public static IPerson GetRandomPerson()
{
string firstName = FirstNames[random.Next(0, FirstNames.Length)];
string lastName = LastNames[random.Next(0, LastNames.Length)];
int age = Ages[random.Next(0, Ages.Length - 1)];
IPerson person;
if (random.Next(1, 3) == 1)
{
person = new PersonVer1(firstName, lastName);
}
else
{
person = new PersonVer2(firstName, lastName, age);
}
return(person);
}
public async Task TestAddAndUpdateOnePersonCreatingDifferentVersions()
{
//-----------------------------------------------------------------------------------------------------------
// Arrange - Database connection, etc.
//-----------------------------------------------------------------------------------------------------------
MongoDbContext dbContext = new MongoDbContext(MongoUrl, DatabaseName, CollectionName);
await dbContext.Mongodb.DropCollectionAsync(CollectionName);
var personRepository = new VersionedDocumentRepository <IPerson>(dbContext);
//-----------------------------------------------------------------------------------------------------------
// Arrange - Person versions. One original version, and 3 updated versions.
//-----------------------------------------------------------------------------------------------------------
var originalPerson = new PersonVer1(firstName: "Martin", lastName: "Van Nostrand");
var personVersion2 = new PersonVer2(firstName: "Peter", lastName: "Van Nostrand", age: 45);
var personVersion3 = new PersonVer1(firstName: "Kel", lastName: "Varnsen");
var personVersion4 = new PersonVer2(firstName: "Art", lastName: "Vandelay", age: 37);
ObjectId objectId = ObjectId.GenerateNewId();
//-----------------------------------------------------------------------------------------------------------
// Act - Insert and Delete documents
//-----------------------------------------------------------------------------------------------------------
var currentDocument = await personRepository.InsertDocumentAsync(objectId, originalPerson); // Version 1, First insert
objectId = currentDocument.Id;
await personRepository.InsertDocumentAsync(objectId, personVersion2); // Version 2, Change [last name, person type].
await personRepository.InsertDocumentAsync(objectId, personVersion3); // Version 3, Change [first name, last name, person type].
await personRepository.DeleteDocumentAsync(objectId); // Version 4, Delete document
await personRepository.InsertDocumentAsync(objectId, personVersion4); // Version 5, Change [first name, last name]
await personRepository.DeleteDocumentAsync(objectId); // Version 6, Delete document
//-----------------------------------------------------------------------------------------------------------
// Act - Restore versions
//-----------------------------------------------------------------------------------------------------------
var restoredVer6 = await personRepository.RestoreDocumentAsync(objectId, 6);
var restoredVer5 = await personRepository.RestoreDocumentAsync(objectId, 5);
var restoredVer4 = await personRepository.RestoreDocumentAsync(objectId, 4);
var restoredVer3 = await personRepository.RestoreDocumentAsync(objectId, 3);
var restoredVer2 = await personRepository.RestoreDocumentAsync(objectId, 2);
var restoredVer1 = await personRepository.RestoreDocumentAsync(objectId, 1);
//-----------------------------------------------------------------------------------------------------------
// Assert - Restored versions
//-----------------------------------------------------------------------------------------------------------
restoredVer6.Should().BeNull("the observation was deleted in version 6");
restoredVer5.Should().BeEquivalentTo(personVersion4, "in version 5, the personVersion4 was inserted");
restoredVer4.Should().BeNull("the observation was deleted in version 4");
restoredVer3.Should().BeEquivalentTo(personVersion3, "in version 3, the personVersion3 was inserted");
restoredVer2.Should().BeEquivalentTo(personVersion2, "in version 2, the personVersion2 was inserted");
restoredVer1.Should().BeEquivalentTo(originalPerson, "in version 1, the originalPerson was inserted");
}
