public async Task GetContentWhenRegionReturnsRedirectResponseThenFollowRedirect()
{
var redirectHttpResponse = new HttpResponseMessage
{
StatusCode = HttpStatusCode.Redirect,
Content = new StringContent(DummyChildAppContent),
};
redirectHttpResponse.Headers.Location = new Uri("http://SomeLocation");
var fakeHttpRequestSender = A.Fake <IFakeHttpRequestSender>();
A.CallTo(() => fakeHttpRequestSender.Send(A <HttpRequestMessage> .Ignored)).Returns(redirectHttpResponse);
var fakeRedirectHttpMessageHandler = new FakeHttpMessageHandler(fakeHttpRequestSender);
var redirectHttpClient = new HttpClient(fakeRedirectHttpMessageHandler)
{
BaseAddress = new Uri("http://SomeRegionBaseAddress"),
};
var model = new RegionModel
{
IsHealthy = true,
};
var service = new ContentRetriever(redirectHttpClient, logger, appRegistryDataService, httpResponseMessageHandler, markupMessages);
await service.GetContent("someUrl", "path", model, true, "baseUrl").ConfigureAwait(false);
A.CallTo(() => httpResponseMessageHandler.Process(null)).MustHaveHappened();
fakeRedirectHttpMessageHandler.Dispose();
redirectHttpResponse.Dispose();
redirectHttpClient.Dispose();
}
private async Task <string> GetContent_WithoutCaching(string url, string path, RegionModel regionModel, bool followRedirects, string requestBaseUrl, IHeaderDictionary headers)
{
const int MaxRedirections = 10;
_ = regionModel ?? throw new ArgumentNullException(nameof(regionModel));
string results = null;
try
{
if (regionModel.IsHealthy)
{
logger.LogInformation($"{nameof(GetContent)}: Getting child response from: {url}");
var response = await GetContentIfRedirectedAsync(requestBaseUrl, url, followRedirects, MaxRedirections, regionModel, headers);
if (response != null && !response.IsSuccessStatusCode)
{
throw new EnhancedHttpException(response.StatusCode, response.ReasonPhrase, url);
}
responseHandler.Process(response);
if (response != null)
{
results = await response.Content.ReadAsStringAsync();
}
logger.LogInformation($"{nameof(GetContent)}: Received child response from: {url}");
}
else
{
results = !string.IsNullOrWhiteSpace(regionModel.OfflineHtml) ? regionModel.OfflineHtml : markupMessages.GetRegionOfflineHtml(regionModel.PageRegion);
}
}
catch (BrokenCircuitException ex)
{
logger.LogError(ex, $"{nameof(ContentRetriever)}: BrokenCircuit: {url} - {ex.Message}");
if (regionModel.HealthCheckRequired)
{
await appRegistryDataService.SetRegionHealthState(path, regionModel.PageRegion, false);
}
results = !string.IsNullOrWhiteSpace(regionModel.OfflineHtml) ? regionModel.OfflineHtml : markupMessages.GetRegionOfflineHtml(regionModel.PageRegion);
}
return(results);
}
public async Task <string> GetContent(string url, RegionModel regionModel, bool followRedirects, string requestBaseUrl)
{
const int MaxRedirections = 10;
if (regionModel == null)
{
throw new ArgumentNullException(nameof(regionModel));
}
string results = null;
try
{
if (regionModel.IsHealthy)
{
logger.LogInformation($"{nameof(GetContent)}: Getting child response from: {url}");
var response = await GetContentIfRedirectedAsync(requestBaseUrl, url, followRedirects, MaxRedirections).ConfigureAwait(false);
if (response != null && !response.IsSuccessStatusCode)
{
throw new EnhancedHttpException(response.StatusCode, response.ReasonPhrase, url);
}
responseHandler.Process(response);
if (response != null)
{
results = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
}
logger.LogInformation($"{nameof(GetContent)}: Received child response from: {url}");
}
else if (!string.IsNullOrWhiteSpace(regionModel.OfflineHTML))
{
results = regionModel.OfflineHTML;
}
}
catch (BrokenCircuitException ex)
{
logger.LogError(ex, $"{nameof(ContentRetriever)}: BrokenCircuit: {url} - {ex.Message}");
if (regionModel.HealthCheckRequired)
{
await regionService.SetRegionHealthState(regionModel.Path, regionModel.PageRegion, false).ConfigureAwait(false);
}
results = regionModel.OfflineHTML;
}
return(results);
}
public async Task GetContentWhenRegionReturnsRedirectResponseThenFollowRedirect()
{
using var redirectHttpResponse = new HttpResponseMessage
{
StatusCode = HttpStatusCode.Redirect,
Content = new StringContent(DummyChildAppContent),
};
redirectHttpResponse.Headers.Location = new Uri("http://someUrl");
var fakeHttpRequestSender = A.Fake <IFakeHttpRequestSender>();
A.CallTo(() => fakeHttpRequestSender.Send(A <HttpRequestMessage> .Ignored)).Returns(redirectHttpResponse);
using var fakeRedirectHttpMessageHandler = new FakeHttpMessageHandler(fakeHttpRequestSender);
using var redirectHttpClient = new HttpClient(fakeRedirectHttpMessageHandler)
{
BaseAddress = new Uri("http://SomeRegionBaseAddress"),
};
var model = new RegionModel
{
IsHealthy = true,
};
using var httpHandler = new MockHttpMessageHandler();
httpHandler.When(HttpMethod.Get, "http://someUrl").Respond(_ => redirectHttpResponse);
var localHttpClientFactory = A.Fake <IUriSpecifcHttpClientFactory>();
A.CallTo(() => localHttpClientFactory.GetClientForRegionEndpoint(A <string> .Ignored)).Returns(httpHandler.ToHttpClient());
var service = new ContentRetriever(localHttpClientFactory, logger, appRegistryDataService, httpResponseMessageHandler, markupMessages, memoryCache, passOnHeaderSettings);
await service.GetContent("http://someUrl", "path", model, true, baseUri, new HeaderDictionary());
A.CallTo(() => httpResponseMessageHandler.Process(null)).MustHaveHappened();
}
