gistfile1.txt

import XCTest
@testable import KittenAdoptR

class KittenDataSourceTests: XCTestCase {
    var dataSource: KittenDataSource!

    override func setUp() {
        super.setUp()

        dataSource = KittenDataSource()

        for number in 0..<20 {
            let kitten = Kitten(name: "Kitten: \(number)")
            dataSource.kittens.append(kitten)
        }

    }

    func testDataSourceHasKittens() {
        XCTAssertEqual(dataSource.kittens.count, 20,
                       "DataSource should have correct number of kittens")
    }
}