Add GeoSpatial backends for geocoding

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Geospatial Backend

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

test/mobilizon/service/geospatial/addok_test.exs

@@ -0,0 +1,59 @@
+defmodule Mobilizon.Service.Geospatial.AddokTest do
+  use Mobilizon.DataCase, async: false
+  alias Mobilizon.Service.Geospatial.Addok
+  alias Mobilizon.Addresses.Address
+
+  import Mock
+  use ExVCR.Mock, adapter: ExVCR.Adapter.Hackney
+
+  @endpoint Application.get_env(:mobilizon, Mobilizon.Service.Geospatial.Addok)
+            |> get_in([:endpoint])
+  @fake_endpoint "https://domain.tld"
+
+  describe "search address" do
+    test "produces a valid search address" do
+      with_mock HTTPoison, get: fn _url -> "{}" end do
+        Addok.search("10 Rue Jangot")
+        assert_called(HTTPoison.get("#{@endpoint}/search/?q=10%20Rue%20Jangot&limit=10"))
+      end
+    end
+
+    test "produces a valid search address with options" do
+      with_mock HTTPoison, get: fn _url -> "{}" end do
+        Addok.search("10 Rue Jangot",
+          endpoint: @fake_endpoint,
+          limit: 5,
+          coords: %{lat: 49, lon: 12}
+        )
+
+        assert_called(
+          HTTPoison.get("#{@fake_endpoint}/search/?q=10%20Rue%20Jangot&limit=5&lat=49&lon=12")
+        )
+      end
+    end
+
+    test "returns a valid address from search" do
+      use_cassette "geospatial/addok/search" do
+        assert %Address{
+                 addressLocality: "Lyon",
+                 description: "10 Rue Jangot",
+                 postalCode: "69007",
+                 streetAddress: "10 Rue Jangot",
+                 geom: %Geo.Point{coordinates: {4.842569, 45.751718}, properties: %{}, srid: 4326}
+               } == Addok.search("10 rue Jangot") |> hd
+      end
+    end
+
+    test "returns a valid address from reverse geocode" do
+      use_cassette "geospatial/addok/geocode" do
+        assert %Address{
+                 addressLocality: "Lyon",
+                 description: "10 Rue Jangot",
+                 postalCode: "69007",
+                 streetAddress: "10 Rue Jangot",
+                 geom: %Geo.Point{coordinates: {4.842569, 45.751718}, properties: %{}, srid: 4326}
+               } == Addok.geocode(4.842569, 45.751718) |> hd
+      end
+    end
+  end
+end