view tests/test_workers.py @ 274:961f35fc09a8

Add test_workers.py
    - Add test for TokenizerWorker

import os
from unittest import TestCase
from unittest.mock import patch, call
from tempfile import TemporaryDirectory
from genty import genty, genty_dataset
from auditok import AudioDataSource
from auditok.cmdline_util import make_logger
from auditok.workers import (
    TokenizerWorker,
    StreamSaverWorker,
    RegionSaverWorker,
    PlayerWorker,
    CommandLineWorker,
    PrintWorker,
)


@genty
class TestWorkers(TestCase):
    def test_TokenizerWorker(self):
        reader = AudioDataSource(
            input="tests/data/test_split_10HZ_mono.raw",
            block_dur=0.1,
            sr=10,
            sw=2,
            ch=1,
        )
        with TemporaryDirectory() as tmpdir:
            file = os.path.join(tmpdir, "file.log")
            observers = [PrintWorker()]
            logger = make_logger(file=file, name="test_TokenizerWorker")
            tokenizer = TokenizerWorker(
                reader,
                observers=observers,
                logger=logger,
                min_dur=0.3,
                max_dur=2,
                max_silence=0.2,
                drop_trailing_silence=False,
                strict_min_dur=False,
                eth=50,
            )
            with patch("builtins.print") as patched_print:
                tokenizer.start_all()
                tokenizer.join()
                tokenizer._observers[0].join()
            # Get logged text
            with open(file) as fp:
                log_lines = fp.readlines()

        expected = [(0.2, 1.6), (1.7, 3.1), (3.4, 5.4), (5.4, 7.4), (7.4, 7.6)]
        # Asser PrintWorker ran as expected
        expected_print_calls = [
            call("{:.3f} {:.3f}".format(*exp)) for exp in expected
        ]
        self.assertEqual(patched_print.mock_calls, expected_print_calls)
        self.assertEqual(len(tokenizer.detections), len(expected))

        log_fmt = "[DET]: Detection {} (start: {:.3f}, "
        log_fmt += "end: {:.3f}, duration: {:.3f})"
        for i, (det, exp, log_line) in enumerate(
            zip(tokenizer.detections, expected, log_lines), 1
        ):
            start, end = exp
            exp_log_line = log_fmt.format(i, start, end, end - start)
            self.assertAlmostEqual(det.start, start)
            self.assertAlmostEqual(det.end, end)
            # remove timestamp part and strip new line
            self.assertEqual(log_line[28:].strip(), exp_log_line)