public void Get_CanGetWritableEntity_WhenEntityExists()
{
using (var context = new FakeDbContext())
{
var repository = new EntityFrameworkRepository <FakeCustomer>(() => context);
var customer = repository.Get(1);
Assert.NotNull(customer);
Assert.Equal(EntityState.Unchanged, context.Entry(customer).State);
}
}
public void Query_CanGetReadOnlyEntity_WhichAreNotTrackedByContext()
{
using (var context = new FakeDbContext())
{
var repository = new EntityFrameworkRepository <FakeCustomer>(() => context);
var firstCustomer = repository.Query().First();
var isFirstCustomerTrackedByContext = context.Entry(firstCustomer).State != EntityState.Detached;
Assert.NotNull(firstCustomer);
Assert.Equal(false, isFirstCustomerTrackedByContext);
}
}
public void Delete_CanMarkEntityForDeletion_WhenEntityExists()
{
using (var context = new FakeDbContext())
{
var repository = new EntityFrameworkRepository <FakeCustomer>(() => context);
var customer = repository.Get(1);
Assert.NotNull(customer);
repository.Delete(customer);
Assert.Equal(EntityState.Deleted, context.Entry(customer).State);
}
}
public void Save_CanCreateEntity_WhenEntityIsNotTrackedByContext()
{
using (var context = new FakeDbContext())
{
var repository = new EntityFrameworkRepository <FakeCustomer>(() => context);
var customer = new FakeCustomer
{
FirstName = "John",
LastName = "Doe"
};
repository.Save(customer);
Assert.Equal(EntityState.Added, context.Entry(customer).State);
}
}
public void Delete_ExistingDetachedEntity_Deleted()
{
// Arrange
const int id = 40;
var dbContextOptionsBuilder = new DbContextOptionsBuilder <DbContext>().UseInMemoryDatabase(nameof(Delete_ExistingEntity_Deleted));
var fakeDbContext = new FakeDbContext(dbContextOptionsBuilder.Options, "dbo");
var entity = fakeDbContext.Add(new FakeEntity {
Id = id
}).Entity;
fakeDbContext.SaveChanges();
fakeDbContext.Entry(entity).State = EntityState.Detached;
var repository = new Repository <FakeEntity, int>(fakeDbContext);
// Act
repository.Delete(entity);
fakeDbContext.SaveChanges();
// Assert
Assert.False(fakeDbContext.Set <FakeEntity>().Any(x => x.Id == id));
}