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transcriber_test.py
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transcriber_test.py
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import os
import tempfile
import pytest
from transcriber import (FileTranscriber, OutputFormat, RecordingTranscriber,
to_timestamp)
from whispr import Task
class TestRecordingTranscriber:
def test_transcriber(self):
transcriber = RecordingTranscriber(
model_name='tiny', use_whisper_cpp=True, language='en',
task=Task.TRANSCRIBE)
assert transcriber is not None
class TestFileTranscriber:
def test_default_output_file(self):
srt = FileTranscriber.get_default_output_file_path(
Task.TRANSLATE, '/a/b/c.mp4', OutputFormat.TXT)
assert srt.startswith('/a/b/c (Translated on ')
assert srt.endswith('.txt')
srt = FileTranscriber.get_default_output_file_path(
Task.TRANSLATE, '/a/b/c.mp4', OutputFormat.SRT)
assert srt.startswith('/a/b/c (Translated on ')
assert srt.endswith('.srt')
def test_transcribe_whisper(self):
output_file_path = os.path.join(tempfile.gettempdir(), 'whisper.txt')
if os.path.exists(output_file_path):
os.remove(output_file_path)
events = []
def event_callback(event: FileTranscriber.Event):
events.append(event)
transcriber = FileTranscriber(
model_name='tiny', use_whisper_cpp=False, language='fr',
task=Task.TRANSCRIBE, file_path='testdata/whisper-french.mp3',
output_file_path=output_file_path, output_format=OutputFormat.TXT,
open_file_on_complete=False, event_callback=event_callback)
transcriber.start()
transcriber.join()
assert os.path.isfile(output_file_path)
output_file = open(output_file_path, 'r', encoding='utf-8')
assert 'Bienvenue dans Passe-Relle, un podcast' in output_file.read()
# Reports progress at 0, 0<progress<100, and 100
assert len([event for event in events if isinstance(
event, FileTranscriber.ProgressEvent) and event.current_value == 0 and event.max_value == 100]) > 0
assert len([event for event in events if isinstance(
event, FileTranscriber.ProgressEvent) and event.current_value == 100 and event.max_value == 100]) > 0
assert len([event for event in events if isinstance(
event, FileTranscriber.ProgressEvent) and event.current_value > 0 and event.current_value < 100 and event.max_value == 100]) > 0
def test_transcribe_whisper_stop(self):
output_file_path = os.path.join(tempfile.gettempdir(), 'whisper.txt')
if os.path.exists(output_file_path):
os.remove(output_file_path)
events = []
def event_callback(event: FileTranscriber.Event):
events.append(event)
transcriber = FileTranscriber(
model_name='tiny', use_whisper_cpp=False, language='fr',
task=Task.TRANSCRIBE, file_path='testdata/whisper-french.mp3',
output_file_path=output_file_path, output_format=OutputFormat.TXT,
open_file_on_complete=False, event_callback=event_callback)
transcriber.start()
transcriber.stop()
# Assert that file was not created and there was no completed progress event
assert os.path.isfile(output_file_path) is False
assert any([isinstance(event, FileTranscriber.ProgressEvent)
and event.current_value == event.max_value for event in events]) is False
@pytest.mark.skip(reason='issue with .so file on windows')
def test_transcribe_whisper_cpp(self):
output_file_path = os.path.join(
tempfile.gettempdir(), 'whisper_cpp.txt')
if os.path.exists(output_file_path):
os.remove(output_file_path)
events = []
def event_callback(event: FileTranscriber.Event):
events.append(event)
transcriber = FileTranscriber(
model_name='tiny', use_whisper_cpp=True, language='fr',
task=Task.TRANSCRIBE, file_path='testdata/whisper-french.mp3',
output_file_path=output_file_path, output_format=OutputFormat.TXT,
open_file_on_complete=False, event_callback=event_callback)
transcriber.start()
transcriber.join()
assert os.path.isfile(output_file_path)
output_file = open(output_file_path, 'r', encoding='utf-8')
assert 'Bienvenue dans Passe-Relle, un podcast' in output_file.read()
class TestToTimestamp:
def test_to_timestamp(self):
assert to_timestamp(0) == '00:00:00.000'
assert to_timestamp(123456789) == '34:17:36.789'