public void CreateConnectionUsesRegisteredProvider()
{
const string bankId1 = "TestBank1";
const string bankId2 = "TestBank2";
var testConnection1 = Substitute.For <IBankConnection>();
var testConnection2 = Substitute.For <IBankConnection>();
var testProvider1 = Substitute.For <IBankConnectionProvider>();
testProvider1.BankId.Returns(bankId1);
testProvider1.CreateConnection().Returns(testConnection1);
var testProvider2 = Substitute.For <IBankConnectionProvider>();
testProvider2.BankId.Returns(bankId2);
testProvider2.CreateConnection().Returns(testConnection2);
var connectionManager = new BankConnectionManager();
connectionManager.RegisterConnectionProvider(testProvider1);
connectionManager.RegisterConnectionProvider(testProvider2);
var newConnection = connectionManager.CreateConnection(bankId1);
Assert.That(newConnection, Is.EqualTo(testConnection1));
Assert.That(newConnection, Is.Not.EqualTo(testConnection2));
}
/// <summary>
/// Adds the IBankConnectionManager service with a list of registered connection providers for the application
/// </summary>
public static IServiceCollection AddBankConnections(this IServiceCollection services)
{
var connectionManager = new BankConnectionManager();
connectionManager.RegisterConnectionProvider(new BizfiBankConnectionProvider());
return(services
.AddSingleton <IBankConnectionManager>(connectionManager));
}
public void RegisterConnectionProviderPreventsDuplicateRegistration()
{
const string bankId = "TestBank";
var testProvider1 = Substitute.For <IBankConnectionProvider>();
testProvider1.BankId.Returns(bankId);
var testProvider2 = Substitute.For <IBankConnectionProvider>();
testProvider2.BankId.Returns(bankId);
var connectionManager = new BankConnectionManager();
connectionManager.RegisterConnectionProvider(testProvider1);
Assert.Throws <ArgumentException>(
() => connectionManager.RegisterConnectionProvider(testProvider2)
);
}
public void RegisterConnectionProviderCanRegisterProvider()
{
const string bankId = "TestBank";
var testProvider = Substitute.For <IBankConnectionProvider>();
testProvider.BankId.Returns(bankId);
var connectionManager = new BankConnectionManager();
connectionManager.RegisterConnectionProvider(testProvider);
var registeredConnections = connectionManager.GetRegisteredBankIds();
Assert.That(registeredConnections.Count, Is.EqualTo(1));
Assert.That(registeredConnections[0], Is.EqualTo(bankId));
}
public void CreateConnectionFailsWithNoRegisteredProvider()
{
const string bankId1 = "TestBank1";
const string bankId2 = "TestBank2";
var testConnection = Substitute.For <IBankConnection>();
var testProvider1 = Substitute.For <IBankConnectionProvider>();
testProvider1.BankId.Returns(bankId1);
testProvider1.CreateConnection().Returns(testConnection);
var connectionManager = new BankConnectionManager();
connectionManager.RegisterConnectionProvider(testProvider1);
Assert.Throws <InvalidOperationException>(
() => connectionManager.CreateConnection(bankId2)
);
}