Adding EPL version of configurationengine.
# *-* coding: utf8 *-*
#
# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
# All rights reserved.
# This component and the accompanying materials are made available
# under the terms of "Eclipse Public License v1.0"
# which accompanies this distribution, and is available
# at the URL "http://www.eclipse.org/legal/epl-v10.html".
#
# Initial Contributors:
# Nokia Corporation - initial contribution.
#
# Contributors:
#
# Description:
#
import unittest
import sys, os
import __init__
from cone.public.api import CompositeConfiguration, Feature
from cone.public.rules import ASTInterpreter, RelationContainerImpl, RELATIONS, get_tokens
from cone.public.rules import ParseException, DefaultContext, BaseRelation, RequireExpression, OPERATORS
#### TEST RELATIONS ####
AA_BA = 'a.a require b.b'
AB_BB = 'a.b require b.b'
BA_CA = 'b.a require c.a and c.b and a.b'
CB_DA = 'c.b require d.a'
DA_DB = 'd.a require d.b'
AC_AB_BA = 'a.c and a.a require b.a'
EA_FSTAR = 'e.a require f.*'
TEST_RELATIONS = {
'a.a' : [AA_BA],
'a.b' : [AB_BB],
'a.c' : [AC_AB_BA],
'b.a' : [BA_CA],
'c.b' : [CB_DA],
'd.a' : [DA_DB],
'e.a' : [EA_FSTAR]
}
class DummyRelationFactory():
def get_relations_for(self, configuration, ref):
rels = TEST_RELATIONS.get(ref)
if rels:
relation_container = RelationContainerImpl()
for rel in rels:
rel_s = rel.split(' ')
from_ref = rel_s[0]
relation_name = 'require'
to_ref = ' '.join(rel_s[2:])
relation = RELATIONS.get(relation_name)(configuration, from_ref, to_ref)
relation_container.add_relation(relation)
propagated_relations = self.get_relations_for(configuration, to_ref)
if propagated_relations:
for relation in propagated_relations:
relation_container.add_relation(relation)
return relation_container
return None
class DummyConfiguration(object):
VALUES = {
'a.a' : True,
'a.b' : False,
'a.c' : False,
'b.a' : True,
'b.b' : True,
'c.b' : False,
'd.a' : True,
'e.a' : True,
}
def get_feature(self, ref):
return DummyConfiguration.VALUES.get(ref, False)
class DummyContext(DefaultContext):
def handle_terminal(self, expression):
return DummyConfiguration.VALUES.get(expression, False)
class DummyBaseRelation(BaseRelation):
def __init__(self, data, left, right):
self.context = DummyContext(data)
super(DummyBaseRelation, self).__init__(data, left, right)
class DummyRequireRelation(DummyBaseRelation):
KEY = 'require'
def __init__(self, data, left, right):
self.context = DummyContext(data)
super(DummyRequireRelation, self).__init__(data, left, right)
RELATIONS[DummyRequireRelation.KEY] = DummyRequireRelation
OPERATORS['require'] = RequireExpression
multilines = \
"""
APs.AP configures KCRUidCommsDatCreator.KCommsDatCreatorInputFileName = 'VariantData_commsdat.xml' and
KCRUidStartupSettings.KCRKeyAccessPointPlugin = '0' and
KCRUidStartupSettings.KCRKeyStreamingPlugin = '0' and
KCRUidStartupSettings.KCRKeyMusicShopPlugin = '0' and
KCRUidStartupSettings.KCRKeyDeviceManagementPlugin = '0' and
KCRUidStartupSettings.KCRKeyAGPSPlugin = '0'
"""
class TestRelations(unittest.TestCase):
def setUp(self):
self.configuration = DummyConfiguration()
def test_has_ref(self):
"""
Tests the relation and relation container
"""
factory = DummyRelationFactory()
rels = factory.get_relations_for(self.configuration, 'a.a')
ret= rels.execute()
self.assertTrue(ret)
def test_not_has_ref(self):
factory = DummyRelationFactory()
# depends on c.a which has no value in conf
rels = factory.get_relations_for(self.configuration, 'b.a')
ret = rels.execute()
self.assertFalse(ret)
for rel in rels:
ip = rel.interpreter
self.assertTrue(ip.errors)
errors = ip.errors
self.assertTrue(errors.get('b.a'))
def test_not_has_ref_in_container(self):
factory = DummyRelationFactory()
rels = factory.get_relations_for(self.configuration, 'c.b')
ret = rels.execute()
self.assertFalse(ret)
def test_two_on_the_left(self):
factory = DummyRelationFactory()
rels = factory.get_relations_for(self.configuration, 'a.c')
ret = rels.execute()
self.assertTrue(ret)
class TestASTInterpreter(unittest.TestCase):
def test_require(self):
ip = ASTInterpreter('a excludes b require 0')
ret = ip.eval()
def test_get_tokens(self):
self.assertEquals(get_tokens("foo=(2+1) * 3"),['foo','=','(','2','+','1',')','*','3'])
self.assertEquals(get_tokens("Arithmetic.MixedResult3 = (Arithmetic.Value2 / 2 + Arithmetic.Value1 * 9) - 7"),['Arithmetic.MixedResult3', '=', '(', 'Arithmetic.Value2', '/', '2', '+', 'Arithmetic.Value1', '*', '9', ')', '-', '7'])
print get_tokens(multilines)
self.assertEquals(len(get_tokens(multilines)),25)
def test_get_unindented_multiline_tokens(self):
self.assertEquals(
get_tokens("foo = 2+bar\nand foobar = 3 and\nfubar=4"),
['foo', '=', '2', '+', 'bar', 'and', 'foobar', '=', '3', 'and', 'fubar', '=', '4'])
def test_get_tab_separated_tokens(self):
self.assertEquals(
get_tokens("foo\tconfigures\t\tbar\t=\t5"),
['foo', 'configures', 'bar', '=', '5'])
def test_get_unicode_tokens(self):
self.assertEquals(
get_tokens(u'xÿz configures xzÿ = ÿxá'),
[u'xÿz', 'configures', u'xzÿ', '=', u'ÿxá'])
def test_get_unicode_tokens_2(self):
self.assertEquals(
get_tokens(u'ελληνικά configures ünicode = u"test string" + ελληνικά'),
[u'ελληνικά', 'configures', u'ünicode', '=', 'u"test string"', '+', u'ελληνικά'])
def test_get_unicode_tokens_3(self):
self.assertEquals(
get_tokens(u'oöoä äöoö oöo öoö äaäa'),
[u'oöoä', u'äöoö', u'oöo', u'öoö', u'äaäa'])
def test_get_unicode_tokens_4(self):
self.assertEquals(
get_tokens(u'ünicode.rêf1 require rêf2 . ελληνικά'),
[u'ünicode.rêf1', u'require', u'rêf2.ελληνικά'])
def test_get_unicode_tokens_multiline(self):
tokenstr = u"""
foo=(2+1) * 3
xÿz configures xzÿ = ÿxá
ελληνικά configures ünicode = u"test string" + ελληνικά"""
expected = [
'foo', '=', '(', '2', '+', '1', ')', '*', '3',
u'xÿz', 'configures', u'xzÿ', '=', u'ÿxá',
u'ελληνικά', 'configures', u'ünicode', '=', 'u"test string"', '+', u'ελληνικά',
]
actual = get_tokens(tokenstr)
self.assertEquals(actual, expected, '\n%r \n!= \n%r' % (actual, expected))
def test_multiline_string(self):
tokenstr = '''
"""
tes-
ti
"""
'''
expected = ['"""\ntes-\nti\n"""']
self.assertEquals(get_tokens(tokenstr), expected)
def test_syntax_error(self):
try:
ip = ASTInterpreter('a and and')
self.assertTrue(False)
except ParseException:
self.assertTrue(True)
def test_empty_expression(self):
expression = ''
ip = ASTInterpreter(expression)
result = ip.eval()
self.assertFalse(result)
def test_no_expression(self):
ip = ASTInterpreter()
result = ip.eval()
self.assertFalse(result)
try:
ip.create_ast(None)
self.assertFalse(True)
except ParseException:
self.assertTrue(True)
ip.create_ast('1 and 1')
result = ip.eval()
self.assertTrue(result)
def test_one_param_ops(self):
ip = ASTInterpreter('1 and truth 1')
result = ip.eval()
self.assertTrue(result)
ip.create_ast('1 and truth 0')
result = ip.eval()
self.assertFalse(result)
ip.create_ast(u'1 and truth not 0')
result = ip.eval()
self.assertTrue(result)
def test_infix_to_postfix(self):
expression = '1 and not 1'
ip = ASTInterpreter(expression)
self.assertEqual(ip.postfix_array, ['1', '1', 'not', 'and'])
self.assertFalse(ip.eval())
def test_infix_to_postfix_pars(self):
expression = '1 and ( 0 or 1 and 1 )'
ip = ASTInterpreter(expression)
self.assertEqual(ip.postfix_array, ['1', '0', '1', 'or', '1', 'and', 'and'])
self.assertTrue(ip.eval())
def test_not(self):
ip = ASTInterpreter(u'not 1',)
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'not 1')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast('not STRING_VALUE')
ret = ip.eval()
self.assertFalse(ret)
def test_not_with_multiple(self):
ip = ASTInterpreter(u'1 and not 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'1 and not 1')
ret = ip.eval()
self.assertFalse(ret)
def test_and(self):
ip = ASTInterpreter(u'1 and 1 and 0')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'1 and 1 and 1')
ret = ip.eval()
self.assertTrue(ret)
def test_nand(self):
ip = ASTInterpreter(u'1 nand 1 nand 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'1 nand 1 nand 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'1 nand 0 nand 1')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'0 nand 0 nand 0')
ret = ip.eval()
self.assertTrue(ret)
def test_or(self):
ip = ASTInterpreter(u'1 or 1 or 0')
ret = ip.eval()
self.assertTrue(ret)
def test_or_for_exclude(self):
"""
On exclude case if OR returns True -> some element is selected
and the rule evaluation should fail, the exclude rule should
evaluate if PostfixRuleEngine.eval(expression) -> return False
"""
ip = ASTInterpreter(u'1 or 1 or 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'1 or 1 or 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'1 or 0 or 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 or 1 or 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'1 or 0 or 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 or 0 or 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 or 0 or 0')
ret = ip.eval()
self.assertFalse(ret)
def test_nor(self):
ip = ASTInterpreter(u'1 nor 1 nor 1')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'1 nor 1 nor 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 nor 1 nor 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 nor 0 nor 0')
ret = ip.eval()
self.assertFalse(ret)
def test_xor(self):
ip = ASTInterpreter(u'1 xor 1')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'1 xor 0 xor 0')
ret = ip.eval()
self.assertTrue(ret)
def test_eq_cmp(self):
ip = ASTInterpreter(u'1 == 0')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'1 == 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'DEFINED == DEFINED')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'DEFINED == UNDEFINED')
ret = ip.eval()
self.assertFalse(ret)
def test_neq_cmp(self):
ip = ASTInterpreter(u'1 != 1')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'1 != 0')
ret = ip.eval()
self.assertTrue(ret)
def test_lt_cmp(self):
ip = ASTInterpreter(u'0 < 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'-1 < 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'-1 < -2')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'2 < 0')
ret = ip.eval()
self.assertFalse(ret)
def test_gt_cmp(self):
ip = ASTInterpreter(u'0 > -1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'2 > 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 > 1')
ret = ip.eval()
self.assertFalse(ret)
ip.create_ast(u'-1 > 1')
ret = ip.eval()
self.assertFalse(ret)
def test_lte_cmp(self):
ip = ASTInterpreter(u'0 <= 1')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 <= 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'1 <= 0')
ret = ip.eval()
self.assertFalse(ret)
def test_gte_cmp(self):
ip = ASTInterpreter(u'1 >= 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 >= 0')
ret = ip.eval()
self.assertTrue(ret)
ip.create_ast(u'0 >= 1')
ret = ip.eval()
self.assertFalse(ret)
def test_extract_refs(self):
refs = ASTInterpreter.extract_refs('a.a and ( b.c and d.e )')
self.assertTrue('a.a' in refs)
self.assertTrue('b.c' in refs)
self.assertTrue('d.e' in refs)
self.assertTrue('and' not in refs)
def test_one_of(self):
""" Test for showing that relation one-of is basically "LEFT and R1 xor R2"
"""
ip = ASTInterpreter(u'1 and 1 and 1 xor 0')
ret = ip.eval()
self.assertTrue(ret)
if __name__ == '__main__':
unittest.main()