Files
webref/backend/tests/images/test_validation.py
Danilo Reyes 010df31455 phase 5
2025-11-02 11:07:42 -06:00

83 lines
2.8 KiB
Python

"""Tests for file validation."""
import io
from unittest.mock import AsyncMock, Mock
import pytest
from fastapi import HTTPException, UploadFile
from app.images.validation import sanitize_filename, validate_image_file
class TestSanitizeFilename:
"""Tests for filename sanitization."""
def test_sanitize_normal_filename(self):
"""Test sanitizing normal filename."""
assert sanitize_filename("image.jpg") == "image.jpg"
assert sanitize_filename("my_photo-2025.png") == "my_photo-2025.png"
def test_sanitize_path_traversal(self):
"""Test preventing path traversal."""
assert "/" not in sanitize_filename("../../../etc/passwd")
assert "\\" not in sanitize_filename("..\\..\\..\\windows\\system32")
def test_sanitize_special_characters(self):
"""Test removing special characters."""
result = sanitize_filename("file name with spaces!@#.jpg")
assert " " not in result or result == "file_name_with_spaces___.jpg"
def test_sanitize_long_filename(self):
"""Test truncating long filenames."""
long_name = "a" * 300 + ".jpg"
result = sanitize_filename(long_name)
assert len(result) <= 255
assert result.endswith(".jpg")
@pytest.mark.asyncio
class TestValidateImageFile:
"""Tests for image file validation."""
async def test_validate_empty_file(self):
"""Test rejection of empty files."""
mock_file = AsyncMock(spec=UploadFile)
mock_file.read = AsyncMock(return_value=b"")
mock_file.seek = AsyncMock()
mock_file.filename = "empty.jpg"
with pytest.raises(HTTPException) as exc:
await validate_image_file(mock_file)
assert exc.value.status_code == 400
assert "empty" in exc.value.detail.lower()
async def test_validate_file_too_large(self):
"""Test rejection of oversized files."""
# Create 60MB file
large_data = b"x" * (60 * 1024 * 1024)
mock_file = AsyncMock(spec=UploadFile)
mock_file.read = AsyncMock(return_value=large_data)
mock_file.seek = AsyncMock()
mock_file.filename = "large.jpg"
with pytest.raises(HTTPException) as exc:
await validate_image_file(mock_file)
assert exc.value.status_code == 413
assert "too large" in exc.value.detail.lower()
async def test_validate_invalid_extension(self):
"""Test rejection of invalid extensions."""
mock_file = AsyncMock(spec=UploadFile)
mock_file.read = AsyncMock(return_value=b"fake image data")
mock_file.seek = AsyncMock()
mock_file.filename = "document.pdf"
with pytest.raises(HTTPException) as exc:
await validate_image_file(mock_file)
assert exc.value.status_code == 400
assert "extension" in exc.value.detail.lower()