RetrieveShowingsStepDefs.java

public class StepDefs implements En {
   
    public StepDefs() {

        Given("^a cinephile$", () -> me = new Cinephile("me"));
        Given("^the last showing is not started yet$", 
           () -> lastShowing = new Showing(now().plusHours(3)));

        When("^the user asks for the next showings$",
                () -> nextShowings = searchShowings.searchNextShowingsFor(me));

       Then("^the returned showings are not started yet$", () -> {
            assertThat(allShowings.stream().filter(showing -> !showing.hasStarted()))
               .containsAnyElementsOf(nextShowings);
        });
       
        Then("^the returned showings are not starting in the next 15 minutes$", () -> {
            assertThat(nextShowings)
               .noneMatch( showing -> showing.startsBefore(now().plusMinutes(15)));
        });
    }
}