Initial commit

spec/api/v2/coin_gecko/pairs_spec.rb

@@ -0,0 +1,42 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+describe API::V2::CoinGecko::Pairs, type: :request do
+  describe 'GET /api/v2/coingecko/pairs' do
+    before(:each) { clear_redis }
+
+    let!(:market) do
+      ::Market.enabled.ordered.sample
+    end
+
+    let!(:expected_response) {
+      {
+          "ticker_id" => market.underscore_name,
+          "base"      => market[:base_unit].upcase,
+          "target"    => market[:quote_unit].upcase
+      }
+    }
+
+    it 'lists visible currencies' do
+      get '/api/v2/coingecko/pairs'
+      expect(response).to be_successful
+
+      result = JSON.parse(response.body)
+
+      expect(result.size).to eq Market.enabled.size
+      expect(result).to include(expected_response)
+    end
+  end
+
+  context 'There is no markets' do
+    before { DatabaseCleaner.clean }
+
+    it 'should return summary' do
+      get '/api/v2/coingecko/pairs'
+
+      expect(response).to be_successful
+      result = JSON.parse(response.body)
+      expect(result).to eq []
+    end
+  end
+end