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|
import unittest
import yaml
from unittest.mock import patch
from parameterized import parameterized
import __res as res
NAMESPACE_PREFIX = b'py/namespace/'
TEST_SOURCE_ROOT = '/home/arcadia'
class ImporterMocks(object):
def __init__(self, mock_fs, mock_resources):
self._mock_fs = mock_fs
self._mock_resources = mock_resources
self._patchers = [
patch('__res.iter_keys', wraps=self._iter_keys),
patch('__res.__resource.find', wraps=self._resource_find),
patch('__res._path_isdir', wraps=self._path_isdir),
patch('__res._path_isfile', wraps=self._path_isfile),
patch('__res._os.listdir', wraps=self._os_listdir),
]
for patcher in self._patchers:
patcher.start()
def stop(self):
for patcher in self._patchers:
patcher.stop()
def _iter_keys(self, prefix):
assert prefix == NAMESPACE_PREFIX
l = len(prefix)
for k in self._mock_resources.keys():
yield k, k[l:]
def _resource_find(self, key):
return self._mock_resources.get(key)
def _lookup_mock_fs(self, filename):
path = filename.lstrip('/').split('/')
curdir = self._mock_fs
for item in path:
if item in curdir:
curdir = curdir[item]
else:
return None
return curdir
def _path_isfile(self, filename):
f = self._lookup_mock_fs(filename)
return isinstance(f, str)
def _path_isdir(self, filename):
f = self._lookup_mock_fs(filename)
return isinstance(f, dict)
def _os_listdir(self, dirname):
f = self._lookup_mock_fs(dirname)
if isinstance(f, dict):
return f.keys()
else:
return []
class ArcadiaSourceFinderTestCase(unittest.TestCase):
def setUp(self):
self.import_mock = ImporterMocks(yaml.safe_load(self._get_mock_fs()), self._get_mock_resources())
self.arcadia_source_finder = res.ArcadiaSourceFinder(TEST_SOURCE_ROOT)
def tearDown(self):
self.import_mock.stop()
def _get_mock_fs(self):
raise NotImplementedError()
def _get_mock_resources(self):
raise NotImplementedError()
class TestLibraryWithoutNamespace(ArcadiaSourceFinderTestCase):
def _get_mock_fs(self):
return '''
home:
arcadia:
project:
lib:
mod1.py: ""
package1:
mod2.py: ""
'''
def _get_mock_resources(self):
return {
b'py/namespace/unique_prefix1/project/lib': b'project.lib.',
}
@parameterized.expand([
('project.lib.mod1', b'project/lib/mod1.py'),
('project.lib.package1.mod2', b'project/lib/package1/mod2.py'),
('project.lib.unknown_module', None),
('project.lib', None), # package
])
def test_get_module_path(self, module, path):
assert path == self.arcadia_source_finder.get_module_path(module)
@parameterized.expand([
('project.lib.mod1', False),
('project.lib.package1.mod2', False),
('project', True),
('project.lib', True),
('project.lib.package1', True),
])
def test_is_packages(self, module, is_package):
assert is_package == self.arcadia_source_finder.is_package(module)
def test_is_package_for_unknown_module(self):
self.assertRaises(ImportError, lambda: self.arcadia_source_finder.is_package('project.lib.package2'))
@parameterized.expand([
('', {
('PFX.project', True),
}),
('project.', {
('PFX.lib', True),
}),
('project.lib.', {
('PFX.mod1', False),
('PFX.package1', True),
}),
('project.lib.package1.', {
('PFX.mod2', False),
}),
])
def test_iter_modules(self, package_prefix, expected):
got = self.arcadia_source_finder.iter_modules(package_prefix, 'PFX.')
assert expected == set(got)
# Check iter_modules() don't crash and return correct result after not existing module was requested
def test_iter_modules_after_unknown_module_import(self):
self.arcadia_source_finder.get_module_path('project.unknown_module')
assert {('lib', True)} == set(self.arcadia_source_finder.iter_modules('project.', ''))
class TestLibraryExtendedFromAnotherLibrary(ArcadiaSourceFinderTestCase):
def _get_mock_fs(self):
return '''
home:
arcadia:
project:
lib:
mod1.py: ''
lib_extension:
mod2.py: ''
'''
def _get_mock_resources(self):
return {
b'py/namespace/unique_prefix1/project/lib': b'project.lib.',
b'py/namespace/unique_prefix2/project/lib_extension': b'project.lib.',
}
@parameterized.expand([
('project.lib.mod1', b'project/lib/mod1.py'),
('project.lib.mod2', b'project/lib_extension/mod2.py'),
])
def test_get_module_path(self, module, path):
assert path == self.arcadia_source_finder.get_module_path(module)
@parameterized.expand([
('project.lib.', {
('PFX.mod1', False),
('PFX.mod2', False),
}),
])
def test_iter_modules(self, package_prefix, expected):
got = self.arcadia_source_finder.iter_modules(package_prefix, 'PFX.')
assert expected == set(got)
class TestNamespaceAndTopLevelLibraries(ArcadiaSourceFinderTestCase):
def _get_mock_fs(self):
return '''
home:
arcadia:
project:
ns_lib:
mod1.py: ''
top_level_lib:
mod2.py: ''
'''
def _get_mock_resources(self):
return {
b'py/namespace/unique_prefix1/project/ns_lib': b'ns.',
b'py/namespace/unique_prefix2/project/top_level_lib': b'.',
}
@parameterized.expand([
('ns.mod1', b'project/ns_lib/mod1.py'),
('mod2', b'project/top_level_lib/mod2.py'),
])
def test_get_module_path(self, module, path):
assert path == self.arcadia_source_finder.get_module_path(module)
@parameterized.expand([
('ns', True),
('ns.mod1', False),
('mod2', False),
])
def test_is_packages(self, module, is_package):
assert is_package == self.arcadia_source_finder.is_package(module)
@parameterized.expand([
'project',
'project.ns_lib',
'project.top_level_lib',
])
def test_is_package_for_unknown_modules(self, module):
self.assertRaises(ImportError, lambda: self.arcadia_source_finder.is_package(module))
@parameterized.expand([
('', {
('PFX.ns', True),
('PFX.mod2', False),
}),
('ns.', {
('PFX.mod1', False),
}),
])
def test_iter_modules(self, package_prefix, expected):
got = self.arcadia_source_finder.iter_modules(package_prefix, 'PFX.')
assert expected == set(got)
class TestIgnoreDirectoriesWithYaMakeFile(ArcadiaSourceFinderTestCase):
''' Packages and modules from tests should not be part of pylib namespace '''
def _get_mock_fs(self):
return '''
home:
arcadia:
contrib:
python:
pylib:
mod1.py: ""
tests:
conftest.py: ""
ya.make: ""
'''
def _get_mock_resources(self):
return {
b'py/namespace/unique_prefix1/contrib/python/pylib': b'pylib.',
}
def test_get_module_path_for_lib(self):
assert b'contrib/python/pylib/mod1.py' == self.arcadia_source_finder.get_module_path('pylib.mod1')
def test_get_module_for_tests(self):
assert self.arcadia_source_finder.get_module_path('pylib.tests.conftest') is None
def test_is_package_for_tests(self):
self.assertRaises(ImportError, lambda: self.arcadia_source_finder.is_package('pylib.tests'))
class TestMergingNamespaceAndDirectoryPackages(ArcadiaSourceFinderTestCase):
''' Merge parent package (top level in this test) dirs with namespace dirs (DEVTOOLS-8979) '''
def _get_mock_fs(self):
return '''
home:
arcadia:
contrib:
python:
pylint:
ya.make: ""
pylint:
__init__.py: ""
patcher:
patch.py: ""
ya.make: ""
'''
def _get_mock_resources(self):
return {
b'py/namespace/unique_prefix1/contrib/python/pylint': b'.',
b'py/namespace/unique_prefix1/contrib/python/pylint/patcher': b'pylint.',
}
@parameterized.expand([
('pylint.__init__', b'contrib/python/pylint/pylint/__init__.py'),
('pylint.patch', b'contrib/python/pylint/patcher/patch.py'),
])
def test_get_module_path(self, module, path):
assert path == self.arcadia_source_finder.get_module_path(module)
class TestEmptyResources(ArcadiaSourceFinderTestCase):
def _get_mock_fs(self):
return '''
home:
arcadia:
project:
lib:
mod1.py: ''
'''
def _get_mock_resources(self):
return {}
def test_get_module_path(self):
assert self.arcadia_source_finder.get_module_path('project.lib.mod1') is None
def test_is_package(self):
self.assertRaises(ImportError, lambda: self.arcadia_source_finder.is_package('project'))
def test_iter_modules(self):
assert [] == list(self.arcadia_source_finder.iter_modules('', 'PFX.'))
|
