public static async Task MakeHttpGet(Random random)
{
var baseAddress = new Uri(@"https://bing.com");
var url = @"?toWww=1&redig=test";
// 5 minute timeout on all calls for debugging
var buildStrategy = new HttpClientBuildStrategy(baseAddress)
.UseTimeOut(new TimeSpan(0, 5, 0));
// 5 minute age then it'll retire
var renewStrategy = new RenewStrategy()
.UseAgeStrategy(new TimeSpan(1, 5, 0));
using (var client = new EffectiveHttpClient(buildStrategy, renewStrategy))
{
// Sleep random number of milliseconds (20 to 500) beforehand to allow connection reuse
// This simulates real time concurrency scenarios
Thread.Sleep(random.Next(100, 5000));
// Make the real call
var originatingThread = Thread.CurrentThread.ManagedThreadId;
Console.WriteLine($"{originatingThread}: started...");
var ret = await client.GetStringAsync(url).ConfigureAwait(false);
var endingThread = Thread.CurrentThread.ManagedThreadId;
Console.WriteLine($"{originatingThread} -> {endingThread}: downloaded {ret.Length} characters. {client.ToString()}");
}
}
public async Task TestRealComplexPost()
{
// More complex usage with http post
var httpbin = new Uri("http://httpbin.org");
var buildStrategy = new HttpClientBuildStrategy(httpbin)
.UseDefaultHeaders(x =>
{
x.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
});
// Using is not needed, but you can still use it without having to worry about anything
using (var httpbinClient = new EffectiveHttpClient(buildStrategy, new RenewStrategy()))
{
var payload = "testdata";
var content = new StringContent(payload, Encoding.UTF8);
using (var response = await httpbinClient.PostAsync("http://httpbin.org/post", content))
{
Assert.IsTrue(response.IsSuccessStatusCode);
var result = await response.Content.ReadAsStringAsync();
Assert.IsTrue(result.Contains("testdata"));
}
}
}
public async Task TestRealSimpleGet()
{
// Simple usage (default client build strategy)
var google = new Uri("https://google.com");
using (var googleClient = new EffectiveHttpClient(google))
{
var result = await googleClient.GetStringAsync("https://google.com");
Assert.IsFalse(string.IsNullOrWhiteSpace(result));
}
}
public void TestHttpClientNotDisposedWhenDisposeCalled()
{
var baseAddress = "http://google.com";
// since we cannot mock HttpClient.Dispose(non virtual), we mock HttpClient.Dispose(bool) instead.
var httpClientMock = new Mock <HttpClient>();
httpClientMock.Protected().Setup("Dispose", It.IsAny <bool>());
var buildStrategy = new HttpClientBuildStrategy(new Uri(baseAddress), () => httpClientMock.Object);
var renewStrategy = new RenewStrategy();
var client = new EffectiveHttpClient(buildStrategy, renewStrategy);
// Call dispose, and make sure HttpClient is not really disposed
client.Dispose();
httpClientMock.Protected().Verify("Dispose", Times.Never(), It.IsAny <bool>());
client.Dispose();
httpClientMock.Protected().Verify("Dispose", Times.Never(), It.IsAny <bool>());
}
public async Task TestHostChangeNotAllowed()
{
// Call the client with a different host ends up with exception
await Assert.ThrowsExceptionAsync <InvalidOperationException>(async() => {
var google = new Uri("https://google.com");
using (var googleClient = new EffectiveHttpClient(google))
{
await googleClient.GetStringAsync("https://bing.com");
}
});
// Call the client with a different scheme ends up with exception
await Assert.ThrowsExceptionAsync <InvalidOperationException>(async() => {
var google = new Uri("https://google.com");
using (var googleClient = new EffectiveHttpClient(google))
{
await googleClient.GetStringAsync("http://google.com");
}
});
}
