Util Nimble Matcher

NotBeNilAnd.swift

import Nimble

func notBeNilAnd<T>(closure: (actual: T) -> Void) -> MatcherFunc<T> {
  return MatcherFunc { actualExpression, failureMessage in
    failureMessage.postfixMessage = "be nil"
    guard let actual = try actualExpression.evaluate() else {
      return false
    }
    closure(actual: actual)
    return true
  }
}

NotBeNilAndExample.swift

it("hoge[\"foo\"].bar should be 'bar'") {
  expect(hoge["foo"]).to(notBeNilAnd { (foo: Foo) in  // <- Specify type to pass build
    expect(foo.bar).to(notBeNilAnd { (bar: Bar) in
      expect(bar).to(equal("bar"))
    })
  })
}