101 lines
4.3 KiB
Python
101 lines
4.3 KiB
Python
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"""Unit tests for file system cache."""
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import os
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import shutil
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import sys
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import tempfile
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import unittest
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from typing import Optional
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from mypy.fscache import FileSystemCache
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class TestFileSystemCache(unittest.TestCase):
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def setUp(self) -> None:
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self.tempdir = tempfile.mkdtemp()
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self.oldcwd = os.getcwd()
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os.chdir(self.tempdir)
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self.fscache = FileSystemCache()
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def tearDown(self) -> None:
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os.chdir(self.oldcwd)
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shutil.rmtree(self.tempdir)
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def test_isfile_case_1(self) -> None:
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self.make_file('bar.py')
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self.make_file('pkg/sub_package/__init__.py')
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self.make_file('pkg/sub_package/foo.py')
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# Run twice to test both cached and non-cached code paths.
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for i in range(2):
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assert self.isfile_case('bar.py')
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assert self.isfile_case('pkg/sub_package/__init__.py')
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assert self.isfile_case('pkg/sub_package/foo.py')
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assert not self.isfile_case('non_existent.py')
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assert not self.isfile_case('pkg/non_existent.py')
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assert not self.isfile_case('pkg/')
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assert not self.isfile_case('bar.py/')
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for i in range(2):
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assert not self.isfile_case('Bar.py')
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assert not self.isfile_case('pkg/sub_package/__init__.PY')
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assert not self.isfile_case('pkg/Sub_Package/foo.py')
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assert not self.isfile_case('Pkg/sub_package/foo.py')
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def test_isfile_case_2(self) -> None:
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self.make_file('bar.py')
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self.make_file('pkg/sub_package/__init__.py')
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self.make_file('pkg/sub_package/foo.py')
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# Run twice to test both cached and non-cached code paths.
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# This reverses the order of checks from test_isfile_case_1.
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for i in range(2):
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assert not self.isfile_case('Bar.py')
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assert not self.isfile_case('pkg/sub_package/__init__.PY')
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assert not self.isfile_case('pkg/Sub_Package/foo.py')
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assert not self.isfile_case('Pkg/sub_package/foo.py')
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for i in range(2):
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assert self.isfile_case('bar.py')
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assert self.isfile_case('pkg/sub_package/__init__.py')
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assert self.isfile_case('pkg/sub_package/foo.py')
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assert not self.isfile_case('non_existent.py')
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assert not self.isfile_case('pkg/non_existent.py')
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def test_isfile_case_3(self) -> None:
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self.make_file('bar.py')
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self.make_file('pkg/sub_package/__init__.py')
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self.make_file('pkg/sub_package/foo.py')
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# Run twice to test both cached and non-cached code paths.
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for i in range(2):
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assert self.isfile_case('bar.py')
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assert not self.isfile_case('non_existent.py')
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assert not self.isfile_case('pkg/non_existent.py')
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assert not self.isfile_case('Bar.py')
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assert not self.isfile_case('pkg/sub_package/__init__.PY')
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assert not self.isfile_case('pkg/Sub_Package/foo.py')
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assert not self.isfile_case('Pkg/sub_package/foo.py')
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assert self.isfile_case('pkg/sub_package/__init__.py')
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assert self.isfile_case('pkg/sub_package/foo.py')
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def test_isfile_case_other_directory(self) -> None:
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self.make_file('bar.py')
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with tempfile.TemporaryDirectory() as other:
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self.make_file('other_dir.py', base=other)
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self.make_file('pkg/other_dir.py', base=other)
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assert self.isfile_case(os.path.join(other, 'other_dir.py'))
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assert not self.isfile_case(os.path.join(other, 'Other_Dir.py'))
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assert not self.isfile_case(os.path.join(other, 'bar.py'))
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if sys.platform in ('win32', 'darwin'):
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# We only check case for directories under our prefix, and since
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# this path is not under the prefix, case difference is fine.
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assert self.isfile_case(os.path.join(other, 'PKG/other_dir.py'))
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def make_file(self, path: str, base: Optional[str] = None) -> None:
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if base is None:
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base = self.tempdir
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fullpath = os.path.join(base, path)
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os.makedirs(os.path.dirname(fullpath), exist_ok=True)
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if not path.endswith('/'):
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with open(fullpath, 'w') as f:
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f.write('# test file')
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def isfile_case(self, path: str) -> bool:
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return self.fscache.isfile_case(os.path.join(self.tempdir, path), self.tempdir)
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