132 lines
3.3 KiB
Ruby
132 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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require "test_helper"
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require "concurrent"
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require "active_support/core_ext/hash/indifferent_access"
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require "pathname"
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module CommonSubscriptionAdapterTest
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WAIT_WHEN_EXPECTING_EVENT = 3
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WAIT_WHEN_NOT_EXPECTING_EVENT = 0.2
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def setup
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server = ActionCable::Server::Base.new
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server.config.cable = cable_config.with_indifferent_access
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server.config.logger = Logger.new(StringIO.new).tap { |l| l.level = Logger::UNKNOWN }
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adapter_klass = server.config.pubsub_adapter
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@rx_adapter = adapter_klass.new(server)
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@tx_adapter = adapter_klass.new(server)
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end
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def teardown
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[@rx_adapter, @tx_adapter].uniq.compact.each(&:shutdown)
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end
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def subscribe_as_queue(channel, adapter = @rx_adapter)
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queue = Queue.new
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callback = -> data { queue << data }
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subscribed = Concurrent::Event.new
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adapter.subscribe(channel, callback, Proc.new { subscribed.set })
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subscribed.wait(WAIT_WHEN_EXPECTING_EVENT)
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assert_predicate subscribed, :set?
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yield queue
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sleep WAIT_WHEN_NOT_EXPECTING_EVENT
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assert_empty queue
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ensure
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adapter.unsubscribe(channel, callback) if subscribed.set?
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end
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def test_subscribe_and_unsubscribe
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subscribe_as_queue("channel") do |queue|
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end
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end
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def test_basic_broadcast
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subscribe_as_queue("channel") do |queue|
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@tx_adapter.broadcast("channel", "hello world")
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assert_equal "hello world", queue.pop
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end
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end
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def test_broadcast_after_unsubscribe
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keep_queue = nil
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subscribe_as_queue("channel") do |queue|
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keep_queue = queue
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@tx_adapter.broadcast("channel", "hello world")
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assert_equal "hello world", queue.pop
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end
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@tx_adapter.broadcast("channel", "hello void")
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sleep WAIT_WHEN_NOT_EXPECTING_EVENT
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assert_empty keep_queue
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end
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def test_multiple_broadcast
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subscribe_as_queue("channel") do |queue|
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@tx_adapter.broadcast("channel", "bananas")
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@tx_adapter.broadcast("channel", "apples")
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received = []
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2.times { received << queue.pop }
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assert_equal ["apples", "bananas"], received.sort
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end
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end
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def test_identical_subscriptions
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subscribe_as_queue("channel") do |queue|
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subscribe_as_queue("channel") do |queue_2|
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@tx_adapter.broadcast("channel", "hello")
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assert_equal "hello", queue_2.pop
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end
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assert_equal "hello", queue.pop
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end
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end
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def test_simultaneous_subscriptions
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subscribe_as_queue("channel") do |queue|
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subscribe_as_queue("other channel") do |queue_2|
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@tx_adapter.broadcast("channel", "apples")
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@tx_adapter.broadcast("other channel", "oranges")
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assert_equal "apples", queue.pop
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assert_equal "oranges", queue_2.pop
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end
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end
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end
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def test_channel_filtered_broadcast
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subscribe_as_queue("channel") do |queue|
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@tx_adapter.broadcast("other channel", "one")
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@tx_adapter.broadcast("channel", "two")
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assert_equal "two", queue.pop
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end
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end
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def test_long_identifiers
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channel_1 = "a" * 100 + "1"
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channel_2 = "a" * 100 + "2"
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subscribe_as_queue(channel_1) do |queue|
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subscribe_as_queue(channel_2) do |queue_2|
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@tx_adapter.broadcast(channel_1, "apples")
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@tx_adapter.broadcast(channel_2, "oranges")
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assert_equal "apples", queue.pop
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assert_equal "oranges", queue_2.pop
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end
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end
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end
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end
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