public void entities_should_not_be_deleted_from_storage()
{
// using Service API, call Delete on the record
using (var work = Ignorance.Create.Work())
{
var s = new DepartmentService(work);
var d = s.GetByID(this.TestDepartmentID);
s.Delete(d);
// but do NOT call Save on Work.
}
// test (using straight EF) that the record still exists.
using (var db = new AdventureWorksEntities())
{
var d = db.Departments.Find(this.TestDepartmentID);
Assert.IsNotNull(d, "Changes were persisted without Work.Save().");
}
}
public void changes_to_entities_should_not_persist()
{
// using Service API, call Update on the record
using (var work = Ignorance.Create.Work())
{
var s = new DepartmentService(work);
var d = s.GetByID(this.TestDepartmentID);
d.Name = "Updated";
s.Update(d);
// but do NOT call Save on Work.
}
// test (using straight EF) that the record still exists.
using (var db = new AdventureWorksEntities())
{
var d = db.Departments.Find(this.TestDepartmentID);
Assert.AreEqual("Ignorance", d.Name, "Update was persisted without Work.Save().");
}
}
public void added_entities_should_not_persist()
{
var guidName = Guid.NewGuid().ToString();
// using Service API, Add a record
using (var work = Ignorance.Create.Work())
{
var s = new DepartmentService(work);
var d = s.Create();
d.Name = guidName;
s.Add(d);
// but do NOT call Save on Work.
}
// test (using straight EF) that the record still exists.
using (var db = new AdventureWorksEntities())
{
var d = db.Departments.FirstOrDefault(p => p.Name == guidName);
Assert.IsNull(d, "Add was persisted without Work.Save().");
}
}
public void Service_Update_should_apply_the_changes()
{
// change the entity outside a working context
this.Dept.Name = new_department_name;
// use Update to re-attach and save the changes
using (var work = Ignorance.Create.Work())
{
var s = new DepartmentService(work);
s.Update(this.Dept);
work.Save();
}
// verify the changes using EF
using (var db = new AdventureWorksEntities())
{
var d = db.Departments.Find(this.Dept.DepartmentID);
Assert.AreEqual(new_department_name, d.Name, "Changes from outside of Work were not applied.");
}
}
public void SetUp()
{
// create a record using straight EF
using (var db = new AdventureWorksEntities())
{
var d = new Department() {
Name = "Ignorance",
GroupName = "Information Technology",
ModifiedDate = DateTime.Today
};
db.Departments.Add(d);
db.SaveChanges();
this.TestDepartmentID = d.DepartmentID;
}
}
public void TearDown()
{
// delete the test record using straight EF
using (var db = new AdventureWorksEntities())
{
var d = db.Departments.Find(this.TestDepartmentID);
db.Departments.Remove(d);
db.SaveChanges();
}
}
