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_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_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_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'),
])
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',
})))
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_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',
])))
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_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'),
])
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',
])))
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_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_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_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_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'))
