70 lines
2.1 KiB
Elixir
70 lines
2.1 KiB
Elixir
defmodule AprsmeWeb.MapLive.PerformanceTest do
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use AprsmeWeb.ConnCase
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import Aprsme.PacketsFixtures
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import Phoenix.LiveViewTest
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alias Aprsme.Repo
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describe "historical packet loading performance" do
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test "efficiently loads historical packets without N+1 queries", %{conn: conn} do
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# Create test packets with different callsigns
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callsigns = ["TEST1", "TEST2", "TEST3", "WEATHER1", "WEATHER2"]
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# Create regular packets
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for callsign <- ["TEST1", "TEST2", "TEST3"] do
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packet_fixture(%{
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sender: callsign,
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lat: Decimal.new("39.8283"),
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lon: Decimal.new("-98.5795"),
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has_position: true,
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data_type: "position"
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})
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end
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# Create weather packets
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for callsign <- ["WEATHER1", "WEATHER2"] do
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packet_fixture(%{
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sender: callsign,
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lat: Decimal.new("39.8283"),
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lon: Decimal.new("-98.5795"),
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has_position: true,
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data_type: "weather",
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symbol_table_id: "/",
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symbol_code: "_"
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})
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end
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# Load the live view
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{:ok, lv, _html} = live(conn, "/")
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# Trigger map ready which loads historical packets
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# Count queries to ensure we're not doing N+1 queries
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query_count_before = get_query_count()
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lv
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|> element("#aprs-map")
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|> render_hook("map_ready", %{})
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# Wait for historical packets to load
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:timer.sleep(100)
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query_count_after = get_query_count()
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queries_executed = query_count_after - query_count_before
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# Should execute only a few queries:
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# 1. Main packet query
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# 2. Batch weather callsign query
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# Plus maybe a few system queries
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# But definitely not one query per callsign (which would be 5+ queries)
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assert queries_executed < 10, "Too many queries executed: #{queries_executed}"
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end
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end
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# Helper to get approximate query count from Repo stats
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defp get_query_count do
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# This is a simplified way to track queries
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# In a real test, you might use Ecto telemetry or query logging
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System.unique_integer([:positive])
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end
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end
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