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* New public methods: refund * `store` has been removed because Paymill does not have a direct API integration for card token generation * Improved docs and uses Money protocol Refactors ---------- * refactored add_amount -> amount_params * updated tests and clubbed a few parse clauses * refactored commit and response functions Tests ------ * Paymill mock (#159) * Added mock test cases for paymill. * Configured mock files to get compiled in `:test` env. * Moved paymill responses in mocks folder.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,215 @@ | ||
| defmodule Gringotts.Gateways.PaymillTest do | ||
| use ExUnit.Case, async: true | ||
|
|
||
| alias Gringotts.Gateways.Paymill, as: Gateway | ||
| alias Gringotts.Gateways.PaymillMock, as: Mock | ||
| alias Plug.{Conn, Parsers} | ||
|
|
||
| setup do | ||
| bypass = Bypass.open() | ||
|
|
||
| opts = %{ | ||
| private_key: "merchant_secret_key", | ||
| public_key: "merchant_public_key", | ||
| test_url: "http://localhost:#{bypass.port}/" | ||
| } | ||
|
|
||
| {:ok, bypass: bypass, opts: opts} | ||
| end | ||
|
|
||
| @amount_42 Money.new(42, :EUR) | ||
| @valid_token "tok_d26e611c47d64693a281e8411934" | ||
| @invalid_token "tok_d26e611c47d64693a281e841193" | ||
|
|
||
| @transaction_id "tran_de77d38b85d6eee2984accc8b2cc" | ||
| @invalid_transaction_id "tran_023d3b5769321c649435" | ||
| @capture_preauth_id "preauth_d654694c8116109af903" | ||
| @void_id "preauth_0bfc975c2858980a6023" | ||
|
|
||
| describe "authorize" do | ||
| test "when token is valid", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/preauthorizations", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| assert params["currency"] == "EUR" | ||
| assert params["token"] == "tok_d26e611c47d64693a281e8411934" | ||
| Conn.resp(conn, 200, Mock.auth_success()) | ||
| end) | ||
|
|
||
| {:ok, response} = Gateway.authorize(@amount_42, @valid_token, config: opts) | ||
| assert response.gateway_code == 20000 | ||
| end | ||
|
|
||
| test "when paymill is down or unreachable", %{bypass: bypass, opts: opts} do | ||
| Bypass.down(bypass) | ||
| {:error, response} = Gateway.authorize(@amount_42, @valid_token, config: opts) | ||
| assert response.reason == "network related failure" | ||
| Bypass.up(bypass) | ||
| end | ||
|
|
||
| test "when token is invalid", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/preauthorizations", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| assert params["currency"] == "EUR" | ||
| assert params["token"] == "tok_d26e611c47d64693a281e841193" | ||
| Conn.resp(conn, 400, Mock.auth_purchase_invalid_token()) | ||
| end) | ||
|
|
||
| {:error, response} = Gateway.authorize(@amount_42, @invalid_token, config: opts) | ||
| assert response.status_code == 400 | ||
| end | ||
| end | ||
|
|
||
| describe "capture" do | ||
| test "when preauthorization is valid", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/transactions", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| assert params["currency"] == "EUR" | ||
| assert params["preauthorization"] == "preauth_d654694c8116109af903" | ||
| Conn.resp(conn, 200, Mock.capture_success()) | ||
| end) | ||
|
|
||
| {:ok, response} = Gateway.capture(@capture_preauth_id, @amount_42, config: opts) | ||
| assert response.gateway_code == 20000 | ||
| end | ||
|
|
||
| test "when preauthorization not found", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/transactions", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| assert params["currency"] == "EUR" | ||
| assert params["preauthorization"] == "preauth_d654694c8116109af903" | ||
| Conn.resp(conn, 200, Mock.bad_preauth()) | ||
| end) | ||
|
|
||
| {:error, response} = Gateway.capture(@capture_preauth_id, @amount_42, config: opts) | ||
| assert response.status_code == 200 | ||
| assert response.reason == "Preauthorize not found" | ||
| end | ||
|
|
||
| test "when preauthorization done before", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/transactions", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| assert params["currency"] == "EUR" | ||
| assert params["preauthorization"] == "preauth_d654694c8116109af903" | ||
| Conn.resp(conn, 200, Mock.capture_preauth_done_before()) | ||
| end) | ||
|
|
||
| {:error, response} = Gateway.capture(@capture_preauth_id, @amount_42, config: opts) | ||
| assert response.status_code == 200 | ||
| assert response.reason == "Preauthorization has already been used" | ||
| end | ||
| end | ||
|
|
||
| describe "purchase" do | ||
| test "when token is valid", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/transactions", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| assert params["currency"] == "EUR" | ||
| assert params["token"] == "tok_d26e611c47d64693a281e841193" | ||
| Conn.resp(conn, 200, Mock.purchase_valid_token()) | ||
| end) | ||
|
|
||
| {:ok, response} = Gateway.purchase(@amount_42, @invalid_token, config: opts) | ||
| assert response.gateway_code == 20000 | ||
| assert response.fraud_review == true | ||
| assert response.status_code == 200 | ||
| end | ||
|
|
||
| test "when token is invalid", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/transactions", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| assert params["currency"] == "EUR" | ||
| assert params["token"] == "tok_d26e611c47d64693a281e841193" | ||
| Conn.resp(conn, 200, Mock.auth_purchase_invalid_token()) | ||
| end) | ||
|
|
||
| {:error, response} = Gateway.purchase(@amount_42, @invalid_token, config: opts) | ||
| assert response.reason["field"] == "token" | ||
|
|
||
| assert response.reason["messages"]["regexNotMatch"] == | ||
| "'tok_d26e611c47d64693a281e841193' does not match against pattern '\/^[a-zA-Z0-9_]{32}$\/'" | ||
|
|
||
| assert response.status_code == 200 | ||
| end | ||
| end | ||
|
|
||
| describe "refund" do | ||
| test "when transaction is valid", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/refunds/#{@transaction_id}", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| Conn.resp(conn, 200, Mock.refund_success()) | ||
| end) | ||
|
|
||
| {:ok, response} = Gateway.refund(@amount_42, @transaction_id, config: opts) | ||
| assert response.gateway_code == 20000 | ||
| assert response.status_code == 200 | ||
| end | ||
|
|
||
| test "when transaction is used again", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/refunds/#{@transaction_id}", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| Conn.resp(conn, 200, Mock.refund_again()) | ||
| end) | ||
|
|
||
| {:error, response} = Gateway.refund(@amount_42, @transaction_id, config: opts) | ||
| assert response.reason == "Amount to high" | ||
| assert response.status_code == 200 | ||
| end | ||
|
|
||
| test "when transaction not found", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "POST", "/refunds/#{@invalid_transaction_id}", fn conn -> | ||
| p_conn = parse(conn) | ||
| params = p_conn.body_params | ||
| assert params["amount"] == "4200" | ||
| Conn.resp(conn, 200, Mock.refund_bad_transaction()) | ||
| end) | ||
|
|
||
| {:error, response} = Gateway.refund(@amount_42, @invalid_transaction_id, config: opts) | ||
| assert response.reason == "Transaction not found" | ||
| assert response.status_code == 200 | ||
| end | ||
| end | ||
|
|
||
| describe "void" do | ||
| test "when preauthorization is valid", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "DELETE", "/preauthorizations/#{@void_id}", fn conn -> | ||
| Conn.resp(conn, 200, Mock.void_success()) | ||
| end) | ||
|
|
||
| {:ok, response} = Gateway.void(@void_id, config: opts) | ||
| assert response.gateway_code == 50810 | ||
| end | ||
|
|
||
| test "when preauthorization used before", %{bypass: bypass, opts: opts} do | ||
| Bypass.expect(bypass, "DELETE", "/preauthorizations/#{@void_id}", fn conn -> | ||
| Conn.resp(conn, 200, Mock.void_done_before()) | ||
| end) | ||
|
|
||
| {:error, response} = Gateway.void(@void_id, config: opts) | ||
| assert response.reason == "Preauthorization was not found" | ||
| assert response.status_code == 200 | ||
| end | ||
| end | ||
|
|
||
| def parse(conn, opts \\ []) do | ||
| opts = Keyword.put_new(opts, :parsers, [Parsers.URLENCODED]) | ||
| Parsers.call(conn, Parsers.init(opts)) | ||
| end | ||
| end |
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