Test Segment tracking after user creation

config/test.exs

@@ -28,7 +28,7 @@ config :code_corps, allowed_origins: ["http://localhost:4200"]
 config :guardian, Guardian,
   secret_key: "e62fb6e2746f6b1bf8b5b735ba816c2eae1d5d76e64f18f3fc647e308b0c159e"
 
-config :code_corps, :analytics, CodeCorps.Analytics.InMemoryAPI
+config :code_corps, :analytics, CodeCorps.Analytics.TestAPI
 
 config :code_corps, :icon_color_generator, CodeCorps.RandomIconColor.TestGenerator
 

lib/code_corps/analytics/test_api.ex

@@ -0,0 +1,18 @@
+defmodule CodeCorps.Analytics.TestAPI do
+  @moduledoc """
+  In-memory interface to simulate calling out to the Segment API,
+  sending back itself a message with passed parameters - they're used for assertions.
+
+  Each function should have the same signature as `CodeCorps.Analytics.SegmentAPI` and simply return `nil`.
+  """
+
+  def identify(user_id, traits) do
+    send self(), {:identify, user_id, traits}
+    nil
+  end
+
+  def track(user_id, event_name, properties) do
+    send self(), {:track, user_id, event_name, properties}
+    nil
+  end
+end

test/controllers/user_controller_test.exs

@@ -91,6 +91,20 @@ defmodule CodeCorps.UserControllerTest do
       assert user.id == slugged_route.user_id
     end
 
+    test "calls segment tracking after user is created", %{conn: conn} do
+      conn = post conn, user_path(conn, :create), %{
+        "meta" => %{},
+        "data" => %{
+          "type" => "user",
+          "attributes" => Map.put(@valid_attrs, :password, "password"),
+          "relationships" => relationships
+        }
+      }
+      id = json_response(conn, 201)["data"]["id"]
+
+      assert_received {:track, id, "Signed Up", %{}}
+    end
+
     test "does not create resource and renders errors when data is invalid", %{conn: conn} do
       conn = post conn, user_path(conn, :create), %{
         "meta" => %{},