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import os
import pytest
from pyfaidx import Faidx
path = os.path.dirname(__file__)
os.chdir(path)
@pytest.fixture
def remove_index():
yield
try:
os.remove('data/genes.fasta.fai')
except EnvironmentError:
pass # some tests may delete this file
def test_fetch_border_padded(remove_index):
""" Fetch past the end of a gene entry """
faidx = Faidx('data/genes.fasta', default_seq='N')
expect = 'TCNNNNNNNNNNNNNNNNNNN'
result = faidx.fetch('gi|557361099|gb|KF435150.1|',
480, 500)
assert str(result) == expect
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