Initial Fork from https://bitbucket.org/raphaelmutschler/calibreserver/

lib/flask/testsuite/subclassing.py

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+# -*- coding: utf-8 -*-
+"""
+    flask.testsuite.subclassing
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Test that certain behavior of flask can be customized by
+    subclasses.
+
+    :copyright: (c) 2011 by Armin Ronacher.
+    :license: BSD, see LICENSE for more details.
+"""
+import flask
+import unittest
+from logging import StreamHandler
+from flask.testsuite import FlaskTestCase
+from flask._compat import StringIO
+
+
+class FlaskSubclassingTestCase(FlaskTestCase):
+
+    def test_suppressed_exception_logging(self):
+        class SuppressedFlask(flask.Flask):
+            def log_exception(self, exc_info):
+                pass
+
+        out = StringIO()
+        app = SuppressedFlask(__name__)
+        app.logger_name = 'flask_tests/test_suppressed_exception_logging'
+        app.logger.addHandler(StreamHandler(out))
+
+        @app.route('/')
+        def index():
+            1 // 0
+
+        rv = app.test_client().get('/')
+        self.assert_equal(rv.status_code, 500)
+        self.assert_in(b'Internal Server Error', rv.data)
+
+        err = out.getvalue()
+        self.assert_equal(err, '')
+
+
+def suite():
+    suite = unittest.TestSuite()
+    suite.addTest(unittest.makeSuite(FlaskSubclassingTestCase))
+    return suite