xixu-me
1cad021539
Introduced new test files to improve coverage for CLI and core functionalities. Added edge case tests for CLI commands, conftest fixtures, and core archive handling, including error handling, streaming mode, and verbose listing.
417 lines
14 KiB
Python
417 lines
14 KiB
Python
"""Tests to cover missing lines in CLI and improve overall coverage."""
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import sys
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from unittest.mock import patch
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import pytest
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from tzst.cli import main, validate_files
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class TestCLIMissingLines:
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"""Test specific missing lines in CLI for improved coverage."""
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def test_validate_files_os_error_handling(self, temp_dir):
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"""Test OSError handling in validate_files function."""
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# Create a test file
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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# Mock Path.exists to raise OSError
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with patch("pathlib.Path.exists", side_effect=OSError("Permission denied")):
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# Should handle OSError gracefully and continue
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try:
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validate_files([str(test_file)])
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except OSError:
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pass # Expected to be caught and handled
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def test_main_function_edge_cases(self, temp_dir):
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"""Test main function edge cases for missing line coverage."""
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# Test with minimal arguments that might hit edge cases
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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archive_path = temp_dir / "test.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(test_file)])
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assert result == 0
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# Test version command through main
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with patch("sys.exit") as mock_exit:
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try:
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main(["--version"])
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except SystemExit:
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pass
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# Test help command variations
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with patch("sys.exit") as mock_exit:
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try:
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main(["--help"])
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except SystemExit:
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pass
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def test_command_line_argument_edge_cases(self, temp_dir):
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"""Test command line argument edge cases."""
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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# Test with various argument combinations that might hit missing lines
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archive_path = temp_dir / "test.tzst"
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# Create archive with specific compression level
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result = main(["a", str(archive_path), str(test_file), "-c", "1"])
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assert result == 0
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# Test list with streaming
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result = main(["l", str(archive_path), "--streaming"])
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assert result == 0
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# Test extract with specific options
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extract_dir = temp_dir / "extracted"
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result = main(["x", str(archive_path), "-o", str(extract_dir)])
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assert result == 0
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def test_error_handling_edge_cases(self, temp_dir):
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"""Test error handling edge cases in CLI."""
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# Test with invalid archive path
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invalid_path = temp_dir / "nonexistent" / "test.tzst"
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result = main(["l", str(invalid_path)])
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assert result == 1
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# Test with invalid compression level
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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archive_path = temp_dir / "test.tzst"
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result = main(["a", str(archive_path), str(test_file), "-c", "50"])
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assert result == 1
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def test_filter_option_edge_cases(self, temp_dir):
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"""Test filter option edge cases."""
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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archive_path = temp_dir / "test.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(test_file)])
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assert result == 0
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# Test extract with different filters
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for filter_type in ["data", "tar", "fully_trusted"]:
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extract_dir = temp_dir / f"extracted_{filter_type}"
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result = main(
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[
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"x",
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str(archive_path),
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"-o",
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str(extract_dir),
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"--filter",
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filter_type,
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]
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)
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assert result == 0
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def test_atomic_operation_edge_cases(self, temp_dir):
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"""Test atomic operation edge cases."""
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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archive_path = temp_dir / "test.tzst"
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# Test with --no-atomic flag
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result = main(["a", str(archive_path), str(test_file), "--no-atomic"])
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assert result == 0
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# Verify archive was created
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assert archive_path.exists()
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def test_verbose_output_edge_cases(self, temp_dir, capsys):
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"""Test verbose output edge cases."""
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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archive_path = temp_dir / "test.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(test_file)])
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assert result == 0
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# Test verbose list
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result = main(["l", str(archive_path), "-v"])
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assert result == 0
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captured = capsys.readouterr()
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assert len(captured.out) > 0
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def test_command_validation_edge_cases(self):
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"""Test command validation edge cases."""
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# Test with empty arguments
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result = main([])
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assert result == 1
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# Test with invalid command
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result = main(["invalid_command"])
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assert result == 1
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@pytest.mark.skipif(sys.platform != "win32", reason="Windows-specific test")
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def test_windows_specific_functionality(self, temp_dir):
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"""Test Windows-specific functionality."""
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# Test Windows reserved names
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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archive_path = temp_dir / "test.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(test_file)])
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assert result == 0
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# Test with Windows path separators
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windows_style_path = str(archive_path).replace("/", "\\")
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result = main(["l", windows_style_path])
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assert result == 0
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def test_streaming_mode_edge_cases(self, temp_dir):
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"""Test streaming mode edge cases."""
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# Create a larger file for streaming tests
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large_file = temp_dir / "large.txt"
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large_file.write_text("x" * 10000) # 10KB file
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archive_path = temp_dir / "streaming.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(large_file)])
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assert result == 0
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# Test all commands with streaming
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result = main(["l", str(archive_path), "--streaming"])
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assert result == 0
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result = main(["t", str(archive_path), "--streaming"])
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assert result == 0
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extract_dir = temp_dir / "extracted_streaming"
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result = main(["x", str(archive_path), "-o", str(extract_dir), "--streaming"])
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assert result == 0
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def test_compression_level_boundary_values(self, temp_dir):
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"""Test compression level boundary values."""
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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# Test minimum compression level
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archive_path_min = temp_dir / "min_compression.tzst"
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result = main(["a", str(archive_path_min), str(test_file), "-c", "1"])
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assert result == 0
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# Test maximum compression level
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archive_path_max = temp_dir / "max_compression.tzst"
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result = main(["a", str(archive_path_max), str(test_file), "-c", "22"])
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assert result == 0
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def test_output_directory_creation_edge_cases(self, temp_dir):
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"""Test output directory creation edge cases."""
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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archive_path = temp_dir / "test.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(test_file)])
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assert result == 0
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# Test extraction to nested directory that doesn't exist
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nested_extract_dir = temp_dir / "level1" / "level2" / "level3"
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result = main(["x", str(archive_path), "-o", str(nested_extract_dir)])
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assert result == 0
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# Verify directory was created
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assert nested_extract_dir.exists()
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def test_special_file_handling_edge_cases(self, temp_dir):
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"""Test special file handling edge cases."""
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# Create files with special characteristics
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empty_file = temp_dir / "empty.txt"
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empty_file.touch()
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binary_file = temp_dir / "binary.bin"
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binary_file.write_bytes(b"\x00\x01\x02\x03\xff")
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unicode_file = temp_dir / "unicode.txt"
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unicode_file.write_text("Hello 世界 🌍", encoding="utf-8")
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archive_path = temp_dir / "special.tzst"
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# Create archive with special files
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result = main(
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[
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"a",
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str(archive_path),
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str(empty_file),
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str(binary_file),
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str(unicode_file),
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]
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)
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assert result == 0
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# Test list and extract
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result = main(["l", str(archive_path)])
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assert result == 0
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extract_dir = temp_dir / "extracted_special"
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result = main(["x", str(archive_path), "-o", str(extract_dir)])
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assert result == 0
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class TestPlatformSpecificMissingLines:
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"""Test platform-specific functionality to improve coverage."""
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@pytest.mark.skipif(
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sys.platform != "win32", reason="Windows-specific functionality"
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)
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def test_windows_long_path_edge_cases(self, temp_dir):
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"""Test Windows long path handling edge cases."""
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# Create a very deep directory structure
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deep_dir = temp_dir
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for i in range(10):
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deep_dir = deep_dir / f"very_long_directory_name_{i}"
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deep_dir.mkdir(parents=True, exist_ok=True)
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deep_file = deep_dir / "deep_file.txt"
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deep_file.write_text("Content in deeply nested file")
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archive_path = temp_dir / "deep.tzst"
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# Test archiving deep structure
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result = main(["a", str(archive_path), str(deep_file)])
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assert result == 0
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# Test extraction
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extract_dir = temp_dir / "extracted_deep"
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result = main(["x", str(archive_path), "-o", str(extract_dir)])
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assert result == 0
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@pytest.mark.skipif(
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sys.platform != "win32", reason="Windows-specific functionality"
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)
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def test_windows_reserved_names_edge_cases(self, temp_dir):
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"""Test Windows reserved names edge cases."""
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# Test with files that have problematic names on Windows
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normal_file = temp_dir / "normal.txt"
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normal_file.write_text("normal content")
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# File with trailing space (problematic on Windows)
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space_file = temp_dir / "file_with_space .txt"
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space_file.write_text("space content")
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archive_path = temp_dir / "reserved.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(normal_file), str(space_file)])
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assert result == 0
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def test_unicode_handling_edge_cases(self, temp_dir):
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"""Test unicode handling edge cases."""
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# Create files with various unicode content
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files_to_create = [
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("chinese.txt", "你好世界"),
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("emoji.txt", "🎉🌟💫"),
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("mixed.txt", "Hello 世界! 🌍 Мир"),
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("special_chars.txt", "àáâãäåæçèéêë"),
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]
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created_files = []
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for filename, content in files_to_create:
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file_path = temp_dir / filename
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file_path.write_text(content, encoding="utf-8")
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created_files.append(file_path)
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archive_path = temp_dir / "unicode.tzst"
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# Create archive
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file_args = [str(f) for f in created_files]
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result = main(["a", str(archive_path)] + file_args)
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assert result == 0
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# Test extraction
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extract_dir = temp_dir / "extracted_unicode"
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result = main(["x", str(archive_path), "-o", str(extract_dir)])
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assert result == 0
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# Verify unicode content is preserved
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for filename, original_content in files_to_create:
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extracted_file = extract_dir / filename
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assert extracted_file.exists()
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extracted_content = extracted_file.read_text(encoding="utf-8")
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assert extracted_content == original_content
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def test_performance_edge_cases(self, temp_dir):
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"""Test performance-related edge cases."""
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# Create many small files
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files = []
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for i in range(50): # Create 50 small files
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file_path = temp_dir / f"small_{i:03d}.txt"
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file_path.write_text(f"Content of file {i}")
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files.append(file_path)
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archive_path = temp_dir / "many_files.tzst"
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# Create archive with many files
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file_args = [str(f) for f in files]
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result = main(["a", str(archive_path)] + file_args)
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assert result == 0
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# Test listing (should handle many files efficiently)
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result = main(["l", str(archive_path)])
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assert result == 0
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# Test extraction
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extract_dir = temp_dir / "extracted_many"
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result = main(["x", str(archive_path), "-o", str(extract_dir)])
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assert result == 0
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def test_error_recovery_edge_cases(self, temp_dir):
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"""Test error recovery edge cases."""
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test_file = temp_dir / "test.txt"
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test_file.write_text("test content")
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archive_path = temp_dir / "test.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(test_file)])
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assert result == 0
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# Test with readonly archive
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archive_path.chmod(0o444) # Make read-only
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try:
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# Should handle read-only archive gracefully
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result = main(["l", str(archive_path)])
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assert result == 0
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finally:
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# Restore write permissions for cleanup
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archive_path.chmod(0o644)
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def test_cross_platform_compatibility(self, temp_dir):
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"""Test cross-platform compatibility features."""
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# Create files with various characteristics
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text_file = temp_dir / "text.txt"
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text_file.write_text("Cross-platform text content\n")
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binary_file = temp_dir / "binary.dat"
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binary_file.write_bytes(bytes(range(256)))
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archive_path = temp_dir / "cross_platform.tzst"
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# Create archive
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result = main(["a", str(archive_path), str(text_file), str(binary_file)])
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assert result == 0
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# Test with different compression levels
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for level in [1, 11, 22]:
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archive_path_level = temp_dir / f"cross_platform_level_{level}.tzst"
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result = main(
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["a", str(archive_path_level), str(text_file), "-c", str(level)]
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)
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assert result == 0
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# Verify can be read back
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result = main(["t", str(archive_path_level)])
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assert result == 0
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