From 918e2ba8d06ca0aff63cc2354539274a6a1f6105 Mon Sep 17 00:00:00 2001
From: zyguan <zhongyangguan@gmail.com>
Date: Mon, 24 Jul 2017 11:53:11 +0800
Subject: [PATCH 1/2] Revert "fix #752"

This reverts commit 599fbcee6e1e427829a9f03de7f7aad2ee67ac22.
---
 sanic/app.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sanic/app.py b/sanic/app.py
index f1e8be7e..f0ccad86 100644
--- a/sanic/app.py
+++ b/sanic/app.py
@@ -33,9 +33,7 @@ class Sanic:
             logging.config.dictConfig(log_config)
         # Only set up a default log handler if the
         # end-user application didn't set anything up.
-        if not (logging.root.handlers and
-                log.level == logging.NOTSET and
-                log_config):
+        if not logging.root.handlers and log.level == logging.NOTSET:
             formatter = logging.Formatter(
                 "%(asctime)s: %(levelname)s: %(message)s")
             handler = logging.StreamHandler()

From da91b16244958b862b95077815e6a7d39b2d019b Mon Sep 17 00:00:00 2001
From: zyguan <zhongyangguan@gmail.com>
Date: Mon, 24 Jul 2017 18:21:15 +0800
Subject: [PATCH 2/2] add tests

---
 tests/test_logging.py | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/tests/test_logging.py b/tests/test_logging.py
index fc26ca93..d6911d86 100644
--- a/tests/test_logging.py
+++ b/tests/test_logging.py
@@ -1,5 +1,7 @@
-import asyncio
 import uuid
+from importlib import reload
+
+from sanic.config import LOGGING
 from sanic.response import text
 from sanic import Sanic
 from io import StringIO
@@ -10,6 +12,11 @@ function: %(funcName)s(); \
 message: %(message)s'''
 
 
+def reset_logging():
+    logging.shutdown()
+    reload(logging)
+
+
 def test_log():
     log_stream = StringIO()
     for handler in logging.root.handlers[:]:
@@ -32,5 +39,19 @@ def test_log():
     log_text = log_stream.getvalue()
     assert rand_string in log_text
 
+
+def test_default_log_fmt():
+
+    reset_logging()
+    Sanic()
+    for fmt in [h.formatter for h in logging.getLogger('sanic').handlers]:
+        assert fmt._fmt == LOGGING['formatters']['simple']['format']
+
+    reset_logging()
+    Sanic(log_config=None)
+    for fmt in [h.formatter for h in logging.getLogger('sanic').handlers]:
+        assert fmt._fmt == "%(asctime)s: %(levelname)s: %(message)s"
+
+
 if __name__ == "__main__":
     test_log()