public void CountAllWithTransactionInitiated()
{
var provider = new IProvider();
var command = new ICommand();
var schema = new TypeTable(typeof(Customer));
var transaction = new Mock<ITransaction>();
provider.Setup(p => p.GetSchema(typeof(Customer))).Returns(schema);
provider.CommandBuilder.Setup(c => c.CreateCountCommand<Customer>()).Returns(command.Object);
provider.CommandExecutor.Setup(c => c.InitiateTransaction()).Returns(transaction.Object);
provider.CommandExecutor.Setup(c => c.ExecuteCount(command.Object, transaction.Object)).Returns(10);
var target = new DataSession(provider.Object);
target.BeginTransaction();
var result = target.Count<Customer>();
target.CommitTransaction();
Assert.IsTrue(result == 10);
}
public void CountAll()
{
var provider = new IProvider();
var command = new ICommand();
var schema = new TypeTable(typeof(Customer));
provider.Setup(p => p.GetSchema(typeof(Customer))).Returns(schema);
provider.CommandBuilder.Setup(c => c.CreateCountCommand<Customer>()).Returns(command.Object);
provider.CommandExecutor.Setup(c => c.ExecuteCount(command.Object)).Returns(10);
var target = new DataSession(provider.Object);
var result = target.Count<Customer>();
Assert.IsTrue(result == 10);
}
public void CountUsingExpressionThrowsArgumentNullException()
{
var provider = new IProvider();
var command = new ICommand();
var schema = new TypeTable(typeof(Customer));
Expression expression = null;
provider.Setup(p => p.GetSchema(typeof(Customer))).Returns(schema);
provider.CommandBuilder.Setup(c => c.CreateCountCommand<Customer>(expression)).Returns(command.Object);
provider.CommandExecutor.Setup(c => c.ExecuteCount(command.Object)).Returns(10);
try
{
var target = new DataSession(provider.Object);
target.Count<Customer>(expression);
}
catch (Exception ex)
{
Assert.IsTrue(ex is ArgumentNullException);
}
}
public void CountUsingExpressionThrowsUnableToCreateCommandException()
{
Expression<Func<Customer, bool>> expression = e => e.ID < 4;
var provider = new IProvider();
provider.CommandBuilder.Setup(c => c.CreateCountCommand<Customer>(expression)).Returns(default(Data.ICommand));
try
{
var target = new DataSession(provider.Object);
target.Count<Customer>(expression as Expression);
}
catch (Exception ex)
{
Assert.IsTrue(ex is UnableToCreateCommandException);
}
}
public void CountUsingLambda()
{
var provider = new IProvider();
var command = new ICommand();
var schema = new TypeTable(typeof(Customer));
Expression<Func<Customer, bool>> expression = x => x.ID < 10;
provider.Setup(p => p.GetSchema(typeof(Customer))).Returns(schema);
provider.CommandBuilder.Setup(c => c.CreateCountCommand<Customer>(expression.Body)).Returns(command.Object);
provider.CommandExecutor.Setup(c => c.ExecuteCount(command.Object)).Returns(10);
var target = new DataSession(provider.Object);
var result = target.Count(expression);
Assert.IsTrue(result == 10);
}