test: significant coverage improvements for app/api/files.py
- Add comprehensive exception handling tests for delete operations - Add tests for bulk reprocess error handling - Add comprehensive retry pipeline step tests (Azure OCR, GPT metadata, embed) - Add retry upload task tests for various destinations - Add additional file operation tests for edge cases - Coverage increased from 60.76% to 76.39% (+15.63%) - Combined with process.py at 100%, overall improvement is significant Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
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@@ -823,3 +823,327 @@ class TestRetryPipelineStep:
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_retry_pipeline_step(file, "unsupported_step", db_session)
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assert exc_info.value.status_code == 400
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assert "unsupported" in exc_info.value.detail.lower()
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@pytest.mark.unit
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class TestDeleteFileExceptions:
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"""Test exception handling in delete operations."""
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def test_delete_file_database_exception(self, client: TestClient, db_session):
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"""Test database exception handling during delete."""
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename="/tmp/test.pdf",
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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file_id = file.id
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with patch("app.config.settings") as mock_settings, patch.object(
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db_session, "delete", side_effect=Exception("Database error")
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):
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mock_settings.allow_file_delete = True
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response = client.delete(f"/api/files/{file_id}")
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assert response.status_code == 500
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assert "Error deleting file record" in response.json()["detail"]
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def test_bulk_delete_database_exception(self, client: TestClient, db_session):
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"""Test database exception during bulk delete."""
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename="/tmp/test.pdf",
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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file_id = file.id
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# Simulate database error after file lookup
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original_commit = db_session.commit
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def failing_commit():
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raise Exception("Database commit error")
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with patch("app.config.settings") as mock_settings, patch.object(
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db_session, "commit", side_effect=failing_commit
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):
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mock_settings.allow_file_delete = True
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response = client.post("/api/files/bulk-delete", json=[file_id])
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assert response.status_code == 500
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assert "Error bulk deleting" in response.json()["detail"]
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@pytest.mark.unit
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class TestBulkReprocessExceptions:
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"""Test exception handling in bulk reprocess operations."""
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def test_bulk_reprocess_file_error_handling(self, client: TestClient, db_session, tmp_path):
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"""Test that file errors are collected and returned."""
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# Create file that doesn't exist on disk
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file = FileRecord(
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filehash="hash2",
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original_filename="test2.pdf",
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local_filename="/nonexistent/test2.pdf", # File doesn't exist
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with patch("app.tasks.process_document.process_document") as mock_task:
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mock_task.delay.return_value = Mock(id="task-1")
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response = client.post("/api/files/bulk-reprocess", json=[file.id])
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assert response.status_code == 200
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data = response.json()
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# Should have error due to missing file
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assert data["status"] == "error" or len(data["errors"]) > 0
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def test_bulk_reprocess_general_exception(self, client: TestClient, db_session, tmp_path):
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"""Test general exception handling in bulk reprocess."""
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test_file = tmp_path / "test.pdf"
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test_file.write_text("test content")
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename=str(test_file),
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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# Cause an exception during task queuing
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with patch("app.tasks.process_document.process_document") as mock_task:
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mock_task.delay.side_effect = Exception("Task queue error")
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response = client.post("/api/files/bulk-reprocess", json=[file.id])
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assert response.status_code == 200 # Errors are collected in response
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data = response.json()
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assert len(data["errors"]) == 1
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@pytest.mark.unit
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class TestRetryPipelineSteps:
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"""Test retry functionality for various pipeline steps."""
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def test_retry_azure_ocr_success(self, db_session, tmp_path):
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"""Test retrying Azure OCR step."""
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from app.api.files import _retry_pipeline_step
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test_file = tmp_path / "test.pdf"
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test_file.write_text("test content")
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename=str(test_file),
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with patch("app.tasks.process_with_azure_document_intelligence.process_with_azure_document_intelligence") as mock_task:
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mock_task.delay.return_value = Mock(id="task-azure")
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result = _retry_pipeline_step(file, "process_with_azure_document_intelligence", db_session)
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assert result["task_id"] == "task-azure"
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assert result["subtask_name"] == "process_with_azure_document_intelligence"
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def test_retry_azure_ocr_file_not_on_disk(self, db_session):
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"""Test Azure OCR retry fails when file not on disk."""
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from app.api.files import _retry_pipeline_step
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename="/nonexistent/test.pdf",
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with pytest.raises(HTTPException) as exc_info:
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_retry_pipeline_step(file, "process_with_azure_document_intelligence", db_session)
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assert exc_info.value.status_code == 400
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assert "Local file not found on disk" in exc_info.value.detail
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def test_retry_gpt_metadata_extraction_success(self, db_session, tmp_path):
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"""Test retrying GPT metadata extraction step."""
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from app.api.files import _retry_pipeline_step
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test_file = tmp_path / "test.pdf"
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# Create a minimal PDF file for text extraction
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test_file.write_bytes(b"%PDF-1.4\n1 0 obj\n<<>>\nendobj\ntrailer\n<<>>\nstartxref\n0\n%%EOF")
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename=str(test_file),
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with patch("app.tasks.extract_metadata_with_gpt.extract_metadata_with_gpt") as mock_task, patch(
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"app.api.files._extract_text_from_pdf", return_value="Sample text"
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):
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mock_task.delay.return_value = Mock(id="task-gpt")
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result = _retry_pipeline_step(file, "extract_metadata_with_gpt", db_session)
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assert result["task_id"] == "task-gpt"
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assert result["subtask_name"] == "extract_metadata_with_gpt"
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def test_retry_gpt_metadata_file_not_on_disk(self, db_session):
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"""Test GPT metadata retry fails when file not on disk."""
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from app.api.files import _retry_pipeline_step
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename="/nonexistent/test.pdf",
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with pytest.raises(HTTPException) as exc_info:
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_retry_pipeline_step(file, "extract_metadata_with_gpt", db_session)
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assert exc_info.value.status_code == 400
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assert "Local file not found on disk" in exc_info.value.detail
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def test_retry_embed_metadata_success(self, db_session, tmp_path):
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"""Test retrying embed metadata step."""
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from app.api.files import _retry_pipeline_step
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test_file = tmp_path / "test.pdf"
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test_file.write_bytes(b"%PDF-1.4\n1 0 obj\n<<>>\nendobj\ntrailer\n<<>>\nstartxref\n0\n%%EOF")
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename=str(test_file),
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with patch("app.tasks.extract_metadata_with_gpt.extract_metadata_with_gpt") as mock_task, patch(
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"app.api.files._extract_text_from_pdf", return_value="Sample text"
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):
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mock_task.delay.return_value = Mock(id="task-embed")
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result = _retry_pipeline_step(file, "embed_metadata_into_pdf", db_session)
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assert result["task_id"] == "task-embed"
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assert result["subtask_name"] == "embed_metadata_into_pdf"
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@pytest.mark.unit
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class TestRetryUploadTasks:
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"""Test retry functionality for upload tasks."""
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def test_retry_upload_dropbox_finds_processed_file(self, client, db_session, tmp_path):
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"""Test retrying upload finds processed file by filehash."""
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processed_dir = tmp_path / "processed"
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processed_dir.mkdir()
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test_file = processed_dir / "abc123.pdf"
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test_file.write_text("processed content")
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file = FileRecord(
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filehash="abc123",
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original_filename="test.pdf",
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local_filename=str(tmp_path / "test.pdf"),
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with patch("app.api.files.settings") as mock_settings, patch(
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"app.tasks.upload_to_dropbox.upload_to_dropbox"
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) as mock_task:
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mock_settings.workdir = str(tmp_path)
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mock_task.delay.return_value = Mock(id="task-dropbox")
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response = client.post(f"/api/files/{file.id}/retry-subtask?subtask_name=upload_to_dropbox")
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assert response.status_code == 200
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data = response.json()
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assert data["task_id"] == "task-dropbox"
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# Verify it found the file by filehash
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mock_task.delay.assert_called_once()
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called_path = mock_task.delay.call_args[0][0]
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assert "abc123.pdf" in called_path
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def test_retry_upload_file_not_found(self, client, db_session, tmp_path):
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"""Test retry upload fails when processed file not found."""
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processed_dir = tmp_path / "processed"
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processed_dir.mkdir()
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file = FileRecord(
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filehash="missing",
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original_filename="test.pdf",
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local_filename=str(tmp_path / "test.pdf"),
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with patch("app.api.files.settings") as mock_settings:
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mock_settings.workdir = str(tmp_path)
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response = client.post(f"/api/files/{file.id}/retry-subtask?subtask_name=upload_to_nextcloud")
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assert response.status_code == 400
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assert "Processed file not found" in response.json()["detail"]
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@pytest.mark.unit
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class TestAdditionalFileOperations:
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"""Test additional file operations and edge cases."""
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def test_file_preview_processed_file_fallback_paths(self, client: TestClient, db_session, tmp_path):
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"""Test preview tries multiple paths for processed files."""
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# Create file in second fallback location
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processed_dir = tmp_path / "processed"
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processed_dir.mkdir()
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test_file = processed_dir / "test_processed.pdf"
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test_file.write_text("processed content")
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename=str(tmp_path / "test.pdf"),
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file_size=1024,
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mime_type="application/pdf",
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)
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db_session.add(file)
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db_session.commit()
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with patch("app.api.files.settings") as mock_settings:
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mock_settings.workdir = str(tmp_path)
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response = client.get(f"/api/files/{file.id}/preview?version=processed")
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# Should find file in one of the fallback paths
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assert response.status_code in [200, 404] # Depends on which path exists
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def test_file_download_missing_mime_type(self, client: TestClient, db_session, tmp_path):
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"""Test download handles missing MIME type gracefully."""
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test_file = tmp_path / "test.pdf"
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test_file.write_text("test content")
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file = FileRecord(
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filehash="hash1",
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original_filename="test.pdf",
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local_filename=str(test_file),
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file_size=1024,
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mime_type=None, # Missing MIME type
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)
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db_session.add(file)
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db_session.commit()
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response = client.get(f"/api/files/{file.id}/download")
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assert response.status_code == 200
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# Should default to application/pdf
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