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test.py
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executable file
·226 lines (170 loc) · 5.36 KB
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#!/usr/bin/env python3
"""tests for tictactoe.py"""
from subprocess import getstatusoutput, getoutput
import os
import random
import re
import string
prg = './tictactoe.py'
# --------------------------------------------------
def test_exists():
"""exists"""
assert os.path.isfile(prg)
# --------------------------------------------------
def test_usage():
"""usage"""
for flag in ['-h', '--help']:
rv, out = getstatusoutput(f'{prg} {flag}')
assert rv == 0
assert out.lower().startswith('usage')
# --------------------------------------------------
def test_no_input():
"""makes board on no input"""
board = """
-------------
| 1 | 2 | 3 |
-------------
| 4 | 5 | 6 |
-------------
| 7 | 8 | 9 |
-------------
No winner.
""".strip()
rv, out = getstatusoutput(prg)
assert rv == 0
assert out.strip() == board
# --------------------------------------------------
def test_bad_board():
"""dies on bad board"""
expected = '--board "{}" must be 9 characters of ., X, O'
for bad in ['ABC', '...XXX', 'XXXOOOXX']:
rv, out = getstatusoutput(f'{prg} --board {bad}')
assert rv != 0
assert re.search(expected.format(bad), out)
# --------------------------------------------------
def test_bad_player():
"""dies on bad player"""
bad = random.choice([c for c in string.ascii_uppercase if c not in 'XO'])
rv, out = getstatusoutput(f'{prg} -p {bad}')
assert rv != 0
expected = f"-p/--player: invalid choice: '{bad}'"
assert re.search(expected, out)
# --------------------------------------------------
def test_bad_cell_int():
"""dies on bad cell"""
for bad in [0, 10]:
rv, out = getstatusoutput(f'{prg} --cell {bad}')
assert rv != 0
assert re.search(f'-c/--cell: invalid choice: {bad}', out)
# --------------------------------------------------
def test_bad_cell_str():
"""dies on bad cell string value"""
bad = random.choice(string.ascii_letters)
rv, out = getstatusoutput(f'{prg} --cell {bad}')
assert rv != 0
assert re.search(f"-c/--cell: invalid int value: '{bad}'", out, re.I)
# --------------------------------------------------
def test_both_player_and_cell():
"""test for both --player and --cell"""
player = random.choice('XO')
rv, out = getstatusoutput(f'{prg} --player {player}')
assert rv != 0
assert re.search('Must provide both --player and --cell', out)
# --------------------------------------------------
def test_good_board_01():
"""makes board on good input"""
board = """
-------------
| 1 | 2 | 3 |
-------------
| 4 | 5 | 6 |
-------------
| 7 | 8 | 9 |
-------------
No winner.
""".strip()
rv, out = getstatusoutput(f'{prg} -b .........')
assert rv == 0
assert out.strip() == board
# --------------------------------------------------
def test_good_board_02():
"""makes board on good input"""
board = """
-------------
| 1 | 2 | 3 |
-------------
| O | X | X |
-------------
| 7 | 8 | 9 |
-------------
No winner.
""".strip()
rv, out = getstatusoutput(f'{prg} --board ...OXX...')
assert rv == 0
assert out.strip() == board
# --------------------------------------------------
def test_mutate_board_01():
"""mutates board on good input"""
board = """
-------------
| X | 2 | 3 |
-------------
| 4 | 5 | 6 |
-------------
| 7 | 8 | 9 |
-------------
No winner.
""".strip()
rv, out = getstatusoutput(f'{prg} -b ......... --player X -c 1')
assert rv == 0
assert out.strip() == board
# --------------------------------------------------
def test_mutate_board_02():
"""mutates board on good input"""
board = """
-------------
| X | X | O |
-------------
| 4 | O | 6 |
-------------
| O | O | X |
-------------
O has won!
""".strip()
rv, out = getstatusoutput(f'{prg} --board XXO...OOX --p O -c 5')
assert rv == 0
assert out.strip() == board
# --------------------------------------------------
def test_mutate_cell_taken():
"""test for a cell already taken"""
rv1, out1 = getstatusoutput(f'{prg} -b XXO...OOX --player X --cell 9')
assert rv1 != 0
assert re.search('--cell "9" already taken', out1)
rv2, out2 = getstatusoutput(f'{prg} --board XXO...OOX --p O -c 1')
assert rv2 != 0
assert re.search('--cell "1" already taken', out2)
# --------------------------------------------------
def test_winning():
"""test winning boards"""
wins = [('PPP......'), ('...PPP...'), ('......PPP'), ('P..P..P..'),
('.P..P..P.'), ('..P..P..P'), ('P...P...P'), ('..P.P.P..')]
for player in 'XO':
other_player = 'O' if player == 'X' else 'X'
for board in wins:
board = board.replace('P', player)
dots = [i for i in range(len(board)) if board[i] == '.']
mut = random.sample(dots, k=2)
test_board = ''.join([
other_player if i in mut else board[i]
for i in range(len(board))
])
out = getoutput(f'{prg} -b {test_board}').splitlines()
assert out[-1].strip() == f'{player} has won!'
# --------------------------------------------------
def test_losing():
"""test losing boards"""
losing_board = list('XXOO.....')
for i in range(10):
random.shuffle(losing_board)
out = getoutput(f'{prg} -b {"".join(losing_board)}').splitlines()
assert out[-1].strip() == 'No winner.'