public void Get_all_persons_orderd_by_age()
{
var ages = new List<int>();
using (var db = new PragmaticDbContext())
{
Person[] persons =
{
new Person { Name = "Han Solo", Age = 30 },
new Person { Name = "Peter Pan", Age = 40 },
new Person { Name = "Tom Sawyer", Age = 50 }
};
ages.AddRange(persons.Select(person => person.Age));
// Let's create persons in some random order.
foreach (var person in persons.Randomize())
{
db.Persons.Add(person);
}
db.SaveChanges();
}
var result = new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>
{
OrderBy = new OrderBy<Person>(x => x.Age)
});
Assert.That(result.CurrentPage, Is.EqualTo(Paging.None.Page));
Assert.That(result.PageSize, Is.EqualTo(Paging.None.PageSize));
Assert.That(result.TotalCount, Is.EqualTo(ages.Count));
CollectionAssert.AreEqual(ages, result.Select(x => x.Age));
}
public void Get_all_persons()
{
var ids = new List<Guid>();
using (var db = new PragmaticDbContext())
{
Person[] persons =
{
new Person { Name = "Han Solo" },
new Person { Name = "Peter Pan" },
new Person { Name = "Tom Sawyer" }
};
ids.AddRange(persons.Select(person => person.Id));
foreach (var person in persons)
{
db.Persons.Add(person);
}
db.SaveChanges();
}
var result = new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>());
Assert.That(result.CurrentPage, Is.EqualTo(Paging.None.Page));
Assert.That(result.PageSize, Is.EqualTo(Paging.None.PageSize));
Assert.That(result.TotalCount, Is.EqualTo(ids.Count));
Assert.That(result.Count(), Is.EqualTo(ids.Count));
}
public void Insert_and_return_by_id()
{
Guid id;
using (var db = new PragmaticDbContext())
{
var newPerson = new Person { Name = "Han Solo"};
id = newPerson.Id;
db.Persons.Add(newPerson);
db.SaveChanges();
}
Option<Person> person = new GetByIdQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetByIdQuery<Person> { Id = id });
Assert.IsTrue(person.IsSome);
Assert.AreEqual("Han Solo", person.Value.Name);
}
public void Insert_and_return_by_id_as_object()
{
Guid id;
using (var db = new PragmaticDbContext())
{
var newPerson = new Person { Name = "Han Solo" };
id = newPerson.Id;
db.Persons.Add(newPerson);
db.SaveChanges();
}
Option<object> person = new GetByIdQueryHandler(new PragmaticDbContext())
.Execute(new GetByIdQuery{ EntityType = typeof(Person), EntityId = id });
Assert.IsTrue(person.IsSome);
Assert.That(person.Value.GetType(), Is.EqualTo(typeof(Person)));
Assert.AreEqual("Han Solo", ((Person)person.Value).Name);
}
public void Get_persons_with_certain_name()
{
var ids = new List<Guid>();
using (var db = new PragmaticDbContext())
{
Person[] persons =
{
new Person { Name = "Han Solo" },
new Person { Name = "Peter Pan" },
new Person { Name = "Tom Sawyer" },
new Person { Name = "Han Pan" }
};
ids.AddRange(persons.Select(person => person.Id));
foreach (var person in persons)
{
db.Persons.Add(person);
}
db.SaveChanges();
}
var result = new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>
{
Criteria = Option<Expression<Func<Person, bool>>>.From(x => x.Name.StartsWith("Han"))
});
Assert.That(result.CurrentPage, Is.EqualTo(Paging.None.Page));
Assert.That(result.PageSize, Is.EqualTo(Paging.None.PageSize));
Assert.That(result.TotalCount, Is.EqualTo(2));
Assert.That(result.Count(), Is.EqualTo(2));
Assert.That(result.All(x => x.Name.StartsWith("Han")));
}
public void Get_all_persons_with_pagination_without_order_by_throws_exception()
{
var ids = new List<Guid>();
using (var db = new PragmaticDbContext())
{
Person[] persons =
{
new Person { Name = "Han Solo" },
new Person { Name = "Peter Pan" },
new Person { Name = "Tom Sawyer" }
};
ids.AddRange(persons.Select(person => person.Id));
foreach (var person in persons)
{
db.Persons.Add(person);
}
db.SaveChanges();
}
var exception = Assert.Throws<ArgumentException>(() => new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>
{
Paging = Option<Paging>.From(new Paging(1, 1))
}));
Console.WriteLine(exception.Message);
Assert.That(exception.ParamName, Is.EqualTo("query"));
Assert.That(exception.Message.Contains("Entity Framework supports pagination only if the ordering is specified."));
}
public void Get_all_persons_with_pagination()
{
var ids = new List<Guid>();
using (var db = new PragmaticDbContext())
{
Person[] persons =
{
new Person { Name = "Han Solo" },
new Person { Name = "Peter Pan" },
new Person { Name = "Tom Sawyer" }
};
ids.AddRange(persons.Select(person => person.Id));
foreach (var person in persons)
{
db.Persons.Add(person);
}
db.SaveChanges();
}
var result = new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>
{
OrderBy = Option<OrderBy<Person>>.From(new OrderBy<Person>(x => x.Name)),
Paging = Option<Paging>.From(new Paging(1, 1))
});
Assert.That(result.CurrentPage, Is.EqualTo(1));
Assert.That(result.PageSize, Is.EqualTo(1));
Assert.That(result.TotalCount, Is.EqualTo(ids.Count));
Assert.That(result.Count(), Is.EqualTo(1));
}
public void Get_all_persons_ordered_by_name_and_age_and_date_of_birth()
{
var namesAgesAndDatesOfBirth = new[]
{
new { Name = "Anne", Age = 50, DateOfBirth = new DateTime(2000, 12, 1) },
new { Name = "Anne", Age = 50, DateOfBirth = new DateTime(2000, 12, 2) },
new { Name = "Anne", Age = 60, DateOfBirth = new DateTime(2000, 12, 3) },
new { Name = "Anne", Age = 60, DateOfBirth = new DateTime(2000, 12, 4) },
new { Name = "Bob", Age = 30, DateOfBirth = new DateTime(2000, 12, 1) },
new { Name = "Bob", Age = 30, DateOfBirth = new DateTime(2000, 12, 2) },
new { Name = "Bob", Age = 40, DateOfBirth = new DateTime(2000, 12, 3) },
new { Name = "Bob", Age = 40, DateOfBirth = new DateTime(2000, 12, 4) },
new { Name = "Clark", Age = 10, DateOfBirth = new DateTime(2000, 12, 1) },
new { Name = "Clark", Age = 10, DateOfBirth = new DateTime(2000, 12, 2) },
new { Name = "Clark", Age = 20, DateOfBirth = new DateTime(2000, 12, 3) },
new { Name = "Clark", Age = 20, DateOfBirth = new DateTime(2000, 12, 4) }
};
// Let's add persons into the database in a random order.
using (var db = new PragmaticDbContext())
{
foreach (var person in namesAgesAndDatesOfBirth.Select(x => new Person { Name = x.Name, Age = x.Age, DateOfBirth = x.DateOfBirth }).Randomize())
{
db.Persons.Add(person);
}
db.SaveChanges();
}
var result = new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>
{
OrderBy = new OrderBy<Person>(person => person.Name)
.ThenBy(person => person.Age)
.ThenBy(person => person.DateOfBirth)
});
var expectedNamesAndAges = namesAgesAndDatesOfBirth;
var actualNamesAndAges = result.Select(person => new { person.Name, person.Age, person.DateOfBirth });
CollectionAssert.AreEqual(expectedNamesAndAges, actualNamesAndAges);
result = new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>
{
OrderBy = new OrderBy<Person>(person => person.DateOfBirth)
.ThenBy(person => person.Age)
.ThenBy(person => person.Name)
});
expectedNamesAndAges = namesAgesAndDatesOfBirth.OrderBy(x => x.DateOfBirth).ThenBy(x => x.Age).ThenBy(x => x.Name).ToArray();
actualNamesAndAges = result.Select(person => new { person.Name, person.Age, person.DateOfBirth });
CollectionAssert.AreEqual(expectedNamesAndAges, actualNamesAndAges);
}
public void Get_all_persons_orderd_by_name_descending()
{
var names = new List<string>();
using (var db = new PragmaticDbContext())
{
Person[] persons =
{
new Person { Name = "Han Solo" },
new Person { Name = "Peter Pan" },
new Person { Name = "Tom Sawyer" }
};
names.AddRange(persons.Select(person => person.Name));
foreach (var person in persons)
{
db.Persons.Add(person);
}
db.SaveChanges();
}
var result = new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>
{
OrderBy = Option<OrderBy<Person>>.From(new OrderBy<Person>(x => x.Name, OrderByDirection.Descending))
});
Assert.That(result.CurrentPage, Is.EqualTo(Paging.None.Page));
Assert.That(result.PageSize, Is.EqualTo(Paging.None.PageSize));
Assert.That(result.TotalCount, Is.EqualTo(names.Count));
CollectionAssert.AreEqual(names.OrderByDescending(x => x), result.Select(x => x.Name));
}
public void Get_all_persons_orderd_by_is_administrator()
{
var isAdministratorValues = new List<bool>();
using (var db = new PragmaticDbContext())
{
Person[] persons =
{
new Person { Name = "Han Solo", IsAdministrator = false },
new Person { Name = "Peter Pan", IsAdministrator = false },
new Person { Name = "Tom Sawyer", IsAdministrator = true }
};
isAdministratorValues.AddRange(persons.Select(person => person.IsAdministrator));
foreach (var person in persons)
{
db.Persons.Add(person);
}
db.SaveChanges();
}
var result = new GetAllQueryHandler<Person>(new PragmaticDbContext())
.Execute(new GetAllQuery<Person>
{
OrderBy = Option<OrderBy<Person>>.From(new OrderBy<Person>(x => x.IsAdministrator))
});
Assert.That(result.CurrentPage, Is.EqualTo(Paging.None.Page));
Assert.That(result.PageSize, Is.EqualTo(Paging.None.PageSize));
Assert.That(result.TotalCount, Is.EqualTo(isAdministratorValues.Count));
CollectionAssert.AreEqual(isAdministratorValues.OrderBy(x => x), result.Select(x => x.IsAdministrator));
}