public void Persist_Method()
{
Assert.Throws <ArgumentNullException>(() => new MemoryRepository <TestEntity>().Persist(null));
var entity = new TestEntity {
Name = "first"
};
using (var repository = new MemoryRepository <TestEntity>())
{
Assert.False(repository.Any());
repository.Transaction(() => Assert.True(ReferenceEquals(repository.Persist(entity), repository)));
entity = repository.Single();
Assert.Equal(0, entity.Id);
Assert.Equal("first", entity.Name);
entity.Name = "second";
repository.Transaction(() => repository.Persist(entity));
entity = repository.Single();
Assert.Equal(0, entity.Id);
Assert.Equal("second", entity.Name);
Assert.Equal(1, repository.Count(x => x.Name == "second"));
Assert.Equal("second", repository.Single(x => x.Name == "second").Name);
}
}
public void DeleteAll_Method()
{
using (var repository = new MemoryRepository <TestEntity>())
{
repository.Transaction(() => Assert.True(ReferenceEquals(repository.DeleteAll(), repository)));
Assert.False(repository.Any());
repository.Transaction(() => repository.Persist(new TestEntity()).Persist(new TestEntity()));
Assert.Equal(2, repository.Count());
repository.Transaction(() => repository.DeleteAll());
Assert.False(repository.Any());
}
}
public void Transaction_Method()
{
var entity = new TestEntity();
using (var repository = new MemoryRepository <TestEntity>())
{
using (repository.Transaction())
{
repository.Persist(entity);
}
Assert.Equal(1, repository.Count());
using (var transaction = repository.Transaction())
{
repository.Persist(entity);
transaction.Rollback();
}
Assert.Equal(1, repository.Count());
try
{
using (repository.Transaction())
{
repository.Persist(entity);
throw new Exception();
}
}
catch
{
Assert.True(true);
}
Assert.Equal(1, repository.Count());
using (var transaction = repository.Transaction())
{
repository.Persist(entity);
transaction.Commit();
}
Assert.Equal(1, repository.Count());
using (repository.Transaction())
{
repository.Delete(entity);
}
Assert.Equal(0, repository.Count());
using (var transaction = repository.Transaction())
{
repository.Delete(entity);
transaction.Rollback();
}
Assert.Equal(0, repository.Count());
try
{
using (repository.Transaction())
{
repository.Delete(entity);
throw new Exception();
}
}
catch
{
Assert.True(true);
}
Assert.Equal(0, repository.Count());
using (var transaction = repository.Transaction())
{
repository.Delete(entity);
transaction.Commit();
}
Assert.Equal(0, repository.Count());
}
}
