def test_num_seqs_in_file(): 'tests num_seqs_in_file' fasta_fhand = open(join(TEST_DATA_DIR, 'seq.fasta')) assert num_seqs_in_file(fasta_fhand) == 7 fastq_fhand = open(join(TEST_DATA_DIR, 'solexa.fastq')) assert num_seqs_in_file(fastq_fhand, format_='sfastq') == 3