WHEN_I_want_to_create_new_default_instance_THEN_it_should_be_configured_in_production()
{
ConfigurationManager.AppSettings["streamdata:secretkey"] = "abc";
var client = StreamdataClient <FakeObject> .WithDefaultConfiguration();
Check.That(client.Configuration.Mode).IsEqualTo(StreamdataConfigurationMode.PRODUCTION);
}
WHEN_client_recieves_data_THEN_it_should_call_ondata()
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
});
StockMarketOrders testData = null;
StockMarketOrders expectedMarketOrders = new StockMarketOrders();
expectedMarketOrders.Add(new Order()
{
Price = 10, Title = "test1"
});
expectedMarketOrders.Add(new Order()
{
Price = 20, Title = "test2"
});
client.OnData(data => testData = data);
client.Start("fakeurl");
FakeEngineWrapper.Instance.SendData(expectedMarketOrders);
Check.That(testData).IsNotNull();
Check.That(testData.GetTotal()).IsEqualTo(30);
}
WHEN_client_recieves_patch_THEN_it_should_call_onpatch_and_updateddata()
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
});
StockMarketOrders testData = null;
StockMarketOrders expectedMarketOrders = new StockMarketOrders();
expectedMarketOrders.Add(new Order()
{
Price = 10, Title = "test1"
});
expectedMarketOrders.Add(new Order()
{
Price = 20, Title = "test2"
});
client.OnData(data => testData = data);
client.OnPatch(patch => patch.ApplyTo(testData));
client.Start("fakeurl");
FakeEngineWrapper.Instance.SendData(expectedMarketOrders);
var patchDoc = new JsonPatchDocument <StockMarketOrders>(new List <Operation <StockMarketOrders> >
{
new Operation <StockMarketOrders>("replace", "0/price", "0/price", 30)
});
FakeEngineWrapper.Instance.SendPatch(patchDoc);
Check.That(testData).IsNotNull();
Check.That(testData).HasSize(2);
Check.That(testData.GetTotal()).IsEqualTo(50);
}
WHEN_client_has_data_and_patch_THEN_state_is_updated()
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
conf.KeepStateUpdated();
});
StockMarketOrders expectedMarketOrders = new StockMarketOrders();
expectedMarketOrders.Add(new Order()
{
Price = 10, Title = "test1"
});
expectedMarketOrders.Add(new Order()
{
Price = 20, Title = "test2"
});
StockMarketOrders actualState = null;
client.Start("fakeurl");
client.OnUpdatedState += state => actualState = state;
FakeEngineWrapper.Instance.SendData(expectedMarketOrders);
var patch = new JsonPatchDocument <StockMarketOrders>(new List <Operation <StockMarketOrders> >
{
new Operation <StockMarketOrders>("replace", "0/price", "0/price", 20)
});
FakeEngineWrapper.Instance.SendPatch(patch);
Check.That(actualState).IsNotNull();
Check.That(actualState.GetTotal()).IsEqualTo(40);
}
public static void ShowMeHowToKeepAnUpdatedState(
string stockMarketApiTestUrl,
string secretKey)
{
var client = StreamdataClient <StockMarketOrders>
.WithConfiguration(conf => {
conf.SecretKey = secretKey;
conf.KeepStateUpdated();
});
int consoleWidth = 48;
int counter = 0;
StockMarketOrders actual = new StockMarketOrders();
client.OnUpdatedState += (orders) => {
Clear();
counter++;
PrintOrders(consoleWidth, counter, orders, actual);
WriteLine("...press [esc] to quit app");
actual = orders.Clone();
};
client.Start(stockMarketApiTestUrl);
while ((Console.ReadKey().Key) != ConsoleKey.Escape)
{
client.Stop();
Console.WriteLine("stopped...");
}
}
WHEN_I_create_new_instance_THEN_ensure_default_engine_is_defined()
{
ConfigurationManager.AppSettings["streamdata:secretkey"] = "abc";
var client = StreamdataClient <FakeObject> .WithDefaultConfiguration();
var type = client.Configuration.EngineType.Item1;
Check.That(type).IsEqualTo(typeof(EventSourceServerSentEngine));
}
WHEN_I_create_new_instance_in_sandbox_mode_THEN_ensure_secretkey_is_not_needed()
{
Check.ThatCode(() =>
{
var client = StreamdataClient <FakeObject> .WithConfiguration(conf =>
{
conf.UseSandbox();
});
}).DoesNotThrow();
}
WHEN_I_want_to_create_new_instance_THEN_i_must_use_configuration_helper()
{
var client = StreamdataClient <FakeObject> .WithConfiguration(conf =>
{
conf.ApiUrl = "http://fakeurl";
conf.UseSandbox();
});
Check.That(client.Configuration.ApiUrl).IsEqualTo("http://fakeurl");
}
WHEN_configuration_is_used_THEN_ensure_it_can_build_the_right_url()
{
ConfigurationManager.AppSettings["streamdata:secretkey"] = "abc";
var client = StreamdataClient <FakeObject> .WithConfiguration(
conf => conf.UserServerSentEventEngine <FakeEngine>());
string url = client.Configuration.BuildUrl("fakeurl");
string expected = $"{StreamdataOfficialUrls.PRODUCTION}/fakeurl?X-Sd-Token=abc";
client.Start("fakeurl");
Check.That(client.ListenUrl).IsEqualTo(expected);
}
WHEN_I_create_new_instance_in_production_mode_THEN_ensure_secretkey_is_configured()
{
ConfigurationManager.AppSettings["streamdata:secretkey"] = null;
Check.ThatCode(() =>
{
var client = StreamdataClient <FakeObject> .WithConfiguration(conf =>
{
conf.UseProduction();
});
}).Throws <StreamdataConfigurationException>()
.WithMessage("[SecretKey] not configured");
}
WHEN_client_starts_THEN_it_should_order_engine_to_start()
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
});
client.Start("fakeurl");
Check.That(FakeEngineWrapper.Instance.IsStarted).IsTrue();
}
WHEN_client_starts_THEN_engine_apiurl_should_be_set()
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
});
client.Start("fakeurl");
Check.That(client.Configuration.ApiUrl).IsEqualTo("fakeurl");
}
WHEN_I_stop_client_THEN_ensure_engine_does_not_throw()
{
Check.ThatCode(() =>
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
});
client.Stop();
}).DoesNotThrow();
}
WHEN_client_is_stopped_THEN_ensure_engine_is_stopped_before_destruction()
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
});
client.Start("fakeurl");
Check.ThatCode(() => client.Stop()).DoesNotThrow();
Check.That(FakeEngineWrapper.Instance.IsStarted).IsFalse();
}
WHEN_client_has_no_data_THEN_state_is_default_and_dont_throw_exception()
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
});
client.Start("fakeurl");
StockMarketOrders actualState = null;
Check.ThatCode(() => actualState = client.State)
.DoesNotThrow();
Check.That(actualState).IsEqualTo(default(StockMarketOrders));
}
WHEN_client_starts_THEN_it_should_order_engine_to_start()
{
var client = StreamdataClient <StockMarketOrders> .WithDefaultConfiguration();
StockMarketOrders orders = null;
int counter = 0;
var testApiUrl = "http://stockmarket.streamdata.io/prices";
client.OnData(o => orders = o);
client.OnPatch(p => counter++);
client.Start(testApiUrl);
var expectedUrl = $"{StreamdataOfficialUrls.PRODUCTION}/{testApiUrl}?X-Sd-Token={client.Configuration.SecretKey}";
Check.That(client.ListenUrl).IsEqualTo(expectedUrl);
//we wait 10s, after this time, we should already
//have some first data and at least, one update
Thread.Sleep(10 * 1000);
Check.That(orders).IsNotNull();
Check.That(counter).IsGreaterThan(0);
}
public static void ShowMeHowToGetDataAndPatches(
string stockMarketApiTestUrl)
{
var client = StreamdataClient <StockMarketOrders>
.WithConfiguration(conf => {
conf.UseSandbox();
});
int consoleWidth = 48;
int counter = 0;
StockMarketOrders previousOrders = new StockMarketOrders();;
StockMarketOrders actualOrders = new StockMarketOrders();;
client.OnData(data => {
Clear();
counter++;
actualOrders = data;
PrintOrders(consoleWidth, counter, data, previousOrders);
previousOrders = data.Clone();
});
client.OnPatch(patch => {
Clear();
counter++;
patch.ApplyTo(actualOrders);
PrintOrders(consoleWidth, counter, actualOrders, previousOrders);
previousOrders = actualOrders.Clone();
var json = JsonConvert.SerializeObject(patch);
WriteLine($"patch:{json}");
});
client.Start(stockMarketApiTestUrl);
while ((Console.ReadKey().Key) != ConsoleKey.Escape)
{
client.Stop();
Console.WriteLine("stopped...");
}
}
WHEN_engine_receives_data_without_ondata_configured_THEN_it_should_not_throw_exception()
{
var client = StreamdataClient <StockMarketOrders> .WithConfiguration(conf =>
{
conf.UseSandbox();
conf.UserServerSentEventEngine <FakeEngine>();
});
StockMarketOrders expectedMarketOrders = new StockMarketOrders();
expectedMarketOrders.Add(new Order()
{
Price = 10, Title = "test1"
});
expectedMarketOrders.Add(new Order()
{
Price = 20, Title = "test2"
});
client.Start("fakeurl");
Check.ThatCode(() => FakeEngineWrapper.Instance.SendData(expectedMarketOrders)).DoesNotThrow();
}
