126 lines
4.1 KiB
Python
126 lines
4.1 KiB
Python
"""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'))
|