def test_correct_metadata_directory_names_do_not_throw_error(self):
def mock_find_distributions(unused_paths):
return [
Distribution('dependency-1', '1.5.1', {}),
Distribution('dependency2', '5.0.0', {}),
Distribution('dependency-5', '0.5.3', {}),
Distribution('dependency6', '0.5.3', {
'direct_url.json': json.dumps({
'url': 'git://github.com/oppia/dependency6',
'vcs_info': {'vcs': 'git', 'commit_id': 'z' * 40},
})
}),
]
def mock_list_dir(unused_path):
return [
'dependency-1-1.5.1.dist-info',
'dependency2-5.0.0.egg-info',
'dependency-5-0.5.3-py2.7.egg-info',
'dependency_6-0.5.3-py2.7.egg-info',
]
def mock_is_dir(unused_path):
return True
swap_find_distributions = self.swap(
pkg_resources, 'find_distributions', mock_find_distributions)
swap_list_dir = self.swap(os, 'listdir', mock_list_dir)
swap_is_dir = self.swap(os.path, 'isdir', mock_is_dir)
with swap_find_distributions, swap_list_dir, swap_is_dir:
install_backend_python_libs.validate_metadata_directories()
def test_exception_raised_when_metadata_directory_names_are_missing(self):
def mock_find_distributions(paths): # pylint: disable=unused-argument
class Distribution(python_utils.OBJECT):
"""Distribution object containing python library information."""
def __init__(self, library_name, version_string):
"""Creates mock distribution metadata class that contains
the name and version information for a python library.
Args:
library_name: str. The name of the library this object
is representing.
version_string: str. The stringified version of this
library.
"""
self.project_name = library_name
self.version = version_string
return [
Distribution('dependency1', '1.5.1'),
Distribution('dependency2', '5.0.0'),
Distribution('dependency5', '0.5.3')
]
def mock_list_dir(path): # pylint: disable=unused-argument
return [
'dependency1-1.5.1.dist-info',
'dependency1',
'dependency2',
'dependency2-5.0.0.dist-info',
'dependency5',
'dependency5-0.5.3.metadata',
]
def mock_is_dir(path): # pylint: disable=unused-argument
return True
swap_find_distributions = self.swap(
pkg_resources, 'find_distributions', mock_find_distributions)
swap_list_dir = self.swap(
os, 'listdir', mock_list_dir)
swap_is_dir = self.swap(
os.path, 'isdir', mock_is_dir
)
metadata_exception = self.assertRaisesRegexp(
Exception,
'The python library dependency5 was installed without the correct '
'metadata folders which may indicate that the convention for '
'naming the metadata folders have changed. Please go to '
'`scripts/install_backend_python_libs` and modify our '
'assumptions in the '
'_get_possible_normalized_metadata_directory_names'
' function for what metadata directory names can be.')
with swap_find_distributions, swap_list_dir, metadata_exception:
with swap_is_dir:
install_backend_python_libs.validate_metadata_directories()
def test_exception_raised_when_metadata_directory_names_are_missing(self):
def mock_find_distributions(paths): # pylint: disable=unused-argument
return [
Distribution('dependency1', '1.5.1', {}),
Distribution('dependency2', '5.0.0', {}),
Distribution('dependency5', '0.5.3', {}),
Distribution(
'dependency6', '0.5.3', {
'direct_url.json':
json.dumps({
'url': 'git://github.com/oppia/dependency6',
'vcs_info': {
'vcs': 'git',
'commit_id': 'z' * 40
},
})
}),
]
def mock_list_dir(path): # pylint: disable=unused-argument
return [
'dependency1-1.5.1.dist-info',
'dependency1',
'dependency2',
'dependency2-5.0.0.dist-info',
'dependency5',
'dependency5-0.5.3.metadata',
]
def mock_is_dir(path): # pylint: disable=unused-argument
return True
swap_find_distributions = self.swap(pkg_resources,
'find_distributions',
mock_find_distributions)
swap_list_dir = self.swap(os, 'listdir', mock_list_dir)
swap_is_dir = self.swap(os.path, 'isdir', mock_is_dir)
metadata_exception = self.assertRaisesRegexp(
Exception,
'The python library dependency5 was installed without the correct '
'metadata folders which may indicate that the convention for '
'naming the metadata folders have changed. Please go to '
'`scripts/install_backend_python_libs` and modify our '
'assumptions in the '
'_get_possible_normalized_metadata_directory_names'
' function for what metadata directory names can be.')
with swap_find_distributions, swap_list_dir, metadata_exception:
with swap_is_dir:
install_backend_python_libs.validate_metadata_directories()
