def test_is_legal_move_for_pawn(self):
from board import Board
import constants
b = Board()
b._board = ChessTest.board2
#White pawn, forward one space from default position
self.assertTrue(b._isLegalMoveForPawn([7, 1, 7, 2], constants.WHITE_PLAYER))
#White pawn, forward two spaces from default position
self.assertTrue(b._isLegalMoveForPawn([7, 1, 7, 3], constants.WHITE_PLAYER))
#Black pawn, forward one space from default position
self.assertTrue(b._isLegalMoveForPawn([6, 6, 6, 5], constants.BLACK_PLAYER))
#Black pawn, forward two spaces from default position
self.assertTrue(b._isLegalMoveForPawn([6, 6, 6, 4], constants.BLACK_PLAYER))
#Black pawn, forward one space from non-default position
self.assertTrue(b._isLegalMoveForPawn([5, 5, 5, 4], constants.BLACK_PLAYER))
b._board = ChessTest.board1
#Legal move to kill
self.assertTrue(b._isLegalMoveForPawn([3, 4, 4, 5], constants.WHITE_PLAYER))
#Legal move to kill 2
self.assertTrue(b._isLegalMoveForPawn([3, 4, 2, 5], constants.WHITE_PLAYER))
def test_is_legal_move_for_pawn_negative_test(self):
from board import Board
import constants
b = Board()
b._board = ChessTest.board2
#White pawn, forward three spaces from default position
self.assertFalse(b._isLegalMoveForPawn([7, 1, 7, 4], constants.WHITE_PLAYER))
#White pawn, backward one space
self.assertFalse(b._isLegalMoveForPawn([7, 1, 7, 0], constants.WHITE_PLAYER))
#Black pawn, move to left
self.assertFalse(b._isLegalMoveForPawn([6, 5, 6, 5], constants.WHITE_PLAYER))
#Black pawn, move to right
self.assertFalse(b._isLegalMoveForPawn([6, 5, 6, 5], constants.WHITE_PLAYER))
#Black pawn, forward diagonally
self.assertFalse(b._isLegalMoveForPawn([5, 5, 4, 4], constants.WHITE_PLAYER))
#Black pawn, forward diagonally
self.assertFalse(b._isLegalMoveForPawn([5, 5, 5, 4], constants.WHITE_PLAYER))
#White pawn, backward diagonally
self.assertFalse(b._isLegalMoveForPawn([5, 1, 6, 0], constants.WHITE_PLAYER))
#White pawn, backward diagonally
self.assertFalse(b._isLegalMoveForPawn([3, 1, 4, 0], constants.WHITE_PLAYER))
#White pawn, far across board
self.assertFalse(b._isLegalMoveForPawn([3, 1, 5, 7], constants.WHITE_PLAYER))
b._board = ChessTest.board1
#Cannot kill piece by moving forward (must move diagnoally)
self.assertFalse(b._isLegalMoveForPawn([6, 3, 6, 4], constants.WHITE_PLAYER))
