/
helper.rb
232 lines (175 loc) · 4.4 KB
/
helper.rb
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$:.unshift File.expand_path("../lib", File.dirname(__FILE__))
$:.unshift File.expand_path(File.dirname(__FILE__))
require "test/unit"
require "logger"
require "stringio"
(class Random; def self.rand(*args) super end; end) unless defined?(Random)
begin
require "ruby-debug"
rescue LoadError
end
$VERBOSE = true
ENV["conn"] ||= "ruby"
require "redis"
require "redis/distributed"
require "redis/connection/#{ENV["conn"]}"
require "support/redis_mock"
require "support/connection/#{ENV["conn"]}"
PORT = 6381
OPTIONS = {:port => PORT, :db => 15, :timeout => Float(ENV["TIMEOUT"] || 0.1)}
NODES = ["redis://127.0.0.1:#{PORT}/15"]
def init(redis)
begin
redis.select 14
redis.flushdb
redis.select 15
redis.flushdb
redis
rescue Redis::CannotConnectError
puts <<-EOS
Cannot connect to Redis.
Make sure Redis is running on localhost, port #{PORT}.
This testing suite connects to the database 15.
Try this once:
$ rake clean
Then run the build again:
$ rake
EOS
exit 1
end
end
def driver(*drivers, &blk)
if drivers.map(&:to_s).include?(ENV["conn"])
class_eval(&blk)
end
end
module Helper
def run(runner)
if respond_to?(:around)
around { super(runner) }
else
super
end
end
def silent
verbose, $VERBOSE = $VERBOSE, false
begin
yield
ensure
$VERBOSE = verbose
end
end
def with_external_encoding(encoding)
original_encoding = Encoding.default_external
begin
silent { Encoding.default_external = Encoding.find(encoding) }
yield
ensure
silent { Encoding.default_external = original_encoding }
end
end
def try_encoding(encoding, &block)
if defined?(Encoding)
with_external_encoding(encoding, &block)
else
yield
end
end
class Version
include Comparable
attr :parts
def initialize(v)
case v
when Version
@parts = v.parts
else
@parts = v.to_s.split(".")
end
end
def <=>(other)
other = Version.new(other)
length = [self.parts.length, other.parts.length].max
length.times do |i|
a, b = self.parts[i], other.parts[i]
return -1 if a.nil?
return +1 if b.nil?
return a.to_i <=> b.to_i if a != b
end
0
end
end
module Generic
include Helper
attr_reader :log
attr_reader :redis
alias :r :redis
def setup
@log = StringIO.new
@redis = init _new_client
# Run GC to make sure orphaned connections are closed.
GC.start
end
def teardown
@redis.quit if @redis
end
def redis_mock(commands, options = {}, &blk)
RedisMock.start(commands, options) do |port|
yield _new_client(options.merge(:port => port))
end
end
def redis_mock_with_handler(handler, options = {}, &blk)
RedisMock.start_with_handler(handler, options) do |port|
yield _new_client(options.merge(:port => port))
end
end
def assert_in_range(range, value)
assert range.include?(value), "expected #{value} to be in #{range.inspect}"
end
def target_version(target)
if version < target
skip("Requires Redis > #{target}") if respond_to?(:skip)
else
yield
end
end
end
module Client
include Generic
def version
Version.new(redis.info["redis_version"])
end
private
def _format_options(options)
OPTIONS.merge(:logger => ::Logger.new(@log)).merge(options)
end
def _new_client(options = {})
Redis.new(_format_options(options).merge(:driver => ENV["conn"]))
end
end
module Distributed
include Generic
def version
Version.new(redis.info.first["redis_version"])
end
private
def _format_options(options)
{
:timeout => OPTIONS[:timeout],
:logger => ::Logger.new(@log),
}.merge(options)
end
def _new_client(options = {})
Redis::Distributed.new(NODES, _format_options(options).merge(:driver => ENV["conn"]))
end
end
# Basic support for `skip` in 1.8.x
# Note: YOU MUST use `return skip(message)` in order to appropriately bail
# from a running test.
module Skipable
Skipped = Class.new(RuntimeError)
def skip(message = nil, bt = caller)
return super if defined?(super)
$stderr.puts("SKIPPED: #{self} #{message || 'no reason given'}")
end
end
end