public static void SetVersionOf(VersionedEntity entity, int version)
{
PropertyInfo versionProperty = entity.GetType().GetProperty("Version",
BindingFlags.Public | BindingFlags.Instance);
versionProperty.SetValue(entity, BitConverter.GetBytes(version), null);
}
public void InsertingVersionedEntities()
{
var insertWriter = new InsertWriter(new SqlServerDialect(), new VersionedConfig());
var entity = new VersionedEntity {
Name = "The Baz Man"
};
var result = insertWriter.GenerateSql(entity);
Assert.DoesNotContain(nameof(VersionedEntity.SysEndTime), result.Sql);
Assert.DoesNotContain(nameof(VersionedEntity.SysStartTime), result.Sql);
Assert.DoesNotContain(nameof(VersionedEntity.SessionUser), result.Sql);
Assert.DoesNotContain(nameof(VersionedEntity.CreatedBy), result.Sql);
}
public void VersionedModelShouldIncrement()
{
var item = new VersionedEntity()
{
Name = "Hello World"
};
Assert.Null(item.RowVersion);
_db.Add(item);
Assert.Equal(1, _db.SaveChanges());
Assert.Equal(1, item.RowVersion);
// change, save, increment
item.Name = "Goodbye";
_db.Update(item);
Assert.Equal(1, _db.SaveChanges());
Assert.Equal(2, item.RowVersion);
// fake concurrency conflict.
item.RowVersion = 1;
item.Name = "Hello Again";
_db.Update(item);
Assert.Throws <DbUpdateConcurrencyException>(() => _db.SaveChanges());
}
