public static TaxStrategyFactory GetInstance(ITaxConfigurationRepository configurationRepository)
{
if(_instance == null)
{
if (configurationRepository == null) configurationRepository = new TaxConfigurationRepository();
_instance = new TaxStrategyFactory(configurationRepository);
}
return _instance;
}
public void GetInstanceTest_with_custom_repository()
{
// Arrange
ITaxConfigurationRepository configurationRepository = new TaxConfigurationRepository();
// Act
TaxStrategyFactory actual = TaxStrategyFactory.GetInstance(configurationRepository);
TaxStrategyFactory actual2 = TaxStrategyFactory.GetInstance();
// Assert
Assert.AreSame(actual, actual2);
}