@Test
public void shouldPromptUserWhenFailedReturnBook() throws IOException {
when(bufferedReader.readLine()).thenReturn("3", "1");
when(library.returnBook(anyString())).thenReturn(false, true);
menu.respondToUserInput(library);
verify(printStream).println("That is not a valid book to return.");
}
@Test
public void shouldCallReturnToLibraryWithCorrectBook() throws IOException {
when(bufferedReader.readLine()).thenReturn("3", "SOME BOOK TITLE!", "0");
when(library.returnBook(anyString())).thenReturn(true);
menu.respondToUserInput(library);
verify(library).returnBook("SOME BOOK TITLE!");
}
@Test
public void shouldThankUserWhenSuccessfulReturnOfBook() throws IOException {
when(bufferedReader.readLine()).thenReturn("3", "1");
when(library.returnBook(anyString())).thenReturn(true);
menu.respondToUserInput(library);
verify(printStream).println("Thank you for returning the book.");
}
@Test
public void shouldPromptUserForBookTitleTheyWantToReturn() throws IOException {
when(bufferedReader.readLine()).thenReturn("3", "SOME TITLE!", "0");
when(library.returnBook(anyString())).thenReturn(true);
menu.respondToUserInput(library);
verify(printStream).println("Which book would you like to return?");
}
@Test
public void shouldAllowUserToReenterReturningBookTitle() throws IOException {
when(bufferedReader.readLine()).thenReturn("3", "1");
when(library.returnBook(anyString())).thenReturn(false, true);
menu.respondToUserInput(library);
verify(printStream).println("That is not a valid book to return.");
verify(printStream).println("Thank you for returning the book.");
}
@Test
public void shouldReportErrorMessageWhenUserSelectsABookThatDoesNotExist() throws IOException {
when(bufferedReader.readLine()).thenReturn("2", "100", "1", "0");
when(library.checkOutBook(99)).thenReturn(false);
when(library.checkOutBook(0)).thenReturn(true);
bookList.add(harryPotter);
menu.respondToUserInput(library);
verify(printStream).println(contains("That book is not available."));
}
@Test
public void shouldShowMenuOptionsWhenMenuIsDisplayed() {
menu.showOptions();
verify(printStream).println(contains("[1] Show all books"));
verify(printStream).println(contains("[2] Check out book"));
verify(printStream).println(contains("[3] Return Book"));
verify(printStream).println(contains("[4] Show all movies"));
verify(printStream).println(contains("[5] Check out movies"));
verify(printStream).println(contains("[0] Quit"));
}
@Test
public void shouldBePromptedOnceWhenQuitIsFirstChoice() throws IOException {
when(bufferedReader.readLine()).thenReturn("0", "1");
menu.respondToUserInput(library);
verify(bufferedReader).readLine();
}
@Test
public void shouldReportErrorMessageWhenInputIsNotInteger() throws IOException {
when(bufferedReader.readLine()).thenReturn("not an integer", "1", "0");
menu.respondToUserInput(library);
verify(printStream).println(contains("Select a valid option!"));
}
@Test
public void shouldReportErrorWhenInvalidIntegerSelected() throws IOException {
when(bufferedReader.readLine()).thenReturn("-1", "1", "0");
menu.respondToUserInput(library);
verify(printStream).println("Select a valid option!");
}
@Test
public void shouldListBooksWhenMenuOptionOneIsSelected() throws IOException {
when(bufferedReader.readLine()).thenReturn("1", "0");
menu.respondToUserInput(library);
verify(library).listBooks();
}
@Test
public void shouldCallCheckOutFromLibraryWithCorrectMovie() throws IOException {
when(bufferedReader.readLine()).thenReturn("5", "1", "0");
menu.respondToUserInput(library);
verify(library).checkOutMovie(0);
}
@Test
public void shouldListBooksWhenCustomerWantsToCheckOutABook() throws IOException {
successfullyReturnBook();
menu.respondToUserInput(library);
verify(library).listBooks();
}
@Test
public void shouldTellUserWhenTheyHaveSuccessfullyCheckedOutABook() throws IOException {
successfullyReturnBook();
menu.respondToUserInput(library);
verify(printStream).println(contains("Thank you! Enjoy the book"));
}
@Test
public void shouldPromptUserToPickBookWhenUserWantsToCheckOutBook() throws IOException {
successfullyReturnBook();
menu.respondToUserInput(library);
verify(printStream).println("Which book would you like to check out?");
}
@Test
public void shouldListMoviesWhenFourIsChosen() throws IOException {
when(bufferedReader.readLine()).thenReturn("4", "0");
menu.respondToUserInput(library);
verify(library).listMovies();
}
@Test
public void shouldPromptUserToPickMovieWhenUserWantsToCheckOutMovie() throws IOException {
when(bufferedReader.readLine()).thenReturn("5", "0");
menu.respondToUserInput(library);
verify(printStream).println("Which movie would you like to check out?");
}
@Test
public void shouldLogInUserWhenCustomerSelectsOption6() throws IOException {
when(bufferedReader.readLine()).thenReturn("6", "0");
menu.respondToUserInput(library);
verify(library).logInUser();
}
@Test
public void shouldListMoviesWhenCustomerWantsToCheckOutAMovie() throws IOException {
when(bufferedReader.readLine()).thenReturn("5", "0");
menu.respondToUserInput(library);
verify(library).listMovies();
}
@Test
public void shouldCallCheckOutFromLibraryWithCorrectBook() throws IOException {
successfullyReturnBook();
menu.respondToUserInput(library);
verify(library).checkOutBook(0);
}