Initial commit

spec/trading/matching/limit_order_spec.rb

@@ -0,0 +1,32 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+describe Matching::LimitOrder do
+  context 'initialize' do
+    it 'should throw invalid order error for empty attributes' do
+      expect do
+        Matching::LimitOrder.new(type: '', price: '', volume: '')
+      end.to raise_error(Matching::OrderError)
+    end
+
+    it 'should initialize market' do
+      expect(Matching.mock_limit_order(type: :bid).market).to eq 'btcusd'
+    end
+  end
+
+  context 'crossed?' do
+    it 'should cross at lower or equal price for bid order' do
+      order = Matching.mock_limit_order(type: :bid, price: '10.0'.to_d)
+      expect(order.crossed?('9.0'.to_d)).to be true
+      expect(order.crossed?('10.0'.to_d)).to be true
+      expect(order.crossed?('11.0'.to_d)).to be false
+    end
+
+    it 'should cross at higher or equal price for ask order' do
+      order = Matching.mock_limit_order(type: :ask, price: '10.0'.to_d)
+      expect(order.crossed?('9.0'.to_d)).to be false
+      expect(order.crossed?('10.0'.to_d)).to be true
+      expect(order.crossed?('11.0'.to_d)).to be true
+    end
+  end
+end