debian-python-lml/tests/test_plugin_loader.py

83 lines
3.1 KiB
Python

from mock import patch
from nose.tools import eq_
@patch('pkgutil.get_importer')
def test_load_from_pyinstaller(pkgutil_get_importer):
sample_toc = set(['pyexcel_io', 'pyexcel_xls', 'blah'])
pkgutil_get_importer.return_value.toc = sample_toc
from lml.plugin import scan_from_pyinstaller
module_names = scan_from_pyinstaller('pyexcel_', 'path')
expected = ['pyexcel_io', 'pyexcel_xls']
eq_(sorted(list(module_names)), sorted(expected))
@patch('pkgutil.get_importer')
@patch('pkgutil.iter_modules')
@patch('lml.plugin.plugin_first')
def test_load_plugins(pre_register,
pkgutil_iter_modules,
pkgutil_get_importer):
sample_toc = set(['pyexcel_io'])
pkgutil_get_importer.return_value.toc = sample_toc
pkgutil_iter_modules.return_value = [('not used', 'pyexcel_xls', True)]
from lml.plugin import scan_plugins
scan_plugins('pyexcel_', '__pyexcel_io_plugins__', '.', ['pyexcel_io'])
plugin_meta = {
'plugin_type': 'pyexcel io plugin',
'file_types': ['xls', 'xlsx', 'xlsm'],
'submodule': 'xls',
'stream_type': 'binary'
}
module_name = 'pyexcel_xls'
pre_register.assert_called_with(plugin_meta, module_name)
@patch('pkgutil.get_importer')
@patch('pkgutil.iter_modules')
@patch('lml.plugin.plugin_first')
def test_load_plugins_without_pyinstaller(pre_register,
pkgutil_iter_modules,
pkgutil_get_importer):
sample_toc = set()
pkgutil_get_importer.return_value.toc = sample_toc
pkgutil_iter_modules.return_value = [('not used', 'pyexcel_xls', True)]
from lml.plugin import scan_plugins
scan_plugins('pyexcel_', '__pyexcel_io_plugins__', '.', ['pyexcel_io'])
plugin_meta = {
'plugin_type': 'pyexcel io plugin',
'file_types': ['xls', 'xlsx', 'xlsm'],
'submodule': 'xls',
'stream_type': 'binary'
}
module_name = 'pyexcel_xls'
pre_register.assert_called_with(plugin_meta, module_name)
@patch('pkgutil.get_importer')
@patch('pkgutil.iter_modules')
@patch('lml.plugin.plugin_first')
def test_load_plugins_without_any_plugins(pre_register,
pkgutil_iter_modules,
pkgutil_get_importer):
sample_toc = set()
pkgutil_get_importer.return_value.toc = sample_toc
pkgutil_iter_modules.return_value = []
from lml.plugin import scan_plugins
scan_plugins('pyexcel_', '__pyexcel_io_plugins__', '.', ['pyexcel_io'])
assert pre_register.called is False
@patch('pkgutil.get_importer')
@patch('pkgutil.iter_modules')
@patch('lml.plugin.plugin_first')
def test_load_plugins_import_error(pre_register,
pkgutil_iter_modules,
pkgutil_get_importer):
sample_toc = set(['test_non_existent_module'])
pkgutil_get_importer.return_value.toc = sample_toc
pkgutil_iter_modules.return_value = [('not used', 'pyexcel_xls', False)]
from lml.plugin import scan_plugins
scan_plugins('test_', '__pyexcel_io_plugins__', '.', ['pyexcel_io'])
assert pre_register.called is False