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Three-layer pipeline: Plug for all HTTP requests (no JS needed), LiveView hook for SPA navigations, JS hook for screen width. ETS-backed buffer batches writes to SQLite every 10s. Daily-rotating salt for visitor hashing. Includes admin dashboard with date ranges, visitor trends, top pages, sources, devices, and e-commerce conversion funnel. Oban cron for 12-month data retention. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
116 lines
2.9 KiB
Elixir
116 lines
2.9 KiB
Elixir
defmodule BerrypodWeb.Plugs.AnalyticsTest do
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use BerrypodWeb.ConnCase, async: false
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import Ecto.Query
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alias Berrypod.Analytics.{Buffer, Event}
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alias Berrypod.Repo
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setup do
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send(Buffer, :flush)
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:timer.sleep(50)
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:ok
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end
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describe "analytics plug" do
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test "records a pageview on GET request", %{conn: conn} do
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conn
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|> put_req_header("user-agent", "Mozilla/5.0 Chrome/120.0")
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|> get(~p"/")
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send(Buffer, :flush)
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:timer.sleep(50)
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events =
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from(e in Event, where: e.pathname == "/" and e.name == "pageview")
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|> Repo.all()
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assert length(events) >= 1
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event = hd(events)
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assert event.browser == "Chrome"
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end
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test "does not record on POST request", %{conn: conn} do
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count_before = Repo.aggregate(Event, :count)
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conn
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|> put_req_header("user-agent", "Mozilla/5.0 Chrome/120.0")
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|> post(~p"/checkout", %{})
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send(Buffer, :flush)
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:timer.sleep(50)
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count_after = Repo.aggregate(Event, :count)
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# POST to /checkout shouldn't create a pageview event via the plug
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# (it may fail with a redirect, but the plug should have skipped)
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assert count_after == count_before
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end
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test "skips bots", %{conn: conn} do
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count_before = Repo.aggregate(Event, :count)
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conn
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|> put_req_header("user-agent", "Googlebot/2.1 (+http://www.google.com/bot.html)")
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|> get(~p"/")
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send(Buffer, :flush)
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:timer.sleep(50)
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count_after = Repo.aggregate(Event, :count)
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assert count_after == count_before
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end
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test "stores analytics data in session", %{conn: conn} do
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conn =
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conn
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|> put_req_header("user-agent", "Mozilla/5.0 Firefox/121.0")
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|> get(~p"/")
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assert get_session(conn, "analytics_visitor_hash") |> is_binary()
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assert get_session(conn, "analytics_browser") == "Firefox"
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end
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test "extracts referrer", %{conn: conn} do
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conn
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|> put_req_header("user-agent", "Mozilla/5.0 Chrome/120.0")
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|> put_req_header("referer", "https://www.google.com/search?q=test")
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|> get(~p"/")
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send(Buffer, :flush)
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:timer.sleep(50)
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event =
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from(e in Event,
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where: e.referrer == "google.com",
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order_by: [desc: e.inserted_at],
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limit: 1
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)
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|> Repo.one()
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assert event
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assert event.referrer_source == "Google"
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end
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test "extracts UTM params", %{conn: conn} do
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conn
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|> put_req_header("user-agent", "Mozilla/5.0 Chrome/120.0")
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|> get(~p"/?utm_source=newsletter&utm_medium=email&utm_campaign=spring")
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send(Buffer, :flush)
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:timer.sleep(50)
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event =
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from(e in Event,
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where: e.utm_source == "newsletter",
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order_by: [desc: e.inserted_at],
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limit: 1
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)
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|> Repo.one()
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assert event
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assert event.utm_medium == "email"
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assert event.utm_campaign == "spring"
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end
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end
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end
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