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116 lines
3.9 KiB
Elixir
116 lines
3.9 KiB
Elixir
defmodule Phoenix.Presence.ClientTest do
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use ExUnit.Case
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alias Phoenix.Presence.Client.PresenceMock
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alias Phoenix.Presence.Client
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@pubsub LiveBeats.PubSub
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@client Phoenix.Presence.Client.Mock
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@presence LiveBeatsWeb.Presence
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@presence_client_opts [client: @client, pubsub: @pubsub, presence: @presence]
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setup tags do
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pid = Ecto.Adapters.SQL.Sandbox.start_owner!(LiveBeats.Repo, shared: not tags[:async])
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on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
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:ok
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end
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test "A topic key is added to the topics state when a new process is tracked" do
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presence_key = 1
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topic = topic(100)
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{:ok, presence_client} = Client.start_link(@presence_client_opts)
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{:ok, presence_process} = PresenceMock.start_link(id: presence_key)
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Phoenix.PubSub.subscribe(@pubsub, topic)
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Process.monitor(presence_process)
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PresenceMock.track(presence_client, presence_process, topic, presence_key)
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assert_receive %{event: "presence_diff"}
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client_state = :sys.get_state(presence_client)
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assert %{topics: %{^topic => %{"1" => [%{phx_ref: _ref}]}}} = client_state
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end
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test "topic is removed from the topics state when there is no more presences" do
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presence_key = 1
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topic = topic(100)
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{:ok, presence_client} = Client.start_link(@presence_client_opts)
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{:ok, presence_process} = PresenceMock.start_link(id: presence_key)
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Phoenix.PubSub.subscribe(@pubsub, topic)
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Process.monitor(presence_process)
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PresenceMock.track(presence_client, presence_process, topic, presence_key)
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assert Process.alive?(presence_process)
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assert_receive %{event: "presence_diff"}
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client_state = :sys.get_state(presence_client)
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assert %{topics: %{^topic => %{"1" => [%{phx_ref: _ref}]}}} = client_state
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send(presence_process, :quit)
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assert_receive {:DOWN, _ref, :process, ^presence_process, _reason}
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client_state = :sys.get_state(presence_client)
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assert %{topics: %{}} = client_state
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end
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test "metas are accumulated when there are two presences for the same key" do
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presence_key = 1
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topic = topic(100)
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{:ok, presence_client} = Client.start_link(@presence_client_opts)
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{:ok, presence_process_1} = PresenceMock.start_link(id: presence_key)
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{:ok, presence_process_2} = PresenceMock.start_link(id: presence_key)
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Phoenix.PubSub.subscribe(@pubsub, topic)
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PresenceMock.track(presence_client, presence_process_1, topic, presence_key, %{m1: :m1})
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assert_receive %{event: "presence_diff"}
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PresenceMock.track(presence_client, presence_process_2, topic, presence_key, %{m2: :m2})
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assert_receive %{event: "presence_diff"}
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client_state = :sys.get_state(presence_client)
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assert %{topics: %{^topic => %{"1" => [%{m1: :m1}, %{m2: :m2}]}}} = client_state
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end
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test "Just one meta is deleted when there are two presences for the same key and one leaves" do
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presence_key = 1
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topic = topic(100)
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{:ok, presence_client} = Client.start_link(@presence_client_opts)
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{:ok, presence_process_1} = PresenceMock.start_link(id: presence_key)
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{:ok, presence_process_2} = PresenceMock.start_link(id: presence_key)
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Phoenix.PubSub.subscribe(@pubsub, topic)
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Process.monitor(presence_process_1)
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PresenceMock.track(presence_client, presence_process_1, topic, presence_key, %{m1: :m1})
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assert_receive %{event: "presence_diff"}
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PresenceMock.track(presence_client, presence_process_2, topic, presence_key, %{m2: :m2})
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assert_receive %{event: "presence_diff"}
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client_state = :sys.get_state(presence_client)
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assert %{topics: %{^topic => %{"1" => [%{m1: :m1}, %{m2: :m2}]}}} = client_state
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send(presence_process_1, :quit)
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assert_receive {:DOWN, _ref, :process, ^presence_process_1, _reason}
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assert_receive %{event: "presence_diff"}
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client_state = :sys.get_state(presence_client)
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assert %{topics: %{^topic => %{"1" => [%{m2: :m2}]}}} = client_state
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end
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defp topic(id) do
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"mock_topic:#{id}"
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end
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end
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