def test_read_puzzle():
"""Test we can read data from a valid puzzle file"""
with open('tests/valid_incomplete_9.txt') as inp:
chunksize, puzzle = solver.read_puzzle(inp)
assert chunksize == 3
assert len(puzzle) == 9
assert len(puzzle[0]) == 9
def get_easy_incomplete():
"""Utility to open a valid incomplete puzzle file that has one empty cell"""
with open('tests/easy_incomplete_9.txt') as inp:
return solver.read_puzzle(inp)
def get_invalid_incomplete():
"""Utility to open an invalid incomplete puzzle file"""
with open('tests/invalid_incomplete_9.txt') as inp:
return solver.read_puzzle(inp)
def test_read_malformed_puzzle():
"""Ensure puzzle file with an error doens't work"""
with open('tests/missing_row_9.txt') as inp:
solver.read_puzzle(inp)