public void CancelChanges_cancels_added_changes()
{
var context = new OEContext();
var product = new ProductPoco()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <ProductPoco>().Add(product);
Assert.AreEqual(true, context.HasChanges());
Assert.AreEqual(1, context.GetChanges().Count());
context.CancelChanges();
Assert.AreEqual(false, context.HasChanges());
Assert.AreEqual(0, context.GetChanges().Count());
}
public void ApplyChanges_applies_added_changes()
{
var context = new OEContext();
var product = new Product()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <Product>().Add(product);
Assert.AreEqual(true, context.HasChanges());
Assert.AreEqual(1, context.GetChanges().Count());
context.ApplyChanges();
Assert.AreEqual(false, context.HasChanges());
Assert.AreEqual(0, context.GetChanges().Count());
Assert.AreEqual(1, context.Set <Product>().GetAll().Count());
}
public void CancelChanges_cancels_attached_modified_changes()
{
var context = new OEContext();
var product = new Product()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <Product>().Attach(product);
product.UnitPrice++;
Assert.AreEqual(true, context.HasChanges());
Assert.AreEqual(1, context.GetChanges().Count());
context.CancelChanges();
Assert.AreEqual(false, context.HasChanges());
Assert.AreEqual(0, context.GetChanges().Count());
}
public void GetChanges_should_return_added()
{
var context = new OEContext();
var product = new ProductPoco()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <ProductPoco>().Add(product);
var changes = context.GetChanges();
Assert.AreSame(product, changes.FirstOrDefault().Entity);
}
public void GetChanges_should_not_return_attached_unchanged()
{
var context = new OEContext();
var product = new ProductPoco()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <ProductPoco>().Attach(product);
var changes = context.GetChanges();
Assert.AreEqual(0, changes.Count());
}
public void GetChanges_should_not_return_added_deleted()
{
var context = new OEContext();
var product = new Product()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <Product>().Add(product);
context.Set <Product>().Delete(product);
var changes = context.GetChanges();
Assert.AreEqual(0, changes.Count());
}
public void GetChanges_should_not_return_attached_modified_deleted()
{
var context = new OEContext();
var product = new ProductPoco()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <ProductPoco>().Attach(product);
product.UnitPrice++;
context.Set <ProductPoco>().Delete(product);
var changes = context.GetChanges();
Assert.AreSame(product, changes.FirstOrDefault().Entity);
}
public void Modified_added_should_track_modified_properties_if_not_AlwaysTrackModifiedProperties()
{
var context = new OEContext();
var product = new Product()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <Product>().Add(product);
product.UnitPrice = 150;
var changes = context.GetChanges();
var entityEntry = changes.FirstOrDefault();
Assert.AreSame(product, entityEntry.Entity);
var modifiedProperties = entityEntry.ModifiedProperties.ToArray();
Assert.AreEqual(0, modifiedProperties.Count());
}
public void GetChanges_should_return_attached_modified()
{
var context = new OEContext();
var product = new ProductPoco()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <ProductPoco>().Attach(product);
product.UnitPrice++;
var changes = context.GetChanges();
Assert.AreSame(product, changes.FirstOrDefault().Entity);
var modifiedProperty = changes.First().ModifiedProperties.First();
Assert.AreEqual("UnitPrice", modifiedProperty.Name);
Assert.AreEqual(100M, modifiedProperty.OriginalValue);
}
