import sys

from setuptools import depends


class TestGetModuleConstant:

	def test_basic(self):
		"""
		Invoke get_module_constant on a module in
		the test package.
		"""
		mod_name = 'setuptools.tests.mod_with_constant'
		val = depends.get_module_constant(mod_name, 'value')
		assert val == 'three, sir!'
		assert 'setuptools.tests.mod_with_constant' not in sys.modules
