@Test
public void should_remove_once_a_ball() {
whiteHasSquare();
pylos.apply(new Remove("a4"));
assertThat(pylos.getBallPosition("a4")).hasValueSatisfying(BallPosition::isEmpty);
}
@Test
public void should_not_put_a_ball_on_an_occupied_place() {
pylos.apply(new Put("a1"));
Throwable throwable = catchThrowable(() -> pylos.apply(new Put("a1")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("put a1 is not applicable");
}
@Test
public void should_not_move_ball_to_same_level() {
pylos.apply(new Put("a4"));
pylos.apply(new Put("c2"));
Throwable throwable = catchThrowable(() -> pylos.apply(new Move("a4", "d1")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("move a4 -> d1 is not applicable");
}
@Test
public void should_put_a_ball_on_the_second_level() {
pylos.apply(new Put("a1"));
pylos.apply(new Put("a2"));
pylos.apply(new Put("b1"));
pylos.apply(new Put("b2"));
pylos.apply(new Put("e1"));
assertThat(pylos.getBallPosition("e1")).hasValueSatisfying(BallPosition::isNotEmpty);
}
@Test
public void should_not_put_ball_after_square_and_remove() {
whiteHasSquare();
pylos.apply(new Remove("a4"));
Throwable throwable = catchThrowable(() -> pylos.apply(new Put("a4")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("put a4 is not applicable");
}
@Test
public void should_not_move_a_ball_if_it_doesn_t_belongs_to_current_color() {
pylos.apply(new Put("d4"));
pylos.apply(new Put("a1"));
pylos.apply(new Put("a2"));
pylos.apply(new Put("b1"));
pylos.apply(new Put("b2"));
Throwable throwable = catchThrowable(() -> pylos.apply(new Move("d4", "e1")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("move d4 -> e1 is not applicable");
}
@Test
public void should_not_pass_if_there_is_no_square_nor_line() {
Throwable throwable = catchThrowable(() -> pylos.apply(Command.pass));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("pass is not applicable");
}
@Test
public void should_pass() {
whiteHasSquare();
pylos.apply(Command.pass);
assertThat(currentColor()).hasValue(BLACK);
}
@Test
public void should_not_put_a_ball_on_an_invalid_level() {
Throwable throwable = catchThrowable(() -> pylos.apply(new Put("e0")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("put e0 is not applicable");
}
@Test
public void should_not_put_a_ball_with_invalid_coordinates() {
Throwable throwable = catchThrowable(() -> pylos.apply(new Put("a6")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("put a6 is not applicable");
}
@Test
public void should_not_remove_ball_if_there_is_no_square_nor_line() {
Throwable throwable = catchThrowable(() -> pylos.apply(new Remove("a4")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("remove a4 is not applicable");
}
@Test
public void should_not_put_ball_if_user_makes_a_square() {
whiteHasSquare();
Throwable throwable = catchThrowable(() -> pylos.apply(new Put("c1")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("put c1 is not applicable");
}
@Test
public void should_not_remove_ball_that_is_not_belongs_to_himself() {
whiteHasSquare();
Throwable throwable = catchThrowable(() -> pylos.apply(new Remove("d2")));
assertThat(throwable)
.isInstanceOf(IllegalArgumentException.class)
.hasMessageStartingWith("remove d2 is not applicable");
}
private void whiteHasSquare() {
// WHITE
pylos.apply(new Put("a4"));
// BLACK
pylos.apply(new Put("c2"));
// WHITE
pylos.apply(new Put("b4"));
// BLACK
pylos.apply(new Put("d1"));
// WHITE
pylos.apply(new Put("b3"));
// BLACK
pylos.apply(new Put("d2"));
// WHITE
pylos.apply(new Put("a3"));
}
@Test
public void should_put_a_ball_on_the_third_level() {
whiteHasSquare();
pylos.apply(Command.pass);
pylos.apply(new Put("e3"));
pylos.apply(new Put("c4"));
pylos.apply(new Put("c3"));
pylos.apply(new Put("b2"));
pylos.apply(new Put("a2"));
pylos.apply(new Put("f3"));
pylos.apply(new Put("f2"));
pylos.apply(new Put("e2"));
pylos.apply(new Put("h2"));
assertThat(pylos.getBallPosition("h2")).hasValueSatisfying(BallPosition::isNotEmpty);
}
@Test
public void should_not_move_ball_that_doesn_t_exists() {
Throwable throwable = catchThrowable(() -> pylos.apply(new Move("a1", "e1")));
assertThat(throwable).isNotNull();
}
@Test
public void should_put_a_ball_with_valid_coordinates() {
pylos.apply(new Put("a1"));
assertThat(pylos.getBallPosition("a1")).hasValueSatisfying(BallPosition::isNotEmpty);
}
private Optional<Color> currentColor() {
pylos.apply(new Put("c1"));
return pylos.getBallPosition("c1").flatMap(BallPosition::getColor);
}