mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-18 02:40:40 +00:00
344 lines
6.9 KiB
Python
344 lines
6.9 KiB
Python
# encoding: utf-8
|
|
"""
|
|
This script tests utility functions.
|
|
"""
|
|
|
|
import errno
|
|
import os
|
|
import os.path
|
|
import shutil
|
|
import sys
|
|
import tempfile
|
|
|
|
try:
|
|
import unittest2 as unittest
|
|
except ImportError:
|
|
import unittest
|
|
|
|
from pathspec.util import iter_tree, RecursionError
|
|
|
|
|
|
class IterTreeTest(unittest.TestCase):
|
|
"""
|
|
The ``IterTreeTest`` class tests `pathspec.util.iter_tree()`.
|
|
"""
|
|
|
|
def make_dirs(self, dirs):
|
|
"""
|
|
Create the specified directories.
|
|
"""
|
|
for dir in dirs:
|
|
os.mkdir(os.path.join(self.temp_dir, self.ospath(dir)))
|
|
|
|
def make_files(self, files):
|
|
"""
|
|
Create the specified files.
|
|
"""
|
|
for file in files:
|
|
self.mkfile(os.path.join(self.temp_dir, self.ospath(file)))
|
|
|
|
def make_links(self, links):
|
|
"""
|
|
Create the specified links.
|
|
"""
|
|
for link, node in links:
|
|
os.symlink(os.path.join(self.temp_dir, self.ospath(node)), os.path.join(self.temp_dir, self.ospath(link)))
|
|
|
|
@staticmethod
|
|
def mkfile(file):
|
|
"""
|
|
Creates an empty file.
|
|
"""
|
|
with open(file, 'wb'):
|
|
pass
|
|
|
|
@staticmethod
|
|
def ospath(path):
|
|
"""
|
|
Convert the POSIX path to a native OS path.
|
|
"""
|
|
return os.path.join(*path.split('/'))
|
|
|
|
def require_realpath(self):
|
|
"""
|
|
Skips the test if `os.path.realpath` does not properly support
|
|
symlinks.
|
|
"""
|
|
if self.broken_realpath:
|
|
raise unittest.SkipTest("`os.path.realpath` is broken.")
|
|
|
|
def require_symlink(self):
|
|
"""
|
|
Skips the test if `os.symlink` is not supported.
|
|
"""
|
|
if self.no_symlink:
|
|
raise unittest.SkipTest("`os.symlink` is not supported.")
|
|
|
|
def setUp(self):
|
|
"""
|
|
Called before each test.
|
|
"""
|
|
self.temp_dir = tempfile.mkdtemp()
|
|
|
|
def tearDown(self):
|
|
"""
|
|
Called after each test.
|
|
"""
|
|
shutil.rmtree(self.temp_dir)
|
|
|
|
def test_1_files(self):
|
|
"""
|
|
Tests to make sure all files are found.
|
|
"""
|
|
self.make_dirs([
|
|
'Empty',
|
|
'Dir',
|
|
'Dir/Inner',
|
|
])
|
|
self.make_files([
|
|
'a',
|
|
'b',
|
|
'Dir/c',
|
|
'Dir/d',
|
|
'Dir/Inner/e',
|
|
'Dir/Inner/f',
|
|
])
|
|
results = set(iter_tree(self.temp_dir))
|
|
self.assertEqual(results, set(map(self.ospath, [
|
|
'a',
|
|
'b',
|
|
'Dir/c',
|
|
'Dir/d',
|
|
'Dir/Inner/e',
|
|
'Dir/Inner/f',
|
|
])))
|
|
|
|
def test_2_0_check_symlink(self):
|
|
"""
|
|
Tests whether links can be created.
|
|
"""
|
|
# NOTE: Windows does not support `os.symlink` for Python 2. Windows
|
|
# Vista and greater supports `os.symlink` for Python 3.2+.
|
|
no_symlink = None
|
|
try:
|
|
file = os.path.join(self.temp_dir, 'file')
|
|
link = os.path.join(self.temp_dir, 'link')
|
|
self.mkfile(file)
|
|
|
|
try:
|
|
os.symlink(file, link)
|
|
except (AttributeError, NotImplementedError):
|
|
no_symlink = True
|
|
raise
|
|
no_symlink = False
|
|
|
|
finally:
|
|
self.__class__.no_symlink = no_symlink
|
|
|
|
def test_2_1_check_realpath(self):
|
|
"""
|
|
Tests whether `os.path.realpath` works properly with symlinks.
|
|
"""
|
|
# NOTE: Windows does not follow symlinks with `os.path.realpath`
|
|
# which is what we use to detect recursion. See <https://bugs.python.org/issue9949>
|
|
# for details.
|
|
broken_realpath = None
|
|
try:
|
|
self.require_symlink()
|
|
file = os.path.join(self.temp_dir, 'file')
|
|
link = os.path.join(self.temp_dir, 'link')
|
|
self.mkfile(file)
|
|
os.symlink(file, link)
|
|
|
|
try:
|
|
self.assertEqual(os.path.realpath(file), os.path.realpath(link))
|
|
except AssertionError:
|
|
broken_realpath = True
|
|
raise
|
|
broken_realpath = False
|
|
|
|
finally:
|
|
self.__class__.broken_realpath = broken_realpath
|
|
|
|
def test_2_2_links(self):
|
|
"""
|
|
Tests to make sure links to directories and files work.
|
|
"""
|
|
self.require_symlink()
|
|
self.make_dirs([
|
|
'Dir',
|
|
])
|
|
self.make_files([
|
|
'a',
|
|
'b',
|
|
'Dir/c',
|
|
'Dir/d',
|
|
])
|
|
self.make_links([
|
|
('ax', 'a'),
|
|
('bx', 'b'),
|
|
('Dir/cx', 'Dir/c'),
|
|
('Dir/dx', 'Dir/d'),
|
|
('DirX', 'Dir'),
|
|
])
|
|
results = set(iter_tree(self.temp_dir))
|
|
self.assertEqual(results, set(map(self.ospath, [
|
|
'a',
|
|
'ax',
|
|
'b',
|
|
'bx',
|
|
'Dir/c',
|
|
'Dir/cx',
|
|
'Dir/d',
|
|
'Dir/dx',
|
|
'DirX/c',
|
|
'DirX/cx',
|
|
'DirX/d',
|
|
'DirX/dx',
|
|
])))
|
|
|
|
def test_2_3_sideways_links(self):
|
|
"""
|
|
Tests to make sure the same directory can be encountered multiple
|
|
times via links.
|
|
"""
|
|
self.require_symlink()
|
|
self.make_dirs([
|
|
'Dir',
|
|
'Dir/Target',
|
|
])
|
|
self.make_files([
|
|
'Dir/Target/file',
|
|
])
|
|
self.make_links([
|
|
('Ax', 'Dir'),
|
|
('Bx', 'Dir'),
|
|
('Cx', 'Dir/Target'),
|
|
('Dx', 'Dir/Target'),
|
|
('Dir/Ex', 'Dir/Target'),
|
|
('Dir/Fx', 'Dir/Target'),
|
|
])
|
|
results = set(iter_tree(self.temp_dir))
|
|
self.assertEqual(results, set(map(self.ospath, [
|
|
'Ax/Ex/file',
|
|
'Ax/Fx/file',
|
|
'Ax/Target/file',
|
|
'Bx/Ex/file',
|
|
'Bx/Fx/file',
|
|
'Bx/Target/file',
|
|
'Cx/file',
|
|
'Dx/file',
|
|
'Dir/Ex/file',
|
|
'Dir/Fx/file',
|
|
'Dir/Target/file',
|
|
])))
|
|
|
|
def test_2_4_recursive_links(self):
|
|
"""
|
|
Tests detection of recursive links.
|
|
"""
|
|
self.require_symlink()
|
|
self.require_realpath()
|
|
self.make_dirs([
|
|
'Dir',
|
|
])
|
|
self.make_files([
|
|
'Dir/file',
|
|
])
|
|
self.make_links([
|
|
('Dir/Self', 'Dir'),
|
|
])
|
|
with self.assertRaises(RecursionError) as context:
|
|
set(iter_tree(self.temp_dir))
|
|
self.assertEqual(context.exception.first_path, 'Dir')
|
|
self.assertEqual(context.exception.second_path, self.ospath('Dir/Self'))
|
|
|
|
def test_2_5_recursive_circular_links(self):
|
|
"""
|
|
Tests detection of recursion through circular links.
|
|
"""
|
|
self.require_symlink()
|
|
self.require_realpath()
|
|
self.make_dirs([
|
|
'A',
|
|
'B',
|
|
'C',
|
|
])
|
|
self.make_files([
|
|
'A/d',
|
|
'B/e',
|
|
'C/f',
|
|
])
|
|
self.make_links([
|
|
('A/Bx', 'B'),
|
|
('B/Cx', 'C'),
|
|
('C/Ax', 'A'),
|
|
])
|
|
with self.assertRaises(RecursionError) as context:
|
|
set(iter_tree(self.temp_dir))
|
|
self.assertIn(context.exception.first_path, ('A', 'B', 'C'))
|
|
self.assertEqual(context.exception.second_path, {
|
|
'A': self.ospath('A/Bx/Cx/Ax'),
|
|
'B': self.ospath('B/Cx/Ax/Bx'),
|
|
'C': self.ospath('C/Ax/Bx/Cx'),
|
|
}[context.exception.first_path])
|
|
|
|
def test_2_6_detect_broken_links(self):
|
|
"""
|
|
Tests that broken links are detected
|
|
"""
|
|
def reraise(e):
|
|
raise e
|
|
|
|
self.require_symlink()
|
|
self.make_links([
|
|
('A', 'DOES_NOT_EXIST')
|
|
])
|
|
with self.assertRaises(OSError) as context:
|
|
set(iter_tree(self.temp_dir, on_error=reraise))
|
|
self.assertEqual(context.exception.errno, errno.ENOENT)
|
|
|
|
def test_2_7_ignore_broken_links(self):
|
|
"""
|
|
Tests that broken links are ignored.
|
|
"""
|
|
self.require_symlink()
|
|
self.make_links([
|
|
('A', 'DOES_NOT_EXIST')
|
|
])
|
|
results = set(iter_tree(self.temp_dir))
|
|
self.assertEqual(results, set())
|
|
|
|
def test_2_8_no_follow_links(self):
|
|
"""
|
|
Tests to make sure directory links can be ignored.
|
|
"""
|
|
self.require_symlink()
|
|
self.make_dirs([
|
|
'Dir',
|
|
])
|
|
self.make_files([
|
|
'A',
|
|
'B',
|
|
'Dir/C',
|
|
'Dir/D',
|
|
])
|
|
self.make_links([
|
|
('Ax', 'A'),
|
|
('Bx', 'B'),
|
|
('Dir/Cx', 'Dir/C'),
|
|
('Dir/Dx', 'Dir/D'),
|
|
('DirX', 'Dir'),
|
|
])
|
|
results = set(iter_tree(self.temp_dir, follow_links=False))
|
|
self.assertEqual(results, set(map(self.ospath, [
|
|
'A',
|
|
'Ax',
|
|
'B',
|
|
'Bx',
|
|
'Dir/C',
|
|
'Dir/Cx',
|
|
'Dir/D',
|
|
'Dir/Dx',
|
|
])))
|