# test_get_operator.py -- Portage Unit Testing Functionality
# Copyright 2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

from portage.tests import TestCase
from portage.dep import get_operator

class GetOperator(TestCase):

	def testGetOperator(self):

		# get_operator does not validate operators
		tests = [
			("~", "~"),
			("=", "="),
			(">", ">"),
			(">=", ">="),
			("<=", "<="),
		]

		test_cpvs = ["sys-apps/portage-2.1"]
		slots = [None, "1", "linux-2.5.6"]
		for cpv in test_cpvs:
			for test in tests:
				for slot in slots:
					atom = cpv[:]
					if slot:
						atom += ":" + slot
					result = get_operator(test[0] + atom)
					self.assertEqual(result, test[1],
						msg="get_operator(%s) != %s" % (test[0] + atom, test[1]))

		result = get_operator("sys-apps/portage")
		self.assertEqual(result, None)

		result = get_operator("=sys-apps/portage-2.1*")
		self.assertEqual(result , "=*")