# -*- encoding: utf-8 -*-
"""
pika.data tests

"""
import datetime
import decimal
import unittest
from collections import OrderedDict
from pika.compat import PY2, PY3

from pika import data, exceptions
from pika.compat import long


class DataTests(unittest.TestCase):

    FIELD_TBL_ENCODED = (
        b'\x00\x00\x00\xdc'
        b'\x05arrayA\x00\x00\x00\x0fI\x00\x00\x00\x01I'
        b'\x00\x00\x00\x02I\x00\x00\x00\x03'
        b'\x07boolvalt\x01'
        b'\x07decimalD\x02\x00\x00\x01:'
        b'\x0bdecimal_tooD\x00\x00\x00\x00d'
        b'\x07dictvalF\x00\x00\x00\x0c\x03fooS\x00\x00\x00\x03bar'
        b'\x06intvalI\x00\x00\x00\x01'
        b'\x06bigint\x6c\x00\x00\x00\x00\x9a\x7e\xc8\x00'
        b'\x07longval\x6c\x00\x00\x00\x00\x36\x65\x26\x55'
        b'\x04nullV'
        b'\x06strvalS\x00\x00\x00\x04Test'
        b'\x0ctimestampvalT\x00\x00\x00\x00Ec)\x92'
        b'\x07unicodeS\x00\x00\x00\x08utf8=\xe2\x9c\x93'
        )

    FIELD_TBL_ENCODED += b'\x05bytesx\x00\x00\x00\x06foobar' if PY3 else b'\x05bytesS\x00\x00\x00\x06foobar'

    FIELD_TBL_VALUE = OrderedDict(
        [('array', [1, 2, 3]), ('boolval', True), ('decimal',
                                                   decimal.Decimal('3.14')),
         ('decimal_too', decimal.Decimal('100')), ('dictval', {
             'foo': 'bar'
         }), ('intval', 1), ('bigint', 2592000000), ('longval',
                                                     long(912598613)), ('null',
                                                                        None),
         ('strval', 'Test'), ('timestampval',
                              datetime.datetime(2006, 11, 21, 16, 30,
                                                10)), ('unicode', u'utf8=✓'),
            ('bytes', b'foobar'),
        ])

    def test_decode_bytes(self):
        input = (
                b'\x00\x00\x00\x01'
                b'\x05bytesx\x00\x00\x00\x06foobar'
            )
        result = data.decode_table(input, 0)
        self.assertEqual(result, ({'bytes': b'foobar'}, 21))


    def test_encode_table(self):
        result = []
        data.encode_table(result, self.FIELD_TBL_VALUE)
        self.assertEqual(b''.join(result), self.FIELD_TBL_ENCODED)

    def test_encode_table_bytes(self):
        result = []
        byte_count = data.encode_table(result, self.FIELD_TBL_VALUE)
        self.assertEqual(byte_count, 224)

    def test_decode_table(self):
        value, byte_count = data.decode_table(self.FIELD_TBL_ENCODED, 0)
        self.assertDictEqual(value, self.FIELD_TBL_VALUE)

    def test_decode_table_bytes(self):
        value, byte_count = data.decode_table(self.FIELD_TBL_ENCODED, 0)
        self.assertEqual(byte_count, 224)

    def test_encode_raises(self):
        self.assertRaises(exceptions.UnsupportedAMQPFieldException,
                          data.encode_table, [], {'foo': {1, 2, 3}})

    def test_decode_raises(self):
        self.assertRaises(exceptions.InvalidFieldTypeException,
                          data.decode_table,
                          b'\x00\x00\x00\t\x03fooZ\x00\x00\x04\xd2', 0)