Add SilenceLoggerTestCaseMixin

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

HISTORY.rst

@@ -26,6 +26,8 @@
 * Update Pillow to version 6.0.0
 * Update PyYAML to version 5.1. Update use of safe_load and
   safe_dump to load and dump using the SafeLoader.
+* Add SilenceLoggerTestCaseMixin to lower level of loggers
+  during tests.
 
 3.1.11 (2019-04-XX)
 ===================

docs/releases/3.2.rst

@@ -50,6 +50,8 @@ Other changes
   to the API app's URLs module.
 * Update PyYAML to version 5.1. Update use of safe_load and
   safe_dump to load and dump using the CSafeLoader and SafeLoader as fallback.
+* Add SilenceLoggerTestCaseMixin to lower level of loggers
+  during tests.
 
 Removals
 --------

mayan/apps/common/tests/base.py

@@ -12,12 +12,12 @@ from mayan.apps.user_management.tests.mixins import UserTestCaseMixin
 from .mixins import (
     ClientMethodsTestCaseMixin, ContentTypeCheckTestCaseMixin,
     DatabaseConversionMixin, OpenFileCheckTestCaseMixin,
-    RandomPrimaryKeyModelMonkeyPatchMixin, TempfileCheckTestCasekMixin,
-    TestViewTestCaseMixin
+    RandomPrimaryKeyModelMonkeyPatchMixin, SilenceLoggerTestCaseMixin,
+    TempfileCheckTestCasekMixin, TestViewTestCaseMixin
 )
 
 
-class BaseTestCase(RandomPrimaryKeyModelMonkeyPatchMixin, DatabaseConversionMixin, ACLTestCaseMixin, OpenFileCheckTestCaseMixin, TempfileCheckTestCasekMixin, TestCase):
+class BaseTestCase(SilenceLoggerTestCaseMixin, RandomPrimaryKeyModelMonkeyPatchMixin, DatabaseConversionMixin, ACLTestCaseMixin, OpenFileCheckTestCaseMixin, TempfileCheckTestCasekMixin, TestCase):
     """
     This is the most basic test case class any test in the project should use.
     """

mayan/apps/common/tests/mixins.py

@@ -2,6 +2,7 @@ from __future__ import unicode_literals
 
 import glob
 import importlib
+import logging
 import os
 import random
 
@@ -209,6 +210,23 @@ class RandomPrimaryKeyModelMonkeyPatchMixin(object):
         super(RandomPrimaryKeyModelMonkeyPatchMixin, self).tearDown()
 
 
+class SilenceLoggerTestCaseMixin(object):
+    test_case_logger = None
+
+    def tearDown(self):
+        if self.test_case_logger:
+            self.test_case_logger.setLevel(level=self.test_case_logger_level)
+
+        super(SilenceLoggerTestCaseMixin, self).tearDown()
+
+    def _silence_logger(self, name):
+        self.test_case_logger = logging.getLogger(name=name)
+        self.test_case_logger_level = self.test_case_logger.level
+        self.test_case_logger.setLevel(
+            level=logging.CRITICAL
+        )
+
+
 class TempfileCheckTestCasekMixin(object):
     # Ignore the jvmstat instrumentation and GitLab's CI .config files
     # Ignore LibreOffice fontconfig cache dir

mayan/apps/converter/tests/test_transformations.py

@@ -112,6 +112,8 @@ class TransformationBaseTestCase(TestCase):
 
 class TransformationTestCase(GenericDocumentTestCase):
     def test_crop_transformation_optional_arguments(self):
+        self._silence_logger(name='mayan.apps.converter.managers')
+
         document_page = self.document.pages.first()
 
         Transformation.objects.add_for_model(
@@ -122,6 +124,8 @@ class TransformationTestCase(GenericDocumentTestCase):
         self.assertTrue(document_page.generate_image().startswith('page'))
 
     def test_crop_transformation_invalid_arguments(self):
+        self._silence_logger(name='mayan.apps.converter.managers')
+
         document_page = self.document.pages.first()
 
         Transformation.objects.add_for_model(
@@ -132,6 +136,8 @@ class TransformationTestCase(GenericDocumentTestCase):
         self.assertTrue(document_page.generate_image().startswith('page'))
 
     def test_crop_transformation_non_valid_range_arguments(self):
+        self._silence_logger(name='mayan.apps.converter.managers')
+
         document_page = self.document.pages.first()
 
         Transformation.objects.add_for_model(
@@ -142,6 +148,8 @@ class TransformationTestCase(GenericDocumentTestCase):
         self.assertTrue(document_page.generate_image().startswith('page'))
 
     def test_crop_transformation_overlapping_ranges_arguments(self):
+        self._silence_logger(name='mayan.apps.converter.managers')
+
         document_page = self.document.pages.first()
 
         Transformation.objects.add_for_model(