Quick bug? Update: Not anymore.

LibrarySpec.swift

import Quick
import Nimble

class LibrarySpec: QuickSpec {
    override func spec() {
        describe("library") {
            var library: Library!
            
            beforeEach {
                library = Library()
            }
            
            context("when initialized") {
                it("has no playlists") {
                    expect(library.hasPlaylists()).to(beFalse())
                }
            }
            
            context("when populated with valid playlists") {
                // where can i use library initialized by beforeEach?
                // a) library.addPlaylist(Playlist())
                // but library is nil here. beforeEach was not called?
                // fatal error: unexpectedly found nil while unwrapping an Optional value
                
                // Fix: Wrap it in beforeEach.
                beforeEach {
                    library.addPlaylist(Playlist())
                }
                
                it("has playlists") {
                    // b) library.addPlaylist(Playlist())
                    // works...
                    expect(library.hasPlaylists()).to(beTrue())
                }
                
                it("has only 1 playlist") {
                    // b) library.addPlaylist(Playlist())
                    // works...
                    expect(library.size()).to(equal(1))
                }
            }
        }
    }
}

Models.swift

struct Library {
    
    var playlists = Array<Playlist>()
    
    mutating func addPlaylist(playlist: Playlist) {
        playlists.append(playlist)
    }
    
    func size() -> Int {
        return playlists.count
    }
    
    func hasPlaylists() -> Bool {
        return size() > 0
    }
    
}


struct Playlist {
    
}