test_file_service.py•5.24 kB
"""Tests for file operations service."""
from pathlib import Path
from unittest.mock import patch
import pytest
from basic_memory.services.exceptions import FileOperationError
from basic_memory.services.file_service import FileService
@pytest.mark.asyncio
async def test_exists(tmp_path: Path, file_service: FileService):
"""Test file existence checking."""
# Test path
test_path = tmp_path / "test.md"
# Should not exist initially
assert not await file_service.exists(test_path)
# Create file
test_path.write_text("test content")
assert await file_service.exists(test_path)
# Delete file
test_path.unlink()
assert not await file_service.exists(test_path)
@pytest.mark.asyncio
async def test_exists_error_handling(tmp_path: Path, file_service: FileService):
"""Test error handling in exists() method."""
test_path = tmp_path / "test.md"
# Mock Path.exists to raise an error
with patch.object(Path, "exists") as mock_exists:
mock_exists.side_effect = PermissionError("Access denied")
with pytest.raises(FileOperationError) as exc_info:
await file_service.exists(test_path)
assert "Failed to check file existence" in str(exc_info.value)
@pytest.mark.asyncio
async def test_write_read_file(tmp_path: Path, file_service: FileService):
"""Test basic write/read operations with checksums."""
test_path = tmp_path / "test.md"
test_content = "test content\nwith multiple lines"
# Write file and get checksum
checksum = await file_service.write_file(test_path, test_content)
assert test_path.exists()
# Read back and verify content/checksum
content, read_checksum = await file_service.read_file(test_path)
assert content == test_content
assert read_checksum == checksum
@pytest.mark.asyncio
async def test_write_creates_directories(tmp_path: Path, file_service: FileService):
"""Test directory creation on write."""
test_path = tmp_path / "subdir" / "nested" / "test.md"
test_content = "test content"
# Write should create directories
await file_service.write_file(test_path, test_content)
assert test_path.exists()
assert test_path.parent.is_dir()
@pytest.mark.asyncio
async def test_write_atomic(tmp_path: Path, file_service: FileService):
"""Test atomic write with no partial files."""
test_path = tmp_path / "test.md"
temp_path = test_path.with_suffix(".tmp")
# Mock write_file_atomic to raise an error
with patch("basic_memory.file_utils.write_file_atomic") as mock_write:
mock_write.side_effect = Exception("Write failed")
# Attempt write that will fail
with pytest.raises(FileOperationError):
await file_service.write_file(test_path, "test content")
# No partial files should exist
assert not test_path.exists()
assert not temp_path.exists()
@pytest.mark.asyncio
async def test_delete_file(tmp_path: Path, file_service: FileService):
"""Test file deletion."""
test_path = tmp_path / "test.md"
test_content = "test content"
# Create then delete
await file_service.write_file(test_path, test_content)
assert test_path.exists()
await file_service.delete_file(test_path)
assert not test_path.exists()
# Delete non-existent file should not error
await file_service.delete_file(test_path)
@pytest.mark.asyncio
async def test_checksum_consistency(tmp_path: Path, file_service: FileService):
"""Test checksum remains consistent."""
test_path = tmp_path / "test.md"
test_content = "test content\n" * 10
# Get checksum from write
checksum1 = await file_service.write_file(test_path, test_content)
# Get checksum from read
_, checksum2 = await file_service.read_file(test_path)
# Write again and get new checksum
checksum3 = await file_service.write_file(test_path, test_content)
# All should match
assert checksum1 == checksum2 == checksum3
@pytest.mark.asyncio
async def test_error_handling_missing_file(tmp_path: Path, file_service: FileService):
"""Test error handling for missing files."""
test_path = tmp_path / "missing.md"
with pytest.raises(FileOperationError):
await file_service.read_file(test_path)
@pytest.mark.asyncio
async def test_error_handling_invalid_path(tmp_path: Path, file_service: FileService):
"""Test error handling for invalid paths."""
# Try to write to a directory instead of file
test_path = tmp_path / "test.md"
test_path.mkdir() # Create a directory instead of a file
with pytest.raises(FileOperationError):
await file_service.write_file(test_path, "test")
@pytest.mark.asyncio
async def test_write_unicode_content(tmp_path: Path, file_service: FileService):
"""Test handling of unicode content."""
test_path = tmp_path / "test.md"
test_content = """
# Test Unicode
- Emoji: 🚀 ⭐️ 🔥
- Chinese: 你好世界
- Arabic: مرحبا بالعالم
- Russian: Привет, мир
"""
# Write and read back
await file_service.write_file(test_path, test_content)
content, _ = await file_service.read_file(test_path)
assert content == test_content