functional tests

tests/FunctionalTests/Web/Controllers/CatalogControllerGetImage.cs

@@ -0,0 +1,28 @@
+using System.IO;
+using Xunit;
+using System.Threading.Tasks;
+
+namespace FunctionalTests.Web.Controllers
+{
+    public class CatalogControllerGetImage : BaseWebTest
+    {
+        [Fact]
+        public async Task ReturnsFileContentResultGivenValidId()
+        {
+            var testFilePath = Path.Combine(_contentRoot, "pics//1.png");
+            var expectedFileBytes = File.ReadAllBytes(testFilePath);
+
+            var response = await _client.GetAsync("/catalog/pic/1");
+            response.EnsureSuccessStatusCode();
+            var streamResponse = await response.Content.ReadAsStreamAsync();
+            byte[] byteResult;
+            using (var ms = new MemoryStream())
+            {
+                streamResponse.CopyTo(ms);
+                byteResult = ms.ToArray();
+            }
+
+            Assert.Equal(expectedFileBytes, byteResult);
+        }
+    }
+}