spack/lib/spack/spack/test/link_tree.py

153 lines
5.2 KiB
Python

##############################################################################
# Copyright (c) 2013, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/llnl/spack
# Please also see the LICENSE file for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License (as published by
# the Free Software Foundation) version 2.1 dated February 1999.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
# conditions of the GNU General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
import os
import unittest
import shutil
import tempfile
from llnl.util.filesystem import *
from llnl.util.link_tree import LinkTree
from spack.stage import Stage
class LinkTreeTest(unittest.TestCase):
"""Tests Spack's LinkTree class."""
def setUp(self):
self.stage = Stage('link-tree-test')
with working_dir(self.stage.path):
touchp('source/1')
touchp('source/a/b/2')
touchp('source/a/b/3')
touchp('source/c/4')
touchp('source/c/d/5')
touchp('source/c/d/6')
touchp('source/c/d/e/7')
source_path = os.path.join(self.stage.path, 'source')
self.link_tree = LinkTree(source_path)
def tearDown(self):
if self.stage:
self.stage.destroy()
def check_file_link(self, filename):
self.assertTrue(os.path.isfile(filename))
self.assertTrue(os.path.islink(filename))
def check_dir(self, filename):
self.assertTrue(os.path.isdir(filename))
def test_merge_to_new_directory(self):
with working_dir(self.stage.path):
self.link_tree.merge('dest')
self.check_file_link('dest/1')
self.check_file_link('dest/a/b/2')
self.check_file_link('dest/a/b/3')
self.check_file_link('dest/c/4')
self.check_file_link('dest/c/d/5')
self.check_file_link('dest/c/d/6')
self.check_file_link('dest/c/d/e/7')
self.link_tree.unmerge('dest')
self.assertFalse(os.path.exists('dest'))
def test_merge_to_existing_directory(self):
with working_dir(self.stage.path):
touchp('dest/x')
touchp('dest/a/b/y')
self.link_tree.merge('dest')
self.check_file_link('dest/1')
self.check_file_link('dest/a/b/2')
self.check_file_link('dest/a/b/3')
self.check_file_link('dest/c/4')
self.check_file_link('dest/c/d/5')
self.check_file_link('dest/c/d/6')
self.check_file_link('dest/c/d/e/7')
self.assertTrue(os.path.isfile('dest/x'))
self.assertTrue(os.path.isfile('dest/a/b/y'))
self.link_tree.unmerge('dest')
self.assertTrue(os.path.isfile('dest/x'))
self.assertTrue(os.path.isfile('dest/a/b/y'))
self.assertFalse(os.path.isfile('dest/1'))
self.assertFalse(os.path.isfile('dest/a/b/2'))
self.assertFalse(os.path.isfile('dest/a/b/3'))
self.assertFalse(os.path.isfile('dest/c/4'))
self.assertFalse(os.path.isfile('dest/c/d/5'))
self.assertFalse(os.path.isfile('dest/c/d/6'))
self.assertFalse(os.path.isfile('dest/c/d/e/7'))
def test_merge_with_empty_directories(self):
with working_dir(self.stage.path):
mkdirp('dest/f/g')
mkdirp('dest/a/b/h')
self.link_tree.merge('dest')
self.link_tree.unmerge('dest')
self.assertFalse(os.path.exists('dest/1'))
self.assertFalse(os.path.exists('dest/a/b/2'))
self.assertFalse(os.path.exists('dest/a/b/3'))
self.assertFalse(os.path.exists('dest/c/4'))
self.assertFalse(os.path.exists('dest/c/d/5'))
self.assertFalse(os.path.exists('dest/c/d/6'))
self.assertFalse(os.path.exists('dest/c/d/e/7'))
self.assertTrue(os.path.isdir('dest/a/b/h'))
self.assertTrue(os.path.isdir('dest/f/g'))
def test_ignore(self):
with working_dir(self.stage.path):
touchp('source/.spec')
touchp('dest/.spec')
self.link_tree.merge('dest', ignore=lambda x: x == '.spec')
self.link_tree.unmerge('dest', ignore=lambda x: x == '.spec')
self.assertFalse(os.path.exists('dest/1'))
self.assertFalse(os.path.exists('dest/a'))
self.assertFalse(os.path.exists('dest/c'))
self.assertTrue(os.path.isfile('source/.spec'))
self.assertTrue(os.path.isfile('dest/.spec'))