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require "test_helper"
require "stubs/test_connection"
require "stubs/room"
require "active_support/time"
class ActionCable::Channel::PeriodicTimersTest < ActiveSupport::TestCase
class ChatChannel < ActionCable::Channel::Base
# Method name arg
periodically :send_updates, every: 1
# Proc arg
periodically -> { ping }, every: 2
# Block arg
periodically every: 3 do
ping
end
private
def ping
end
end
setup do
@connection = TestConnection.new
end
test "periodic timers definition" do
timers = ChatChannel.periodic_timers
assert_equal 3, timers.size
timers.each_with_index do |timer, i|
assert_kind_of Proc, timer[0]
assert_equal i + 1, timer[1][:every]
end
end
test "disallow negative and zero periods" do
[ 0, 0.0, 0.seconds, -1, -1.seconds, "foo", :foo, Object.new ].each do |invalid|
e = assert_raise ArgumentError do
ChatChannel.periodically :send_updates, every: invalid
end
assert_match(/Expected every:/, e.message)
end
end
test "disallow block and arg together" do
e = assert_raise ArgumentError do
ChatChannel.periodically(:send_updates, every: 1) { ping }
end
assert_match(/not both/, e.message)
end
test "disallow unknown args" do
[ "send_updates", Object.new, nil ].each do |invalid|
e = assert_raise ArgumentError do
ChatChannel.periodically invalid, every: 1
end
assert_match(/Expected a Symbol/, e.message)
end
end
test "timer start and stop" do
@connection.server.event_loop.expects(:timer).times(3).returns(stub(shutdown: nil))
channel = ChatChannel.new @connection, "{id: 1}", id: 1
channel.subscribe_to_channel
channel.unsubscribe_from_channel
assert_equal [], channel.send(:active_periodic_timers)
end
end
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