import pytest
from pathlib import Path

from haystack.utils.preprocessing import convert_files_to_dicts, tika_convert_files_to_dicts
from haystack.utils.cleaning import clean_wiki_text
from haystack.utils.augment_squad import augment_squad
from haystack.utils.squad_data import SquadData

def test_convert_files_to_dicts():
    documents = convert_files_to_dicts(dir_path="samples", clean_func=clean_wiki_text, split_paragraphs=True)
    assert documents and len(documents) > 0


@pytest.mark.tika
def test_tika_convert_files_to_dicts():
    documents = tika_convert_files_to_dicts(dir_path="samples", clean_func=clean_wiki_text, split_paragraphs=True)
    assert documents and len(documents) > 0

def test_squad_augmentation():
    input_ = Path("samples/squad/tiny.json")
    output = Path("samples/squad/tiny_augmented.json")
    glove_path = Path("samples/glove/tiny.txt") # dummy glove file, will not even be use when augmenting tiny.json
    multiplication_factor = 5
    augment_squad("distilbert-base-uncased", "distilbert-base-uncased", input_, output,
                    glove_path, multiplication_factor=multiplication_factor)
    original_squad = SquadData.from_file(input_)
    augmented_squad = SquadData.from_file(output)
    assert original_squad.count(unit="paragraph") == augmented_squad.count(unit="paragraph") * multiplication_factor