# Copyright (c) The PyAMF Project.
# See LICENSE.txt for details.

"""
Tests for the L{collections} L{pyamf.adapters._collections} module.

@since: 0.5
"""

try:
    import collections
except ImportError:
    collections = None

import unittest

import pyamf


class CollectionsTestCase(unittest.TestCase):
    """
    """

    def setUp(self):
        if not collections:
            self.skipTest("'collections' not available")

    def encdec(self, encoding):
        return pyamf.decode(pyamf.encode(self.obj, encoding=encoding),
            encoding=encoding).next()


class DequeTestCase(CollectionsTestCase):
    """
    Tests for L{collections.deque}
    """

    def setUp(self):
        CollectionsTestCase.setUp(self)

        self.orig = [1, 2, 3]
        self.obj = collections.deque(self.orig)

    def test_amf0(self):
        self.assertEqual(self.encdec(pyamf.AMF0), self.orig)

    def test_amf3(self):
        self.assertEqual(self.encdec(pyamf.AMF3), self.orig)


class DefaultDictTestCase(CollectionsTestCase):
    """
    Tests for L{collections.defaultdict}
    """

    def setUp(self):
        CollectionsTestCase.setUp(self)

        if not hasattr(collections, 'defaultdict'):
            self.skipTest("'collections.defaultdict' not available")

        s = 'mississippi'
        self.obj = collections.defaultdict(int)

        for k in s:
            self.obj[k] += 1

        self.orig = dict(self.obj)

    def test_amf0(self):
        self.assertEqual(self.encdec(pyamf.AMF3), self.orig)

    def test_amf3(self):
        self.assertEqual(self.encdec(pyamf.AMF3), self.orig)