def test_url_patch(mock_patch_stage, filename, sha256, archive_sha256, config):
# Make a patch object
url = 'file://' + filename
s = Spec('patch').concretized()
patch = spack.patch.UrlPatch(s.package,
url,
sha256=sha256,
archive_sha256=archive_sha256)
# make a stage
with Stage(url) as stage: # TODO: url isn't used; maybe refactor Stage
stage.mirror_path = mock_patch_stage
mkdirp(stage.source_path)
with working_dir(stage.source_path):
# write a file to be patched
with open('foo.txt', 'w') as f:
f.write("""\
first line
second line
""")
# write the expected result of patching.
with open('foo-expected.txt', 'w') as f:
f.write("""\
zeroth line
first line
third line
""")
# apply the patch and compare files
patch.fetch()
patch.apply(stage)
patch.clean()
with working_dir(stage.source_path):
assert filecmp.cmp('foo.txt', 'foo-expected.txt')
def test_url_patch(mock_patch_stage, filename, sha256, archive_sha256):
# Make a patch object
url = 'file://' + filename
pkg = spack.repo.get('patch')
patch = spack.patch.UrlPatch(pkg,
url,
sha256=sha256,
archive_sha256=archive_sha256)
# make a stage
with Stage(url) as stage: # TODO: url isn't used; maybe refactor Stage
stage.mirror_path = mock_patch_stage
mkdirp(stage.source_path)
with working_dir(stage.source_path):
write_file("foo.txt", file_to_patch)
write_file("foo-expected.txt", expected_patch_result)
# apply the patch and compare files
patch.fetch()
patch.apply(stage)
patch.clean()
with working_dir(stage.source_path):
assert filecmp.cmp('foo.txt', 'foo-expected.txt')
def test_patch_no_file():
# Give it the attributes we need to construct the error message
FakePackage = collections.namedtuple('FakePackage',
['name', 'namespace', 'fullname'])
fp = FakePackage('fake-package', 'test', 'fake-package')
with pytest.raises(ValueError, match='FilePatch:'):
spack.patch.FilePatch(fp, 'nonexistent_file', 0, '')
patch = spack.patch.Patch(fp, 'nonexistent_file', 0, '')
patch.path = 'test'
with pytest.raises(spack.patch.NoSuchPatchError, match='No such patch:'):
patch.apply('')
def test_url_patch(mock_stage, filename, sha256, archive_sha256):
# Make a patch object
url = 'file://' + filename
pkg = spack.repo.get('patch')
patch = spack.patch.UrlPatch(pkg,
url,
sha256=sha256,
archive_sha256=archive_sha256)
# make a stage
with Stage(url) as stage: # TODO: url isn't used; maybe refactor Stage
# TODO: there is probably a better way to mock this.
stage.mirror_path = mock_stage # don't disrupt the spack install
# Fake a source path and ensure the directory exists
with working_dir(stage.path):
mkdirp(spack.stage._source_path_subdir)
with working_dir(stage.source_path):
# write a file to be patched
with open('foo.txt', 'w') as f:
f.write("""\
first line
second line
""")
# write the expected result of patching.
with open('foo-expected.txt', 'w') as f:
f.write("""\
zeroth line
first line
third line
""")
# apply the patch and compare files
patch.fetch(stage)
patch.apply(stage)
patch.clean()
with working_dir(stage.source_path):
assert filecmp.cmp('foo.txt', 'foo-expected.txt')
def test_apply_patch_twice(mock_patch_stage, tmpdir):
"""Ensure that patch doesn't fail if applied twice."""
stage = DIYStage(str(tmpdir))
with tmpdir.as_cwd():
write_file("foo.txt", file_to_patch)
write_file("foo-expected.txt", expected_patch_result)
write_file("foo.patch", patch_file)
FakePackage = collections.namedtuple('FakePackage',
['name', 'namespace', 'fullname'])
fake_pkg = FakePackage('fake-package', 'test', 'fake-package')
def make_patch(filename):
path = os.path.realpath(str(tmpdir.join(filename)))
url = 'file://' + path
sha256 = spack.util.crypto.checksum("sha256", path)
return spack.patch.UrlPatch(fake_pkg, url, sha256=sha256)
# apply the first time
patch = make_patch('foo.patch')
patch.fetch()
patch.apply(stage)
with working_dir(stage.source_path):
assert filecmp.cmp('foo.txt', 'foo-expected.txt')
# ensure apply() is idempotent
patch.apply(stage)
with working_dir(stage.source_path):
assert filecmp.cmp('foo.txt', 'foo-expected.txt')
# now write a file that can't be patched
with working_dir(stage.source_path):
write_file("foo.txt", file_patch_cant_apply_to)
# this application should fail with a real error
with pytest.raises(spack.util.executable.ProcessError):
patch.apply(stage)