mirror of
https://github.com/LazoCoder/Pokemon-Terminal
synced 2024-11-26 13:50:18 +00:00
79 lines
3 KiB
Python
79 lines
3 KiB
Python
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#!/usr/bin/env python3
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# To run the tests, use: python3 -m pytest --capture=sys
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"""These are general utilities for testing Pokemon Terminal. The data and
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functions in this file can be used by other `test_*.py` scripts but they
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should not be imported into or copied into normal scripts in the project.
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This approach will help us to steer clear of assumption bias and avoid
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shared code between dev and test."""
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import os
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from collections import Counter, namedtuple
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MAX_ID = 493
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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region_info = namedtuple('region_info', 'start end first last')
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region_dict = {
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'kanto': region_info(1, 151, 'Bulbasaur', 'Mew'),
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'johto': region_info(152, 251, 'Chikorita', 'Celebi'),
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'hoenn': region_info(252, 386, 'Treecko', 'Deoxys'),
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'sinnoh': region_info(387, 493, 'Turtwig', 'Arceus'),
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}
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# From: https://en.wikipedia.org/wiki/Pok%C3%A9mon#Generation_1
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_counts = {'kanto': 151, 'johto': 100, 'hoenn': 135, 'sinnoh': 107, 'all': 493}
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def expected_len(region_name):
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"""Utility function for knowing the standard pokemon population."""
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if region_name == 'all':
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return MAX_ID
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elif region_name == 'extra':
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return sum(make_extra_counts().values()) # 24
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region_info = region_dict[region_name]
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return region_info.end - region_info.start + 1
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def test_region_dict():
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"""Test if region_dict counts match wikipedia."""
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assert _counts['all'] == MAX_ID == sum(_counts.values()) // 2
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for region_name in region_dict:
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assert _counts[region_name] == expected_len(region_name)
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# print('{}: {}'.format(region_name, counts[region_name]))
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def get_region(db, region_name):
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"""Database unfortunately makes db.__get_region() private :-("""
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func = {
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'kanto': db.get_kanto,
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'johto': db.get_johto,
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'hoenn': db.get_hoenn,
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'sinnoh': db.get_sinnoh,
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'extra': db.get_extra,
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'all': db.get_all
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}[region_name]
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return func()
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def _pokemon_id_to_region(pokemon_id):
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"""Rewrite of Database.__determine_region() avoids sharing implementations
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between production code and test code."""
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for region_name, region_info in region_dict.items():
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if region_info.start <= pokemon_id <= region_info.end:
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return region_name
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assert False, '{} is an invalid region'.format(pokemon_id)
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def make_extra_counts(filename='pokemon.txt'):
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"""Test that correct regions are used in load_all_pokemon.load_extras().
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Currently generates the dict: {'sinnoh': 14, 'hoenn': 9, 'johto': 1}"""
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with open(os.path.join(SCRIPT_DIR, 'Data', filename)) as in_file:
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pokemon_names = tuple([line.split()[0] for line in in_file])
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filenames = os.listdir(os.path.join(SCRIPT_DIR, 'Images', 'Extra'))
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father_names = (filename.split('-')[0] for filename in filenames)
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father_ids = (pokemon_names.index(name) for name in father_names)
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father_regions = (_pokemon_id_to_region(id) for id in father_ids)
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return dict(Counter(father_regions))
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