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));
}
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)
);
}