def test_dump_broken_symlink(self):
self.options.source = 'src'
plugin = DumpPlugin('dump', self.options, self.project_options)
os.makedirs(os.path.join(plugin.builddir, 'src'))
with open(os.path.join(plugin.builddir, 'src', 'file'), 'w') as f:
f.write('foo')
with open('unsnapped', 'w') as f:
f.write('bar')
symlinks = [
# This symlink is valid in source, but broken when snapped.
{
'source': '../../../unsnapped',
'link_name': os.path.join(
plugin.builddir, 'src', 'bad_relative'),
'destination': os.path.join(
plugin.installdir, 'src', 'bad_relative'),
'expected_contents': 'bar',
},
]
for symlink in symlinks:
os.symlink(symlink['source'], symlink['link_name'])
plugin.pull()
raised = self.assertRaises(FileNotFoundError, plugin.build)
self.assertThat(
str(raised),
Equals('{!r} is a broken symlink pointing outside the snap'.format(
os.path.join(plugin.builddir, 'src', 'bad_relative'))))
def test_dump_symlinks(self):
plugin = DumpPlugin('dump', self.options, self.project_options)
os.makedirs(os.path.join(plugin.builddir, 'subdir'))
with open(os.path.join(plugin.builddir, 'file'), 'w') as f:
f.write('foo')
symlinks = [
{
'source': 'file',
'link_name': os.path.join(plugin.builddir, 'relative1'),
'destination': os.path.join(plugin.installdir, 'relative1'),
'expected_realpath': os.path.join(plugin.installdir, 'file'),
'expected_contents': 'foo',
},
{
'source': os.path.join('..', 'file'),
'link_name': os.path.join(
plugin.builddir, 'subdir', 'relative2'),
'destination': os.path.join(
plugin.installdir, 'subdir', 'relative2'),
'expected_realpath': os.path.join(plugin.installdir, 'file'),
'expected_contents': 'foo',
},
{
'source': os.path.join('..', '..', 'install', 'file'),
'link_name': os.path.join(
plugin.builddir, 'subdir', 'relative3'),
'destination': os.path.join(
plugin.installdir, 'subdir', 'relative3'),
'expected_realpath': os.path.join(plugin.installdir, 'file'),
'expected_contents': 'foo',
},
]
for symlink in symlinks:
os.symlink(symlink['source'], symlink['link_name'])
plugin.build()
with open(os.path.join(plugin.installdir, 'file'), 'r') as f:
self.assertThat(f.read(), Equals('foo'))
for symlink in symlinks:
destination = symlink['destination']
self.assertTrue(
os.path.islink(destination),
'Expected {!r} to be a symlink'.format(destination))
self.assertThat(
os.path.realpath(destination),
Equals(symlink['expected_realpath']),
'Expected {!r} to be a relative path to {!r}'.format(
destination, symlink['expected_realpath']))
with open(destination, 'r') as f:
self.assertThat(f.read(), Equals(symlink['expected_contents']))
def test_dump_symlinks_that_should_be_followed(self):
# TODO: Move to an integration test
plugin = DumpPlugin('dump', self.options, self.project_options)
os.makedirs(os.path.join(plugin.builddir, 'src'))
with open(os.path.join(plugin.builddir, 'src', 'file'), 'w') as f:
f.write('foo')
with open('unsnapped', 'w') as f:
f.write('bar')
symlinks = [
# Links with an absolute path should be followed
{
'source':
os.path.abspath(os.path.join(plugin.builddir, 'src', 'file')),
'link_name':
os.path.join(plugin.builddir, 'src', 'absolute'),
'destination':
os.path.join(plugin.installdir, 'src', 'absolute'),
'expected_contents':
'foo',
},
# Links with a relative path that points outside of the snap
# should also be followed
{
'source':
'../../../../unsnapped',
'link_name':
os.path.join(plugin.builddir, 'src', 'bad_relative'),
'destination':
os.path.join(plugin.installdir, 'src', 'bad_relative'),
'expected_contents':
'bar',
},
]
for symlink in symlinks:
os.symlink(symlink['source'], symlink['link_name'])
plugin.build()
with open(os.path.join(plugin.installdir, 'src', 'file'), 'r') as f:
self.assertEqual(f.read(), 'foo')
for symlink in symlinks:
destination = symlink['destination']
with self.subTest('link: {}'.format(destination)):
self.assertFalse(
os.path.islink(destination),
'Expected {!r} to be a copy rather than a '
'symlink'.format(destination))
with open(destination, 'r') as f:
self.assertEqual(f.read(), symlink['expected_contents'])
def test_dumping_with_contents(self):
open('file1', 'w').close()
open('file2', 'w').close()
os.mkdir('dir1')
open(os.path.join('dir1', 'subfile1'), 'w').close()
plugin = DumpPlugin('dump', self.options, self.project_options)
plugin.pull()
plugin.build()
contents = os.listdir(plugin.installdir)
contents.sort()
self.assertEqual(contents, ['dir1', 'file1', 'file2'])
self.assertEqual(os.listdir(os.path.join(plugin.installdir, 'dir1')),
['subfile1'])
def test_dumping_with_contents(self):
plugin = DumpPlugin('dump', self.options, self.project_options)
os.makedirs(plugin.builddir)
open(os.path.join(plugin.builddir, 'file1'), 'w').close()
open(os.path.join(plugin.builddir, 'file2'), 'w').close()
os.mkdir(os.path.join(plugin.builddir, 'dir1'))
open(os.path.join(plugin.builddir, 'dir1', 'subfile1'), 'w').close()
plugin.build()
contents = os.listdir(plugin.installdir)
contents.sort()
self.assertThat(contents, Equals(['dir1', 'file1', 'file2']))
self.assertThat(os.listdir(os.path.join(plugin.installdir, 'dir1')),
Equals(['subfile1']))
def test_dump_symlinks_to_libc(self):
plugin = DumpPlugin('dump', self.options, self.project_options)
os.makedirs(plugin.builddir)
# Even though this symlink is absolute, since it's to libc the copy
# plugin shouldn't try to follow it or modify it.
libc_libs = snapcraft.repo.get_pkg_libs('libc6')
# We don't care which lib we're testing with, as long as it's a .so.
libc_library_path = [lib for lib in libc_libs if '.so' in lib][0]
os.symlink(libc_library_path, os.path.join(plugin.builddir,
'libc-link'))
plugin.build()
self.assertThat(os.path.join(plugin.installdir, 'libc-link'),
tests.LinkExists(libc_library_path))
def test_dumping_nothing(self):
plugin = DumpPlugin('dump', self.options, self.project_options)
os.makedirs(plugin.builddir)
plugin.build()
self.assertEqual(os.listdir(plugin.installdir), [])
def test_dump_enable_cross_compilation(self):
plugin = DumpPlugin('dump', self.options, self.project_options)
plugin.enable_cross_compilation()