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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
import pathlib
from tempfile import gettempdir
import unittest
from traits.api import BaseDirectory, Directory, HasTraits, TraitError
class ExampleModel(HasTraits):
path = Directory(exists=True)
new_path = Directory(exists=False)
class ExistsBaseDirectory(HasTraits):
path = BaseDirectory(value=pathlib.Path(gettempdir()), exists=True)
class SimpleBaseDirectory(HasTraits):
path = BaseDirectory(exists=False)
class DirectoryTestCase(unittest.TestCase):
def test_valid_directory(self):
example_model = ExampleModel(path=gettempdir())
example_model.path = "."
def test_invalid_directory(self):
example_model = ExampleModel(path=gettempdir())
def assign_invalid():
example_model.path = "not_valid_path!#!#!#"
self.assertRaises(TraitError, assign_invalid)
def test_file(self):
example_model = ExampleModel(path=gettempdir())
def assign_invalid():
example_model.path = __file__
self.assertRaises(TraitError, assign_invalid)
def test_invalid_type(self):
example_model = ExampleModel(path=gettempdir())
def assign_invalid():
example_model.path = 11
self.assertRaises(TraitError, assign_invalid)
class TestBaseDirectory(unittest.TestCase):
def test_accepts_valid_dir_name(self):
foo = ExistsBaseDirectory()
tempdir = gettempdir()
self.assertIsInstance(tempdir, str)
foo.path = tempdir
def test_rejects_invalid_dir_name(self):
foo = ExistsBaseDirectory()
with self.assertRaises(TraitError):
foo.path = "!!!invalid_directory"
def test_rejects_valid_file_name(self):
foo = ExistsBaseDirectory()
with self.assertRaises(TraitError):
foo.path = __file__
def test_accepts_valid_pathlib_dir(self):
foo = ExistsBaseDirectory()
foo.path = pathlib.Path(gettempdir())
self.assertIsInstance(foo.path, str)
def test_rejects_invalid_pathlib_dir(self):
foo = ExistsBaseDirectory()
with self.assertRaises(TraitError):
foo.path = pathlib.Path("!!!invalid_directory")
def test_rejects_valid_pathlib_file(self):
foo = ExistsBaseDirectory()
with self.assertRaises(TraitError):
foo.path = pathlib.Path(__file__)
def test_rejects_invalid_type(self):
""" Rejects instances that are not `str` or `os.PathLike`.
"""
foo = ExistsBaseDirectory()
with self.assertRaises(TraitError):
foo.path = 1
with self.assertRaises(TraitError):
foo.path = b"!!!invalid_directory"
def test_simple_accepts_any_name(self):
""" BaseDirectory with no existence check accepts any path name.
"""
foo = SimpleBaseDirectory()
foo.path = "!!!invalid_directory"
def test_simple_accepts_any_pathlib(self):
""" BaseDirectory with no existence check accepts any pathlib path.
"""
foo = SimpleBaseDirectory()
foo.path = pathlib.Path("!!!")
self.assertIsInstance(foo.path, str)
def test_info_text(self):
example_model = ExampleModel()
with self.assertRaises(TraitError) as exc_cm:
example_model.path = 47
self.assertIn("a string or os.PathLike object", str(exc_cm.exception))
self.assertIn(
"referring to an existing directory", str(exc_cm.exception))
with self.assertRaises(TraitError) as exc_cm:
example_model.new_path = 47
self.assertIn("a string or os.PathLike object", str(exc_cm.exception))
self.assertNotIn("exist", str(exc_cm.exception))
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