@Test
public void testGetSticksInputWith2()
throws IOException, NumberFormatException, NumberIsOutsideRangeException {
when(in.readLine()).thenReturn("2");
assertEquals(2, sut.getStickInput());
}
@Test
public void testDisplayGameInstructions() {
sut.displayGameInstructions();
verify(out)
.println(
"The game is called 21 sticks. Your goal is to not take the last stick. You take a number of sticks, between 1 and 3, and the other player does the same. The player tha takes the last one loses.");
}
@Test
public void testGetSticksPrintsInstructions() throws IOException, NumberIsOutsideRangeException {
try {
sut.getStickInput();
} catch (NumberFormatException e) {
}
verify(out).print("Please write the number of sticks to take, between 1 and 3: ");
}
@Test(expected = NumberIsOutsideRangeException.class)
public void testGetSticksInputWithInputSmallerThan0()
throws IOException, NumberIsOutsideRangeException {
when(in.readLine()).thenReturn("-1");
sut.getStickInput();
}
@Test(expected = NumberFormatException.class)
public void testGetSticksInputWithInputThatIsNotANumberShouldThrowNumberFormatException()
throws IOException, NumberIsOutsideRangeException {
when(in.readLine()).thenReturn("x");
sut.getStickInput();
}
@Test
public void testDisplayQuitMessage() {
sut.displayQuitMessage();
verify(out).println("You are now quitting the game. Have a good day!");
}
@Test
public void testDisplayStartMessage() {
sut.displayStartMessage();
verify(out).println("Welcome to the 21 sticks game!");
}
@Test
public void testReadInputReturnY() throws IOException {
when(in.readLine()).thenReturn("y");
assertEquals("y", sut.getInput());
}
@Test
public void testDisplaySticksLeft() {
sut.displaySticksLeft(5);
verify(out).println("There are 5 sticks left.");
}
@Test
public void testDispayStartInstructions() {
sut.displayStartInstructions();
verify(out).print("To begin the game write 'y', and to quit write 'Q': ");
}