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import os
import pytest
from contextlib import contextmanager
from buildstream import _yaml
from buildstream._exceptions import ErrorDomain, LoadErrorReason
from buildstream.plugintestutils.runcli import cli
DATA_DIR = os.path.dirname(os.path.realpath(__file__))
@contextmanager
def override_uname_os(name):
orig_uname = os.uname
orig_tuple = tuple(os.uname())
override_result = (name, orig_tuple[1],
orig_tuple[2], orig_tuple[3],
orig_tuple[4])
def override():
return override_result
os.uname = override
yield
os.uname = orig_uname
@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.parametrize("uname,value,expected", [
# Test explicitly provided arches
('Darwin', 'Linux', 'Linuxy'),
('SunOS', 'FreeBSD', 'FreeBSDy'),
# Test automatically derived arches
('Linux', None, 'Linuxy'),
('Darwin', None, 'Darwiny'),
# Test that explicitly provided arches dont error out
# when the `uname` reported arch is not supported
('AIX', 'Linux', 'Linuxy'),
('HaikuOS', 'SunOS', 'SunOSy'),
])
def test_conditionals(cli, datafiles, uname, value, expected):
with override_uname_os(uname):
project = os.path.join(datafiles.dirname, datafiles.basename, 'option-os')
bst_args = []
if value is not None:
bst_args += ['--option', 'machine_os', value]
bst_args += [
'show',
'--deps', 'none',
'--format', '%{vars}',
'element.bst'
]
result = cli.run(project=project, silent=True, args=bst_args)
result.assert_success()
loaded = _yaml.load_data(result.output)
assert loaded['result'] == expected
@pytest.mark.datafiles(DATA_DIR)
def test_unsupported_arch(cli, datafiles):
with override_uname_os("AIX"):
project = os.path.join(datafiles.dirname, datafiles.basename, 'option-os')
result = cli.run(project=project, silent=True, args=[
'show',
'--deps', 'none',
'--format', '%{vars}',
'element.bst'
])
result.assert_main_error(ErrorDomain.LOAD, LoadErrorReason.INVALID_DATA)
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