File: synchrony_driver.rb

package info (click to toggle)
ruby-redis 3.2.2-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 736 kB
  • ctags: 1,128
  • sloc: ruby: 8,149; makefile: 5
file content (88 lines) | stat: -rw-r--r-- 1,760 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
# encoding: UTF-8

require 'em-synchrony'
require 'em-synchrony/connection_pool'

require 'redis'
require 'redis/connection/synchrony'


require File.expand_path("./helper", File.dirname(__FILE__))

PORT    = 6381
OPTIONS = {:port => PORT, :db => 15}

#
# if running under Eventmachine + Synchrony (Ruby 1.9+), then
# we can simulate the blocking API while performing the network
# IO via the EM reactor.
#

EM.synchrony do
  r = Redis.new OPTIONS
  r.flushdb

  r.rpush "foo", "s1"
  r.rpush "foo", "s2"

  assert_equal 2, r.llen("foo")
  assert_equal "s2", r.rpop("foo")

  r.set("foo", "bar")

  assert_equal "bar", r.getset("foo", "baz")
  assert_equal "baz", r.get("foo")

  r.set("foo", "a")

  assert_equal 1, r.getbit("foo", 1)
  assert_equal 1, r.getbit("foo", 2)
  assert_equal 0, r.getbit("foo", 3)
  assert_equal 0, r.getbit("foo", 4)
  assert_equal 0, r.getbit("foo", 5)
  assert_equal 0, r.getbit("foo", 6)
  assert_equal 1, r.getbit("foo", 7)

  r.flushdb

  # command pipelining
  r.pipelined do
    r.lpush "foo", "s1"
    r.lpush "foo", "s2"
  end

  assert_equal 2, r.llen("foo")
  assert_equal "s2", r.lpop("foo")
  assert_equal "s1", r.lpop("foo")

  assert_equal "OK", r.client.call(:quit)
  assert_equal "PONG", r.ping


  rpool = EM::Synchrony::ConnectionPool.new(size: 5) { Redis.new OPTIONS }

  result = rpool.watch 'foo' do |rd|
    assert_kind_of Redis, rd

    rd.set "foo", "s1"
    rd.multi do |multi|
      multi.set "foo", "s2"
    end
  end

  assert_equal nil, result
  assert_equal "s1", rpool.get("foo")

  result = rpool.watch "foo" do |rd|
    assert_kind_of Redis, rd

    rd.multi do |multi|
      multi.set "foo", "s3"
    end
  end

  assert_equal ["OK"], result
  assert_equal "s3", rpool.get("foo")

  EM.stop
end