288 lines
10 KiB
Ruby
288 lines
10 KiB
Ruby
# frozen_string_literal: true
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require 'presence_channel'
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RSpec.describe PresenceChannel do
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fab!(:user) { Fabricate(:user) }
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fab!(:group) { Fabricate(:group).tap { |g| g.add(user) } }
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fab!(:user2) { Fabricate(:user) }
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before do
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PresenceChannel.clear_all!
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secure_user = Fabricate(:user)
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secure_group = Fabricate(:group)
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PresenceChannel.register_prefix("test") do |channel|
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case channel
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when /\A\/test\/public\d*\z/
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PresenceChannel::Config.new(public: true)
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when "/test/secureuser"
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PresenceChannel::Config.new(allowed_user_ids: [ secure_user.id ])
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when "/test/securegroup"
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PresenceChannel::Config.new(allowed_group_ids: [ secure_group.id ])
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when "/test/alloweduser"
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PresenceChannel::Config.new(allowed_user_ids: [ user.id ])
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when "/test/allowedgroup"
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PresenceChannel::Config.new(allowed_group_ids: [ group.id ])
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when "/test/noaccess"
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PresenceChannel::Config.new
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when "/test/countonly"
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PresenceChannel::Config.new(count_only: true, public: true)
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else
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nil
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end
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end
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end
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after do
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PresenceChannel.clear_all!
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PresenceChannel.unregister_prefix('test')
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end
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it "can perform basic channel functionality" do
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channel1 = PresenceChannel.new("/test/public1")
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channel2 = PresenceChannel.new("/test/public1")
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channel3 = PresenceChannel.new("/test/public1")
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expect(channel3.user_ids).to eq([])
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channel1.present(user_id: user.id, client_id: 1)
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channel2.present(user_id: user.id, client_id: 2)
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expect(channel3.user_ids).to eq([user.id])
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expect(channel3.count).to eq(1)
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channel1.leave(user_id: user.id, client_id: 2)
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expect(channel3.user_ids).to eq([user.id])
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expect(channel3.count).to eq(1)
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channel2.leave(user_id: user.id, client_id: 1)
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expect(channel3.user_ids).to eq([])
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expect(channel3.count).to eq(0)
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end
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it "can automatically expire users" do
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channel = PresenceChannel.new("/test/public1")
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channel.present(user_id: user.id, client_id: 76)
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channel.present(user_id: user.id, client_id: 77)
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expect(channel.count).to eq(1)
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freeze_time Time.zone.now + 1 + PresenceChannel::DEFAULT_TIMEOUT
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Jobs::PresenceChannelAutoLeave.new.execute({})
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expect(channel.count).to eq(0)
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end
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it "correctly sends messages to message bus" do
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channel = PresenceChannel.new("/test/public1")
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messages = MessageBus.track_publish(channel.message_bus_channel_name) do
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channel.present(user_id: user.id, client_id: "a")
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end
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data = messages.map(&:data)
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expect(data.count).to eq(1)
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expect(data[0].keys).to contain_exactly("entering_users")
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expect(data[0]["entering_users"].map { |u| u[:id] }).to contain_exactly(user.id)
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freeze_time Time.zone.now + 1 + PresenceChannel::DEFAULT_TIMEOUT
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messages = MessageBus.track_publish(channel.message_bus_channel_name) do
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channel.auto_leave
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end
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data = messages.map(&:data)
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expect(data.count).to eq(1)
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expect(data[0].keys).to contain_exactly("leaving_user_ids")
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expect(data[0]["leaving_user_ids"]).to contain_exactly(user.id)
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end
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it "can track active channels, and auto_leave_all successfully" do
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channel1 = PresenceChannel.new("/test/public1")
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channel2 = PresenceChannel.new("/test/public2")
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channel1.present(user_id: user.id, client_id: "a")
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channel2.present(user_id: user.id, client_id: "a")
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start_time = Time.zone.now
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freeze_time start_time + PresenceChannel::DEFAULT_TIMEOUT / 2
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channel2.present(user_id: user2.id, client_id: "b")
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freeze_time start_time + PresenceChannel::DEFAULT_TIMEOUT + 1
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messages = MessageBus.track_publish do
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PresenceChannel.auto_leave_all
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end
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expect(messages.map { |m| [ m.channel, m.data ] }).to contain_exactly(
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["/presence/test/public1", { "leaving_user_ids" => [user.id] }],
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["/presence/test/public2", { "leaving_user_ids" => [user.id] }]
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)
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expect(channel1.user_ids).to eq([])
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expect(channel2.user_ids).to eq([user2.id])
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end
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it 'only sends one `enter` and `leave` message' do
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channel = PresenceChannel.new("/test/public1")
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messages = MessageBus.track_publish(channel.message_bus_channel_name) do
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channel.present(user_id: user.id, client_id: "a")
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channel.present(user_id: user.id, client_id: "a")
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channel.present(user_id: user.id, client_id: "b")
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end
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data = messages.map(&:data)
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expect(data.count).to eq(1)
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expect(data[0].keys).to contain_exactly("entering_users")
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expect(data[0]["entering_users"].map { |u| u[:id] }).to contain_exactly(user.id)
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messages = MessageBus.track_publish(channel.message_bus_channel_name) do
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channel.leave(user_id: user.id, client_id: "a")
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channel.leave(user_id: user.id, client_id: "a")
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channel.leave(user_id: user.id, client_id: "b")
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end
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data = messages.map(&:data)
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expect(data.count).to eq(1)
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expect(data[0].keys).to contain_exactly("leaving_user_ids")
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expect(data[0]["leaving_user_ids"]).to contain_exactly(user.id)
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end
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it "will return the messagebus last_id in the state payload" do
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channel = PresenceChannel.new("/test/public1")
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channel.present(user_id: user.id, client_id: "a")
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channel.present(user_id: user2.id, client_id: "a")
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state = channel.state
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expect(state.user_ids).to contain_exactly(user.id, user2.id)
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expect(state.count).to eq(2)
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expect(state.message_bus_last_id).to eq(MessageBus.last_id(channel.message_bus_channel_name))
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end
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it "sets an expiry on all channel-specific keys" do
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r = Discourse.redis.without_namespace
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channel = PresenceChannel.new("/test/public1")
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channel.present(user_id: user.id, client_id: "a")
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channels_ttl = r.ttl(PresenceChannel.redis_key_channel_list)
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expect(channels_ttl).to eq(-1) # Persistent
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initial_zlist_ttl = r.ttl(channel.send(:redis_key_zlist))
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initial_hash_ttl = r.ttl(channel.send(:redis_key_hash))
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expect(initial_zlist_ttl).to be_between(PresenceChannel::GC_SECONDS, PresenceChannel::GC_SECONDS + 5.minutes)
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expect(initial_hash_ttl).to be_between(PresenceChannel::GC_SECONDS, PresenceChannel::GC_SECONDS + 5.minutes)
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freeze_time 1.minute.from_now
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# PresenceChannel#present is responsible for bumping ttl
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channel.present(user_id: user.id, client_id: "a")
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new_zlist_ttl = r.ttl(channel.send(:redis_key_zlist))
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new_hash_ttl = r.ttl(channel.send(:redis_key_hash))
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expect(new_zlist_ttl).to be > initial_zlist_ttl
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expect(new_hash_ttl).to be > initial_hash_ttl
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end
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it 'handles security correctly for anon' do
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expect(PresenceChannel.new("/test/public1").can_enter?(user_id: nil)).to eq(false)
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expect(PresenceChannel.new("/test/secureuser").can_enter?(user_id: nil)).to eq(false)
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expect(PresenceChannel.new("/test/securegroup").can_enter?(user_id: nil)).to eq(false)
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expect(PresenceChannel.new("/test/noaccess").can_enter?(user_id: nil)).to eq(false)
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expect(PresenceChannel.new("/test/public1").can_view?(user_id: nil)).to eq(true)
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expect(PresenceChannel.new("/test/secureuser").can_view?(user_id: nil)).to eq(false)
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expect(PresenceChannel.new("/test/securegroup").can_view?(user_id: nil)).to eq(false)
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expect(PresenceChannel.new("/test/noaccess").can_view?(user_id: nil)).to eq(false)
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end
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it 'handles security correctly for a user' do
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expect(PresenceChannel.new("/test/secureuser").can_enter?(user_id: user.id)).to eq(false)
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expect(PresenceChannel.new("/test/securegroup").can_enter?(user_id: user.id)).to eq(false)
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expect(PresenceChannel.new("/test/alloweduser").can_enter?(user_id: user.id)).to eq(true)
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expect(PresenceChannel.new("/test/allowedgroup").can_enter?(user_id: user.id)).to eq(true)
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expect(PresenceChannel.new("/test/noaccess").can_enter?(user_id: user.id)).to eq(false)
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expect(PresenceChannel.new("/test/secureuser").can_view?(user_id: user.id)).to eq(false)
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expect(PresenceChannel.new("/test/securegroup").can_view?(user_id: user.id)).to eq(false)
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expect(PresenceChannel.new("/test/alloweduser").can_view?(user_id: user.id)).to eq(true)
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expect(PresenceChannel.new("/test/allowedgroup").can_view?(user_id: user.id)).to eq(true)
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expect(PresenceChannel.new("/test/noaccess").can_view?(user_id: user.id)).to eq(false)
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end
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it 'publishes messages with appropriate security' do
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channel = PresenceChannel.new("/test/alloweduser")
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messages = MessageBus.track_publish(channel.message_bus_channel_name) do
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channel.present(user_id: user.id, client_id: "a")
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end
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expect(messages.count).to eq(1)
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expect(messages[0].user_ids).to eq([user.id])
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channel = PresenceChannel.new("/test/allowedgroup")
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messages = MessageBus.track_publish(channel.message_bus_channel_name) do
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channel.present(user_id: user.id, client_id: "a")
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end
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expect(messages.count).to eq(1)
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expect(messages[0].group_ids).to eq([group.id])
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end
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it 'publishes messages correctly in count_only mode' do
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channel = PresenceChannel.new("/test/countonly")
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messages = MessageBus.track_publish(channel.message_bus_channel_name) do
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channel.present(user_id: user.id, client_id: "a")
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end
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expect(messages.count).to eq(1)
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expect(messages[0].data).to eq({
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"count_delta" => 1
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})
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messages = MessageBus.track_publish(channel.message_bus_channel_name) do
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channel.leave(user_id: user.id, client_id: "a")
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end
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expect(messages.count).to eq(1)
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expect(messages[0].data).to eq({
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"count_delta" => -1
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})
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end
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it "sets a mutex when the change involves publishing messages" do
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channel = PresenceChannel.new("/test/public1")
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messages_published = 0
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channel.define_singleton_method(:publish_message) do |*args, **kwargs|
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val = PresenceChannel.redis.get(redis_key_mutex)
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raise "Mutex was not set" if val.nil?
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messages_published += 1
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end
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redis_key_mutex = Discourse.redis.namespace_key("_presence_/test/public1_mutex")
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# Enter and leave
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expect(PresenceChannel.redis.get(redis_key_mutex)).to eq(nil)
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channel.present(user_id: user.id, client_id: 'a')
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expect(PresenceChannel.redis.get(redis_key_mutex)).to eq(nil)
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channel.leave(user_id: user.id, client_id: 'a')
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expect(PresenceChannel.redis.get(redis_key_mutex)).to eq(nil)
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expect(messages_published).to eq(2)
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# Enter and auto_leave
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channel.present(user_id: user.id, client_id: 'a')
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expect(PresenceChannel.redis.get(redis_key_mutex)).to eq(nil)
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freeze_time 1.hour.from_now
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channel.auto_leave
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expect(PresenceChannel.redis.get(redis_key_mutex)).to eq(nil)
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expect(messages_published).to eq(4)
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end
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end
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