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import os
import pytest
from buildstream._exceptions import LoadError, LoadErrorReason
from buildstream._context import Context
from buildstream._project import Project
from buildstream._loader import MetaElement
DATA_DIR = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
'loader',
)
def dummy_handler(message, is_silenced):
pass
def make_loader(basedir):
context = Context()
context.load(config=os.devnull)
context.messenger.set_message_handler(dummy_handler)
project = Project(basedir, context)
return project.loader
##############################################################
# Basics: Test behavior loading the simplest of projects #
##############################################################
@pytest.mark.datafiles(os.path.join(DATA_DIR, 'onefile'))
def test_one_file(datafiles):
basedir = str(datafiles)
loader = make_loader(basedir)
element = loader.load(['elements/onefile.bst'])[0]
assert isinstance(element, MetaElement)
assert element.kind == 'pony'
@pytest.mark.datafiles(os.path.join(DATA_DIR, 'onefile'))
def test_missing_file(datafiles):
basedir = str(datafiles)
loader = make_loader(basedir)
with pytest.raises(LoadError) as exc:
loader.load(['elements/missing.bst'])
assert exc.value.reason == LoadErrorReason.MISSING_FILE
@pytest.mark.datafiles(os.path.join(DATA_DIR, 'onefile'))
def test_invalid_reference(datafiles):
basedir = str(datafiles)
loader = make_loader(basedir)
with pytest.raises(LoadError) as exc:
loader.load(['elements/badreference.bst'])
assert exc.value.reason == LoadErrorReason.INVALID_YAML
@pytest.mark.datafiles(os.path.join(DATA_DIR, 'onefile'))
def test_invalid_yaml(datafiles):
basedir = str(datafiles)
loader = make_loader(basedir)
with pytest.raises(LoadError) as exc:
loader.load(['elements/badfile.bst'])
assert exc.value.reason == LoadErrorReason.INVALID_YAML
@pytest.mark.datafiles(os.path.join(DATA_DIR, 'onefile'))
def test_fail_fullpath_target(datafiles):
basedir = str(datafiles)
fullpath = os.path.join(basedir, 'elements', 'onefile.bst')
with pytest.raises(LoadError) as exc:
loader = make_loader(basedir)
loader.load([fullpath])
assert exc.value.reason == LoadErrorReason.INVALID_DATA
@pytest.mark.datafiles(os.path.join(DATA_DIR, 'onefile'))
def test_invalid_key(datafiles):
basedir = str(datafiles)
loader = make_loader(basedir)
with pytest.raises(LoadError) as exc:
loader.load(['elements/invalidkey.bst'])
assert exc.value.reason == LoadErrorReason.INVALID_DATA
@pytest.mark.datafiles(os.path.join(DATA_DIR, 'onefile'))
def test_invalid_directory_load(datafiles):
basedir = str(datafiles)
loader = make_loader(basedir)
with pytest.raises(LoadError) as exc:
loader.load(['elements/'])
assert exc.value.reason == LoadErrorReason.LOADING_DIRECTORY
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