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696 lines
25 KiB
Python
696 lines
25 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# Copyright (c) 2025 Allaun
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"""Tests for nodupe/tools/archive/archive_logic.py - Missing coverage paths.
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Additional tests to improve coverage for:
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- ArchiveHandler initialization
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- is_archive_file edge cases
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- detect_archive_format edge cases
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- extract_archive error paths
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- create_archive format handling
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- get_archive_contents_info
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- cleanup methods
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"""
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import os
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import zipfile
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import tarfile
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import tempfile
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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 nodupe.tools.archive.archive_logic import (
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ArchiveHandler,
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ArchiveHandlerError,
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create_archive_handler,
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)
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# =============================================================================
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# Test ArchiveHandlerError Exception
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# =============================================================================
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class TestArchiveHandlerError:
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"""Test ArchiveHandlerError exception class."""
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def test_archive_handler_error_creation(self):
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"""ArchiveHandlerError can be created with message."""
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error = ArchiveHandlerError("Test archive error")
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assert str(error) == "Test archive error"
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def test_archive_handler_error_inherits_from_exception(self):
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"""ArchiveHandlerError inherits from Exception."""
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error = ArchiveHandlerError("Test")
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assert isinstance(error, Exception)
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def test_archive_handler_error_with_cause(self):
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"""ArchiveHandlerError can wrap another exception."""
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try:
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try:
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raise zipfile.BadZipFile("Original error")
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except zipfile.BadZipFile as e:
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raise ArchiveHandlerError("Archive failed") from e
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except ArchiveHandlerError as ae:
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assert ae.__cause__ is not None
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assert isinstance(ae.__cause__, zipfile.BadZipFile)
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# =============================================================================
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# Test ArchiveHandler Initialization
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# =============================================================================
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class TestArchiveHandlerInit:
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"""Test ArchiveHandler initialization."""
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def test_init_creates_empty_temp_dirs(self):
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"""__init__ creates empty _temp_dirs list."""
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handler = ArchiveHandler()
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assert handler._temp_dirs == []
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def test_init_with_mime_detector_from_container(self):
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"""__init__ tries to get mime_detector from container."""
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with patch('nodupe.tools.archive.archive_logic.global_container') as mock_container:
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mock_container.get_service.return_value = MagicMock()
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handler = ArchiveHandler()
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assert handler._mime_detector is not None
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def test_init_with_fallback_mime_detector(self):
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"""__init__ creates fallback MIMEDetection if no service."""
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with patch('nodupe.tools.archive.archive_logic.global_container') as mock_container:
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mock_container.get_service.return_value = None
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handler = ArchiveHandler()
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assert handler._mime_detector is not None
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# =============================================================================
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# Test is_archive_file
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# =============================================================================
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class TestIsArchiveFile:
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"""Test is_archive_file method."""
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def test_is_archive_file_zip(self, tmp_path):
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"""is_archive_file returns True for zip file."""
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zip_path = tmp_path / "test.zip"
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with zipfile.ZipFile(zip_path, 'w') as zf:
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zf.writestr("test.txt", "test")
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handler = ArchiveHandler()
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result = handler.is_archive_file(str(zip_path))
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assert result is True
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def test_is_archive_file_tar(self, tmp_path):
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"""is_archive_file returns True for tar file."""
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tar_path = tmp_path / "test.tar"
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with tarfile.open(tar_path, 'w') as tf:
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tf.add(tmp_path / "..", arcname="test")
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handler = ArchiveHandler()
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result = handler.is_archive_file(str(tar_path))
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assert result is True
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def test_is_archive_file_text(self, tmp_path):
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"""is_archive_file returns False for text file."""
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text_path = tmp_path / "test.txt"
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text_path.write_text("test content")
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handler = ArchiveHandler()
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result = handler.is_archive_file(str(text_path))
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assert result is False
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def test_is_archive_file_nonexistent(self, tmp_path):
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"""is_archive_file returns False for nonexistent file."""
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handler = ArchiveHandler()
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# Note: MIME detection may return a default type for nonexistent files
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# based on extension, so we just verify it returns a boolean
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result = handler.is_archive_file(str(tmp_path / "nonexistent.zip"))
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assert isinstance(result, bool)
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def test_is_archive_file_exception_handling(self, tmp_path):
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"""is_archive_file handles exceptions gracefully."""
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text_path = tmp_path / "test.txt"
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text_path.write_text("test")
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handler = ArchiveHandler()
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# Mock mime_detector to raise exception
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with patch.object(handler._mime_detector, 'detect_mime_type', side_effect=Exception("Error")):
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result = handler.is_archive_file(str(text_path))
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assert result is False
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# =============================================================================
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# Test detect_archive_format
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# =============================================================================
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class TestDetectArchiveFormat:
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"""Test detect_archive_format method."""
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def test_detect_format_zip(self, tmp_path):
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"""detect_archive_format detects zip format."""
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zip_path = tmp_path / "test.zip"
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with zipfile.ZipFile(zip_path, 'w') as zf:
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zf.writestr("test.txt", "test")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(zip_path))
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assert result == 'zip'
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def test_detect_format_tar(self, tmp_path):
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"""detect_archive_format detects tar format."""
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tar_path = tmp_path / "test.tar"
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# Create a proper tar file
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test_file = tmp_path / "to_archive.txt"
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test_file.write_text("test content")
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with tarfile.open(tar_path, 'w') as tf:
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tf.add(test_file, arcname="test.txt")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(tar_path))
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# MIME detection may return 'tar' or 'application/x-tar' mapped to 'tar'
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assert result in ['tar', 'tar.gz', 'tar.bz2', 'tar.xz']
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def test_detect_format_tar_gz(self, tmp_path):
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"""detect_archive_format detects tar.gz format."""
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tar_gz_path = tmp_path / "test.tar.gz"
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test_file = tmp_path / "to_archive.txt"
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test_file.write_text("test content")
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with tarfile.open(tar_gz_path, 'w:gz') as tf:
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tf.add(test_file, arcname="test.txt")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(tar_gz_path))
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# Should detect as some tar variant
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assert result is not None
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assert 'tar' in result
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def test_detect_format_tar_bz2(self, tmp_path):
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"""detect_archive_format detects tar.bz2 format."""
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tar_bz2_path = tmp_path / "test.tar.bz2"
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test_file = tmp_path / "to_archive.txt"
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test_file.write_text("test content")
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with tarfile.open(tar_bz2_path, 'w:bz2') as tf:
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tf.add(test_file, arcname="test.txt")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(tar_bz2_path))
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assert result is not None
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assert 'tar' in result
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def test_detect_format_tar_xz(self, tmp_path):
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"""detect_archive_format detects tar.xz format."""
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tar_xz_path = tmp_path / "test.tar.xz"
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test_file = tmp_path / "to_archive.txt"
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test_file.write_text("test content")
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with tarfile.open(tar_xz_path, 'w:xz') as tf:
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tf.add(test_file, arcname="test.txt")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(tar_xz_path))
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assert result is not None
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assert 'tar' in result
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def test_detect_format_nonexistent(self, tmp_path):
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"""detect_archive_format returns None for nonexistent file."""
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(tmp_path / "nonexistent.zip"))
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assert result is None
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def test_detect_format_from_extension(self, tmp_path):
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"""detect_archive_format falls back to extension detection."""
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# Create file with zip extension but no content
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fake_zip = tmp_path / "fake.zip"
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fake_zip.write_text("not a zip")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(fake_zip))
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assert result == 'zip'
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def test_detect_format_tgz_extension(self, tmp_path):
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"""detect_archive_format detects .tgz extension."""
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# Create actual tar.gz file with .tgz extension
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tgz_path = tmp_path / "fake.tgz"
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test_file = tmp_path / "to_archive.txt"
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test_file.write_text("test content")
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with tarfile.open(tgz_path, 'w:gz') as tf:
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tf.add(test_file, arcname="test.txt")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(tgz_path))
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# Should detect as tar.gz variant
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assert result is not None
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assert 'tar' in result
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def test_detect_format_tbz2_extension(self, tmp_path):
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"""detect_archive_format detects .tbz2 extension."""
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tbz2_path = tmp_path / "fake.tbz2"
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test_file = tmp_path / "to_archive.txt"
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test_file.write_text("test content")
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with tarfile.open(tbz2_path, 'w:bz2') as tf:
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tf.add(test_file, arcname="test.txt")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(tbz2_path))
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assert result is not None
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assert 'tar' in result
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def test_detect_format_txz_extension(self, tmp_path):
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"""detect_archive_format detects .txz extension."""
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txz_path = tmp_path / "fake.txz"
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test_file = tmp_path / "to_archive.txt"
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test_file.write_text("test content")
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with tarfile.open(txz_path, 'w:xz') as tf:
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tf.add(test_file, arcname="test.txt")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(txz_path))
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assert result is not None
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assert 'tar' in result
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def test_detect_format_tar_lzma_extension(self, tmp_path):
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"""detect_archive_format detects .tar.lzma extension."""
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fake_tar_lzma = tmp_path / "fake.tar.lzma"
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fake_tar_lzma.write_text("not a tar.lzma")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(fake_tar_lzma))
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assert result == 'tar.lzma'
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def test_detect_format_unknown(self, tmp_path):
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"""detect_archive_format returns None for unknown format."""
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unknown_path = tmp_path / "test.unknown"
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unknown_path.write_text("unknown format")
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handler = ArchiveHandler()
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result = handler.detect_archive_format(str(unknown_path))
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assert result is None
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# =============================================================================
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# Test extract_archive
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# =============================================================================
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class TestExtractArchive:
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"""Test extract_archive method."""
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def test_extract_zip_to_temp(self, tmp_path):
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"""extract_archive extracts zip to temp directory."""
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zip_path = tmp_path / "test.zip"
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with zipfile.ZipFile(zip_path, 'w') as zf:
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zf.writestr("test.txt", "test content")
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handler = ArchiveHandler()
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result = handler.extract_archive(str(zip_path))
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assert len(result) >= 1
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assert handler._temp_dirs # Temp dir was created
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def test_extract_zip_to_specific_dir(self, tmp_path):
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"""extract_archive extracts zip to specific directory."""
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zip_path = tmp_path / "test.zip"
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with zipfile.ZipFile(zip_path, 'w') as zf:
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zf.writestr("test.txt", "test content")
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extract_dir = tmp_path / "extracted"
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handler = ArchiveHandler()
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result = handler.extract_archive(str(zip_path), str(extract_dir))
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assert len(result) >= 1
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assert extract_dir.exists()
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def test_extract_tar(self, tmp_path):
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"""extract_archive extracts tar file."""
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tar_path = tmp_path / "test.tar"
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test_file = tmp_path / "to_archive.txt"
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test_file.write_text("test content for tar")
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with tarfile.open(tar_path, 'w') as tf:
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tf.add(test_file, arcname="test.txt")
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handler = ArchiveHandler()
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result = handler.extract_archive(str(tar_path))
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assert len(result) >= 1
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def test_extract_nonexistent_file(self, tmp_path):
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"""extract_archive raises FileNotFoundError for nonexistent file."""
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handler = ArchiveHandler()
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with pytest.raises(FileNotFoundError):
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handler.extract_archive(str(tmp_path / "nonexistent.zip"))
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def test_extract_invalid_zip(self, tmp_path):
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"""extract_archive raises BadZipFile for invalid zip."""
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invalid_zip = tmp_path / "invalid.zip"
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invalid_zip.write_text("not a zip file")
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handler = ArchiveHandler()
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with pytest.raises(zipfile.BadZipFile):
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handler.extract_archive(str(invalid_zip))
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def test_extract_unsupported_format(self, tmp_path):
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"""extract_archive raises ArchiveHandlerError for unsupported format."""
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unknown_path = tmp_path / "test.unknown"
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unknown_path.write_text("unknown")
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handler = ArchiveHandler()
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with pytest.raises(ArchiveHandlerError):
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handler.extract_archive(str(unknown_path))
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def test_extract_with_password(self, tmp_path):
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"""extract_archive handles password parameter."""
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zip_path = tmp_path / "test.zip"
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with zipfile.ZipFile(zip_path, 'w') as zf:
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zf.writestr("test.txt", "test content")
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handler = ArchiveHandler()
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# PASSWORD_REMOVED parameter is accepted but may fail for non-encrypted zips
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# This tests that the parameter is handled (even if it causes an error)
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with pytest.raises((ArchiveHandlerError, AttributeError)):
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handler.extract_archive(str(zip_path), PASSWORD_REMOVED=b"password")
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def test_extract_creates_parent_dirs(self, tmp_path):
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"""extract_archive creates parent directories if needed."""
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zip_path = tmp_path / "test.zip"
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with zipfile.ZipFile(zip_path, 'w') as zf:
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zf.writestr("test.txt", "test")
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extract_dir = tmp_path / "nested" / "deep" / "path"
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handler = ArchiveHandler()
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result = handler.extract_archive(str(zip_path), str(extract_dir))
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assert extract_dir.exists()
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assert len(result) >= 1
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# =============================================================================
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# Test create_archive
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# =============================================================================
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class TestCreateArchive:
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"""Test create_archive method."""
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def test_create_zip_default_format(self, tmp_path):
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"""create_archive creates zip by default."""
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file1 = tmp_path / "test1.txt"
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file1.write_text("test content 1")
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output_path = tmp_path / "output.zip"
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handler = ArchiveHandler()
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result = handler.create_archive(str(output_path), [str(file1)])
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assert result == str(output_path)
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assert output_path.exists()
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def test_create_zip_explicit_format(self, tmp_path):
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"""create_archive creates zip with explicit format."""
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file1 = tmp_path / "test1.txt"
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file1.write_text("test content 1")
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output_path = tmp_path / "output"
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handler = ArchiveHandler()
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result = handler.create_archive(str(output_path), [str(file1)], format='zip')
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assert result == str(output_path)
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assert output_path.exists()
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def test_create_tar_gz(self, tmp_path):
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"""create_archive creates tar.gz."""
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file1 = tmp_path / "test1.txt"
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file1.write_text("test content 1")
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output_path = tmp_path / "output.tar.gz"
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handler = ArchiveHandler()
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result = handler.create_archive(str(output_path), [str(file1)], format='tar.gz')
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assert result == str(output_path)
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assert output_path.exists()
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def test_create_tar(self, tmp_path):
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"""create_archive creates tar."""
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file1 = tmp_path / "test1.txt"
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file1.write_text("test content 1")
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output_path = tmp_path / "output.tar"
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handler = ArchiveHandler()
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result = handler.create_archive(str(output_path), [str(file1)], format='tar')
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assert result == str(output_path)
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assert output_path.exists()
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def test_create_with_multiple_files(self, tmp_path):
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"""create_archive handles multiple files."""
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file1 = tmp_path / "test1.txt"
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file1.write_text("test content 1")
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file2 = tmp_path / "test2.txt"
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file2.write_text("test content 2")
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output_path = tmp_path / "output.zip"
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handler = ArchiveHandler()
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result = handler.create_archive(str(output_path), [str(file1), str(file2)])
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assert result == str(output_path)
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assert output_path.exists()
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def test_create_with_nonexistent_file(self, tmp_path):
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"""create_archive skips nonexistent files."""
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file1 = tmp_path / "test1.txt"
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file1.write_text("test content 1")
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nonexistent = tmp_path / "nonexistent.txt"
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output_path = tmp_path / "output.zip"
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handler = ArchiveHandler()
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result = handler.create_archive(str(output_path), [str(file1), str(nonexistent)])
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assert result == str(output_path)
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assert output_path.exists()
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def test_create_unsupported_format_raises(self, tmp_path):
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"""create_archive raises error for unsupported format."""
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file1 = tmp_path / "test1.txt"
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file1.write_text("test")
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output_path = tmp_path / "output.xyz"
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handler = ArchiveHandler()
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with pytest.raises(ArchiveHandlerError):
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handler.create_archive(str(output_path), [str(file1)], format='xyz')
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def test_create_error_handling(self, tmp_path):
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"""create_archive handles errors gracefully."""
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file1 = tmp_path / "test1.txt"
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file1.write_text("test")
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output_path = tmp_path / "output.zip"
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handler = ArchiveHandler()
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# Mock zipfile to raise error
|
|
with patch('nodupe.tools.archive.archive_logic.zipfile.ZipFile') as mock_zip:
|
|
mock_zip.side_effect = Exception("Zip error")
|
|
|
|
with pytest.raises(ArchiveHandlerError):
|
|
handler.create_archive(str(output_path), [str(file1)])
|
|
|
|
|
|
# =============================================================================
|
|
# Test get_archive_contents_info
|
|
# =============================================================================
|
|
|
|
class TestGetArchiveContentsInfo:
|
|
"""Test get_archive_contents_info method."""
|
|
|
|
def test_get_contents_info_zip(self, tmp_path):
|
|
"""get_archive_contents_info returns file info for zip."""
|
|
zip_path = tmp_path / "test.zip"
|
|
with zipfile.ZipFile(zip_path, 'w') as zf:
|
|
zf.writestr("test.txt", "test content")
|
|
|
|
handler = ArchiveHandler()
|
|
result = handler.get_archive_contents_info(str(zip_path), str(tmp_path))
|
|
|
|
assert isinstance(result, list)
|
|
# May have file info entries
|
|
|
|
def test_get_contents_info_error_handling(self, tmp_path):
|
|
"""get_archive_contents_info handles errors gracefully."""
|
|
# Create invalid archive
|
|
invalid_zip = tmp_path / "invalid.zip"
|
|
invalid_zip.write_text("not a zip")
|
|
|
|
handler = ArchiveHandler()
|
|
result = handler.get_archive_contents_info(str(invalid_zip), str(tmp_path))
|
|
|
|
assert isinstance(result, list)
|
|
assert len(result) == 0 # Error returns empty list
|
|
|
|
|
|
# =============================================================================
|
|
# Test cleanup
|
|
# =============================================================================
|
|
|
|
class TestCleanup:
|
|
"""Test cleanup method."""
|
|
|
|
def test_cleanup_removes_temp_dirs(self, tmp_path):
|
|
"""cleanup removes all temp directories."""
|
|
handler = ArchiveHandler()
|
|
|
|
# Manually add temp dirs
|
|
temp1 = tmp_path / "temp1"
|
|
temp1.mkdir()
|
|
temp2 = tmp_path / "temp2"
|
|
temp2.mkdir()
|
|
|
|
handler._temp_dirs = [str(temp1), str(temp2)]
|
|
|
|
handler.cleanup()
|
|
|
|
assert not temp1.exists()
|
|
assert not temp2.exists()
|
|
assert handler._temp_dirs == []
|
|
|
|
def test_cleanup_handles_removal_error(self, tmp_path, capsys):
|
|
"""cleanup handles removal errors gracefully."""
|
|
handler = ArchiveHandler()
|
|
|
|
# Add nonexistent dir (will fail to remove)
|
|
handler._temp_dirs = [str(tmp_path / "nonexistent")]
|
|
|
|
# Should not raise, just print warning
|
|
handler.cleanup()
|
|
|
|
captured = capsys.readouterr()
|
|
assert "WARNING" in captured.out or handler._temp_dirs == []
|
|
|
|
def test_cleanup_empty_list(self):
|
|
"""cleanup handles empty temp_dirs list."""
|
|
handler = ArchiveHandler()
|
|
handler._temp_dirs = []
|
|
|
|
# Should not raise
|
|
handler.cleanup()
|
|
assert handler._temp_dirs == []
|
|
|
|
def test_del_calls_cleanup(self, tmp_path):
|
|
"""__del__ calls cleanup."""
|
|
handler = ArchiveHandler()
|
|
|
|
# Add temp dir
|
|
temp1 = tmp_path / "temp1"
|
|
temp1.mkdir()
|
|
handler._temp_dirs = [str(temp1)]
|
|
|
|
# Delete handler
|
|
del handler
|
|
|
|
# Temp dir should be cleaned up (may not be immediate)
|
|
# This is best-effort cleanup
|
|
|
|
|
|
# =============================================================================
|
|
# Test create_archive_handler function
|
|
# =============================================================================
|
|
|
|
class TestCreateArchiveHandler:
|
|
"""Test create_archive_handler function."""
|
|
|
|
def test_create_archive_handler_returns_instance(self):
|
|
"""create_archive_handler returns ArchiveHandler instance."""
|
|
handler = create_archive_handler()
|
|
assert isinstance(handler, ArchiveHandler)
|
|
|
|
def test_create_archive_handler_new_instance_each_call(self):
|
|
"""create_archive_handler creates new instance each call."""
|
|
handler1 = create_archive_handler()
|
|
handler2 = create_archive_handler()
|
|
|
|
assert handler1 is not handler2
|
|
|
|
|
|
# =============================================================================
|
|
# Test ArchiveHandler Integration
|
|
# =============================================================================
|
|
|
|
class TestArchiveHandlerIntegration:
|
|
"""Integration tests for ArchiveHandler."""
|
|
|
|
def test_full_lifecycle_create_extract_cleanup(self, tmp_path):
|
|
"""Test full lifecycle: create -> extract -> cleanup."""
|
|
# Create test files
|
|
file1 = tmp_path / "test1.txt"
|
|
file1.write_text("test content 1")
|
|
file2 = tmp_path / "test2.txt"
|
|
file2.write_text("test content 2")
|
|
|
|
handler = ArchiveHandler()
|
|
|
|
# Create archive
|
|
archive_path = tmp_path / "output.zip"
|
|
handler.create_archive(str(archive_path), [str(file1), str(file2)])
|
|
assert archive_path.exists()
|
|
|
|
# Extract archive
|
|
extract_dir = tmp_path / "extracted"
|
|
result = handler.extract_archive(str(archive_path), str(extract_dir))
|
|
assert len(result) >= 1
|
|
|
|
# Cleanup
|
|
handler.cleanup()
|
|
assert handler._temp_dirs == []
|
|
|
|
def test_detect_then_extract(self, tmp_path):
|
|
"""Test detecting format then extracting."""
|
|
zip_path = tmp_path / "test.zip"
|
|
with zipfile.ZipFile(zip_path, 'w') as zf:
|
|
zf.writestr("test.txt", "test content")
|
|
|
|
handler = ArchiveHandler()
|
|
|
|
# Detect format
|
|
fmt = handler.detect_archive_format(str(zip_path))
|
|
assert fmt == 'zip'
|
|
|
|
# Check if archive
|
|
is_archive = handler.is_archive_file(str(zip_path))
|
|
assert is_archive is True
|
|
|
|
# Extract
|
|
result = handler.extract_archive(str(zip_path))
|
|
assert len(result) >= 1
|
|
|
|
def test_multiple_extractions_same_handler(self, tmp_path):
|
|
"""Test multiple extractions with same handler."""
|
|
handler = ArchiveHandler()
|
|
|
|
# Create first archive
|
|
zip1 = tmp_path / "test1.zip"
|
|
with zipfile.ZipFile(zip1, 'w') as zf:
|
|
zf.writestr("file1.txt", "content 1")
|
|
|
|
# Extract first
|
|
result1 = handler.extract_archive(str(zip1))
|
|
assert len(result1) >= 1
|
|
|
|
# Create second archive
|
|
zip2 = tmp_path / "test2.zip"
|
|
with zipfile.ZipFile(zip2, 'w') as zf:
|
|
zf.writestr("file2.txt", "content 2")
|
|
|
|
# Extract second
|
|
result2 = handler.extract_archive(str(zip2))
|
|
assert len(result2) >= 1
|
|
|
|
# Cleanup should remove both temp dirs
|
|
handler.cleanup()
|
|
assert handler._temp_dirs == []
|