public void Add_modify_means_changes_on_each_op()
{
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());
product.UnitPrice++;
Assert.AreEqual(true, context.HasChanges());
}
public void Add_delete_means_no_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());
context.Set <ProductPoco>().Delete(product);
Assert.AreEqual(false, context.HasChanges());
}
public void Attach_modify_means_changes_at_the_end()
{
var context = new OEContext();
var product = new ProductPoco()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <ProductPoco>().Attach(product);
Assert.AreEqual(false, context.HasChanges());
product.UnitPrice++;
Assert.AreEqual(true, context.HasChanges());
}
public void Attach_detach_means_no_changes()
{
var context = new OEContext();
var product = new Product()
{
Id = 1,
Name = "Test product",
UnitPrice = 100
};
context.Set <Product>().Attach(product);
Assert.AreEqual(false, context.HasChanges());
context.Set <Product>().Detach(product);
Assert.AreEqual(false, context.HasChanges());
}
public void Ignore_Attach_modify_no_changes()
{
var context = new OEContext();
var product = new Product()
{
Id = 1,
Name = "Test product",
UnitPrice = 100,
Category = "Test category"
};
context.Set <Product>().Attach(product);
Assert.AreEqual(false, context.HasChanges());
product.Category = "Modified category";
Assert.AreEqual(false, context.HasChanges());
}
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 Add_means_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());
}