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"""Tests for the core video processing pipeline.""" |
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import json |
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from pathlib import Path |
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from unittest.mock import MagicMock, patch |
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import pytest |
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from video_processor.pipeline import ( |
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_extract_action_items, |
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_extract_key_points, |
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_format_srt_time, |
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process_single_video, |
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) |
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class TestFormatSrtTime: |
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def test_zero(self): |
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assert _format_srt_time(0) == "00:00:00,000" |
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def test_seconds(self): |
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assert _format_srt_time(5.5) == "00:00:05,500" |
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def test_minutes(self): |
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assert _format_srt_time(90.0) == "00:01:30,000" |
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def test_hours(self): |
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assert _format_srt_time(3661.123) == "01:01:01,123" |
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def test_large_value(self): |
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result = _format_srt_time(7200.0) |
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assert result == "02:00:00,000" |
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class TestExtractKeyPoints: |
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def test_parses_valid_response(self): |
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pm = MagicMock() |
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pm.chat.return_value = json.dumps( |
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[ |
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{"point": "Main point", "topic": "Architecture", "details": "Some details"}, |
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{"point": "Second point", "topic": None, "details": None}, |
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] |
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) |
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result = _extract_key_points(pm, "Some transcript text here") |
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assert len(result) == 2 |
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assert result[0].point == "Main point" |
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assert result[0].topic == "Architecture" |
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assert result[1].point == "Second point" |
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def test_skips_invalid_items(self): |
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pm = MagicMock() |
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pm.chat.return_value = json.dumps( |
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[ |
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{"point": "Valid", "topic": None}, |
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{"topic": "No point field"}, |
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{"point": "", "topic": "Empty point"}, |
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] |
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) |
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result = _extract_key_points(pm, "text") |
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assert len(result) == 1 |
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assert result[0].point == "Valid" |
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def test_handles_error(self): |
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pm = MagicMock() |
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pm.chat.side_effect = Exception("API error") |
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result = _extract_key_points(pm, "text") |
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assert result == [] |
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def test_handles_non_list_response(self): |
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pm = MagicMock() |
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pm.chat.return_value = '{"not": "a list"}' |
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result = _extract_key_points(pm, "text") |
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assert result == [] |
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class TestExtractActionItems: |
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def test_parses_valid_response(self): |
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pm = MagicMock() |
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pm.chat.return_value = json.dumps( |
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[ |
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{ |
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"action": "Deploy fix", |
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"assignee": "Bob", |
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"deadline": "Friday", |
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"priority": "high", |
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"context": "Production", |
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}, |
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] |
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) |
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result = _extract_action_items(pm, "Some transcript text") |
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assert len(result) == 1 |
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assert result[0].action == "Deploy fix" |
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assert result[0].assignee == "Bob" |
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def test_skips_invalid_items(self): |
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pm = MagicMock() |
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pm.chat.return_value = json.dumps( |
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[ |
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{"action": "Valid action"}, |
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{"assignee": "No action field"}, |
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{"action": ""}, |
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] |
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) |
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result = _extract_action_items(pm, "text") |
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assert len(result) == 1 |
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def test_handles_error(self): |
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pm = MagicMock() |
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pm.chat.side_effect = Exception("API down") |
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result = _extract_action_items(pm, "text") |
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assert result == [] |
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# --------------------------------------------------------------------------- |
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# process_single_video tests (heavily mocked) |
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# --------------------------------------------------------------------------- |
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def _make_mock_pm(): |
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"""Build a mock ProviderManager with usage tracker and predictable responses.""" |
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pm = MagicMock() |
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# Usage tracker stub |
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pm.usage = MagicMock() |
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pm.usage.start_step = MagicMock() |
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pm.usage.end_step = MagicMock() |
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# transcribe_audio returns a simple transcript |
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pm.transcribe_audio.return_value = { |
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"text": "Alice discussed the Python deployment strategy with Bob.", |
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"segments": [ |
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{"start": 0.0, "end": 5.0, "text": "Alice discussed the Python deployment strategy."}, |
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{"start": 5.0, "end": 10.0, "text": "Bob agreed on the timeline."}, |
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], |
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"duration": 10.0, |
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"language": "en", |
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"provider": "mock", |
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"model": "mock-whisper", |
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} |
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# chat returns predictable JSON depending on the call |
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def _chat_side_effect(messages, **kwargs): |
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content = messages[0]["content"] if messages else "" |
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if "key points" in content.lower(): |
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return json.dumps( |
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[{"point": "Deployment strategy discussed", "topic": "DevOps", "details": "Python"}] |
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) |
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if "action items" in content.lower(): |
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return json.dumps( |
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[{"action": "Deploy to production", "assignee": "Bob", "priority": "high"}] |
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) |
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# Default: entity extraction for knowledge graph |
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return json.dumps( |
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{ |
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"entities": [ |
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{"name": "Python", "type": "technology", "description": "Programming language"}, |
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{"name": "Alice", "type": "person", "description": "Engineer"}, |
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], |
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"relationships": [ |
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{"source": "Alice", "target": "Python", "type": "uses"}, |
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], |
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} |
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) |
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pm.chat.side_effect = _chat_side_effect |
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pm.get_models_used.return_value = {"chat": "mock-gpt", "transcription": "mock-whisper"} |
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return pm |
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def _make_tqdm_passthrough(mock_tqdm): |
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"""Configure mock tqdm to pass through iterables while supporting .set_description() etc.""" |
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def _tqdm_side_effect(iterable, **kw): |
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wrapper = MagicMock() |
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wrapper.__iter__ = lambda self: iter(iterable) |
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return wrapper |
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mock_tqdm.side_effect = _tqdm_side_effect |
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def _create_fake_video(path: Path) -> Path: |
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"""Create a tiny file that stands in for a video (all extractors are mocked).""" |
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path.parent.mkdir(parents=True, exist_ok=True) |
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path.write_bytes(b"\x00" * 64) |
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return path |
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class TestProcessSingleVideo: |
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"""Integration-level tests for process_single_video with heavy mocking.""" |
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@pytest.fixture |
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def setup(self, tmp_path): |
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"""Create fake video, output dir, and mock PM.""" |
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video_path = _create_fake_video(tmp_path / "input" / "meeting.mp4") |
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output_dir = tmp_path / "output" |
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pm = _make_mock_pm() |
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return video_path, output_dir, pm |
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@patch("video_processor.pipeline.export_all_formats") |
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@patch("video_processor.pipeline.PlanGenerator") |
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@patch("video_processor.pipeline.DiagramAnalyzer") |
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@patch("video_processor.pipeline.AudioExtractor") |
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@patch("video_processor.pipeline.filter_people_frames") |
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@patch("video_processor.pipeline.save_frames") |
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@patch("video_processor.pipeline.extract_frames") |
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@patch("video_processor.pipeline.tqdm") |
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def test_returns_manifest( |
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self, |
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mock_tqdm, |
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mock_extract_frames, |
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mock_save_frames, |
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mock_filter_people, |
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mock_audio_extractor_cls, |
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mock_diagram_analyzer_cls, |
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mock_plan_gen_cls, |
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mock_export, |
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setup, |
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): |
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video_path, output_dir, pm = setup |
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# tqdm pass-through |
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_make_tqdm_passthrough(mock_tqdm) |
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# Frame extraction mocks |
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mock_extract_frames.return_value = [b"fake_frame_1", b"fake_frame_2"] |
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mock_filter_people.return_value = ([b"fake_frame_1", b"fake_frame_2"], 0) |
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frames_dir = output_dir / "frames" |
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frames_dir.mkdir(parents=True, exist_ok=True) |
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frame_paths = [] |
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for i in range(2): |
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fp = frames_dir / f"frame_{i:04d}.jpg" |
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fp.write_bytes(b"\xff") |
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frame_paths.append(fp) |
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mock_save_frames.return_value = frame_paths |
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# Audio extractor mock |
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audio_ext = MagicMock() |
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audio_ext.extract_audio.return_value = output_dir / "audio" / "meeting.wav" |
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audio_ext.get_audio_properties.return_value = {"duration": 10.0} |
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mock_audio_extractor_cls.return_value = audio_ext |
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# Diagram analyzer mock |
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diag_analyzer = MagicMock() |
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diag_analyzer.process_frames.return_value = ([], []) |
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mock_diagram_analyzer_cls.return_value = diag_analyzer |
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# Plan generator mock |
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plan_gen = MagicMock() |
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mock_plan_gen_cls.return_value = plan_gen |
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# export_all_formats returns the manifest it receives |
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mock_export.side_effect = lambda out_dir, manifest: manifest |
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manifest = process_single_video( |
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input_path=video_path, |
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output_dir=output_dir, |
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provider_manager=pm, |
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depth="standard", |
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) |
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from video_processor.models import VideoManifest |
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assert isinstance(manifest, VideoManifest) |
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assert manifest.video.title == "Analysis of meeting" |
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assert manifest.stats.frames_extracted == 2 |
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assert manifest.transcript_json == "transcript/transcript.json" |
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assert manifest.knowledge_graph_json == "results/knowledge_graph.json" |
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@patch("video_processor.pipeline.export_all_formats") |
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@patch("video_processor.pipeline.PlanGenerator") |
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@patch("video_processor.pipeline.DiagramAnalyzer") |
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@patch("video_processor.pipeline.AudioExtractor") |
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@patch("video_processor.pipeline.filter_people_frames") |
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@patch("video_processor.pipeline.save_frames") |
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@patch("video_processor.pipeline.extract_frames") |
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@patch("video_processor.pipeline.tqdm") |
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def test_creates_output_directories( |
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self, |
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mock_tqdm, |
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mock_extract_frames, |
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mock_save_frames, |
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mock_filter_people, |
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mock_audio_extractor_cls, |
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mock_diagram_analyzer_cls, |
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mock_plan_gen_cls, |
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mock_export, |
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setup, |
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): |
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video_path, output_dir, pm = setup |
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291
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292
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_make_tqdm_passthrough(mock_tqdm) |
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mock_extract_frames.return_value = [] |
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mock_filter_people.return_value = ([], 0) |
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mock_save_frames.return_value = [] |
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296
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297
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audio_ext = MagicMock() |
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audio_ext.extract_audio.return_value = output_dir / "audio" / "meeting.wav" |
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audio_ext.get_audio_properties.return_value = {"duration": 5.0} |
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mock_audio_extractor_cls.return_value = audio_ext |
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301
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302
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diag_analyzer = MagicMock() |
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diag_analyzer.process_frames.return_value = ([], []) |
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304
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mock_diagram_analyzer_cls.return_value = diag_analyzer |
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305
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306
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plan_gen = MagicMock() |
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307
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mock_plan_gen_cls.return_value = plan_gen |
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308
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309
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mock_export.side_effect = lambda out_dir, manifest: manifest |
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311
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process_single_video( |
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input_path=video_path, |
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313
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output_dir=output_dir, |
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314
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provider_manager=pm, |
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) |
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316
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317
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# Verify standard output directories were created |
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assert (output_dir / "transcript").is_dir() |
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assert (output_dir / "frames").is_dir() |
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320
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assert (output_dir / "results").is_dir() |
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321
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322
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@patch("video_processor.pipeline.export_all_formats") |
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323
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@patch("video_processor.pipeline.PlanGenerator") |
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324
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@patch("video_processor.pipeline.DiagramAnalyzer") |
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325
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@patch("video_processor.pipeline.AudioExtractor") |
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326
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@patch("video_processor.pipeline.filter_people_frames") |
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327
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@patch("video_processor.pipeline.save_frames") |
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328
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@patch("video_processor.pipeline.extract_frames") |
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329
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@patch("video_processor.pipeline.tqdm") |
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330
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def test_resume_existing_frames( |
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331
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self, |
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332
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mock_tqdm, |
|
333
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mock_extract_frames, |
|
334
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mock_save_frames, |
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335
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mock_filter_people, |
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336
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mock_audio_extractor_cls, |
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337
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mock_diagram_analyzer_cls, |
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338
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mock_plan_gen_cls, |
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339
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mock_export, |
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340
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setup, |
|
341
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): |
|
342
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"""When frames already exist on disk, extraction should be skipped.""" |
|
343
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video_path, output_dir, pm = setup |
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344
|
|
|
345
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_make_tqdm_passthrough(mock_tqdm) |
|
346
|
|
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347
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# Pre-create frames directory with existing frames |
|
348
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frames_dir = output_dir / "frames" |
|
349
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frames_dir.mkdir(parents=True, exist_ok=True) |
|
350
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for i in range(3): |
|
351
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(frames_dir / f"frame_{i:04d}.jpg").write_bytes(b"\xff") |
|
352
|
|
|
353
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audio_ext = MagicMock() |
|
354
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audio_ext.extract_audio.return_value = output_dir / "audio" / "meeting.wav" |
|
355
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audio_ext.get_audio_properties.return_value = {"duration": 10.0} |
|
356
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mock_audio_extractor_cls.return_value = audio_ext |
|
357
|
|
|
358
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diag_analyzer = MagicMock() |
|
359
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diag_analyzer.process_frames.return_value = ([], []) |
|
360
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mock_diagram_analyzer_cls.return_value = diag_analyzer |
|
361
|
|
|
362
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plan_gen = MagicMock() |
|
363
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mock_plan_gen_cls.return_value = plan_gen |
|
364
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mock_export.side_effect = lambda out_dir, manifest: manifest |
|
365
|
|
|
366
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manifest = process_single_video( |
|
367
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input_path=video_path, |
|
368
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output_dir=output_dir, |
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369
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provider_manager=pm, |
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370
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) |
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371
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372
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# extract_frames should NOT have been called (resume path) |
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mock_extract_frames.assert_not_called() |
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374
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assert manifest.stats.frames_extracted == 3 |
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375
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|
|
376
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@patch("video_processor.pipeline.export_all_formats") |
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377
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@patch("video_processor.pipeline.PlanGenerator") |
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378
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@patch("video_processor.pipeline.DiagramAnalyzer") |
|
379
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@patch("video_processor.pipeline.AudioExtractor") |
|
380
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@patch("video_processor.pipeline.filter_people_frames") |
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381
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@patch("video_processor.pipeline.save_frames") |
|
382
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@patch("video_processor.pipeline.extract_frames") |
|
383
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@patch("video_processor.pipeline.tqdm") |
|
384
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def test_resume_existing_transcript( |
|
385
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self, |
|
386
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mock_tqdm, |
|
387
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mock_extract_frames, |
|
388
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mock_save_frames, |
|
389
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mock_filter_people, |
|
390
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mock_audio_extractor_cls, |
|
391
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mock_diagram_analyzer_cls, |
|
392
|
mock_plan_gen_cls, |
|
393
|
mock_export, |
|
394
|
setup, |
|
395
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): |
|
396
|
"""When transcript exists on disk, transcription should be skipped.""" |
|
397
|
video_path, output_dir, pm = setup |
|
398
|
|
|
399
|
_make_tqdm_passthrough(mock_tqdm) |
|
400
|
mock_extract_frames.return_value = [] |
|
401
|
mock_filter_people.return_value = ([], 0) |
|
402
|
mock_save_frames.return_value = [] |
|
403
|
|
|
404
|
audio_ext = MagicMock() |
|
405
|
audio_ext.extract_audio.return_value = output_dir / "audio" / "meeting.wav" |
|
406
|
audio_ext.get_audio_properties.return_value = {"duration": 10.0} |
|
407
|
mock_audio_extractor_cls.return_value = audio_ext |
|
408
|
|
|
409
|
# Pre-create transcript file |
|
410
|
transcript_dir = output_dir / "transcript" |
|
411
|
transcript_dir.mkdir(parents=True, exist_ok=True) |
|
412
|
transcript_data = { |
|
413
|
"text": "Pre-existing transcript text.", |
|
414
|
"segments": [{"start": 0.0, "end": 5.0, "text": "Pre-existing transcript text."}], |
|
415
|
"duration": 5.0, |
|
416
|
} |
|
417
|
(transcript_dir / "transcript.json").write_text(json.dumps(transcript_data)) |
|
418
|
|
|
419
|
diag_analyzer = MagicMock() |
|
420
|
diag_analyzer.process_frames.return_value = ([], []) |
|
421
|
mock_diagram_analyzer_cls.return_value = diag_analyzer |
|
422
|
|
|
423
|
plan_gen = MagicMock() |
|
424
|
mock_plan_gen_cls.return_value = plan_gen |
|
425
|
mock_export.side_effect = lambda out_dir, manifest: manifest |
|
426
|
|
|
427
|
process_single_video( |
|
428
|
input_path=video_path, |
|
429
|
output_dir=output_dir, |
|
430
|
provider_manager=pm, |
|
431
|
) |
|
432
|
|
|
433
|
# transcribe_audio should NOT have been called (resume path) |
|
434
|
pm.transcribe_audio.assert_not_called() |
|
435
|
|
|
436
|
@patch("video_processor.pipeline.export_all_formats") |
|
437
|
@patch("video_processor.pipeline.PlanGenerator") |
|
438
|
@patch("video_processor.pipeline.DiagramAnalyzer") |
|
439
|
@patch("video_processor.pipeline.AudioExtractor") |
|
440
|
@patch("video_processor.pipeline.filter_people_frames") |
|
441
|
@patch("video_processor.pipeline.save_frames") |
|
442
|
@patch("video_processor.pipeline.extract_frames") |
|
443
|
@patch("video_processor.pipeline.tqdm") |
|
444
|
def test_custom_title( |
|
445
|
self, |
|
446
|
mock_tqdm, |
|
447
|
mock_extract_frames, |
|
448
|
mock_save_frames, |
|
449
|
mock_filter_people, |
|
450
|
mock_audio_extractor_cls, |
|
451
|
mock_diagram_analyzer_cls, |
|
452
|
mock_plan_gen_cls, |
|
453
|
mock_export, |
|
454
|
setup, |
|
455
|
): |
|
456
|
video_path, output_dir, pm = setup |
|
457
|
|
|
458
|
_make_tqdm_passthrough(mock_tqdm) |
|
459
|
mock_extract_frames.return_value = [] |
|
460
|
mock_filter_people.return_value = ([], 0) |
|
461
|
mock_save_frames.return_value = [] |
|
462
|
|
|
463
|
audio_ext = MagicMock() |
|
464
|
audio_ext.extract_audio.return_value = output_dir / "audio" / "meeting.wav" |
|
465
|
audio_ext.get_audio_properties.return_value = {"duration": 5.0} |
|
466
|
mock_audio_extractor_cls.return_value = audio_ext |
|
467
|
|
|
468
|
diag_analyzer = MagicMock() |
|
469
|
diag_analyzer.process_frames.return_value = ([], []) |
|
470
|
mock_diagram_analyzer_cls.return_value = diag_analyzer |
|
471
|
|
|
472
|
plan_gen = MagicMock() |
|
473
|
mock_plan_gen_cls.return_value = plan_gen |
|
474
|
mock_export.side_effect = lambda out_dir, manifest: manifest |
|
475
|
|
|
476
|
manifest = process_single_video( |
|
477
|
input_path=video_path, |
|
478
|
output_dir=output_dir, |
|
479
|
provider_manager=pm, |
|
480
|
title="My Custom Title", |
|
481
|
) |
|
482
|
|
|
483
|
assert manifest.video.title == "My Custom Title" |
|
484
|
|
|
485
|
@patch("video_processor.pipeline.export_all_formats") |
|
486
|
@patch("video_processor.pipeline.PlanGenerator") |
|
487
|
@patch("video_processor.pipeline.DiagramAnalyzer") |
|
488
|
@patch("video_processor.pipeline.AudioExtractor") |
|
489
|
@patch("video_processor.pipeline.filter_people_frames") |
|
490
|
@patch("video_processor.pipeline.save_frames") |
|
491
|
@patch("video_processor.pipeline.extract_frames") |
|
492
|
@patch("video_processor.pipeline.tqdm") |
|
493
|
def test_key_points_and_action_items_extracted( |
|
494
|
self, |
|
495
|
mock_tqdm, |
|
496
|
mock_extract_frames, |
|
497
|
mock_save_frames, |
|
498
|
mock_filter_people, |
|
499
|
mock_audio_extractor_cls, |
|
500
|
mock_diagram_analyzer_cls, |
|
501
|
mock_plan_gen_cls, |
|
502
|
mock_export, |
|
503
|
setup, |
|
504
|
): |
|
505
|
video_path, output_dir, pm = setup |
|
506
|
|
|
507
|
_make_tqdm_passthrough(mock_tqdm) |
|
508
|
mock_extract_frames.return_value = [] |
|
509
|
mock_filter_people.return_value = ([], 0) |
|
510
|
mock_save_frames.return_value = [] |
|
511
|
|
|
512
|
audio_ext = MagicMock() |
|
513
|
audio_ext.extract_audio.return_value = output_dir / "audio" / "meeting.wav" |
|
514
|
audio_ext.get_audio_properties.return_value = {"duration": 10.0} |
|
515
|
mock_audio_extractor_cls.return_value = audio_ext |
|
516
|
|
|
517
|
diag_analyzer = MagicMock() |
|
518
|
diag_analyzer.process_frames.return_value = ([], []) |
|
519
|
mock_diagram_analyzer_cls.return_value = diag_analyzer |
|
520
|
|
|
521
|
plan_gen = MagicMock() |
|
522
|
mock_plan_gen_cls.return_value = plan_gen |
|
523
|
mock_export.side_effect = lambda out_dir, manifest: manifest |
|
524
|
|
|
525
|
manifest = process_single_video( |
|
526
|
input_path=video_path, |
|
527
|
output_dir=output_dir, |
|
528
|
provider_manager=pm, |
|
529
|
) |
|
530
|
|
|
531
|
assert len(manifest.key_points) == 1 |
|
532
|
assert manifest.key_points[0].point == "Deployment strategy discussed" |
|
533
|
assert len(manifest.action_items) == 1 |
|
534
|
assert manifest.action_items[0].action == "Deploy to production" |
|
535
|
|