copilot-swe-agent[bot]
b1005bdac3
- Created test_file_upload.py with 19 tests covering all aspects of file upload functionality - Tests include: valid file uploads (PDF, images, office docs, text, CSV) - Invalid file handling (oversized, executables, empty files, no file) - Security tests (path traversal, special characters) - Error handling (disk write failures, celery failures) - Filename handling (UUID generation, no extension) - MIME type detection - Modified conftest.py to mock Celery module to prevent Redis connection during tests - All 19 tests passing Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
465 lines
19 KiB
Python
465 lines
19 KiB
Python
"""
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Tests for file upload functionality via the ui-upload endpoint.
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Tests cover:
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- Valid file uploads (PDF, images, office documents, text files)
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- Invalid file types
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- File size validation
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- Malformed files
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- Security issues (path traversal)
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- Error handling
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"""
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import io
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import os
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import pytest
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from unittest.mock import patch, MagicMock, Mock
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from fastapi.testclient import TestClient
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# Module-level mock to prevent Celery connection attempts
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@pytest.fixture(autouse=True)
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def mock_celery_tasks():
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"""Mock Celery tasks to prevent connection attempts."""
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with patch("app.tasks.process_document.process_document") as mock_process_task, \
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patch("app.tasks.convert_to_pdf.convert_to_pdf") as mock_convert_task:
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# Setup the mocked tasks with delay methods
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mock_process_task.delay = Mock()
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mock_convert_task.delay = Mock()
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yield {
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"process_document": mock_process_task,
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"convert_to_pdf": mock_convert_task
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}
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@pytest.mark.integration
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class TestValidFileUploads:
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"""Tests for successful file uploads with various valid file types."""
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def test_upload_valid_pdf(self, client: TestClient, sample_pdf_path: str):
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"""Test uploading a valid PDF file."""
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with patch("app.api.files.process_document.delay") as mock_process:
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mock_task = MagicMock()
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mock_task.id = "test-task-id-123"
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mock_process.return_value = mock_task
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with open(sample_pdf_path, "rb") as f:
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response = client.post(
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"/api/ui-upload",
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files={"file": ("document.pdf", f, "application/pdf")}
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)
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assert response.status_code == 200
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data = response.json()
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# Verify response structure
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assert "task_id" in data
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assert "status" in data
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assert "original_filename" in data
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assert "stored_filename" in data
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# Verify response values
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assert data["task_id"] == "test-task-id-123"
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assert data["status"] == "queued"
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assert data["original_filename"] == "document.pdf"
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assert data["stored_filename"].endswith(".pdf")
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# Verify the processing task was called
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mock_process.assert_called_once()
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call_args = mock_process.call_args
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assert call_args.kwargs["original_filename"] == "document.pdf"
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def test_upload_valid_text_file(self, client: TestClient):
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"""Test uploading a valid text file."""
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# Patch where the function is used (in app.api.files module)
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-txt-456"
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mock_convert.return_value = mock_task
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text_content = b"This is a test text file.\nWith multiple lines."
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response = client.post(
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"/api/ui-upload",
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files={"file": ("document.txt", io.BytesIO(text_content), "text/plain")}
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)
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assert response.status_code == 200
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data = response.json()
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assert data["task_id"] == "test-task-txt-456"
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assert data["original_filename"] == "document.txt"
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assert data["stored_filename"].endswith(".txt")
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# Text files should be converted to PDF
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mock_convert.assert_called_once()
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def test_upload_valid_image_jpeg(self, client: TestClient):
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"""Test uploading a valid JPEG image."""
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-img-789"
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mock_convert.return_value = mock_task
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# Create a minimal valid JPEG
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jpeg_content = (
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b"\xff\xd8\xff\xe0\x00\x10JFIF\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00"
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b"\xff\xdb\x00C\x00\x08\x06\x06\x07\x06\x05\x08\x07\x07\x07\t\t\x08\n"
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b"\xff\xd9"
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)
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response = client.post(
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"/api/ui-upload",
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files={"file": ("image.jpg", io.BytesIO(jpeg_content), "image/jpeg")}
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)
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assert response.status_code == 200
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data = response.json()
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assert data["task_id"] == "test-task-img-789"
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assert data["original_filename"] == "image.jpg"
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# Images should be converted to PDF
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mock_convert.assert_called_once()
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def test_upload_valid_png_image(self, client: TestClient):
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"""Test uploading a valid PNG image."""
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-png-001"
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mock_convert.return_value = mock_task
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# Create a minimal valid PNG (1x1 transparent pixel)
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png_content = (
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b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01"
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b"\x08\x06\x00\x00\x00\x1f\x15\xc4\x89\x00\x00\x00\nIDATx\x9cc\x00\x01"
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b"\x00\x00\x05\x00\x01\r\n-\xb4\x00\x00\x00\x00IEND\xaeB`\x82"
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)
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response = client.post(
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"/api/ui-upload",
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files={"file": ("screenshot.png", io.BytesIO(png_content), "image/png")}
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)
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assert response.status_code == 200
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data = response.json()
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assert data["original_filename"] == "screenshot.png"
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assert data["stored_filename"].endswith(".png")
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mock_convert.assert_called_once()
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def test_upload_office_document_docx(self, client: TestClient):
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"""Test uploading a Word document."""
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-docx-002"
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mock_convert.return_value = mock_task
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# Create minimal DOCX content (ZIP file with proper structure)
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docx_content = (
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b"PK\x03\x04\x14\x00\x00\x00\x08\x00" + b"\x00" * 50
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)
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response = client.post(
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"/api/ui-upload",
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files={"file": (
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"report.docx",
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io.BytesIO(docx_content),
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"application/vnd.openxmlformats-officedocument.wordprocessingml.document"
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)}
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)
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assert response.status_code == 200
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data = response.json()
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assert data["original_filename"] == "report.docx"
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assert data["stored_filename"].endswith(".docx")
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# Office documents should be converted to PDF
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mock_convert.assert_called_once()
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def test_upload_csv_file(self, client: TestClient):
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"""Test uploading a CSV file."""
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-csv-003"
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mock_convert.return_value = mock_task
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csv_content = b"name,age,city\nJohn,30,NYC\nJane,25,LA\n"
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response = client.post(
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"/api/ui-upload",
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files={"file": ("data.csv", io.BytesIO(csv_content), "text/csv")}
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)
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assert response.status_code == 200
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data = response.json()
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assert data["original_filename"] == "data.csv"
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mock_convert.assert_called_once()
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@pytest.mark.integration
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class TestInvalidFileUploads:
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"""Tests for handling invalid or problematic file uploads."""
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def test_upload_file_too_large(self, client: TestClient):
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"""Test that files over 500MB are rejected."""
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with patch("app.api.files.convert_to_pdf.delay"):
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# Create a large file content (mock it to avoid memory issues)
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# We'll create the file on disk and then check size
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large_content = b"x" * 1024 # 1KB for testing
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with patch("os.path.getsize") as mock_getsize:
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# Mock the file size to be over 500MB
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mock_getsize.return_value = 501 * 1024 * 1024 # 501MB
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response = client.post(
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"/api/ui-upload",
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files={"file": ("huge.pdf", io.BytesIO(large_content), "application/pdf")}
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)
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assert response.status_code == 413 # Request Entity Too Large
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assert "too large" in response.json()["detail"].lower()
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def test_upload_executable_file(self, client: TestClient):
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"""Test that executable files are handled (attempted conversion)."""
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-exe-004"
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mock_convert.return_value = mock_task
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exe_content = b"MZ\x90\x00" # PE header
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response = client.post(
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"/api/ui-upload",
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files={"file": ("program.exe", io.BytesIO(exe_content), "application/x-msdownload")}
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)
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# Per the code, unsupported types get a warning but are still processed
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assert response.status_code == 200
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# The system attempts conversion even for unsupported types
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mock_convert.assert_called_once()
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def test_upload_empty_file(self, client: TestClient):
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"""Test uploading an empty file."""
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-empty-005"
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mock_convert.return_value = mock_task
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response = client.post(
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"/api/ui-upload",
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files={"file": ("empty.txt", io.BytesIO(b""), "text/plain")}
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)
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# Empty files are accepted and queued for processing
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assert response.status_code == 200
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data = response.json()
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assert data["original_filename"] == "empty.txt"
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def test_upload_without_file(self, client: TestClient):
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"""Test POST request without a file."""
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response = client.post("/api/ui-upload")
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# FastAPI should return a validation error
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assert response.status_code == 422 # Unprocessable Entity
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@pytest.mark.integration
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@pytest.mark.security
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class TestUploadSecurity:
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"""Tests for security aspects of file uploads."""
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def test_path_traversal_prevention_dotdot(self, client: TestClient):
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"""Test that path traversal attempts are prevented."""
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with patch("app.api.files.process_document.delay") as mock_process:
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mock_task = MagicMock()
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mock_task.id = "test-task-security-001"
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mock_process.return_value = mock_task
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# Try to upload a file with path traversal in filename
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malicious_filename = "../../etc/passwd.pdf"
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pdf_content = b"%PDF-1.4\n%EOF"
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response = client.post(
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"/api/ui-upload",
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files={"file": (malicious_filename, io.BytesIO(pdf_content), "application/pdf")}
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)
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assert response.status_code == 200
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data = response.json()
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# The original filename should be sanitized (only basename)
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assert data["original_filename"] == "passwd.pdf"
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assert ".." not in data["stored_filename"]
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assert "/" not in data["stored_filename"]
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def test_path_traversal_prevention_absolute(self, client: TestClient):
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"""Test that absolute path attempts are prevented."""
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with patch("app.api.files.process_document.delay") as mock_process:
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mock_task = MagicMock()
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mock_task.id = "test-task-security-002"
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mock_process.return_value = mock_task
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malicious_filename = "/etc/shadow.pdf"
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pdf_content = b"%PDF-1.4\n%EOF"
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response = client.post(
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"/api/ui-upload",
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files={"file": (malicious_filename, io.BytesIO(pdf_content), "application/pdf")}
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)
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assert response.status_code == 200
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data = response.json()
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# Only the basename should be kept
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assert data["original_filename"] == "shadow.pdf"
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assert not data["stored_filename"].startswith("/")
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def test_filename_with_special_characters(self, client: TestClient):
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"""Test handling of filenames with special characters."""
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with patch("app.api.files.process_document.delay") as mock_process:
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mock_task = MagicMock()
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mock_task.id = "test-task-special-003"
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mock_process.return_value = mock_task
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special_filename = "file name with spaces & special!@#chars.pdf"
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pdf_content = b"%PDF-1.4\n%EOF"
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response = client.post(
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"/api/ui-upload",
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files={"file": (special_filename, io.BytesIO(pdf_content), "application/pdf")}
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)
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assert response.status_code == 200
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data = response.json()
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# Original filename should be preserved (sanitized by basename)
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assert data["original_filename"] == special_filename
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# Stored filename should have UUID and extension
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assert data["stored_filename"].endswith(".pdf")
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@pytest.mark.integration
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class TestUploadErrorHandling:
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"""Tests for error handling during file uploads."""
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def test_upload_disk_write_failure(self, client: TestClient):
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"""Test handling of disk write failures."""
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with patch("builtins.open", side_effect=IOError("Disk full")):
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pdf_content = b"%PDF-1.4\n%EOF"
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response = client.post(
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"/api/ui-upload",
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files={"file": ("test.pdf", io.BytesIO(pdf_content), "application/pdf")}
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)
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assert response.status_code == 500
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assert "Failed to save file" in response.json()["detail"]
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def test_upload_celery_task_failure(self, client: TestClient):
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"""Test handling when Celery task queueing fails."""
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with patch("app.api.files.process_document.delay", side_effect=Exception("Celery connection failed")):
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pdf_content = b"%PDF-1.4\n%EOF"
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# The endpoint should still handle the error gracefully
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# In this case, the exception will propagate
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with pytest.raises(Exception):
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client.post(
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"/api/ui-upload",
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files={"file": ("test.pdf", io.BytesIO(pdf_content), "application/pdf")}
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)
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@pytest.mark.integration
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class TestUploadFilenameHandling:
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"""Tests for filename handling and UUID generation."""
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def test_unique_filename_generation(self, client: TestClient):
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"""Test that uploaded files get unique UUIDs."""
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with patch("app.api.files.process_document.delay") as mock_process:
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mock_task = MagicMock()
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mock_task.id = "test-task-uuid-001"
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mock_process.return_value = mock_task
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pdf_content = b"%PDF-1.4\n%EOF"
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# Upload same file twice
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response1 = client.post(
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"/api/ui-upload",
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files={"file": ("same.pdf", io.BytesIO(pdf_content), "application/pdf")}
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)
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response2 = client.post(
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"/api/ui-upload",
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files={"file": ("same.pdf", io.BytesIO(pdf_content), "application/pdf")}
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)
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assert response1.status_code == 200
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assert response2.status_code == 200
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data1 = response1.json()
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data2 = response2.json()
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# Original filenames should be the same
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assert data1["original_filename"] == data2["original_filename"] == "same.pdf"
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# But stored filenames should be different (unique UUIDs)
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assert data1["stored_filename"] != data2["stored_filename"]
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def test_filename_without_extension(self, client: TestClient):
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"""Test handling of files without extensions."""
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-noext-002"
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mock_convert.return_value = mock_task
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content = b"Some content"
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response = client.post(
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"/api/ui-upload",
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files={"file": ("NOEXTENSION", io.BytesIO(content), "application/octet-stream")}
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)
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assert response.status_code == 200
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data = response.json()
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assert data["original_filename"] == "NOEXTENSION"
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# Stored filename should be just the UUID without extension
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assert "." not in data["stored_filename"] or data["stored_filename"].count(".") == 0
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@pytest.mark.integration
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class TestUploadMimeTypeDetection:
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"""Tests for MIME type detection and routing."""
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def test_pdf_by_extension_only(self, client: TestClient):
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"""Test PDF detection by file extension when MIME type is generic."""
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with patch("app.api.files.process_document.delay") as mock_process:
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mock_task = MagicMock()
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mock_task.id = "test-task-mime-001"
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mock_process.return_value = mock_task
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pdf_content = b"%PDF-1.4\n%EOF"
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response = client.post(
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"/api/ui-upload",
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files={"file": ("doc.pdf", io.BytesIO(pdf_content), "application/octet-stream")}
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)
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assert response.status_code == 200
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# Should route to process_document (not convert_to_pdf) based on extension
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mock_process.assert_called_once()
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def test_image_by_extension(self, client: TestClient):
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"""Test image detection by file extension."""
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with patch("app.api.files.convert_to_pdf.delay") as mock_convert:
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mock_task = MagicMock()
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mock_task.id = "test-task-mime-002"
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mock_convert.return_value = mock_task
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# Generic binary content with image extension
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image_content = b"\x00\x01\x02\x03"
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response = client.post(
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"/api/ui-upload",
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files={"file": ("photo.jpg", io.BytesIO(image_content), "application/octet-stream")}
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)
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assert response.status_code == 200
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# Should route to convert_to_pdf based on .jpg extension
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mock_convert.assert_called_once()
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