public void Delete_Returns_False_If_Does_Not_Exist_And_Does_Not_Modify_List()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
repo.Add(people);
// Create a new 'detached' person that does not exist.
//
Person doesNotExist = new Person
{
FirstName = Guid.NewGuid().ToString(),
LastName = Guid.NewGuid().ToString()
};
PrivateKeySetter privateKeySetter = new PrivateKeySetter();
privateKeySetter.SetKey(doesNotExist, 100);
Assert.IsFalse(repo.Delete(doesNotExist));
Assert.IsTrue(repo.Count() == people.Count);
foreach (Person person in people)
{
Assert.AreEqual(person, people[person.Id]);
}
}
public void GetTable_ReturnsExistingTable()
{
InMemoryDb db = new InMemoryDb();
Assert.IsTrue(db.TableCount() == 0);
InMemoryDbTable <int, Person> people = db.GetTable <int, Person>();
Assert.IsNotNull(people);
Assert.IsTrue(people.Count() == 0);
Assert.IsTrue(db.TableCount() == 1);
InMemoryDbTable <int, Address> address = db.GetTable <int, Address>();
Assert.IsNotNull(address);
Assert.IsTrue(db.TableCount() == 2);
Person person = new Person {
FirstName = "first name", LastName = "last name"
};
people.Add(person);
Assert.IsTrue(people.Count() == 1);
InMemoryDbTable <int, Person> peopleCopy = db.GetTable <int, Person>();
Assert.IsNotNull(peopleCopy);
Assert.IsTrue(peopleCopy.Count() == 1);
}
public void Update_Returns_True_And_Modifies_Existing()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
repo.Add(people);
// Create a new 'detached' person.
//
Person person1Updated = new Person
{
FirstName = Guid.NewGuid().ToString(),
LastName = Guid.NewGuid().ToString()
};
PrivateKeySetter privateKeySetter = new PrivateKeySetter();
privateKeySetter.SetKey(person1Updated, people[0].Id);
Assert.IsTrue(repo.Update(person1Updated));
Assert.AreNotEqual(person1Updated, people[0]);
Assert.IsTrue(repo.Count() == people.Count);
}
public void Create_Throws_If_Key_Type_Not_Supported()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <DateTime, DateTimeKey> table = db.GetTable <DateTime, DateTimeKey>();
Repository <DateTime, DateTimeKey> repo = new Repository <DateTime, DateTimeKey>(table);
DateTimeKey entity = new DateTimeKey();
// create
repo.Add(entity);
}
public void Create_Adds_Entity_To_The_Table_And_Sets_String_Key()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <string, StringKey> table = db.GetTable <string, StringKey>();
Repository <string, StringKey> repo = new Repository <string, StringKey>(table);
StringKey entity = new StringKey();
// create
Assert.IsTrue(repo.Add(entity));
Assert.IsTrue(table.Count() == 1);
Assert.IsTrue(entity.Id != null);
}
public void Create_Adds_Entity_To_The_Table_And_Sets_Guid_Key()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <Guid, GuidKey> table = db.GetTable <Guid, GuidKey>();
Repository <Guid, GuidKey> repo = new Repository <Guid, GuidKey>(table);
GuidKey entity = new GuidKey();
// create
Assert.IsTrue(repo.Add(entity));
Assert.IsTrue(table.Count() == 1);
Assert.IsTrue(entity.Id != Guid.Empty);
}
public void Delete_Returns_True_And_Removes_A_List_Of_Entities_If_Found()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
repo.Add(people);
Assert.IsTrue(repo.Delete(people));
Assert.IsTrue(repo.Count() == 0);
}
public void Create_Adds_A_List_Of_Entities_To_The_Table()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
// create
Assert.IsTrue(repo.Add(people));
Assert.IsTrue(table.Count() == people.Count);
Assert.IsTrue(repo.Count() == people.Count);
Assert.IsTrue(repo.All().Count() == people.Count);
}
public void Read_Returns_Null_If_Id_Does_Not_Exist()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
repo.Add(people);
Person shouldBeNull = repo.FindBy(100);
Assert.IsNull(shouldBeNull);
}
public void GetTable_CreatesNewTables()
{
InMemoryDb db = new InMemoryDb();
Assert.IsTrue(db.TableCount() == 0);
InMemoryDbTable <int, Person> people = db.GetTable <int, Person>();
Assert.IsNotNull(people);
Assert.IsTrue(db.TableCount() == 1);
InMemoryDbTable <int, Address> addresses = db.GetTable <int, Address>();
Assert.IsNotNull(addresses);
Assert.IsTrue(db.TableCount() == 2);
}
public void Read_Finds_Exising()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
repo.Add(people);
foreach (Person person in people)
{
Person copy = repo.FindBy(person.Id);
Assert.IsNotNull(copy);
Assert.AreEqual(copy, person);
}
}
public void Create_Adds_Entities_To_The_Table_And_Sets_Int_Key()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
// create
int expectedCount = 0;
foreach (Person person in people)
{
Assert.IsTrue(table.Count() == expectedCount++);
Assert.IsTrue(repo.Add(person));
Assert.IsTrue(table.Count() == expectedCount);
Assert.IsTrue(person.Id == expectedCount - 1);
}
}
public void Delete_Returns_True_And_Removes_Entity_If_Found()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
repo.Add(people);
int expectedCount = people.Count;
foreach (Person person in people)
{
Assert.IsTrue(repo.Count() == expectedCount--);
Assert.IsTrue(repo.Delete(person));
Assert.IsTrue(repo.Count() == expectedCount);
}
}
public void All_Returns_Expected()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, Person> table = db.GetTable <int, Person>();
Repository <int, Person> repo = new Repository <int, Person>(table);
List <Person> people = CreateRandomList();
repo.Add(people);
List <Person> all = repo.All().ToList();
Assert.IsTrue(all.Count == people.Count);
foreach (Person person in all)
{
Person found = people.Where(x => x.Id == person.Id).FirstOrDefault();
Assert.IsNotNull(found);
Assert.AreEqual(found, person);
}
}
public void Create_Fails_For_Existing_Ids()
{
InMemoryDb db = new InMemoryDb();
InMemoryDbTable <int, TestObj> table = db.GetTable <int, TestObj>();
Repository <int, TestObj> repo = new Repository <int, TestObj>(table);
TestObj obj1 = new TestObj {
Id = 3
};
Assert.IsTrue(repo.Add(obj1));
TestObj obj2 = new TestObj {
Id = 3
}; // Oops...same ID
// will not add with same id
Assert.IsFalse(repo.Add(obj2));
Assert.IsTrue(repo.Count() == 1);
}