Adds authorize integration tests

1. Removed unnecessary test files.
2. Added setup for opts generation.
3. Refactored setup function in tests

Author: subpal

mix.exs

@@ -62,6 +62,7 @@ defmodule Gringotts.Mixfile do
       {:mock, "~> 0.3.0", only: :test},
       {:bypass, "~> 0.8", only: :test},
       {:excoveralls, "~> 0.8", only: :test},
+      {:exvcr, "~> 0.10", only: :test},
 
       # various analyses tools
       {:credo, "~> 0.3", only: [:dev, :test]},

mix.lock

@@ -16,8 +16,10 @@
   "ex_cldr_numbers": {:hex, :ex_cldr_numbers, "1.3.1", "50a117654dff8f8ee6958e68a65d0c2835a7e2f1aff94c1ea8f582c04fdf0bd4", [:mix], [{:decimal, "~> 1.4", [hex: :decimal, repo: "hexpm", optional: false]}, {:ex_cldr, "~> 1.4.0", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:poison, "~> 2.1 or ~> 3.1", [hex: :poison, repo: "hexpm", optional: true]}], "hexpm"},
   "ex_doc": {:hex, :ex_doc, "0.18.3", "f4b0e4a2ec6f333dccf761838a4b253d75e11f714b85ae271c9ae361367897b7", [:mix], [{:earmark, "~> 1.1", [hex: :earmark, repo: "hexpm", optional: false]}], "hexpm"},
   "ex_money": {:hex, :ex_money, "1.1.3", "843eed0a5673206de33be47cdc06574401abc3e2d33cbcf6d74e160226791ae4", [:mix], [{:decimal, "~> 1.4", [hex: :decimal, repo: "hexpm", optional: false]}, {:ecto, "~> 2.1", [hex: :ecto, repo: "hexpm", optional: true]}, {:ex_cldr, "~> 1.0", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:ex_cldr_numbers, "~> 1.0", [hex: :ex_cldr_numbers, repo: "hexpm", optional: false]}], "hexpm"},
+  "exactor": {:hex, :exactor, "2.2.4", "5efb4ddeb2c48d9a1d7c9b465a6fffdd82300eb9618ece5d34c3334d5d7245b1", [:mix], [], "hexpm"},
   "excoveralls": {:hex, :excoveralls, "0.8.1", "0bbf67f22c7dbf7503981d21a5eef5db8bbc3cb86e70d3798e8c802c74fa5e27", [:mix], [{:exjsx, ">= 3.0.0", [hex: :exjsx, repo: "hexpm", optional: false]}, {:hackney, ">= 0.12.0", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
   "exjsx": {:hex, :exjsx, "4.0.0", "60548841e0212df401e38e63c0078ec57b33e7ea49b032c796ccad8cde794b5c", [:mix], [{:jsx, "~> 2.8.0", [hex: :jsx, repo: "hexpm", optional: false]}], "hexpm"},
+  "exvcr": {:hex, :exvcr, "0.10.0", "5150808404d9f48dbda636f70f7f8fefd93e2433cd39f695f810e73b3a9d1736", [:mix], [{:exactor, "~> 2.2", [hex: :exactor, repo: "hexpm", optional: false]}, {:exjsx, "~> 4.0", [hex: :exjsx, repo: "hexpm", optional: false]}, {:httpoison, "~> 0.13", [hex: :httpoison, repo: "hexpm", optional: true]}, {:httpotion, "~> 3.0", [hex: :httpotion, repo: "hexpm", optional: true]}, {:ibrowse, "~> 4.4", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:meck, "~> 0.8.8", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm"},
   "gettext": {:hex, :gettext, "0.15.0", "40a2b8ce33a80ced7727e36768499fc9286881c43ebafccae6bab731e2b2b8ce", [:mix], [], "hexpm"},
   "hackney": {:hex, :hackney, "1.11.0", "4951ee019df102492dabba66a09e305f61919a8a183a7860236c0fde586134b6", [:rebar3], [{:certifi, "2.0.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "5.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "1.0.1", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "1.1.1", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm"},
   "httpoison": {:hex, :httpoison, "0.13.0", "bfaf44d9f133a6599886720f3937a7699466d23bb0cd7a88b6ba011f53c6f562", [:mix], [{:hackney, "~> 1.8", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},

templates/test.eex

@@ -0,0 +1,93 @@
+defmodule Gringotts.Integration.Gateways.MercadopagoTest do
+  # Integration tests for the Mercadopago 
+
+  use ExUnit.Case, async: true
+  use ExVCR.Mock, adapter: ExVCR.Adapter.Hackney
+
+  alias Gringotts.CreditCard
+  alias Gringotts.Gateways.Mercadopago, as: Gateway
+
+  @moduletag integration: true
+
+  @amount Money.new(45, :BRL)
+  @config [
+    access_token: "TEST-2774702803649645-031303-1b9d3d63acb57cdad3458d386eee62bd-307592510",
+    public_key: "TEST-911f45a1-0560-4c16-915e-a8833830b29a"
+  ]
+  @good_card %CreditCard{
+    first_name: "Hermoine",
+    last_name: "Granger",
+    number: "4509953566233704",
+    year: 2030,
+    month: 07,
+    verification_code: "123",
+    brand: "VISA"
+  }
+
+  @bad_card %CreditCard{
+    first_name: "Hermoine",
+    last_name: "Granger",
+    number: "4509953566233704",
+    year: 2000,
+    month: 07,
+    verification_code: "123",
+    brand: "VISA"
+  }
+
+  @opts [
+    email: "[email protected]",
+    order_id: 123_126,
+    customer_id: "311211654-YrXF6J0QikpIWX",
+    config: @config,
+    installments: 1,
+    order_type: "mercadopago"
+  ]
+  @new_cutomer_opts [
+    order_id: 123_126,
+    config: @config,
+    installments: 1,
+    order_type: "mercadopago"
+  ]
+
+
+  describe "[authorize] old customer" do
+    test "with good_opts and good_card" do
+      use_cassette "mercadopago/authorize_old customer with good_opts and good_card" do
+        assert {:ok, response} = Gateway.authorize(@amount, @good_card, @opts)
+        assert response.success == true
+        assert response.status_code == 201
+      end
+    end
+
+    test "with good_opts and bad_card" do
+      use_cassette "mercadopago/authorize_old customer with good_opts and bad_card" do
+        assert {:error, response} = Gateway.authorize(@amount, @bad_card, @opts)
+        assert response.success == false
+        assert response.status_code == 400
+      end
+    end
+  end
+
+  describe "[authorize] new customer" do
+    setup do
+      email = "hp#{:rand.uniform(1_000_00)}#{:rand.uniform(1_000_00)}#{:rand.uniform(1_000_00)}@potter.com"
+      [opts: [{:email, email} | @new_cutomer_opts]]
+    end
+
+    test "with good_opts and good_card", %{opts: opts} do
+      use_cassette "mercadopago/authorize_new cutomer with good_opts and good_card" do
+        assert {:ok, response} = Gateway.authorize(@amount, @good_card, opts)
+        assert response.success == true
+        assert response.status_code == 201
+      end
+    end
+
+    test "with good_opts and bad_card", %{opts: opts} do
+      use_cassette "mercadopago/authorize_new customer with good_opts and bad_card" do
+        assert {:error, response} = Gateway.authorize(@amount, @bad_card, opts)
+        assert response.success == false
+        assert response.status_code == 400
+      end
+    end
+  end
+end