setupwitherror

setupwitherror.swift

var storeCordinator: NSPersistentStoreCoordinator!
var managedObjectModel: NSManagedObjectModel!
var store: NSPersistentStore!

override func setUpWithError() throws {
    try super.setUpWithError()
    managedObjectModel = NSManagedObjectModel.mergedModel(from: [Bundle.main])
    storeCordinator = NSPersistentStoreCoordinator(managedObjectModel: managedObjectModel)
    do {
        try storeCordinator.addPersistentStore(ofType: NSInMemoryStoreType, configurationName: nil, at: nil, options: nil)
    } catch {
        XCTFail("Failed to create a persistent store, \(error)")
    }
}