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Diffstat (limited to '.venv/lib/python3.12/site-packages/setuptools/_distutils/tests/test_modified.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/setuptools/_distutils/tests/test_modified.py | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/setuptools/_distutils/tests/test_modified.py b/.venv/lib/python3.12/site-packages/setuptools/_distutils/tests/test_modified.py new file mode 100644 index 00000000..e35cec2d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/setuptools/_distutils/tests/test_modified.py @@ -0,0 +1,126 @@ +"""Tests for distutils._modified.""" + +import os +import types +from distutils._modified import newer, newer_group, newer_pairwise, newer_pairwise_group +from distutils.errors import DistutilsFileError +from distutils.tests import support + +import pytest + + +class TestDepUtil(support.TempdirManager): + def test_newer(self): + tmpdir = self.mkdtemp() + new_file = os.path.join(tmpdir, 'new') + old_file = os.path.abspath(__file__) + + # Raise DistutilsFileError if 'new_file' does not exist. + with pytest.raises(DistutilsFileError): + newer(new_file, old_file) + + # Return true if 'new_file' exists and is more recently modified than + # 'old_file', or if 'new_file' exists and 'old_file' doesn't. + self.write_file(new_file) + assert newer(new_file, 'I_dont_exist') + assert newer(new_file, old_file) + + # Return false if both exist and 'old_file' is the same age or younger + # than 'new_file'. + assert not newer(old_file, new_file) + + def _setup_1234(self): + tmpdir = self.mkdtemp() + sources = os.path.join(tmpdir, 'sources') + targets = os.path.join(tmpdir, 'targets') + os.mkdir(sources) + os.mkdir(targets) + one = os.path.join(sources, 'one') + two = os.path.join(sources, 'two') + three = os.path.abspath(__file__) # I am the old file + four = os.path.join(targets, 'four') + self.write_file(one) + self.write_file(two) + self.write_file(four) + return one, two, three, four + + def test_newer_pairwise(self): + one, two, three, four = self._setup_1234() + + assert newer_pairwise([one, two], [three, four]) == ([one], [three]) + + def test_newer_pairwise_mismatch(self): + one, two, three, four = self._setup_1234() + + with pytest.raises(ValueError): + newer_pairwise([one], [three, four]) + + with pytest.raises(ValueError): + newer_pairwise([one, two], [three]) + + def test_newer_pairwise_empty(self): + assert newer_pairwise([], []) == ([], []) + + def test_newer_pairwise_fresh(self): + one, two, three, four = self._setup_1234() + + assert newer_pairwise([one, three], [two, four]) == ([], []) + + def test_newer_group(self): + tmpdir = self.mkdtemp() + sources = os.path.join(tmpdir, 'sources') + os.mkdir(sources) + one = os.path.join(sources, 'one') + two = os.path.join(sources, 'two') + three = os.path.join(sources, 'three') + old_file = os.path.abspath(__file__) + + # return true if 'old_file' is out-of-date with respect to any file + # listed in 'sources'. + self.write_file(one) + self.write_file(two) + self.write_file(three) + assert newer_group([one, two, three], old_file) + assert not newer_group([one, two, old_file], three) + + # missing handling + os.remove(one) + with pytest.raises(OSError): + newer_group([one, two, old_file], three) + + assert not newer_group([one, two, old_file], three, missing='ignore') + + assert newer_group([one, two, old_file], three, missing='newer') + + +@pytest.fixture +def groups_target(tmp_path): + """ + Set up some older sources, a target, and newer sources. + + Returns a simple namespace with these values. + """ + filenames = ['older.c', 'older.h', 'target.o', 'newer.c', 'newer.h'] + paths = [tmp_path / name for name in filenames] + + for mtime, path in enumerate(paths): + path.write_text('', encoding='utf-8') + + # make sure modification times are sequential + os.utime(path, (mtime, mtime)) + + return types.SimpleNamespace(older=paths[:2], target=paths[2], newer=paths[3:]) + + +def test_newer_pairwise_group(groups_target): + older = newer_pairwise_group([groups_target.older], [groups_target.target]) + newer = newer_pairwise_group([groups_target.newer], [groups_target.target]) + assert older == ([], []) + assert newer == ([groups_target.newer], [groups_target.target]) + + +def test_newer_group_no_sources_no_target(tmp_path): + """ + Consider no sources and no target "newer". + """ + assert newer_group([], str(tmp_path / 'does-not-exist')) |