Spaces:
Runtime error
Runtime error
File size: 2,916 Bytes
ee21b96 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 |
# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
import logging
import unittest
from typing import Sequence
from fairseq.data import LanguagePairDataset, ListDataset, RoundRobinZipDatasets
from tests.test_train import mock_dict
def lang_pair_dataset(lengths: Sequence[int]) -> LanguagePairDataset:
tokens = [[i] * l for i, l in enumerate(lengths)]
return LanguagePairDataset(ListDataset(tokens), lengths, mock_dict())
def sample(id: int, length: int):
return {"id": id, "source": [id] * length, "target": None}
class TestDataset(unittest.TestCase):
def setUp(self):
logging.disable(logging.CRITICAL)
def tearDown(self):
logging.disable(logging.NOTSET)
def test_round_robin_zip_datasets(self):
long_dataset = lang_pair_dataset([10, 9, 8, 11])
short_dataset = lang_pair_dataset([11, 9])
dataset = RoundRobinZipDatasets({"a": long_dataset, "b": short_dataset})
# Dataset is now sorted by sentence length
dataset.ordered_indices()
assert dataset.longest_dataset is long_dataset
self.assertEqual(dict(dataset[0]), {"a": sample(2, 8), "b": sample(1, 9)})
# The item 2 of dataset 'a' is with item (2 % 2 = 0) of dataset 'b'
self.assertEqual(dict(dataset[2]), {"a": sample(0, 10), "b": sample(1, 9)})
def test_round_robin_zip_datasets_filtered(self):
long_dataset = lang_pair_dataset([10, 20, 8, 11, 1000, 7, 12])
short_dataset = lang_pair_dataset([11, 20, 9, 1000])
dataset = RoundRobinZipDatasets({"a": long_dataset, "b": short_dataset})
# Dataset is now sorted by sentence length
idx = dataset.ordered_indices()
idx, _ = dataset.filter_indices_by_size(idx, {"a": 19, "b": 900})
self.assertEqual(list(idx), [0, 1, 2, 3, 4])
self.assertEqual(dict(dataset[0]), {"a": sample(5, 7), "b": sample(2, 9)})
self.assertEqual(dict(dataset[2]), {"a": sample(0, 10), "b": sample(1, 20)})
self.assertEqual(dict(dataset[4]), {"a": sample(6, 12), "b": sample(0, 11)})
def test_round_robin_zip_datasets_filtered_with_tuple(self):
long_dataset = lang_pair_dataset([10, 20, 8, 11, 1000, 7, 12])
short_dataset = lang_pair_dataset([11, 20, 9, 1000])
dataset = RoundRobinZipDatasets({"a": long_dataset, "b": short_dataset})
# Dataset is now sorted by sentence length
idx = dataset.ordered_indices()
idx, _ = dataset.filter_indices_by_size(idx, 19)
self.assertEqual(list(idx), [0, 1, 2, 3, 4])
self.assertEqual(dict(dataset[0]), {"a": sample(5, 7), "b": sample(2, 9)})
self.assertEqual(dict(dataset[2]), {"a": sample(0, 10), "b": sample(2, 9)})
self.assertEqual(dict(dataset[4]), {"a": sample(6, 12), "b": sample(2, 9)})
|