now returns response content headers

test/Ocelot.UnitTests/Headers/RemoveHeadersTests.cs

@@ -0,0 +1,52 @@
+using System.Net.Http;
+using System.Net.Http.Headers;
+using Ocelot.Responses;
+using Shouldly;
+using TestStack.BDDfy;
+using Xunit;
+
+namespace Ocelot.UnitTests.Headers
+{
+    public class RemoveHeadersTests
+    {
+        private HttpResponseHeaders _headers;
+        private readonly Ocelot.Headers.RemoveOutputHeaders _removeOutputHeaders;
+        private Response _result;
+
+        public RemoveHeadersTests()
+        {
+            _removeOutputHeaders = new Ocelot.Headers.RemoveOutputHeaders();
+        }
+
+        [Fact]
+        public void should_remove_header()
+        {
+            var httpResponse = new HttpResponseMessage()
+            {
+                Headers = {{ "Transfer-Encoding", "chunked"}}
+            };
+
+            this.Given(x => x.GivenAHttpContext(httpResponse.Headers))
+                .When(x => x.WhenIRemoveTheHeaders())
+                .Then(x => x.TheHeaderIsNoLongerInTheContext())
+                .BDDfy();
+        }
+
+        private void GivenAHttpContext(HttpResponseHeaders headers)
+        {
+            _headers = headers;
+        }
+
+        private void WhenIRemoveTheHeaders()
+        {
+            _result = _removeOutputHeaders.Remove(_headers);
+        }
+
+        private void TheHeaderIsNoLongerInTheContext()
+        {
+            _result.IsError.ShouldBeFalse();
+            _headers.ShouldNotContain(x => x.Key == "Transfer-Encoding");
+            _headers.ShouldNotContain(x => x.Key == "transfer-encoding");
+        }
+    }
+}