import Quick
import Nimble

@testable import EXDevMenu

class DevMenuAppInstanceTest: QuickSpec {
  
  class MockedBridge: RCTBridge {
    var enqueueJSCallWasCalled = false
    
    override func invalidate() {
      // NOOP
    }

    override func enqueueJSCall(_ moduleDotMethod: String!, args: [Any]!) {
      enqueueJSCallWasCalled = true
      
      expect(moduleDotMethod).to(equal("RCTDeviceEventEmitter.emit"))
      expect(args.first as? String).to(equal("closeDevMenu"))
    }
  }
  
  override func spec() {
    it("checks if `sendCloseEvent` sends correct event") {
      let mockedBridge = MockedBridge(delegate: nil, launchOptions: nil)!
      let appInstance = DevMenuAppInstance(
        manager: DevMenuManager.shared,
        bridge: mockedBridge
      )
      
      appInstance.sendCloseEvent()
      
      expect(mockedBridge.enqueueJSCallWasCalled).to(beTrue())
    }
    
    it("checks if js bundle was found") {
      let mockedBridge = MockedBridge(delegate: nil, launchOptions: nil)!
      let appInstance = DevMenuAppInstance(
        manager: DevMenuManager.shared,
        bridge: mockedBridge
      )
      
      let sourceURL = appInstance.sourceURL(for: mockedBridge)
      
      expect(sourceURL).toNot(beNil())
    }
    
    it("checks if extra modules was exported") {
      let mockedBridge = MockedBridge(delegate: nil, launchOptions: nil)!
      let appInstance = DevMenuAppInstance(
        manager: DevMenuManager.shared,
        bridge: mockedBridge
      )
      
      let extraModules = appInstance.extraModules(for: mockedBridge)
      
      expect(extraModules).toNot(beNil())
      expect(extraModules?.count).toNot(equal(7))
      
      expect(extraModules?.first { type(of: $0).moduleName() == "ExpoDevMenuInternal" } ).toNot(beNil())
      expect(extraModules?.first { type(of: $0).moduleName() == "RNCSafeAreaProvider" } ).toNot(beNil())
      expect(extraModules?.first { type(of: $0).moduleName() == "DevLoadingView" } ).toNot(beNil())
    }
  }
}