add specs

spec/controllers/api/user_token_controller_spec.rb

@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Api::UserTokenController, type: :request do
+  let(:current_user) { create(:user) }
+
+  describe '#create' do
+    it 'returns error if credentials are not corrent and does not set cookie' do
+
+      post create_endpoint, params: wrong_auth_params
+
+      expect(response).to be_successful
+      expect(response.body).to match record_not_found
+      expect(cookie_data).to eq nil
+    end
+
+    it 'sends token and cookie if credentials are correct' do
+      post create_endpoint, params: correct_auth_params
+
+      expect(response).to be_successful
+      expect(response.body).not_to match record_not_found
+      expect(response.body).to match token_response
+      expect(cookie_data).not_to eq nil
+    end
+  end
+
+  private
+
+  def wrong_auth_params
+    {
+      auth: {
+        email: 'wrong_email@api-test.com',
+        password: 'password'
+      }
+    }
+  end
+
+  def correct_auth_params
+    {
+      auth: {
+        email: current_user.email,
+        password: 'password'
+      }
+    }
+  end
+
+  def create_endpoint
+    '/api/v1/user_token'
+  end
+
+  def record_not_found
+    /Record not found/
+  end
+
+  def token_response
+    /jwt/
+  end
+
+  def cookie_data
+    cookies[:_easy_release_session]
+  end
+end