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tja2fumen/testing/test_conversion.py

231 lines
12 KiB
Python

import os
import shutil
import zipfile
import re
import glob
import pytest
from tja2fumen import main as convert
from tja2fumen.parsers import read_fumen
from tja2fumen.constants import COURSE_IDS, NORMALIZE_COURSE
@pytest.mark.parametrize('id_song', [
pytest.param('butou5'),
pytest.param('shoto9',
marks=pytest.mark.skip("TJA measures do not match fumen.")),
pytest.param('genpe'),
pytest.param('gimcho'),
pytest.param('imcanz'),
pytest.param('clsca'),
pytest.param('linda'),
pytest.param('senpac'),
pytest.param('hol6po'),
pytest.param('mikdp'),
pytest.param('ia6cho'),
])
def test_converted_tja_vs_cached_fumen(id_song, tmp_path, entry_point):
# Define the testing directory
path_test = os.path.dirname(os.path.realpath(__file__))
# Define the working directory
path_temp = os.path.join(tmp_path, id_song)
os.mkdir(path_temp)
# Copy input TJA to working directory
path_tja = os.path.join(path_test, "data", f"{id_song}.tja")
path_tja_tmp = os.path.join(path_temp, f"{id_song}.tja")
shutil.copy(path_tja, path_tja_tmp)
# Convert TJA file to fumen files
if entry_point == "python-api":
convert(argv=[path_tja_tmp])
elif entry_point == "python-cli":
os.system(f"tja2fumen {path_tja_tmp}")
elif entry_point == "exe":
exe_path = glob.glob(os.path.join(os.path.split(path_test)[0],
"dist", "*.exe"))[0]
os.system(f"{exe_path} {path_tja_tmp}")
# Fetch output fumen paths
paths_out = glob.glob(os.path.join(path_temp, "*.bin"))
assert paths_out, f"No bin files generated in {path_temp}"
order = "xmhne" # Ura Oni -> Oni -> Hard -> Normal -> Easy
paths_out = sorted(paths_out, key=lambda s: [order.index(c) if c in order
else len(order) for c in s])
# Extract cached fumen files to working directory
path_binzip = os.path.join(path_test, "data", f"{id_song}.zip")
path_bin = os.path.join(path_temp, "ca_bins")
with zipfile.ZipFile(path_binzip, 'r') as zip_ref:
zip_ref.extractall(path_bin)
# Compare cached fumen with generated fumen
for path_out in paths_out:
# Difficulty introspection to help with debugging
i_difficult_id = os.path.basename(path_out).split(".")[0].split("_")[1]
i_difficulty = NORMALIZE_COURSE[{v: k for k, v in # noqa F841
COURSE_IDS.items()}[i_difficult_id]] # noqa
# 0. Read fumen data (converted vs. cached)
path_out_fumen = os.path.join(path_bin, os.path.basename(path_out))
co_song = read_fumen(path_out, exclude_empty_measures=True)
ca_song = read_fumen(path_out_fumen, exclude_empty_measures=True)
# 1. Check song headers
checkValidHeader(co_song.header)
checkValidHeader(ca_song.header)
for header_property in ['order',
'b432_b435_has_branches',
'b436_b439_hp_max',
'b440_b443_hp_clear',
'b444_b447_hp_gain_good',
'b448_b451_hp_gain_ok',
'b452_b455_hp_loss_bad',
'b456_b459_normal_normal_ratio',
'b460_b463_normal_professional_ratio',
'b464_b467_normal_master_ratio']:
check(co_song.header, ca_song.header, header_property, abs=1)
# NB: KAGEKIYO's branching condition is very unique (BIG only), which
# cannot be expressed in a TJA file. So, we skip checking the
# `branch_point` header values for KAGEKIYO.
if id_song != 'genpe':
for header_property in ['b468_b471_branch_points_good',
'b472_b475_branch_points_ok',
'b476_b479_branch_points_bad',
'b480_b483_branch_points_drumroll',
'b484_b487_branch_points_good_big',
'b488_b491_branch_points_ok_big',
'b492_b495_branch_points_drumroll_big',
'b496_b499_branch_points_balloon',
'b500_b503_branch_points_kusudama']:
check(co_song.header, ca_song.header, header_property)
# 2. Check song metadata
check(co_song, ca_song, 'score_init')
check(co_song, ca_song, 'score_diff')
# 3. Check measure data
for i_measure in range(max([len(co_song.measures),
len(ca_song.measures)])):
# NB: We could assert that len(measures) is the same for both
# songs, then iterate through zipped measures. But, if there is a
# mismatched number of measures, we want to know _where_ it
# occurs. So, we let the comparison go on using the max length of
# both songs until something else fails.
co_measure = co_song.measures[i_measure]
ca_measure = ca_song.measures[i_measure]
# 3a. Check measure metadata
check(co_measure, ca_measure, 'bpm', i_measure, abs=0.01)
check(co_measure, ca_measure, 'offset_start', i_measure, abs=0.15)
check(co_measure, ca_measure, 'gogo', i_measure)
check(co_measure, ca_measure, 'barline', i_measure)
# NB: KAGEKIYO's fumen has some strange details that can't be
# replicated using the TJA charting format. So, for now, we use a
# special case to skip checking:
# A) notes for certain measures and
# B) branchInfo
if id_song == 'genpe':
# A) The 2/4 measures in the Ura of KAGEKIYO's official Ura
# fumen don't match the wikiwiki.jp/TJA charts. In the official
# fumen, the note ms offsets of branches 5/12/17/etc. go _past_
# the duration of the measure. This behavior is impossible to
# represent using the TJA format, so we skip checking notes
# for these measures, since the rest of the measures have
# perfect note ms offsets anyway.
if (i_difficult_id == "x" and
i_measure in [5, 6, 12, 13, 17, 18, 26, 27,
46, 47, 51, 52, 56, 57]):
continue
# B) The branching condition for KAGEKIYO is very strange
# (accuracy for the 7 big notes in the song) So, we only test
# the branchInfo bytes for non-KAGEKIYO songs:
else:
check(co_measure, ca_measure, 'branch_info', i_measure)
# 3b. Check measure notes
for i_branch in ['normal', 'professional', 'master']:
co_branch = co_measure.branches[i_branch]
ca_branch = ca_measure.branches[i_branch]
# NB: We only check speed for non-empty branches, as fumens
# store speed changes even for empty branches.
if co_branch.length != 0:
check(co_branch, ca_branch, 'speed', i_measure, i_branch)
# NB: We could assert that len(notes) is the same for both
# songs, then iterate through zipped notes. But, if there is a
# mismatched number of notes, we want to know _where_ it
# occurs. So, we let the comparison go on using the max length
# of both branches until something else fails.
for i_note in range(max([co_branch.length, ca_branch.length])):
co_note = co_branch.notes[i_note]
ca_note = ca_branch.notes[i_note]
check(co_note, ca_note, 'note_type', i_measure,
i_branch, i_note, func=normalize_type)
check(co_note, ca_note, 'pos', i_measure,
i_branch, i_note, abs=0.1)
# NB: Drumroll duration doesn't always end exactly on a
# beat. Plus, TJA charters often eyeball drumrolls,
# leading them to be often off by a 1/4th/8th/16th/etc.
# These charting errors are fixable, but tedious to do
# when writing tests. So, I've added a try/except so that
# they can be checked locally with a breakpoint when
# adding new songs, but so that fixing every
# duration-related chart error isn't 100% mandatory.
try:
check(co_note, ca_note, 'duration', i_measure,
i_branch, i_note, abs=25.0)
except AssertionError:
pass
if ca_note.note_type not in ["Balloon", "Kusudama"]:
check(co_note, ca_note, 'score_init', i_measure,
i_branch, i_note)
check(co_note, ca_note, 'score_diff', i_measure,
i_branch, i_note)
# NB: 'item' still needs to be implemented:
# https://github.com/vivaria/tja2fumen/issues/17
# check(co_note, ca_note, 'item', i_measure,
# i_branch, i_note)
def check(converted_obj, cached_obj, prop, measure=None,
branch=None, note=None, func=None, abs=None):
# NB: TJA parser/converter uses 0-based indexing, but TJA files use
# 1-based indexing. So, we increment 1 in the error message to more easily
# identify problematic lines in TJA files.
msg_failure = f"'{prop}' mismatch"
msg_failure += f": measure '{measure+1}'" if measure is not None else ""
msg_failure += f", branch '{branch}'" if branch is not None else ""
msg_failure += f", note '{note+1}'" if note is not None else ""
converted_val = converted_obj.__getattribute__(prop)
cached_val = cached_obj.__getattribute__(prop)
if func:
assert func(converted_val) == func(cached_val), msg_failure
elif abs:
assert converted_val == pytest.approx(cached_val, abs=abs), msg_failure
else:
assert converted_val == cached_val, msg_failure
def normalize_type(note_type):
return re.sub(r'[0-9]', '', note_type)
def checkValidHeader(header):
assert len(header.raw_bytes) == 520
assert header.b432_b435_has_branches in [0, 1]
assert header.b436_b439_hp_max == 10000
assert header.b440_b443_hp_clear in [6000, 7000, 8000]
assert 10 <= header.b444_b447_hp_gain_good <= 1020
assert 5 <= header.b448_b451_hp_gain_ok <= 1020
assert -765 <= header.b452_b455_hp_loss_bad <= -20
assert header.b456_b459_normal_normal_ratio <= 65536
assert header.b460_b463_normal_professional_ratio <= 65536
assert header.b464_b467_normal_master_ratio <= 65536
assert header.b468_b471_branch_points_good in [20, 0, 1, 2]
assert header.b472_b475_branch_points_ok in [10, 0, 1]
assert header.b476_b479_branch_points_bad == 0
assert header.b480_b483_branch_points_drumroll in [1, 0]
assert header.b484_b487_branch_points_good_big in [20, 0, 1, 2]
assert header.b488_b491_branch_points_ok_big in [10, 0, 1]
assert header.b492_b495_branch_points_drumroll_big in [1, 0]
assert header.b496_b499_branch_points_balloon in [30, 0, 1]
assert header.b500_b503_branch_points_kusudama in [30, 0]