thread')
     def test_create_stats_exporter_initialization(self, mock_transport):
@@ -358,7 +358,7 @@ def _helper(request_iterator, context):
     def test_create_stats_exporter_with_default_endpoint(
             self, mock_channel, _):
         ocagent.new_stats_exporter(SERVICE_NAME)
-        self.assertEquals(mock_channel.call_args[0][0], 'localhost:55678')
+        self.assertEqual(mock_channel.call_args[0][0], 'localhost:55678')
 
     def test_export_node(self):
         requests = []

nox.py

@@ -45,6 +45,14 @@ def _install_dev_packages(session):
     session.install('-e', 'contrib/opencensus-ext-google-cloud-clientlibs')
 
 
+def _install_test_dependencies(session):
+    session.install('mock')
+    session.install('pytest')
+    session.install('pytest-cov')
+    session.install('retrying')
+    session.install('unittest2')
+
+
 @nox.session
 @nox.parametrize('py', ['2.7', '3.4', '3.5', '3.6'])
 def unit(session, py):
@@ -53,8 +61,8 @@ def unit(session, py):
     # Run unit tests against all supported versions of Python.
     session.interpreter = 'python{}'.format(py)
 
-    # Install all test dependencies.
-    session.install('-r', 'requirements-test.txt')
+    # Install test dependencies.
+    _install_test_dependencies(session)
 
     # Install dev packages.
     _install_dev_packages(session)
@@ -92,8 +100,8 @@ def system(session, py):
     # Set the virtualenv dirname.
     session.virtualenv_dirname = 'sys-' + py
 
-    # Install all test dependencies.
-    session.install('-r', 'requirements-test.txt')
+    # Install test dependencies.
+    _install_test_dependencies(session)
 
     # Install dev packages into the virtualenv's dist-packages.
     _install_dev_packages(session)

requirements-test.txt

@@ -48,15 +48,15 @@ def test_get_aws_metadata(self, http_request_mock):
         labels_list = aws_identity_doc_utils.AwsIdentityDocumentUtils(
         ).get_aws_metadata()
 
-        self.assertEquals(len(labels_list), 3)
+        self.assertEqual(len(labels_list), 3)
 
         expected_labels = {
             'instance_id': 'i-1234567890abcdef0',
             'aws_account': '123456789012',
             'region': 'us-west-2'
         }
 
-        self.assertEquals(labels_list, expected_labels)
+        self.assertEqual(labels_list, expected_labels)
 
     @mock.patch('opencensus.common.monitored_resource.'
                 'aws_identity_doc_utils.get_request')
@@ -85,14 +85,14 @@ def test_get_aws_metadata_none_fields(self, http_request_mock):
         labels_list = aws_identity_doc_utils.AwsIdentityDocumentUtils(
         ).get_aws_metadata()
 
-        self.assertEquals(len(labels_list), 2)
+        self.assertEqual(len(labels_list), 2)
 
         expected_labels = {
             'aws_account': '123456789012',
             'region': 'us-west-2'
         }
 
-        self.assertEquals(labels_list, expected_labels)
+        self.assertEqual(labels_list, expected_labels)
 
     @mock.patch('opencensus.common.monitored_resource.'
                 'aws_identity_doc_utils.get_request')
@@ -108,4 +108,4 @@ def test_aws_not_running(self, http_request_mock):
         labels_list = aws_identity_doc_utils.AwsIdentityDocumentUtils(
         ).get_aws_metadata()
 
-        self.assertEquals(len(labels_list), 0)
+        self.assertEqual(len(labels_list), 0)

tests/unit/common/monitored_resource_util/test_aws_identity_doc_utils.py

@@ -44,7 +44,7 @@ def assign_attribute_value(*args, **kwargs):
         labels_list = gcp_metadata_config.GcpMetadataConfig().get_gce_metadata(
         )
 
-        self.assertEquals(len(labels_list), 3)
+        self.assertEqual(len(labels_list), 3)
 
         expected_labels = {
             'instance_id': 'my-instance',
@@ -81,7 +81,7 @@ def assign_attribute_value(*args, **kwargs):
         labels_list = gcp_metadata_config.GcpMetadataConfig().get_gce_metadata(
         )
 
-        self.assertEquals(len(labels_list), 3)
+        self.assertEqual(len(labels_list), 3)
 
         expected_labels = {
             'instance_id': 'my-instance',
@@ -103,5 +103,5 @@ def test_gcp_not_running(self, http_request_mock):
         self.assertFalse(
             gcp_metadata_config.GcpMetadataConfig.is_running_on_gcp())
 
-        self.assertEquals(
+        self.assertEqual(
             len(gcp_metadata_config.GcpMetadataConfig().get_gce_metadata()), 0)

tests/unit/common/monitored_resource_util/test_gcp_metadata_config.py

@@ -172,4 +172,4 @@ def test_context_manager(self):
         span_name = 'root_span'
         with self._make_one(span_name) as s:
             self.assertIsNotNone(s)
-            self.assertEquals(s.name, span_name)
+            self.assertEqual(s.name, span_name)