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#!/usr/bin/env python3

"""tests for wod.py"""

import os

import random

import re

import string

from subprocess import getstatusoutput

prg = './wod.py'

input1 = 'inputs/exercises.csv'

input2 = 'inputs/silly-exercises.csv'

# --------------------------------------------------

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_bad_num():

"""Dies on bad --num"""

bad = random.choice(range(-10, 0))

rv, out = getstatusoutput(f'{prg} -n {bad}')

assert rv != 0

assert re.search(f'--num "{bad}" must be greater than 0', out)

# --------------------------------------------------

def test_bad_file():

"""Dies on bad file"""

bad = random_string()

rv, out = getstatusoutput(f'{prg} -f {bad}')

assert rv != 0

assert re.search(f"No such file or directory: '{bad}'", out)

# --------------------------------------------------

def test_seed1():

"""Runs OK"""

expected = """

Exercise Reps

---------- ------

Pushups 56

Situps 88

Crunches 27

Burpees 35

"""

seed_flag = '-s' if random.choice([0, 1]) else '--seed'

rv, out = getstatusoutput(f'{prg} {seed_flag} 1')

assert rv == 0

assert out.strip() == expected.strip()

# --------------------------------------------------

def test_seed1_easy():

"""Runs OK"""

expected = """

Exercise Reps

---------- ------

Pushups 28

Situps 44

Crunches 13

Burpees 17

"""

seed_flag = '-s' if random.choice([0, 1]) else '--seed'

easy_flag = '-e' if random.choice([0, 1]) else '--easy'

rv, out = getstatusoutput(f'{prg} {easy_flag} {seed_flag} 1')

assert rv == 0

assert out.strip() == expected.strip()

# --------------------------------------------------

def test_seed2_num8():

"""Runs OK"""

expected = """

Exercise Reps

------------------ ------

Burpees 39

Situps 42

Crunches 29

Pushups 68

Plank 35

Hand-stand pushups 18

Pullups 30

Lunges 32

"""

seed_flag = '-s' if random.choice([0, 1]) else '--seed'

num_flag = '-n' if random.choice([0, 1]) else '--num'

cmd = f'{prg} {num_flag} 8 {seed_flag} 2 -f {input1}'

rv, out = getstatusoutput(cmd)

assert rv == 0

assert out.strip() == expected.strip()

# --------------------------------------------------

def test_seed4_num3_input2():

"""Runs OK"""

expected = """

Exercise Reps

----------------- ------

Hanging Chads 86

Red Barchettas 50

Squatting Chinups 35

"""

seed_flag = '-s' if random.choice([0, 1]) else '--seed'

num_flag = '-n' if random.choice([0, 1]) else '--num'

rv, out = getstatusoutput(f'{prg} {num_flag} 3 {seed_flag} 4 -f {input2}')

assert rv == 0

assert out.strip() == expected.strip()

# --------------------------------------------------

def random_string():

"""generate a random string"""

k = random.randint(5, 10)

return ''.join(random.choices(string.ascii_letters + string.digits, k=k))