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import screed
from screed.DBConstants import fileExtension
import os
from . import screed_tst_utils as utils
import shutil
class nostring:
def __str__(self):
return ""
def __repr__(self):
return ""
class test_comparisons():
def setup_method(self):
self._testfile = utils.get_temp_filename('test.fa')
shutil.copy(utils.get_test_data('test.fa'), self._testfile)
screed.read_fasta_sequences(self._testfile)
self._db = screed.ScreedDB(self._testfile)
self._ns = nostring()
def test_eq(self):
for k in self._db:
record = self._db.get(k)
res = (record.sequence == self._ns)
assert res is False, res
def test_neq(self):
for k in self._db:
record = self._db.get(k)
res = (record.sequence != self._ns)
assert res is True, res
def test_comp_greateq(self):
for k in self._db:
record = self._db.get(k)
res = (record.sequence >= self._ns)
assert res is True, res
def test_comp_lesseq(self):
for k in self._db:
record = self._db.get(k)
res = (record.sequence <= self._ns)
assert res is False, res
def test_comp_less(self):
for k in self._db:
record = self._db.get(k)
res = (record.sequence < self._ns)
assert res is False, res
def test_comp_great(self):
for k in self._db:
record = self._db.get(k)
res = (record.sequence > self._ns)
assert res is True, res
def teardown(self):
os.unlink(self._testfile + fileExtension)
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