def test_minbasequality():
filter = MinBaseQuality(30)
seq_len_a = SeqRecord (Seq ('ACGT'), letter_annotations={'phred_quality': [10, 20, 30, 40]})
assert filter (seq_len_a) == False
seq_len_b = SeqRecord (Seq ('ACGT'), letter_annotations={'phred_quality': [30, 30, 30, 40]})
assert filter (seq_len_b) == True
seq_len_c = SeqRecord (Seq ('ACGT'), letter_annotations={'phred_quality': [40, 40, 40, 40]})
assert filter (seq_len_c) == True
def test_minlength():
filter = MinLength(4)
seq_len3 = SeqRecord (Seq ('ACG'))
assert filter (seq_len3) == False
seq_len4 = SeqRecord (Seq ('ACGT'))
assert filter (seq_len4) == True
seq_len5 = SeqRecord (Seq ('ACGTA'))
assert filter (seq_len5) == True