fix time command when connection-wide encoding is set (fixes #266)

Author: popravich

aioredis/commands/server.py

@@ -240,7 +240,7 @@ def _split(s):
 
 
 def to_time(obj):
-    return float(obj[0] + b'.' + obj[1].zfill(6))
+    return int(obj[0]) + int(obj[1]) * 1e-6
 
 
 def to_tuples(value):

tests/server_commands_test.py

@@ -273,6 +273,15 @@ def test_time(redis):
     pytest.assert_almost_equal(int(res), int(time.time()), delta=10)
 
 
+@pytest.mark.run_loop
+def test_time_with_encoding(create_redis, server, loop):
+    redis = yield from create_redis(server.tcp_address, loop=loop,
+                                    encoding='utf-8')
+    res = yield from redis.time()
+    assert isinstance(res, float)
+    pytest.assert_almost_equal(int(res), int(time.time()), delta=10)
+
+
 @pytest.mark.run_loop
 def test_slowlog_len(redis):
     res = yield from redis.slowlog_len()