wires up test data with valid results

Author: mneudert

coveralls.json

@@ -0,0 +1,5 @@
+{
+  "skip_files": [
+    "test"
+  ]
+}

mix.exs

@@ -12,6 +12,7 @@ defmodule Geolix.Plug.Mixfile do
       deps: deps(),
       description: "Geolix Plug",
       docs: docs(),
+      elixirc_paths: elixirc_paths(Mix.env()),
       package: package(),
       preferred_cli_env: [
         coveralls: :test,
@@ -41,6 +42,9 @@ defmodule Geolix.Plug.Mixfile do
     ]
   end
 
+  defp elixirc_paths(:test), do: ["lib", "test/helpers"]
+  defp elixirc_paths(_), do: ["lib"]
+
   defp package do
     %{
       files: ["CHANGELOG.md", "LICENSE", "mix.exs", "README.md", "lib"],

test/fixtures/.gitignore

@@ -0,0 +1 @@
+*.mmdb

test/geolix_plug_test.exs

@@ -5,7 +5,7 @@ defmodule Geolix.PlugTest do
   defmodule Router do
     use Plug.Router
 
-    plug Geolix.Plug, where: :city
+    plug Geolix.Plug, where: :fixture_city
 
     plug :match
     plug :dispatch
@@ -16,9 +16,12 @@ defmodule Geolix.PlugTest do
   @opts Router.init([])
 
   test "returns 200" do
-    conn = conn(:get, "/") |> Router.call(@opts)
+    conn =
+      conn(:get, "/")
+      |> Map.put(:remote_ip, {2, 125, 160, 216})
+      |> Router.call(@opts)
 
     assert 200 == conn.status
-    refute conn.private[:geolix]
+    assert %Geolix.Result.City{} = conn.private[:geolix]
   end
 end

test/helpers/fixture_download.ex

@@ -0,0 +1,36 @@
+defmodule Geolix.PlugTestHelpers.FixtureDownload do
+  @moduledoc false
+
+  alias Geolix.PlugTestHelpers.FixtureList
+
+  @doc """
+  Downloads all fixture files.
+  """
+  def run() do
+    Enum.each(FixtureList.get(), &download/1)
+  end
+
+  defp download({_name, filename, remote}) do
+    local = local(filename)
+
+    if not File.regular?(local) do
+      Mix.shell().info([:yellow, "Downloading fixture database: #{filename}"])
+
+      download_fixture(remote, local)
+    end
+  end
+
+  defp download_fixture(remote, local) do
+    {:ok, _} = Application.ensure_all_started(:hackney)
+    {:ok, _, _, client} = :hackney.get(remote)
+    {:ok, content} = :hackney.body(client)
+
+    File.write!(local, content)
+  end
+
+  defp local(filename) do
+    [__DIR__, "../fixtures/", filename]
+    |> Path.join()
+    |> Path.expand()
+  end
+end

test/helpers/fixture_list.ex

@@ -0,0 +1,23 @@
+defmodule Geolix.PlugTestHelpers.FixtureList do
+  @moduledoc false
+
+  @base_maxmind "https://raw.githubusercontent.com/maxmind/MaxMind-DB/master/test-data"
+
+  @doc """
+  Returns a list of all available/downloaded fixtures.
+
+  Each returned entry consists of the following values:
+
+      {
+        :name_as_atom,
+        "local_filename.mmdb",
+        "remote_url"
+      }
+  """
+  @spec get() :: list
+  def get() do
+    [
+      {:fixture_city, "GeoIP2-City-Test.mmdb", "#{@base_maxmind}/GeoIP2-City-Test.mmdb"}
+    ]
+  end
+end

test/test_helper.exs

@@ -1,3 +1,20 @@
+alias Geolix.PlugTestHelpers.FixtureDownload
+alias Geolix.PlugTestHelpers.FixtureList
+
 {:ok, _} = Application.ensure_all_started(:geolix)
+:ok = FixtureDownload.run()
+
+databases =
+  Enum.map(FixtureList.get(), fn {id, filename, _remote} ->
+    source =
+      [__DIR__, "fixtures", filename]
+      |> Path.join()
+      |> Path.expand()
+
+    %{id: id, adapter: Geolix.Adapter.MMDB2, source: source}
+  end)
+
+Application.put_env(:geolix, :databases, databases)
+Enum.each(databases, &Geolix.load_database/1)
 
 ExUnit.start()