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From christ...@apache.org
Subject [incubator-superset] branch lyftga updated: Injectable statsd client (#7138)
Date Fri, 29 Mar 2019 01:10:36 GMT
This is an automated email from the ASF dual-hosted git repository.

christine pushed a commit to branch lyftga
in repository https://gitbox.apache.org/repos/asf/incubator-superset.git


The following commit(s) were added to refs/heads/lyftga by this push:
     new 4407442  Injectable statsd client (#7138)
4407442 is described below

commit 440744200d828345f622a82a3bf22a2ec4f3afa0
Author: Dave Smith <dave.a.smith@gmail.com>
AuthorDate: Wed Mar 27 14:08:36 2019 -0700

    Injectable statsd client (#7138)
    
    * Add ability to inject statsd client; some py test/reqs updates
    
    - Updated the metrics logger to allow construction with an existing
    statsd client, so that it can be configured by external systems or libs.
    - added requirements to requirements-dev.txt which are needed to run
      tests-eg coverage, nose
    - removed dependency on mock lib, it is in python stdlib now
    - updated tox.ini to remove the now-superfluous deps
    
    * add license to test file, and remove blank line at EOF
    
    (cherry picked from commit ba19a62412aba27d9c38ec7013f13a976cb6c054)
---
 requirements-dev.txt          |  2 ++
 superset/stats_logger.py      | 15 +++++++++++--
 tests/access_tests.py         |  3 +--
 tests/base_tests.py           |  2 +-
 tests/core_tests.py           |  2 +-
 tests/db_engine_specs_test.py |  2 +-
 tests/druid_func_tests.py     |  2 +-
 tests/druid_tests.py          |  3 +--
 tests/email_tests.py          |  3 +--
 tests/schedules_test.py       |  2 +-
 tests/stats_logger_tests.py   | 50 +++++++++++++++++++++++++++++++++++++++++++
 tests/utils_tests.py          |  2 +-
 tests/viz_tests.py            |  2 +-
 tox.ini                       |  3 ---
 14 files changed, 75 insertions(+), 18 deletions(-)

diff --git a/requirements-dev.txt b/requirements-dev.txt
index 872fb04..6c9e506 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -15,6 +15,7 @@
 # limitations under the License.
 #
 console_log==0.2.10
+coverage==4.5.3
 flake8-commas==2.0.0
 flake8-import-order==0.18
 flake8-quotes==1.0.0
@@ -22,6 +23,7 @@ flake8==3.6.0
 flask-cors==3.0.6
 ipdb==0.11
 mysqlclient==1.3.13
+nose==1.3.7
 pip-tools==3.1.0
 psycopg2-binary==2.7.5
 pycodestyle==2.4.0
diff --git a/superset/stats_logger.py b/superset/stats_logger.py
index ce4b400..3ab6313 100644
--- a/superset/stats_logger.py
+++ b/superset/stats_logger.py
@@ -73,8 +73,19 @@ try:
     from statsd import StatsClient
 
     class StatsdStatsLogger(BaseStatsLogger):
-        def __init__(self, host, port, prefix='superset'):
-            self.client = StatsClient(host=host, port=port, prefix=prefix)
+
+        def __init__(self, host='localhost', port=8125,
+                     prefix='superset', statsd_client=None):
+            """
+            Initializes from either params or a supplied, pre-constructed statsd client.
+
+            If statsd_client argument is given, all other arguments are ignored and the
+            supplied client will be used to emit metrics.
+            """
+            if statsd_client:
+                self.client = statsd_client
+            else:
+                self.client = StatsClient(host=host, port=port, prefix=prefix)
 
         def incr(self, key):
             self.client.incr(key)
diff --git a/tests/access_tests.py b/tests/access_tests.py
index f363401..f608f00 100644
--- a/tests/access_tests.py
+++ b/tests/access_tests.py
@@ -17,8 +17,7 @@
 """Unit tests for Superset"""
 import json
 import unittest
-
-import mock
+from unittest import mock
 
 from superset import app, db, security_manager
 from superset.connectors.connector_registry import ConnectorRegistry
diff --git a/tests/base_tests.py b/tests/base_tests.py
index 8884bbb..8555915 100644
--- a/tests/base_tests.py
+++ b/tests/base_tests.py
@@ -17,9 +17,9 @@
 """Unit tests for Superset"""
 import json
 import unittest
+from unittest.mock import Mock, patch
 
 from flask_appbuilder.security.sqla import models as ab_models
-from mock import Mock, patch
 import pandas as pd
 
 from superset import app, db, is_feature_enabled, security_manager
diff --git a/tests/core_tests.py b/tests/core_tests.py
index 14a6ed8..00e83ac 100644
--- a/tests/core_tests.py
+++ b/tests/core_tests.py
@@ -26,8 +26,8 @@ import random
 import re
 import string
 import unittest
+from unittest import mock
 
-import mock
 import pandas as pd
 import psycopg2
 import sqlalchemy as sqla
diff --git a/tests/db_engine_specs_test.py b/tests/db_engine_specs_test.py
index 1390f50..9d7b368 100644
--- a/tests/db_engine_specs_test.py
+++ b/tests/db_engine_specs_test.py
@@ -15,8 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 import inspect
+from unittest import mock
 
-import mock
 from sqlalchemy import column
 
 from superset import db_engine_specs
diff --git a/tests/druid_func_tests.py b/tests/druid_func_tests.py
index d2e9edc..cf0c5e9 100644
--- a/tests/druid_func_tests.py
+++ b/tests/druid_func_tests.py
@@ -16,8 +16,8 @@
 # under the License.
 import json
 import unittest
+from unittest.mock import Mock
 
-from mock import Mock
 from pydruid.utils.dimensions import MapLookupExtraction, RegexExtraction
 import pydruid.utils.postaggregator as postaggs
 
diff --git a/tests/druid_tests.py b/tests/druid_tests.py
index ab26a98..78d1bb8 100644
--- a/tests/druid_tests.py
+++ b/tests/druid_tests.py
@@ -18,8 +18,7 @@
 from datetime import datetime
 import json
 import unittest
-
-from mock import Mock, patch
+from unittest.mock import Mock, patch
 
 from superset import db, security_manager
 from superset.connectors.druid.models import (
diff --git a/tests/email_tests.py b/tests/email_tests.py
index 163d1c3..7e1830c 100644
--- a/tests/email_tests.py
+++ b/tests/email_tests.py
@@ -22,8 +22,7 @@ from email.mime.multipart import MIMEMultipart
 import logging
 import tempfile
 import unittest
-
-import mock
+from unittest import mock
 
 from superset import app
 from superset.utils import core as utils
diff --git a/tests/schedules_test.py b/tests/schedules_test.py
index 858cb7e..b0d311a 100644
--- a/tests/schedules_test.py
+++ b/tests/schedules_test.py
@@ -16,9 +16,9 @@
 # under the License.
 from datetime import datetime, timedelta
 import unittest
+from unittest.mock import Mock, patch, PropertyMock
 
 from flask_babel import gettext as __
-from mock import Mock, patch, PropertyMock
 from selenium.common.exceptions import WebDriverException
 
 from superset import app, db
diff --git a/tests/stats_logger_tests.py b/tests/stats_logger_tests.py
new file mode 100644
index 0000000..531c136
--- /dev/null
+++ b/tests/stats_logger_tests.py
@@ -0,0 +1,50 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""Unit tests for Superset"""
+from unittest import TestCase
+from unittest.mock import Mock, patch
+
+from superset.stats_logger import StatsdStatsLogger
+
+
+class StatsdStatsLoggerTest(TestCase):
+
+    def verify_client_calls(self, logger, client):
+        logger.incr('foo1')
+        client.incr.assert_called_once()
+        client.incr.assert_called_with('foo1')
+        logger.decr('foo2')
+        client.decr.assert_called_once()
+        client.decr.assert_called_with('foo2')
+        logger.gauge('foo3')
+        client.gauge.assert_called_once()
+        client.gauge.assert_called_with('foo3')
+        logger.timing('foo4', 1.234)
+        client.timing.assert_called_once()
+        client.timing.assert_called_with('foo4', 1.234)
+
+    def test_init_with_statsd_client(self):
+        client = Mock()
+        stats_logger = StatsdStatsLogger(statsd_client=client)
+        self.verify_client_calls(stats_logger, client)
+
+    def test_init_with_params(self):
+        with patch('superset.stats_logger.StatsClient') as MockStatsdClient:
+            mock_client = MockStatsdClient.return_value
+
+            stats_logger = StatsdStatsLogger()
+            self.verify_client_calls(stats_logger, mock_client)
diff --git a/tests/utils_tests.py b/tests/utils_tests.py
index 587e07f..7e29089 100644
--- a/tests/utils_tests.py
+++ b/tests/utils_tests.py
@@ -17,9 +17,9 @@
 from datetime import date, datetime, time, timedelta
 from decimal import Decimal
 import unittest
+from unittest.mock import patch
 import uuid
 
-from mock import patch
 import numpy
 
 from superset.exceptions import SupersetException
diff --git a/tests/viz_tests.py b/tests/viz_tests.py
index b84c661..facb8c3 100644
--- a/tests/viz_tests.py
+++ b/tests/viz_tests.py
@@ -15,9 +15,9 @@
 # specific language governing permissions and limitations
 # under the License.
 from datetime import datetime
+from unittest.mock import Mock, patch
 import uuid
 
-from mock import Mock, patch
 import pandas as pd
 
 from superset import app
diff --git a/tox.ini b/tox.ini
index 243e1ac..39294d7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -51,9 +51,6 @@ commands =
 deps =
     -rrequirements.txt
     -rrequirements-dev.txt
-    coverage
-    mock
-    nose
 setenv =
     PYTHONPATH = {toxinidir}
     SUPERSET_CONFIG = tests.superset_test_config


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