public void Create_SetsEntityState_ToAdded()
{
using (var dbContext = new EntityDbContext())
{
var entity = new User {
Name = Guid.NewGuid().ToString()
};
dbContext.Entry(entity).State.ShouldEqual(EntityState.Detached);
dbContext.Create(entity);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Added);
}
}
public void DiscardChangesAsync_ChangesAddedEntityState_ToDetached()
{
using (var dbContext = new EntityDbContext())
{
var entity = new User {
Name = Guid.NewGuid().ToString()
};
dbContext.Create(entity);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Added);
dbContext.DiscardChangesAsync().Wait();
dbContext.Entry(entity).State.ShouldEqual(EntityState.Detached);
}
}
public void Delete_SetsEntityState_ToDeleted()
{
using (var dbContext = new EntityDbContext())
{
var entity = new User
{
Name = Guid.NewGuid().ToString()
};
dbContext.Create(entity);
var affectedRows = dbContext.SaveChangesAsync().Result;
affectedRows.ShouldEqual(1);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Unchanged);
dbContext.Delete(entity);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Deleted);
}
}
public void Update_SetsEntityState_ToModified()
{
using (var dbContext = new EntityDbContext())
{
var permissionName = Guid.NewGuid().ToString();
var entity = new Permission {
Name = permissionName, Description = "d1"
};
dbContext.Create(entity);
var affectedRows = dbContext.SaveChangesAsync().Result;
affectedRows.ShouldEqual(1);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Unchanged);
dbContext.Update(entity);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Modified);
}
}
public void DiscardChangesAsync_ChangesModifiedEntityState_ToUnchanged()
{
using (var dbContext = new EntityDbContext())
{
var userName = Guid.NewGuid().ToString();
var entity = new User {
Name = userName
};
dbContext.Create(entity);
var affectedRows = dbContext.SaveChangesAsync().Result;
affectedRows.ShouldEqual(1);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Unchanged);
entity.Name = Guid.NewGuid().ToString();
dbContext.Entry(entity).State.ShouldEqual(EntityState.Modified);
dbContext.DiscardChangesAsync().Wait();
dbContext.Entry(entity).State.ShouldEqual(EntityState.Unchanged);
entity.Name.ShouldEqual(userName);
}
}
public void ReloadAsync_ChangesModifiedEntityState_ToUnchanged()
{
using (var dbContext = new EntityDbContext())
{
var description = Guid.NewGuid().ToString();
var entity = new Permission {
Name = Guid.NewGuid().ToString(), Description = description
};
dbContext.Create(entity);
var affectedRows = dbContext.SaveChangesAsync().Result;
affectedRows.ShouldEqual(1);
dbContext.Entry(entity).State.ShouldEqual(EntityState.Unchanged);
entity.Description = Guid.NewGuid().ToString();
dbContext.Entry(entity).State.ShouldEqual(EntityState.Modified);
dbContext.ReloadAsync(entity).Wait();
dbContext.Entry(entity).State.ShouldEqual(EntityState.Unchanged);
entity.Description.ShouldEqual(description);
}
}
