public void ShouldAllocateForDifferentCollections()
{
var allocator = new KeyAllocator(Store, 10);
AssertNext(allocator, "Todos", 1);
AssertNext(allocator, "Todos", 2);
AssertNext(allocator, "Todos", 3);
AssertNext(allocator, "TodoItems", 1);
AssertNext(allocator, "TodoItems", 2);
AssertNext(allocator, "TodoItems", 3);
AssertNext(allocator, "Todos", 4);
AssertNext(allocator, "Todos", 5);
}
public void ShouldAllocateKeysInChunks()
{
var allocatorA = new KeyAllocator(Store, 10);
var allocatorB = new KeyAllocator(Store, 10);
// A gets 1-10
AssertNext(allocatorA, "Todos", 1);
AssertNext(allocatorA, "Todos", 2);
AssertNext(allocatorA, "Todos", 3);
AssertNext(allocatorA, "Todos", 4);
AssertNext(allocatorA, "Todos", 5);
// B gets 11->20
AssertNext(allocatorB, "Todos", 11);
AssertNext(allocatorB, "Todos", 12);
AssertNext(allocatorB, "Todos", 13);
// A will keep allocating
AssertNext(allocatorA, "Todos", 6);
AssertNext(allocatorA, "Todos", 7);
AssertNext(allocatorA, "Todos", 8);
AssertNext(allocatorA, "Todos", 9);
AssertNext(allocatorA, "Todos", 10);
// ... until it needs a new block
AssertNext(allocatorA, "Todos", 21);
AssertNext(allocatorA, "Todos", 22);
AssertNext(allocatorA, "Todos", 23);
AssertNext(allocatorB, "Todos", 14);
AssertNext(allocatorB, "Todos", 15);
AssertNext(allocatorB, "Todos", 16);
AssertNext(allocatorB, "Todos", 17);
AssertNext(allocatorB, "Todos", 18);
AssertNext(allocatorB, "Todos", 19);
AssertNext(allocatorB, "Todos", 20);
// Now B needs a new block
AssertNext(allocatorB, "Todos", 31);
}
static void AssertNext(KeyAllocator allocator, string collection, int expected)
{
allocator.NextId(collection).Should().Be(expected);
}
static void AssertNext(KeyAllocator allocator, string collection, int expected)
{
Assert.Equal(expected, allocator.NextId(collection));
}
