#!/usr/bin/python2
# -*- coding: UTF-8 -*-
# Copyright (c) 2016-2017 Tom Zander <tomz@freedommail.ch>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from compactmessageformat import *
import unittest


class TestCMF(unittest.TestCase):

    def test_basic(self):
        buffer = bytearray(b"000000000000000000000000000000000")
        builder = MessageBuilder(buffer, 0)
        builder.add_int(15, 6512)
        self.assertEqual(builder.get_position(), 3)
        self.assertEqual(buffer[0], 120)
        self.assertEqual(buffer[1], 177)
        self.assertEqual(buffer[2], 112)

        parser = MessageParser(buffer, 0, 3)
        self.assertEqual(MessageParser.Type.FoundTag, parser.next())
        self.assertEqual(15, parser.tag)
        self.assertEqual(6512, parser.value)
        self.assertEqual(MessageParser.Type.EndOfDocument, parser.next())

    def test_basic2(self):
        buffer = bytearray(b"000000000000000000000000000000000")
        builder = MessageBuilder(buffer, 0)
        builder.add_int(129, 6512)
        self.assertEqual(builder.get_position(), 5)
        self.assertEqual(buffer[0], 248)
        self.assertEqual(buffer[1], 128)
        self.assertEqual(buffer[2], 1)
        self.assertEqual(buffer[3], 177)
        self.assertEqual(buffer[4], 112)

        parser = MessageParser(buffer, 0, 5)
        self.assertEqual(MessageParser.Type.FoundTag, parser.next())
        self.assertEqual(129, parser.tag)
        self.assertEqual(6512, parser.value)
        self.assertEqual(MessageParser.Type.EndOfDocument, parser.next())

    def test_types(self):
        buffer = bytearray(b"000000000000000000000000000000000")
        builder = MessageBuilder(buffer, 0)
        builder.add_string(1, u"Föo")
        builder.add_bytes(200, b"hihi")
        builder.add_bool(3, True)
        builder.add_bool(40, False)
        self.assertEqual(builder.get_position(), 17)

        # string '1'
        self.assertEqual(buffer[0], 10)
        self.assertEqual(buffer[1], 4)  # serialized string length
        self.assertEqual(buffer[2], 70)
        self.assertEqual(buffer[3], 195)
        self.assertEqual(buffer[4], 182)
        self.assertEqual(buffer[5], 111)

        # blob '200'
        self.assertEqual(buffer[6], 251)
        self.assertEqual(buffer[7], 128)
        self.assertEqual(buffer[8], 72)
        self.assertEqual(buffer[9], 4)  # length of bytearray
        self.assertEqual(buffer[10], 104)  # 'h'
        self.assertEqual(buffer[11], 105)  # 'i'
        self.assertEqual(buffer[12], 104)  # 'h'
        self.assertEqual(buffer[13], 105)  # 'i'

        # bool-true '3'
        self.assertEqual(buffer[14], 28)

        # bool-false '40'
        self.assertEqual(buffer[15], 253)
        self.assertEqual(buffer[16], 40)

        parser = MessageParser(buffer, 0, builder.get_position())
        self.assertEqual(MessageParser.Type.FoundTag, parser.next())
        self.assertEqual(1, parser.tag)
        self.assertEqual(u"Föo".encode('utf-8'), parser.string_value())
        self.assertEqual(MessageParser.Type.FoundTag, parser.next())
        self.assertEqual(200, parser.tag)
        self.assertEqual(b"hihi", parser.string_value())
        self.assertEqual(MessageParser.Type.FoundTag, parser.next())
        self.assertEqual(3, parser.tag)
        self.assertEqual(True, parser.value)
        self.assertEqual(MessageParser.Type.FoundTag, parser.next())
        self.assertEqual(40, parser.tag)
        self.assertEqual(False, parser.value)
        self.assertEqual(MessageParser.Type.EndOfDocument, parser.next())

if __name__ == '__main__':
    unittest.main()