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# Copyright 2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

from portage.const import PORTAGE_PYM_PATH
from portage.tests import TestCase
from portage import os
from portage import _encodings
from portage import _unicode_decode

class ImportModulesTestCase(TestCase):

	def testImportModules(self):
		for mod in self._list_modules(PORTAGE_PYM_PATH):
			__import__(mod)

	def _list_modules(self, base_dir):
		all_modules = []
		for parent, dirs, files in os.walk(base_dir):
			parent = _unicode_decode(parent,
				encoding=_encodings['fs'], errors='strict')
			parent_mod = parent[len(PORTAGE_PYM_PATH)+1:]
			parent_mod = parent_mod.replace("/", ".")
			for x in files:
				x = _unicode_decode(x,
					encoding=_encodings['fs'], errors='strict')
				if x[-3:] != '.py':
					continue
				x = x[:-3]
				if x[-8:] == '__init__':
					x = parent_mod
				else:
					x = parent_mod + "." + x
				all_modules.append(x)

		return all_modules