def setUp(self):
valid_grid_0_chars = '4.....8.5.3..........7......2.....6.....8.4......1.......6.3.7.5..2.....1.4......'
self.valid_grid_0 = make_grid_from_string(valid_grid_0_chars)
self._all_possible_values = {'Gh': '123456789', 'Fe': '123456789', 'Ab': '123456789', 'Db': '123456789',
'Ei': '123456789', 'Ba': '123456789', 'Ac': '123456789', 'Eh': '123456789',
'Ih': '123456789', 'He': '123456789', 'Eg': '123456789', 'Hd': '123456789',
'Bi': '123456789', 'Cg': '123456789', 'Cc': '123456789', 'Hi': '123456789',
'Af': '123456789', 'Aa': '123456789', 'Ia': '123456789', 'Bg': '123456789',
'Gf': '123456789', 'Ai': '123456789', 'Hb': '123456789', 'Ae': '123456789',
'Fa': '123456789', 'Ge': '123456789', 'Hh': '123456789', 'Cd': '123456789',
'Ha': '123456789', 'Fi': '123456789', 'Hf': '123456789', 'Gg': '123456789',
'De': '123456789', 'Df': '123456789', 'Hg': '123456789', 'Dd': '123456789',
'Da': '123456789', 'Ga': '123456789', 'Ic': '123456789', 'Bc': '123456789',
'Ci': '123456789', 'Dh': '123456789', 'Bd': '123456789', 'Di': '123456789',
'Bf': '123456789', 'Id': '123456789', 'Cb': '123456789', 'Gd': '123456789',
'Hc': '123456789', 'Gi': '123456789', 'Ch': '123456789', 'Ee': '123456789',
'Ea': '123456789', 'Ff': '123456789', 'Fg': '123456789', 'Fc': '123456789',
'Bb': '123456789', 'Ie': '123456789', 'If': '123456789', 'Ad': '123456789',
'Eb': '123456789', 'Gb': '123456789', 'Ib': '123456789', 'Cf': '123456789',
'Ef': '123456789', 'Ig': '123456789', 'Dg': '123456789', 'Ah': '123456789',
'Ed': '123456789', 'Fb': '123456789', 'Gc': '123456789', 'Fd': '123456789',
'Bh': '123456789', 'Ce': '123456789', 'Ag': '123456789', 'Dc': '123456789',
'Ii': '123456789', 'Ec': '123456789', 'Ca': '123456789', 'Fh': '123456789',
'Be': '123456789'}
solved_puzzle_string = '437256189569183742812794536673921458985467321241538697124379865798645213356812974'
self.solved_puzzle = make_grid_from_string(solved_puzzle_string)
self.solved_puzzle.parse_grid_candidates()
def test_repr_4(self):
"""tests that the __repr__ returns the proper string
"""
puzzle_string = '769123485812456937534789216381964752426517893975238641143872569697345128258691374'
puzzle = make_grid_from_string(puzzle_string)
result = repr(puzzle)
self.assertEqual(result, puzzle_string)
def test_repr_3(self):
"""tests that the __repr__ returns the proper string
"""
puzzle_string = '.................................................................................'
puzzle = make_grid_from_string(puzzle_string)
result = repr(puzzle)
self.assertEqual(result, puzzle_string)
def test_repr_2(self):
"""tests that the __repr__ returns the proper string
"""
puzzle_string = '4.....8.5.3..........7......2.....6.....8.4......1.......6.3.7.5..2.....1.4......'
puzzle = make_grid_from_string(puzzle_string)
result = repr(puzzle)
self.assertEqual(result, puzzle_string)
def test_repr_1(self):
"""tests that the __repr__ returns the proper string
"""
puzzle_string = '.6..7.4..5......12...1....7..5.4.27..3.....4..19.6.8...4...1...79.6....8..1.5..2.'
puzzle = make_grid_from_string(puzzle_string)
result = repr(puzzle)
self.assertEqual(result, puzzle_string)
def test_is_solved_invalid_full_puzzle(self):
"""tests that calling is_solved() on a solved puzzle returns True
"""
invalid_full_puzzle_string = '444444444569183742812794536673921458985467321241538697124379865798645213356812974'
full_invalid_puzzle = make_grid_from_string(invalid_full_puzzle_string)
unsolved = full_invalid_puzzle.is_solved()
self.assertFalse(unsolved)
def test_parse_grid_1_in_Aa(self):
"""
tests whether the possible remaining values assigned for a given puzzle are correct
"""
grid_chars_w_1_in_Aa = '1................................................................................'
valid_grid_w_1_in_Aa = make_grid_from_string(grid_chars_w_1_in_Aa)
is_valid = valid_grid_w_1_in_Aa.is_valid()
self.assertTrue(is_valid)
_expected_candidates = {'Gh': '123456789', 'Fe': '123456789', 'Ab': '123456789', 'Db': '123456789',
'Ei': '123456789', 'Ba': '123456789', 'Ac': '123456789', 'Eh': '123456789',
'Ih': '123456789', 'He': '123456789', 'Eg': '123456789', 'Hd': '123456789',
'Bi': '123456789', 'Cg': '123456789', 'Cc': '123456789', 'Hi': '123456789',
'Af': '123456789', 'Aa': '1........', 'Ia': '123456789', 'Bg': '123456789',
'Gf': '123456789', 'Ai': '123456789', 'Hb': '123456789', 'Ae': '123456789',
'Fa': '123456789', 'Ge': '123456789', 'Hh': '123456789', 'Cd': '123456789',
'Ha': '123456789', 'Fi': '123456789', 'Hf': '123456789', 'Gg': '123456789',
'De': '123456789', 'Df': '123456789', 'Hg': '123456789', 'Dd': '123456789',
'Da': '123456789', 'Ga': '123456789', 'Ic': '123456789', 'Bc': '123456789',
'Ci': '123456789', 'Dh': '123456789', 'Bd': '123456789', 'Di': '123456789',
'Bf': '123456789', 'Id': '123456789', 'Cb': '123456789', 'Gd': '123456789',
'Hc': '123456789', 'Gi': '123456789', 'Ch': '123456789', 'Ee': '123456789',
'Ea': '123456789', 'Ff': '123456789', 'Fg': '123456789', 'Fc': '123456789',
'Bb': '123456789', 'Ie': '123456789', 'If': '123456789', 'Ad': '123456789',
'Eb': '123456789', 'Gb': '123456789', 'Ib': '123456789', 'Cf': '123456789',
'Ef': '123456789', 'Ig': '123456789', 'Dg': '123456789', 'Ah': '123456789',
'Ed': '123456789', 'Fb': '123456789', 'Gc': '123456789', 'Fd': '123456789',
'Bh': '123456789', 'Ce': '123456789', 'Ag': '123456789', 'Dc': '123456789',
'Ii': '123456789', 'Ec': '123456789', 'Ca': '123456789', 'Fh': '123456789',
'Be': '123456789'}
valid_grid_w_1_in_Aa.parse_grid_candidates()
result = valid_grid_w_1_in_Aa.candidates
self.assertEqual(result.keys(), self._all_possible_values.keys())
self.assertTrue(all(result[square] == _expected_candidates[square]
for square in SQUARES))
def test_is_solved_invalid_puzzle(self):
"""tests that calling is_solved() on a solved puzzle returns True
"""
invalid_puzzle_string = '4444448.5.3..........7......2.....6.....8.4......1.......6.3.7.5..2.....1.4......'
unfinished_puzzle = make_grid_from_string(invalid_puzzle_string)
unsolved = unfinished_puzzle.is_solved()
self.assertFalse(unsolved)
def test_is_solved_empty_puzzle(self):
"""tests that calling is_solved() on a solved puzzle returns True
"""
empty_puzzle_string = '.................................................................................'
empty_puzzle = make_grid_from_string(empty_puzzle_string)
unsolved = empty_puzzle.is_solved()
self.assertFalse(unsolved)
def test_PuzzleSolver_object(self):
"""tests if a PuzzleSolver object is created
"""
puzzle_string = '4.....8.5.3..........7......2.....6.....8.4......1.......6.3.7.5..2.....1.4......'
puzzle = make_grid_from_string(puzzle_string)
puzzle_clone = puzzle.clone()
solver = PuzzleSolver(puzzle_clone)
self.assertIsInstance(solver, PuzzleSolver)
def _run_random_data_against_expected(self, data, num_tests):
"""de-duplicate the testing code"""
for idx in self.picked_tests:
if idx >= num_tests:
continue
else:
puzzle = make_grid_from_string(data[idx])
result = puzzle.is_valid()
self.assertTrue(result)
def _make_and_solve_puzzle(self, puzzle_string):
"""
takes a string makes a puzzle, and clones it
:return: PuzzleSolver from that cloned puzzle
"""
puzzle = make_grid_from_string(puzzle_string)
puzzle_clone = puzzle.clone()
puzzle_solver = PuzzleSolver(puzzle_clone)
puzzle_solver.solve()
return puzzle_solver
def _apply_solve(puzzle_string):
"""
:return: a tuple containing
the result of the solve() on the provided string,
and a repr of the "solved" puzzle
"""
grid = make_grid_from_string(puzzle_string)
grid.parse_grid_candidates()
solver = PuzzleSolver(grid.clone())
result = solver.solve()
return result
def _apply_eliminate_propagate_fill(puzzle_string):
"""
:return: a tuple containing
the result of eliminate_propagate_fill() on the provided string,
and a repr of the "solved" puzzle
"""
grid = make_grid_from_string(puzzle_string)
grid.parse_grid_candidates()
solver = PuzzleSolver(grid.clone())
result = solver.eliminate_propagate_fill()
return result, repr(solver._puzzle)
def test_grid_instance_factory_from_string_block(self):
my_string1 = """
400000805
030000000
000700000
020000060
000080400
000010000
000603070
500200000
104000000"""
grid1_from_string = make_grid_from_string(my_string1)
self.assertIsInstance(grid1_from_string, Puzzle)
def setUp(self):
grid_string_0 = '4.....8.5.3..........7......2.....6.....8.4......1.......6.3.7.5..2.....1.4......'
self.grid_0 = make_grid_from_string(grid_string_0)
self.grid_0.parse_grid_candidates()
grid_string_1 = '1...895..5....7819........72.4..8.7.9.71.54.8.8.7..3.531.4..78.4682....3..985...1'
self.grid_1 = make_grid_from_string(grid_string_1)
self.grid_1.parse_grid_candidates()
grid_string_2 = '003020600900305001001806400008102900700000008006708200002609500800203009005010300'
self.grid_2 = make_grid_from_string(grid_string_2)
self.grid_2.parse_grid_candidates()
grid_string_3 = '.82...59....8.1..3..52...78...37842...........27945...91...68..2..7.9....73...95.'
self.grid_3 = make_grid_from_string(grid_string_3)
self.grid_3.parse_grid_candidates()
grid_string_4 = '437...189.6.183.......9.536.73..1...9..4.7..1...5..69.124.7.......645.1.356...974'
self.grid_4 = make_grid_from_string(grid_string_4)
self.grid_4.parse_grid_candidates()
# Not so hard - no search needed
self.g3 = '003020600900305001001806400008102900700000008006708200002609500800203009005010300'
self.s3 = '483921657967345821251876493548132976729564138136798245372689514814253769695417382'
self.ps3 = self._make_and_solve_puzzle(self.s3)
self.g4 = '.82...59....8.1..3..52...78...37842...........27945...91...68..2..7.9....73...95.'
self.s4 = '382467591796851243145293678561378429439612785827945316914526837258739164673184952'
self.ps4 = self._make_and_solve_puzzle(self.s4)
self.g5 = '437...189.6.183.......9.536.73..1...9..4.7..1...5..69.124.7.......645.1.356...974'
self.s5 = '437256189569183742812794536673921458985467321241538697124379865798645213356812974'
self.ps5 = self._make_and_solve_puzzle(self.s5)
self.gEmpty = '.................................................................................'
self.sEmpty = '.................................................................................'
self.psEmpty = self._make_and_solve_puzzle(self.sEmpty)
def test_grid_instance_factory_from_string_formatted(self):
my_string2 = """
4 . . |. . . |8 . 5
. 3 . |. . . |. . .
. . . |7 . . |. . .
------+------+------
. 2 . |. . . |. 6 .
. . . |. 8 . |4 . .
. . . |. 1 . |. . .
------+------+------
. . . |6 . 3 |. 7 .
5 . . |2 . . |. . .
1 . 4 |. . . |. . .
"""
grid2_from_string = make_grid_from_string(my_string2)
self.assertIsInstance(grid2_from_string, Puzzle)
def test_eliminate_candidates_grid_solved(self):
"""tests that eliminate candidates does not change the state of an empty puzzle
"""
grid_string = '437256189569183742812794536673921458985467321241538697124379865798645213356812974'
grid = make_grid_from_string(grid_string)
grid.parse_grid_candidates()
solver = PuzzleSolver(grid.clone())
pre_candidates = """ a b c d e f g h i \n\
--------------------------------- --------------------------------- --------------------------------- \n\
A | ...4..... ..3...... ......7.. | .2....... ....5.... .....6... | 1........ .......8. ........9 |\n\
B | ....5.... .....6... ........9 | 1........ .......8. ..3...... | ......7.. ...4..... .2....... |\n\
C | .......8. 1........ .2....... | ......7.. ........9 ...4..... | ....5.... ..3...... .....6... |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
D | .....6... ......7.. ..3...... | ........9 .2....... 1........ | ...4..... ....5.... .......8. |\n\
E | ........9 .......8. ....5.... | ...4..... .....6... ......7.. | ..3...... .2....... 1........ |\n\
F | .2....... ...4..... 1........ | ....5.... ..3...... .......8. | .....6... ........9 ......7.. |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
G | 1........ .2....... ...4..... | ..3...... ......7.. ........9 | .......8. .....6... ....5.... |\n\
H | ......7.. ........9 .......8. | .....6... ...4..... ....5.... | .2....... 1........ ..3...... |\n\
I | ..3...... ....5.... .....6... | .......8. 1........ .2....... | ........9 ......7.. ...4..... |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
"""
self.assertEqual(str(solver._puzzle), pre_candidates)
solver.eliminate_candidates()
post_candidates = """ a b c d e f g h i \n\
--------------------------------- --------------------------------- --------------------------------- \n\
A | ...4..... ..3...... ......7.. | .2....... ....5.... .....6... | 1........ .......8. ........9 |\n\
B | ....5.... .....6... ........9 | 1........ .......8. ..3...... | ......7.. ...4..... .2....... |\n\
C | .......8. 1........ .2....... | ......7.. ........9 ...4..... | ....5.... ..3...... .....6... |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
D | .....6... ......7.. ..3...... | ........9 .2....... 1........ | ...4..... ....5.... .......8. |\n\
E | ........9 .......8. ....5.... | ...4..... .....6... ......7.. | ..3...... .2....... 1........ |\n\
F | .2....... ...4..... 1........ | ....5.... ..3...... .......8. | .....6... ........9 ......7.. |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
G | 1........ .2....... ...4..... | ..3...... ......7.. ........9 | .......8. .....6... ....5.... |\n\
H | ......7.. ........9 .......8. | .....6... ...4..... ....5.... | .2....... 1........ ..3...... |\n\
I | ..3...... ....5.... .....6... | .......8. 1........ .2....... | ........9 ......7.. ...4..... |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
"""
self.assertEqual(str(solver._puzzle), post_candidates)
def test_eliminate_candidates_grid_empty(self):
"""tests that eliminate candidates does not change the state of an empty puzzle
"""
grid_string = '.................................................................................'
grid = make_grid_from_string(grid_string)
grid.parse_grid_candidates()
solver = PuzzleSolver(grid.clone())
pre_candidates = """ a b c d e f g h i \n\
--------------------------------- --------------------------------- --------------------------------- \n\
A | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
B | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
C | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
D | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
E | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
F | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
G | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
H | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
I | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
"""
self.assertEqual(str(solver._puzzle), pre_candidates)
solver.eliminate_candidates()
post_candidates = """ a b c d e f g h i \n\
--------------------------------- --------------------------------- --------------------------------- \n\
A | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
B | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
C | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
D | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
E | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
F | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
G | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
H | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
I | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
"""
self.assertEqual(str(solver._puzzle), post_candidates)
def test_prppagate_full(self):
"""tests that propagation on an empty puzzle does not change the state
"""
grid_string = '437256189569183742812794536673921458985467321241538697124379865798645213356812974'
grid = make_grid_from_string(grid_string)
grid.get_puzzle_str()
grid.parse_grid_candidates()
solver = PuzzleSolver(grid.clone())
pre_puzzle = """ a b c d e f g h i
A 4 3 7|2 5 6|1 8 9
B 5 6 9|1 8 3|7 4 2
C 8 1 2|7 9 4|5 3 6
-----+-----+-----
D 6 7 3|9 2 1|4 5 8
E 9 8 5|4 6 7|3 2 1
F 2 4 1|5 3 8|6 9 7
-----+-----+-----
G 1 2 4|3 7 9|8 6 5
H 7 9 8|6 4 5|2 1 3
I 3 5 6|8 1 2|9 7 4
"""
pre_candidates = """ a b c d e f g h i \n\
--------------------------------- --------------------------------- --------------------------------- \n\
A | ...4..... ..3...... ......7.. | .2....... ....5.... .....6... | 1........ .......8. ........9 |\n\
B | ....5.... .....6... ........9 | 1........ .......8. ..3...... | ......7.. ...4..... .2....... |\n\
C | .......8. 1........ .2....... | ......7.. ........9 ...4..... | ....5.... ..3...... .....6... |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
D | .....6... ......7.. ..3...... | ........9 .2....... 1........ | ...4..... ....5.... .......8. |\n\
E | ........9 .......8. ....5.... | ...4..... .....6... ......7.. | ..3...... .2....... 1........ |\n\
F | .2....... ...4..... 1........ | ....5.... ..3...... .......8. | .....6... ........9 ......7.. |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
G | 1........ .2....... ...4..... | ..3...... ......7.. ........9 | .......8. .....6... ....5.... |\n\
H | ......7.. ........9 .......8. | .....6... ...4..... ....5.... | .2....... 1........ ..3...... |\n\
I | ..3...... ....5.... .....6... | .......8. 1........ .2....... | ........9 ......7.. ...4..... |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
"""
self.assertEqual(str(solver._puzzle), pre_candidates)
self.assertEqual(solver._puzzle.get_puzzle_str(), pre_puzzle)
solver.propagate()
post_puzzle = """ a b c d e f g h i
A 4 3 7|2 5 6|1 8 9
B 5 6 9|1 8 3|7 4 2
C 8 1 2|7 9 4|5 3 6
-----+-----+-----
D 6 7 3|9 2 1|4 5 8
E 9 8 5|4 6 7|3 2 1
F 2 4 1|5 3 8|6 9 7
-----+-----+-----
G 1 2 4|3 7 9|8 6 5
H 7 9 8|6 4 5|2 1 3
I 3 5 6|8 1 2|9 7 4
"""
post_candidates = """ a b c d e f g h i \n\
--------------------------------- --------------------------------- --------------------------------- \n\
A | ...4..... ..3...... ......7.. | .2....... ....5.... .....6... | 1........ .......8. ........9 |\n\
B | ....5.... .....6... ........9 | 1........ .......8. ..3...... | ......7.. ...4..... .2....... |\n\
C | .......8. 1........ .2....... | ......7.. ........9 ...4..... | ....5.... ..3...... .....6... |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
D | .....6... ......7.. ..3...... | ........9 .2....... 1........ | ...4..... ....5.... .......8. |\n\
E | ........9 .......8. ....5.... | ...4..... .....6... ......7.. | ..3...... .2....... 1........ |\n\
F | .2....... ...4..... 1........ | ....5.... ..3...... .......8. | .....6... ........9 ......7.. |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
G | 1........ .2....... ...4..... | ..3...... ......7.. ........9 | .......8. .....6... ....5.... |\n\
H | ......7.. ........9 .......8. | .....6... ...4..... ....5.... | .2....... 1........ ..3...... |\n\
I | ..3...... ....5.... .....6... | .......8. 1........ .2....... | ........9 ......7.. ...4..... |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
"""
self.assertEqual(str(solver._puzzle), post_candidates)
self.assertEqual(solver._puzzle.get_puzzle_str(), post_puzzle)
def test_prppagate_empty(self):
"""tests that propagation on an empty puzzle does not change the state
"""
grid_string = '.................................................................................'
grid = make_grid_from_string(grid_string)
grid.parse_grid_candidates()
solver = PuzzleSolver(grid.clone())
pre_puzzle = """ a b c d e f g h i
A . . .|. . .|. . .
B . . .|. . .|. . .
C . . .|. . .|. . .
-----+-----+-----
D . . .|. . .|. . .
E . . .|. . .|. . .
F . . .|. . .|. . .
-----+-----+-----
G . . .|. . .|. . .
H . . .|. . .|. . .
I . . .|. . .|. . .
"""
pre_candidates = """ a b c d e f g h i \n\
--------------------------------- --------------------------------- --------------------------------- \n\
A | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
B | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
C | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
D | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
E | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
F | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
G | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
H | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
I | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
"""
self.assertEqual(str(solver._puzzle), pre_candidates)
self.assertEqual(solver._puzzle.get_puzzle_str(), pre_puzzle)
solver.propagate()
post_puzzle = """ a b c d e f g h i
A . . .|. . .|. . .
B . . .|. . .|. . .
C . . .|. . .|. . .
-----+-----+-----
D . . .|. . .|. . .
E . . .|. . .|. . .
F . . .|. . .|. . .
-----+-----+-----
G . . .|. . .|. . .
H . . .|. . .|. . .
I . . .|. . .|. . .
"""
post_candidates = """ a b c d e f g h i \n\
--------------------------------- --------------------------------- --------------------------------- \n\
A | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
B | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
C | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
D | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
E | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
F | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
G | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
H | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
I | 123456789 123456789 123456789 | 123456789 123456789 123456789 | 123456789 123456789 123456789 |\n\
--------------------------------- --------------------------------- --------------------------------- \n\
"""
self.assertEqual(str(solver._puzzle), post_candidates)
self.assertEqual(solver._puzzle.get_puzzle_str(), post_puzzle)
def test_grid_instance_factory_from_string1(self):
my_string0 = '4.... /.8.5.3..## :; ...slskfj.....7......2.....6.....8.4......1.......6.3.7.5..2.....1.4......'
grid0_from_string = make_grid_from_string(my_string0)
self.assertIsInstance(grid0_from_string, Puzzle)
