public void EarlyCommit()
{
var id1 = Guid.NewGuid();
try
{
using (var container = RhetosProcessHelper.CreateTransactionScopeContainer())
{
container.CommitChanges(); // CommitChanges is incorrectly places at this position.
var context = container.Resolve <Common.ExecutionContext>();
context.Repository.TestEntity.BaseEntity.Insert(new TestEntity.BaseEntity {
ID = id1
});
throw new FrameworkException(nameof(EarlyCommit)); // The exception is not handled within transaction scope to discard the transaction.
}
}
catch (FrameworkException ex)
{
Console.WriteLine($"{ex.GetType().Name}: {ex.Message}");
}
using (var container = RhetosProcessHelper.CreateTransactionScopeContainer())
{
var context = container.Resolve <Common.ExecutionContext>();
Assert.IsTrue(context.Repository.TestEntity.BaseEntity.Query(new[] { id1 }).Any()); // The transaction is committed because of incorrect implementation pattern above.
}
}
public void RollbackByDefault()
{
var id1 = Guid.NewGuid();
try
{
using (var container = RhetosProcessHelper.CreateTransactionScopeContainer())
{
var context = container.Resolve <Common.ExecutionContext>();
context.Repository.TestEntity.BaseEntity.Insert(new TestEntity.BaseEntity {
ID = id1
});
throw new FrameworkException(nameof(RollbackByDefault)); // The exception that is not handled within transaction scope.
#pragma warning disable CS0162 // Unreachable code detected
container.CommitChanges();
#pragma warning restore CS0162 // Unreachable code detected
}
}
catch (FrameworkException ex)
{
Console.WriteLine($"{ex.GetType().Name}: {ex.Message}");
}
using (var container = RhetosProcessHelper.CreateTransactionScopeContainer())
{
var context = container.Resolve <Common.ExecutionContext>();
Assert.IsFalse(context.Repository.TestEntity.BaseEntity.Query(new[] { id1 }).Any());
}
}
public void IndependentTransactions()
{
const int threadCount = 2;
int initialCount;
using (var container = RhetosProcessHelper.CreateTransactionScopeContainer())
{
RhetosProcessHelper.CheckForParallelism(container.Resolve <ISqlExecuter>(), threadCount);
var context = container.Resolve <Common.ExecutionContext>();
initialCount = context.Repository.TestEntity.BaseEntity.Query().Count();
}
var id1 = Guid.NewGuid();
Parallel.For(0, threadCount, thread =>
{
using (var container = RhetosProcessHelper.CreateTransactionScopeContainer())
{
var context = container.Resolve <Common.ExecutionContext>();
Assert.AreEqual(initialCount, context.Repository.TestEntity.BaseEntity.Query().Count());
Thread.Sleep(100);
context.Repository.TestEntity.BaseEntity.Insert(new TestEntity.BaseEntity {
ID = id1
}); // Each thread uses the same ID to make sure only one thread can run this code at same time.
Assert.AreEqual(initialCount + 1, context.Repository.TestEntity.BaseEntity.Query().Count());
}
});
}
public void ExplicitCommit()
{
var id1 = Guid.NewGuid();
using (var container = RhetosProcessHelper.CreateTransactionScopeContainer())
{
var context = container.Resolve <Common.ExecutionContext>();
context.Repository.TestEntity.BaseEntity.Insert(new TestEntity.BaseEntity {
ID = id1
});
container.CommitChanges();
}
using (var container = RhetosProcessHelper.CreateTransactionScopeContainer())
{
var context = container.Resolve <Common.ExecutionContext>();
Assert.IsTrue(context.Repository.TestEntity.BaseEntity.Query(new[] { id1 }).Any());
}
}