coqui-tts/tests/loader_tests.py

56 lines
1.9 KiB
Python

import os
import unittest
import numpy as np
from torch.utils.data import DataLoader
from TTS.utils.generic_utils import load_config
from TTS.datasets.LJSpeech import LJSpeechDataset
file_path = os.path.dirname(os.path.realpath(__file__))
c = load_config(os.path.join(file_path, 'test_config.json'))
class TestDataset(unittest.TestCase):
def __init__(self, *args, **kwargs):
super(TestDataset, self).__init__(*args, **kwargs)
self.max_loader_iter = 4
def test_loader(self):
dataset = LJSpeechDataset(os.path.join(c.data_path, 'metadata.csv'),
os.path.join(c.data_path, 'wavs'),
c.r,
c.sample_rate,
c.text_cleaner,
c.num_mels,
c.min_level_db,
c.frame_shift_ms,
c.frame_length_ms,
c.preemphasis,
c.ref_level_db,
c.num_freq,
c.power
)
dataloader = DataLoader(dataset, batch_size=c.batch_size,
shuffle=True, collate_fn=dataset.collate_fn,
drop_last=True, num_workers=c.num_loader_workers)
for i, data in enumerate(dataloader):
if i == self.max_loader_iter:
break
text_input = data[0]
text_lengths = data[1]
print(text_lengths)
magnitude_input = data[2]
mel_input = data[3]
neg_values = text_input[text_input < 0]
check_count = len(neg_values)
assert check_count == 0, \
" !! Negative values in text_input: {}".format(check_count)