text: import unittest
  from .helpers import C, WHITE, BLACK
  
  class TestWinPawnCature(unittest.TestCase):
      def get_board(self, *args, **kwargs):
          from chess.models import Board
          return Board(*args, **kwargs)
  
      def get_win(self, *args, **kwargs):
          from chess.models import win_pawncapture
          return win_pawncapture(*args, **kwargs)
  
      def test_complete_nowin(self):
          config = 'r......r' + \
                   'pppppppp' + \
                   '........' + \
                   '........' + \
                   '........' + \
                   '........' + \
                   'PPPPPPPP' + \
                   'R......R' 
          board = self.get_board(config)
  
          result = self.get_win(board)
          self.assertEqual(result, 0)
  
      def test_single_nowin(self):
          config = 'r..r....' + \
                   '........' + \
                   '........' + \
                   '...p....' + \
                   '....P...' + \
                   '........' + \
                   '........' + \
                   'R......R' 
          board = self.get_board(config)
  
          result = self.get_win(board)
          self.assertEqual(result, 0)
  
      def test_single_whitewin(self):
          config = 'r..r....' + \
                   '........' + \
                   '........' + \
                   '...P....' + \
                   '........' + \
                   '........' + \
                   '........' + \
                   'R......R' 
          board = self.get_board(config)
  
          result = self.get_win(board)
          self.assertEqual(result, WHITE)
  
      def test_single_blackwin(self):
          config = 'r..r....' + \
                   '........' + \
                   '........' + \
                   '........' + \
                   '....p...' + \
                   '........' + \
                   '........' + \
                   'R......R' 
          board = self.get_board(config)
  
          result = self.get_win(board)
          self.assertEqual(result, BLACK)
  
  if __name__ == '__main__':
      unittest.main()