public async Task WhenUriIsSet_ExpectUri() { var responseContent = "content"; var requestUrl = "https://path.to.url/"; var mocker = HttpClientMocker.Create(); mocker.When.AbsoluteUrlIs(requestUrl) .Then.ResponseShouldBe(responseContent); var client = mocker.Build(); var response = await client.GetAsync(requestUrl); Assert.Equal(responseContent, await response.Content.ReadAsStringAsync()); }