def test_clobbering():
s = Sandbox()
s.clone_bin("echo")
s.clone_bin("cat")
s.clone_bin("sh")
cat_size = os.stat(s.to_main_basis('/bin/cat'))
with s.open("/sandbox_clobber.sh", 'w') as f:
f.write('\n'.join([
'#!/bin/sh',
'echo "clobbering $1 ..."',
'echo "$0 $*" > $1',
'echo "$?"'
]))
feedback = s.process(["sh", "/sandbox_clobber.sh", "/bin/cat"], stdout=subprocess.PIPE)
assert feedback.ended_correctly
assert feedback.return_code == 0
i = 0
for l in feedback.stdout:
assert i != 0 or l == "clobbering /bin/cat ...\n"
assert i != 1 or int(l) != 0
i += 1
assert os.stat(s.to_main_basis('/bin/cat')) == cat_size
del s
def test_basises():
s = Sandbox()
sandbox_basis = '/bin/ls'
main_basis = s.to_main_basis(sandbox_basis)
assert main_basis == s.root_directory[:-1] + sandbox_basis
assert s.to_sandbox_basis(main_basis) == sandbox_basis
assert len(main_basis.split('//')) == 1
try:
s.to_main_basis('bin/ls')
except AssertionError:
assert True
else:
assert False
