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Diffstat (limited to 'tests/aiet/test_utils_fs.py')
| -rw-r--r-- | tests/aiet/test_utils_fs.py | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/tests/aiet/test_utils_fs.py b/tests/aiet/test_utils_fs.py new file mode 100644 index 0000000..46d276e --- /dev/null +++ b/tests/aiet/test_utils_fs.py @@ -0,0 +1,168 @@ +# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates. +# SPDX-License-Identifier: Apache-2.0 +# pylint: disable=no-self-use +"""Module for testing fs.py.""" +from contextlib import ExitStack as does_not_raise +from pathlib import Path +from typing import Any +from typing import Union +from unittest.mock import MagicMock + +import pytest + +from aiet.utils.fs import get_resources +from aiet.utils.fs import read_file_as_bytearray +from aiet.utils.fs import read_file_as_string +from aiet.utils.fs import recreate_directory +from aiet.utils.fs import remove_directory +from aiet.utils.fs import remove_resource +from aiet.utils.fs import ResourceType +from aiet.utils.fs import valid_for_filename + + +@pytest.mark.parametrize( + "resource_name,expected_path", + [ + ("systems", does_not_raise()), + ("applications", does_not_raise()), + ("whaaat", pytest.raises(ResourceWarning)), + (None, pytest.raises(ResourceWarning)), + ], +) +def test_get_resources(resource_name: ResourceType, expected_path: Any) -> None: + """Test get_resources() with multiple parameters.""" + with expected_path: + resource_path = get_resources(resource_name) + assert resource_path.exists() + + +def test_remove_resource_wrong_directory( + monkeypatch: Any, test_applications_path: Path +) -> None: + """Test removing resource with wrong directory.""" + mock_get_resources = MagicMock(return_value=test_applications_path) + monkeypatch.setattr("aiet.utils.fs.get_resources", mock_get_resources) + + mock_shutil_rmtree = MagicMock() + monkeypatch.setattr("aiet.utils.fs.shutil.rmtree", mock_shutil_rmtree) + + with pytest.raises(Exception, match="Resource .* does not exist"): + remove_resource("unknown", "applications") + mock_shutil_rmtree.assert_not_called() + + with pytest.raises(Exception, match="Wrong resource .*"): + remove_resource("readme.txt", "applications") + mock_shutil_rmtree.assert_not_called() + + +def test_remove_resource(monkeypatch: Any, test_applications_path: Path) -> None: + """Test removing resource data.""" + mock_get_resources = MagicMock(return_value=test_applications_path) + monkeypatch.setattr("aiet.utils.fs.get_resources", mock_get_resources) + + mock_shutil_rmtree = MagicMock() + monkeypatch.setattr("aiet.utils.fs.shutil.rmtree", mock_shutil_rmtree) + + remove_resource("application1", "applications") + mock_shutil_rmtree.assert_called_once() + + +def test_remove_directory(tmpdir: Any) -> None: + """Test directory removal.""" + tmpdir_path = Path(tmpdir) + tmpfile = tmpdir_path / "temp.txt" + + for item in [None, tmpfile]: + with pytest.raises(Exception, match="No directory path provided"): + remove_directory(item) + + newdir = tmpdir_path / "newdir" + newdir.mkdir() + + assert newdir.is_dir() + remove_directory(newdir) + assert not newdir.exists() + + +def test_recreate_directory(tmpdir: Any) -> None: + """Test directory recreation.""" + with pytest.raises(Exception, match="No directory path provided"): + recreate_directory(None) + + tmpdir_path = Path(tmpdir) + tmpfile = tmpdir_path / "temp.txt" + tmpfile.touch() + with pytest.raises(Exception, match="Path .* does exist and it is not a directory"): + recreate_directory(tmpfile) + + newdir = tmpdir_path / "newdir" + newdir.mkdir() + newfile = newdir / "newfile" + newfile.touch() + assert list(newdir.iterdir()) == [newfile] + recreate_directory(newdir) + assert not list(newdir.iterdir()) + + newdir2 = tmpdir_path / "newdir2" + assert not newdir2.exists() + recreate_directory(newdir2) + assert newdir2.is_dir() + + +def write_to_file( + write_directory: Any, write_mode: str, write_text: Union[str, bytes] +) -> Path: + """Write some text to a temporary test file.""" + tmpdir_path = Path(write_directory) + tmpfile = tmpdir_path / "file_name.txt" + with open(tmpfile, write_mode) as file: # pylint: disable=unspecified-encoding + file.write(write_text) + return tmpfile + + +class TestReadFileAsString: + """Test read_file_as_string() function.""" + + def test_returns_text_from_valid_file(self, tmpdir: Any) -> None: + """Ensure the string written to a file read correctly.""" + file_path = write_to_file(tmpdir, "w", "hello") + assert read_file_as_string(file_path) == "hello" + + def test_output_is_empty_string_when_input_file_non_existent( + self, tmpdir: Any + ) -> None: + """Ensure empty string returned when reading from non-existent file.""" + file_path = Path(tmpdir / "non-existent.txt") + assert read_file_as_string(file_path) == "" + + +class TestReadFileAsByteArray: + """Test read_file_as_bytearray() function.""" + + def test_returns_bytes_from_valid_file(self, tmpdir: Any) -> None: + """Ensure the bytes written to a file read correctly.""" + file_path = write_to_file(tmpdir, "wb", b"hello bytes") + assert read_file_as_bytearray(file_path) == b"hello bytes" + + def test_output_is_empty_bytearray_when_input_file_non_existent( + self, tmpdir: Any + ) -> None: + """Ensure empty bytearray returned when reading from non-existent file.""" + file_path = Path(tmpdir / "non-existent.txt") + assert read_file_as_bytearray(file_path) == bytearray() + + +@pytest.mark.parametrize( + "value, replacement, expected_result", + [ + ["", "", ""], + ["123", "", "123"], + ["123", "_", "123"], + ["/some_folder/some_script.sh", "", "some_foldersome_script.sh"], + ["/some_folder/some_script.sh", "_", "_some_folder_some_script.sh"], + ["!;'some_name$%^!", "_", "___some_name____"], + ], +) +def test_valid_for_filename(value: str, replacement: str, expected_result: str) -> None: + """Test function valid_for_filename.""" + assert valid_for_filename(value, replacement) == expected_result |