public async Task SendReturnsCachedReponseOnNotModified()
{
var httpClient = Substitute.For <IHttpClient>();
var cache = Substitute.For <ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request {
Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative)
};
var cachedResponse = Substitute.For <IResponse>();
cachedResponse.ApiInfo.Returns(new ApiInfo(new Dictionary <string, Uri>(), new List <string>(), new List <string>(), "ABC123", null));
cache.GetAsync <IResponse>("test").Returns(Task.FromResult(cachedResponse));
var conditionalResponse = Substitute.For <IResponse>();
conditionalResponse.StatusCode.Returns(HttpStatusCode.NotModified);
httpClient.Send(request, CancellationToken.None).Returns(Task.FromResult(conditionalResponse));
var actualResponse = await cachingClient.Send(request, CancellationToken.None);
Assert.AreEqual(cachedResponse, actualResponse);
}
public async Task SendSendsAndSetsReponseWithNoEtag()
{
var httpClient = Substitute.For <IHttpClient>();
var cache = Substitute.For <ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request {
Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative)
};
var cachedResponse = Substitute.For <IResponse>();
cachedResponse.ApiInfo.Returns(new ApiInfo(new Dictionary <string, Uri>(), new List <string>(), new List <string>(), String.Empty, null));
cache.GetAsync <IResponse>("test").Returns(Task.FromResult(cachedResponse));
var response = Substitute.For <IResponse>();
httpClient.Send(request, CancellationToken.None).Returns(Task.FromResult(response));
var actualReponse = await cachingClient.Send(request, CancellationToken.None);
cache.Received().SetAsync("test", response).IgnoreAwait();
Assert.AreEqual(response, actualReponse);
}
public async Task SendCachesConditionalResponseOnOk()
{
var httpClient = Substitute.For <IHttpClient>();
var cache = Substitute.For <ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request {
Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative)
};
var cachedResponse = Substitute.For <IResponse>();
cachedResponse.ApiInfo.Returns(new ApiInfo(new Dictionary <string, Uri>(), new List <string>(), new List <string>(), "ABC123", null));
cache.GetAsync <IResponse>("test").Returns(Task.FromResult(cachedResponse));
var conditionalResponse = Substitute.For <IResponse>();
conditionalResponse.StatusCode.Returns(HttpStatusCode.OK);
httpClient.Send(request, CancellationToken.None).Returns(Task.FromResult(conditionalResponse));
await cachingClient.Send(request, CancellationToken.None);
cache.Received().SetAsync("test", conditionalResponse).IgnoreAwait();
}
public async Task SendSendsNonGetRequests()
{
var httpClient = Substitute.For<IHttpClient>();
var cache = Substitute.For<ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request { Method = HttpMethod.Post, Endpoint = new Uri("test", UriKind.Relative) };
await cachingClient.Send(request, CancellationToken.None);
httpClient.Received().Send(request, CancellationToken.None).IgnoreAwait();
cache.DidNotReceive().GetAsync<IResponse>("test").IgnoreAwait();
}
public async Task SendSendsNonGetRequests()
{
var httpClient = Substitute.For <IHttpClient>();
var cache = Substitute.For <ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request {
Method = HttpMethod.Post, Endpoint = new Uri("test", UriKind.Relative)
};
await cachingClient.Send(request, CancellationToken.None);
httpClient.Received().Send(request, CancellationToken.None).IgnoreAwait();
cache.DidNotReceive().GetAsync <IResponse>("test").IgnoreAwait();
}
static DiscogsApiClientEnvironment CreateDiscogsApiClientEnvironment(
DiscogsApiClientCredentials credentials
)
{
if (credentials == null)
{
throw new ArgumentNullException(nameof(credentials));
}
var httpClient = new CachingHttpClient {
BaseAddress = new Uri("https://api.discogs.com/")
};
var headers = httpClient.DefaultRequestHeaders;
headers.Add("User-Agent", "Murg");
headers.Add("Authorization", $"Discogs token={credentials.Token}");
return(new DiscogsApiClientEnvironment(credentials, httpClient));
}
public async Task SendSendsConditionalRequestWithEtag()
{
var httpClient = Substitute.For<IHttpClient>();
var cache = Substitute.For<ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request { Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative) };
var cachedResponse = Substitute.For<IResponse>();
cachedResponse.ApiInfo.Returns(new ApiInfo(new Dictionary<string, Uri>(), new List<string>(), new List<string>(), "ABC123", null));
cache.GetAsync<IResponse>("test").Returns(Task.FromResult(cachedResponse));
await cachingClient.Send(request, CancellationToken.None);
httpClient.Received().Send(request, CancellationToken.None).IgnoreAwait();
Assert.AreEqual("ABC123", request.Headers["If-None-Match"]);
}
public async Task SendSendsAndSetsMissingResponses()
{
var httpClient = Substitute.For<IHttpClient>();
var cache = Substitute.For<ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request { Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative) };
var response = Substitute.For<IResponse>();
httpClient.Send(request, CancellationToken.None).Returns(Task.FromResult(response));
cache.GetAsync<IResponse>("test").Returns(Task.FromResult((IResponse)null));
var actualReponse = await cachingClient.Send(request, CancellationToken.None);
cache.Received().SetAsync("test", response).IgnoreAwait();
Assert.AreEqual(response, actualReponse);
}
public async Task SendSendsConditionalRequestWithEtag()
{
var httpClient = Substitute.For <IHttpClient>();
var cache = Substitute.For <ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request {
Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative)
};
var cachedResponse = Substitute.For <IResponse>();
cachedResponse.ApiInfo.Returns(new ApiInfo(new Dictionary <string, Uri>(), new List <string>(), new List <string>(), "ABC123", null));
cache.GetAsync <IResponse>("test").Returns(Task.FromResult(cachedResponse));
await cachingClient.Send(request, CancellationToken.None);
httpClient.Received().Send(request, CancellationToken.None).IgnoreAwait();
Assert.AreEqual("ABC123", request.Headers["If-None-Match"]);
}
public async Task SendSendsAndSetsMissingResponses()
{
var httpClient = Substitute.For <IHttpClient>();
var cache = Substitute.For <ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request {
Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative)
};
var response = Substitute.For <IResponse>();
httpClient.Send(request, CancellationToken.None).Returns(Task.FromResult(response));
cache.GetAsync <IResponse>("test").Returns(Task.FromResult((IResponse)null));
var actualReponse = await cachingClient.Send(request, CancellationToken.None);
cache.Received().SetAsync("test", response).IgnoreAwait();
Assert.AreEqual(response, actualReponse);
}
public async Task SendSendsAndSetsReponseWithNoEtag()
{
var httpClient = Substitute.For<IHttpClient>();
var cache = Substitute.For<ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request { Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative) };
var cachedResponse = Substitute.For<IResponse>();
cachedResponse.ApiInfo.Returns(new ApiInfo(new Dictionary<string, Uri>(), new List<string>(), new List<string>(), String.Empty, null));
cache.GetAsync<IResponse>("test").Returns(Task.FromResult(cachedResponse));
var response = Substitute.For<IResponse>();
httpClient.Send(request, CancellationToken.None).Returns(Task.FromResult(response));
var actualReponse = await cachingClient.Send(request, CancellationToken.None);
cache.Received().SetAsync("test", response).IgnoreAwait();
Assert.AreEqual(response, actualReponse);
}
public async Task SendCachesConditionalResponseOnOk()
{
var httpClient = Substitute.For<IHttpClient>();
var cache = Substitute.For<ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request { Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative) };
var cachedResponse = Substitute.For<IResponse>();
cachedResponse.ApiInfo.Returns(new ApiInfo(new Dictionary<string, Uri>(), new List<string>(), new List<string>(), "ABC123", null));
cache.GetAsync<IResponse>("test").Returns(Task.FromResult(cachedResponse));
var conditionalResponse = Substitute.For<IResponse>();
conditionalResponse.StatusCode.Returns(HttpStatusCode.OK);
httpClient.Send(request, CancellationToken.None).Returns(Task.FromResult(conditionalResponse));
await cachingClient.Send(request, CancellationToken.None);
cache.Received().SetAsync("test", conditionalResponse).IgnoreAwait();
}
public async Task SendReturnsCachedReponseOnNotModified()
{
var httpClient = Substitute.For<IHttpClient>();
var cache = Substitute.For<ICache>();
var cachingClient = new CachingHttpClient(httpClient, cache);
var request = new Request { Method = HttpMethod.Get, Endpoint = new Uri("test", UriKind.Relative) };
var cachedResponse = Substitute.For<IResponse>();
cachedResponse.ApiInfo.Returns(new ApiInfo(new Dictionary<string, Uri>(), new List<string>(), new List<string>(), "ABC123", null));
cache.GetAsync<IResponse>("test").Returns(Task.FromResult(cachedResponse));
var conditionalResponse = Substitute.For<IResponse>();
conditionalResponse.StatusCode.Returns(HttpStatusCode.NotModified);
httpClient.Send(request, CancellationToken.None).Returns(Task.FromResult(conditionalResponse));
var actualResponse = await cachingClient.Send(request, CancellationToken.None);
Assert.AreEqual(cachedResponse, actualResponse);
}
