public async Task OnceExecuteBeginTransactionTest()
{
var stepId = Guid.NewGuid();
var user = new User {
Name = "OnceExecuteBeginTransactionTest", Years = 18
};
await using (var testDbContext = new TestDbContext(DbName))
{
var ex = new OnceExecutorEf <TestDbContext, User>(testDbContext);
// transaction 1
var result = await ex.Execute(stepId,
(context, c) => context.Users.AddAsync(user, c).AsTask(),
(context, c) => context.Users.FirstOrDefaultAsync(x => x.Name == "OnceExecuteBeginTransactionTest", cancellationToken: c)
);
Assert.IsNotNull(result);
Assert.AreEqual(user.Id, result.Id);
await testDbContext.Users.AddAsync(new User()
{
Name = "OnceExecuteBeginTransactionTest-2"
});
// transaction 2
await testDbContext.SaveChangesAsync();
}
await CheckUsers("OnceExecuteBeginTransactionTest", "OnceExecuteBeginTransactionTest-2");
}
public void DoubleInsertTest()
{
Assert.CatchAsync <DbUpdateException>(async() =>
{
var user = new User {
Name = "DoubleInsertTest", Years = 18
};
await using (var testDbContext = new TestDbContext(DbName))
{
await testDbContext.Users.AddAsync(user);
await testDbContext.SaveChangesAsync();
}
await using (var testDbContext = new TestDbContext(DbName))
{
await testDbContext.Users.AddAsync(user);
await testDbContext.SaveChangesAsync();
}
});
}