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|
# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name
import os
import pytest
from buildstream._context import Context
from buildstream._exceptions import LoadError, LoadErrorReason
DATA_DIR = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
'context',
)
# Simple fixture to create a Context object.
@pytest.fixture()
def context_fixture():
if os.environ.get('XDG_CACHE_HOME'):
cache_home = os.environ['XDG_CACHE_HOME']
else:
cache_home = os.path.expanduser('~/.cache')
with Context() as context:
yield {
'xdg-cache': cache_home,
'context': context
}
#######################################
# Test instantiation #
#######################################
def test_context_create(context_fixture):
context = context_fixture['context']
assert isinstance(context, Context)
#######################################
# Test configuration loading #
#######################################
def test_context_load(context_fixture):
context = context_fixture['context']
cache_home = os.path.normpath(context_fixture['xdg-cache'])
assert isinstance(context, Context)
context.load(config=os.devnull)
assert context.sourcedir == os.path.join(cache_home, 'buildstream', 'sources')
assert context.builddir == os.path.join(cache_home, 'buildstream', 'build')
assert context.cachedir == os.path.join(cache_home, 'buildstream')
assert context.logdir == os.path.join(cache_home, 'buildstream', 'logs')
# Assert that a changed XDG_CACHE_HOME doesn't cause issues
def test_context_load_envvar(context_fixture):
os.environ['XDG_CACHE_HOME'] = '/some/path/'
context = context_fixture['context']
assert isinstance(context, Context)
context.load(config=os.devnull)
assert context.sourcedir == os.path.join('/', 'some', 'path', 'buildstream', 'sources')
assert context.builddir == os.path.join('/', 'some', 'path', 'buildstream', 'build')
assert context.cachedir == os.path.join('/', 'some', 'path', 'buildstream')
assert context.logdir == os.path.join('/', 'some', 'path', 'buildstream', 'logs')
# Reset the environment variable
del os.environ['XDG_CACHE_HOME']
# Test that values in a user specified config file
# override the defaults
@pytest.mark.datafiles(os.path.join(DATA_DIR))
def test_context_load_user_config(context_fixture, datafiles):
context = context_fixture['context']
cache_home = context_fixture['xdg-cache']
assert isinstance(context, Context)
conf_file = os.path.join(datafiles.dirname,
datafiles.basename,
'userconf.yaml')
context.load(conf_file)
assert context.sourcedir == os.path.expanduser('~/pony')
assert context.builddir == os.path.join(cache_home, 'buildstream', 'build')
assert context.cachedir == os.path.join(cache_home, 'buildstream')
assert context.logdir == os.path.join(cache_home, 'buildstream', 'logs')
#######################################
# Test failure modes #
#######################################
@pytest.mark.datafiles(os.path.join(DATA_DIR))
def test_context_load_missing_config(context_fixture, datafiles):
context = context_fixture['context']
assert isinstance(context, Context)
conf_file = os.path.join(datafiles.dirname,
datafiles.basename,
'nonexistant.yaml')
with pytest.raises(LoadError) as exc:
context.load(conf_file)
assert exc.value.reason == LoadErrorReason.MISSING_FILE
@pytest.mark.datafiles(os.path.join(DATA_DIR))
def test_context_load_malformed_config(context_fixture, datafiles):
context = context_fixture['context']
assert isinstance(context, Context)
conf_file = os.path.join(datafiles.dirname,
datafiles.basename,
'malformed.yaml')
with pytest.raises(LoadError) as exc:
context.load(conf_file)
assert exc.value.reason == LoadErrorReason.INVALID_YAML
@pytest.mark.datafiles(os.path.join(DATA_DIR))
def test_context_load_notdict_config(context_fixture, datafiles):
context = context_fixture['context']
assert isinstance(context, Context)
conf_file = os.path.join(datafiles.dirname,
datafiles.basename,
'notdict.yaml')
with pytest.raises(LoadError) as exc:
context.load(conf_file)
# XXX Should this be a different LoadErrorReason ?
assert exc.value.reason == LoadErrorReason.INVALID_YAML
|
