public void WhenCombinationExists_ShouldCorrectlySetUpResponse()
{
_mockHttpContext.Expect(hc => hc.Response).Return(_mockResponse);
_mockHttpContext.Expect(hc => hc.Request).Return(_mockRequest);
_mockRequest.Expect(r => r.Headers[HttpHeaders.AcceptEncoding]).Return("");
_mockResponse.Expect(r => r.ContentEncoding = Encoding.UTF8);
_mockResponse.Expect(r => r.ContentType = MimeTypes.TextCss);
_mockResponse.Expect(r => r.AddHeader(HttpHeaders.ContentLength, "16"));
_mockResponse.Expect(r => r.OutputStream).Return(new MemoryStream(8092)).Repeat.Twice();
_mockResponse.Expect(r => r.Cache).Return(_mockCachePolicy);
_mockCachePolicy.Expect(cp => cp.SetETag(Arg <string> .Matches(etag => etag.StartsWith("foo") && etag.EndsWith(_cssCombination.LastModifiedAt.Ticks.ToString()))));
_stubCombiner.Expect(c => c.GetCombination("foo")).Return(_cssCombination);
var result = new IncludeCombinationResult(_stubCombiner, "foo", DateTime.UtcNow);
result.ExecuteResult(_controllerContext);
_mocks.VerifyAll();
}