Add tests for factory method

Author: Matthiee

Tests/ClientFactoryTests.cs

@@ -0,0 +1,48 @@
+using MatthiWare.FinancialModelingPrep;
+using Xunit;
+
+namespace Tests
+{
+    public class ClientFactoryTests
+    {
+        [Fact]
+        public void ResolveFinancialModelingPrepApi_Works()
+        {
+            var api = FinancialModelingPrepApiClientFactory.CreateClient(new FinancialModelingPrepOptions());
+
+            Assert.NotNull(api);
+        }
+
+        [Fact]
+        public void API_Contains_Calendars_Provider()
+        {
+            var api = FinancialModelingPrepApiClientFactory.CreateClient(new FinancialModelingPrepOptions());
+
+            Assert.NotNull(api.Calendars);
+        }
+
+        [Fact]
+        public void API_Contains_Company_Provider()
+        {
+            var api = FinancialModelingPrepApiClientFactory.CreateClient(new FinancialModelingPrepOptions());
+
+            Assert.NotNull(api.CompanyValuation);
+        }
+
+        [Fact]
+        public void API_Contains_AdvancedData_Provider()
+        {
+            var api = FinancialModelingPrepApiClientFactory.CreateClient(new FinancialModelingPrepOptions());
+
+            Assert.NotNull(api.AdvancedData);
+        }
+
+        [Fact]
+        public void API_Contains_MarketIndexes_Provider()
+        {
+            var api = FinancialModelingPrepApiClientFactory.CreateClient(new FinancialModelingPrepOptions());
+
+            Assert.NotNull(api.MarketIndexes);
+        }
+    }
+}