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#! /usr/bin/env python
##############################################################################
## DendroPy Phylogenetic Computing Library.
##
## Copyright 2010-2015 Jeet Sukumaran and Mark T. Holder.
## All rights reserved.
##
## See "LICENSE.rst" for terms and conditions of usage.
##
## If you use this work or any portion thereof in published work,
## please cite it as:
##
## Sukumaran, J. and M. T. Holder. 2010. DendroPy: a Python library
## for phylogenetic computing. Bioinformatics 26: 1569-1571.
##
##############################################################################
"""
ReadonlyOrdedr tests.
"""
import copy
import collections
import unittest
from dendropy.utility import container
class FrozenOrderedDictTest(unittest.TestCase):
def setUp(self):
self.src = collections.OrderedDict()
self.src["a"] = 1
self.src["b"] = 2
self.src["c"] = 3
self.d = container.FrozenOrderedDict(self.src)
def test_basic_readonly_iteration_and_access(self):
for key1, key2 in zip(self.src, self.d):
self.assertEqual(key1, key2)
key = key1
self.assertTrue(key in self.d)
self.assertEqual(self.d[key], self.src[key])
def test_keys(self):
k1 = list(self.src.keys())
k2 = list(self.d.keys())
self.assertEqual(k1, k2)
def test_values(self):
v1 = list(self.src.values())
v2 = list(self.d.values())
self.assertEqual(v1, v2)
def test_readonly(self):
k = list(self.d.keys())[0]
with self.assertRaises(container.FrozenOrderedDict.ImmutableTypeError):
self.d[k] = 1
with self.assertRaises(container.FrozenOrderedDict.ImmutableTypeError):
del self.d[k]
with self.assertRaises(container.FrozenOrderedDict.ImmutableTypeError):
self.d.pop(k)
with self.assertRaises(container.FrozenOrderedDict.ImmutableTypeError):
self.d.clear()
with self.assertRaises(container.FrozenOrderedDict.ImmutableTypeError):
self.d.update({})
with self.assertRaises(container.FrozenOrderedDict.ImmutableTypeError):
self.d.fromkeys([1,2,3])
def test_deepcopy(self):
d2 = copy.deepcopy(self.d)
self.assertIsNot(d2, self.d)
for key1, key2 in zip(d2, self.d):
self.assertEqual(key1, key2)
key = key1
self.assertTrue(key in self.d)
self.assertEqual(self.d[key], d2[key])
def test_copy(self):
d2 = copy.copy(self.d)
self.assertEqual(d2, self.d)
def test_copy_construction(self):
d2 = collections.OrderedDict(self.d)
self.assertEqual(d2, self.d)
if __name__ == "__main__":
unittest.main()
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