public async Task HttpConnectionChangesAfterConfigChange_UseCollectionChangeToken()
{
// serviceCollection.AddSingleton<HttpJsonPlaceholderService, HttpJsonPlaceholderService>();
var config = new HttpClientCollectionOptions()
{
Defaults = new HttpClientOptions()
{
Connection = new HttpConnectionOptions()
{
Server = "defaults-before",
Schema = "https",
Port = 443,
TimeoutMS = 50
}
},
Clients =
{
["service"] = new HttpClientOptions()
{
Connection = new HttpConnectionOptions()
{
Server = "service-before",
Schema = "https",
Port = 443,
TimeoutMS = 50
}
},
["service2"] = new HttpClientOptions()
{
Connection = new HttpConnectionOptions()
{
Server = "service2-before",
Schema = "http",
Port = 443,
TimeoutMS = 50
}
}
}
};
Subject <object> changeToken = new Subject <object>();
var factory = HttpOptionsBuilder.Configure(builder =>
{
builder.Configure(options =>
{
Configure(options.Defaults, config.Defaults);
foreach (var kvp in config.Clients)
{
options.AddClient(kvp.Key, o => Configure(o, kvp.Value));
}
builder.UseChangeToken(source => changeToken.Subscribe((_) => source.InvokeChange()));
void Configure(HttpClientOptions options, HttpClientOptions source)
{
options.Connection.Server = source.Connection.Server;
options.Connection.Schema = source.Connection.Schema;
options.Connection.Port = source.Connection.Port;
options.Connection.Timeout = source.Connection.Timeout;
}
}
);
}).Build();
var client = factory.CreateClient("service");
var client2 = factory.CreateClient("service2");
var defaults = factory.CreateClient("service3");
Assert.AreEqual(new Uri("https://service-before:443").ToString(), client.BaseAddress.ToString());
Assert.AreEqual(new Uri("http://service2-before:443").ToString(), client2.BaseAddress.ToString());
Assert.AreEqual(new Uri("https://defaults-before:443").ToString(), defaults.BaseAddress.ToString());
Assert.AreEqual(50, client.Timeout.TotalMilliseconds);
config.Clients.Values.Concat(config.Defaults).ForEach(o =>
{
o.Connection.Server = o.Connection.Server.Replace("before", "after");
o.Connection.Schema = o.Connection.Schema;
o.Connection.Port = 7878;
o.Connection.TimeoutMS = 500;
;
});
changeToken.OnNext(Unit.Default);
await Policy.HandleResult <string>(e => e.EndsWith("before")).WaitAndRetryAsync(new[]
{
TimeSpan.FromMilliseconds(20),
TimeSpan.FromMilliseconds(20),
TimeSpan.FromMilliseconds(20),
}).ExecuteAsync(() => Task.FromResult(factory.CreateClient("service").BaseAddress.Host));
Assert.AreEqual(new Uri("https://service-after:7878").ToString(),
factory.CreateClient("service").BaseAddress.ToString());
Assert.AreEqual(new Uri("http://service2-after:7878").ToString(),
factory.CreateClient("service2").BaseAddress.ToString());
Assert.AreEqual(new Uri("https://defaults-after:7878").ToString(),
factory.CreateClient("service3").BaseAddress.ToString());
Assert.AreEqual(500, factory.CreateClient("service").Timeout.TotalMilliseconds);
}
public async Task HttpConnectionChangesAfterConfigChange_UseFuncSource()
{
// serviceCollection.AddSingleton<HttpJsonPlaceholderService, HttpJsonPlaceholderService>();
var config = new HttpClientCollectionOptions()
{
Defaults = new HttpClientOptions()
{
Connection = new HttpConnectionOptions()
{
Server = "defaults-before",
Schema = "https",
Port = 443,
TimeoutMS = 50
}
},
Clients =
{
["service"] = new HttpClientOptions()
{
Connection = new HttpConnectionOptions()
{
Server = "service-before",
Schema = "https",
Port = 443,
TimeoutMS = 50
}
},
["service2"] = new HttpClientOptions()
{
Connection = new HttpConnectionOptions()
{
Server = "service2-before",
Schema = "http",
Port = 443,
TimeoutMS = 50
}
}
}
};
var httpClientCollection = HttpOptionsBuilder.Configure(builder =>
{
builder.ConfigureOptionsBuilder(options =>
{
builder.Services.AddHttpClientOptions((name, clientOptions) =>
{
configure(clientOptions, config.Defaults);
if (config.Clients.TryGetValue(name, out var clientConfig))
{
configure(clientOptions, clientConfig);
}
});
void configure(HttpClientOptions options, HttpClientOptions source)
{
options.Connection.Server = source.Connection.Server;
options.Connection.Schema = source.Connection.Schema;
options.Connection.Port = source.Connection.Port;
options.Connection.Timeout = source.Connection.Timeout;
}
}
);
}).Build();
var client = httpClientCollection.CreateClient("service");
var client2 = httpClientCollection.CreateClient("service2");
var defaults = httpClientCollection.CreateClient("service3");
Assert.AreEqual(new Uri("https://service-before:443").ToString(), client.BaseAddress.ToString());
Assert.AreEqual(new Uri("http://service2-before:443").ToString(), client2.BaseAddress.ToString());
Assert.AreEqual(new Uri("https://defaults-before:443").ToString(), defaults.BaseAddress.ToString());
Assert.AreEqual(50, client.Timeout.TotalMilliseconds);
config.Clients.Values.Concat(config.Defaults).ForEach(o =>
{
o.Connection.Server = o.Connection.Server.Replace("before", "after");
o.Connection.Schema = o.Connection.Schema;
o.Connection.Port = 7878;
o.Connection.TimeoutMS = 500;
;
});
httpClientCollection.InvokeChange();
await Policy.HandleResult <string>(e => e.EndsWith("before")).WaitAndRetryAsync(new[]
{
TimeSpan.FromMilliseconds(20),
TimeSpan.FromMilliseconds(20),
TimeSpan.FromMilliseconds(20),
}).ExecuteAsync(() => Task.FromResult(httpClientCollection.CreateClient("service").BaseAddress.Host));
Assert.AreEqual(new Uri("https://service-after:7878").ToString(),
httpClientCollection.CreateClient("service").BaseAddress.ToString());
Assert.AreEqual(new Uri("http://service2-after:7878").ToString(),
httpClientCollection.CreateClient("service2").BaseAddress.ToString());
Assert.AreEqual(new Uri("https://defaults-after:7878").ToString(),
httpClientCollection.CreateClient("service3").BaseAddress.ToString());
Assert.AreEqual(500, httpClientCollection.CreateClient("service").Timeout.TotalMilliseconds);
}
