# *-* coding: utf-8 *-*

#

# 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 os, shutil

import sys

import re

import __init__

from ruleplugin import ruleml, relations

from cone.public import api, exceptions

ROOT_PATH = os.path.dirname(os.path.abspath(__file__))

class MockObject(object):

    pass

class MockFeature(object):

    def __init__(self, ref, feature_values):

        self.ref = ref

        self.feature_values = feature_values

    def get_value(self):

        return self.feature_values[self.ref]

    def set_value(self, value):

        self.feature_values[self.ref] = value

class MockConfigurationContext(object):

    def __init__(self, feature_values):

        self.data = MockObject()

        default_view = MockObject()

        default_view.get_feature = lambda ref: MockFeature(ref, feature_values)

        self.data.get_default_view = lambda: default_view

        self.ref_eval_callback = None

class MockExpression(object):

    def __init__(self, expression):

        self.expression = repr(expression)

class TestEvalExpression(unittest.TestCase):

    def test_extract_refs(self):

        ee = relations.EvalExpression(

            None, MockExpression("'%05d 0x%08X %d' % (${Feature1.Setting1}.get_value(), ${Feature1.Setting2}.get_value(), ${Feature2.Setting1}.get_value())"))

        self.assertEquals(sorted(ee.extract_refs()), sorted(["Feature1.Setting1", "Feature1.Setting2", "Feature2.Setting1"]))

        ee = relations.EvalExpression(None, MockExpression("'%05d 0x%08X %d' % (1, 2, 3)"))

        self.assertEquals(ee.extract_refs(), [])

        ee = relations.EvalExpression(None, MockExpression(u"${ударения.ελληνικά}"))

        self.assertEquals(ee.extract_refs(), [u'ударения.ελληνικά'])

    def test_execute(self):

        feature_values = {

            "Feature1.Setting1":  16,

            "Feature1.Setting2":  32,

            "Feature2.Setting1":  64,

            u'ударения.ελληνικά': 100,

        }

        context = MockConfigurationContext(feature_values)

        ee = relations.EvalExpression(None,

            MockExpression("'%05d 0x%08X %d' % (@{Feature1.Setting1}.get_value(), @{Feature1.Setting2}.get_value(), @{Feature2.Setting1}.get_value())"))

        self.assertEquals(ee.eval(context), "00016 0x00000020 64")

        ee = relations.EvalExpression(None, MockExpression("'%05d 0x%08X %d' % (1, 2, 3)"))

        self.assertEquals(ee.eval(context), "00001 0x00000002 3")

        ee = relations.EvalExpression(None, MockExpression(u"'%d' % @{ударения.ελληνικά}.get_value()"))

        self.assertEquals(ee.eval(context), "100")

class TestReplaceEvalBlocks(unittest.TestCase):

    def test_replace_eval_blocks(self):

        replace = ruleml.RuleImplReader2._replace_eval_blocks

        orig = """some.setting configures x = y"""

        self.assertEquals(replace(orig), orig)

        orig = """some.setting configures x = {% do_something(@{Fea.Set}) %}"""

        self.assertEquals(replace(orig), """some.setting configures x = __eval__ 'do_something(@{Fea.Set})'""")

        orig = """{% 'test' %}"""

        self.assertEquals(replace(orig), '''__eval__ "'test'"''')

        orig = """{%'test'%}"""

        self.assertEquals(replace(orig), '''__eval__ "'test'"''')

        orig = """{% len(@{Fea.Set}.get_value()) %} == 3 configures x = {% do_something('test') %}"""

        self.assertEquals(replace(orig), '''__eval__ 'len(@{Fea.Set}.get_value())' == 3 configures x = __eval__ "do_something('test')"''')

        orig = u"True configures X.Y = {% len(@{ударения.ελληνικά}.get_value()) %}"

        self.assertEquals(replace(orig), u"True configures X.Y = __eval__ %r" % u"len(@{ударения.ελληνικά}.get_value())")

if __name__ == "__main__":

    unittest.main()