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Marcello Costagliola
c761763c8c
Every boost had its own fragment, nested inside the message fragment that already holds it. With a cold cache, a read and a write per boost plus a read_multi and a write_multi per message: a room page of 40 messages with 120 boosts takes ~410 ms instead of ~290 ms. Redis runs without persistence (config/redis.conf), so every page is cold after a restart. A boost touches its message, so adding or removing one rewrites the message fragment anyway. The inner fragments only paid off when a message with many boosts was drawn again, and there they hid a lookup per booster. The boosters are now loaded with the boosts, one query per message. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0142qgjggdJ2KDdGk7RF9Xm9
51 lines
1.7 KiB
Ruby
51 lines
1.7 KiB
Ruby
require "test_helper"
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class Messages::BoostsControllerTest < ActionDispatch::IntegrationTest
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setup do
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sign_in :david
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@message = messages(:first)
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end
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test "index wires the new boost link to the soft keyboard" do
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get message_boosts_url(@message)
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assert_response :success
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assert_select ".message__boost-inline a.boost__action[data-action='soft-keyboard#open']"
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end
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test "index looks up the boosters of all boosts at once" do
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@message.boosts.create! booster: users(:jason), content: "🎉"
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queries_with_two_boosts = count_queries { get message_boosts_url(@message) }
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boost = @message.boosts.create! booster: users(:kevin), content: "👀"
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assert_equal queries_with_two_boosts, count_queries { get message_boosts_url(@message) }
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assert_select "#" + dom_id(boost)
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end
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test "create" do
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assert_turbo_stream_broadcasts [ @message.room, :messages ], count: 1 do
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assert_difference -> { @message.boosts.count }, 1 do
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post message_boosts_url(@message, format: :turbo_stream), params: { boost: { content: "Morning!" } }
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assert_redirected_to message_boosts_url(@message)
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end
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end
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end
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test "destroy" do
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assert_turbo_stream_broadcasts [ @message.room, :messages ], count: 1 do
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assert_difference -> { @message.boosts.count }, -1 do
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delete message_boost_url(@message, boosts(:first), format: :turbo_stream)
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assert_response :success
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end
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end
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end
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private
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def count_queries(&block)
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count = 0
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counter = ->(*, payload) { count += 1 unless payload[:name] == "SCHEMA" || payload[:cached] }
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ActiveSupport::Notifications.subscribed(counter, "sql.active_record", &block)
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count
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end
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end
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