Fix #212: Pin Redis to version 2.10.6 (#214)

* Redis 3.0 does not try to coerse boolean to string. (https://github.com/andymccurdy/redis-py/blob/3.0/README.rst)

* Use pytest < 4.0

* Pin redis to 2.10.6

* Update changelog

CHANGES.rst

@@ -5,7 +5,7 @@ Changelog for Websauna
 1.0a13 (unreleased)
 -------------------
 
-- Nothing changed yet.
+- Closes `Issue #212`_: Pin to Redis version 2.10.6.
 
 
 1.0a12 (2018-11-01)
@@ -160,3 +160,4 @@ Changelog for Websauna
 .. _`Issue #193`: https://github.com/websauna/websauna/issues/193
 .. _`Issue #195`: https://github.com/websauna/websauna/issues/195
 .. _`Issue #206`: https://github.com/websauna/websauna/issues/206
+.. _`Issue #212`: https://github.com/websauna/websauna/issues/212

setup.py

@@ -85,6 +85,9 @@
 
         # Misc
         "python-slugify",  # ASCII slug generation
+
+        # Redis
+        "redis==2.10.6",
     ],
 
     extras_require={
@@ -111,7 +114,7 @@
             'pytest-runner',
             'pytest-splinter',
             'pytest-timeout',
-            'pytest>=3.0',
+            'pytest<4.0',
             'webtest',
         ],
         "notebook": [

websauna/system/core/redis.py

@@ -134,7 +134,7 @@ def is_sane_redis(config: Configurator) -> bool:
     """
     try:
         redis = get_redis(config.registry)
-        redis.set("websauna_session_test", True)
+        redis.set("websauna_session_test", "success")
         return True
     except ConnectionError:
         return False