Source code for b3j0f.utils.test.iterable
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# --------------------------------------------------------------------
# The MIT License (MIT)
#
# Copyright (c) 2014 Jonathan Labéjof <jonathan.labejof@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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from unittest import main
from b3j0f.utils.ut import UTCase
from b3j0f.utils.iterable import first, ensureiterable, isiterable
from b3j0f.utils.version import basestring
[docs]class EnsureIterableTest(UTCase):
[docs] def test_list(self):
l = []
itererable = ensureiterable(l)
self.assertEqual(itererable, l)
[docs] def test_dict(self):
l = []
iterable = ensureiterable(l, iterable=dict)
self.assertTrue(isinstance(iterable, dict))
self.assertFalse(iterable)
[docs] def test_exclude(self):
l = ""
iterable = ensureiterable(l, exclude=basestring)
self.assertTrue(iterable)
[docs]class IsIterable(UTCase):
[docs] def test_iterable(self):
"""
Test an iterable value
"""
self.assertTrue(isiterable([]))
[docs] def test_exclude(self):
"""
Test iterable and not allowed types
"""
self.assertFalse(isiterable([], exclude=list))
[docs] def test_excludes(self):
"""
Test iterable with a tuple of exclude types
"""
self.assertFalse(isiterable([], exclude=(list, basestring)))
[docs] def test_not_iterable(self):
"""
Test not iterable element
"""
self.assertFalse(isiterable(None))
[docs]class First(UTCase):
[docs] def test_empty(self):
"""
Test empty iterable
"""
self.assertIs(first([]), None)
[docs] def test_first(self):
"""
Test first element in an iterable
"""
value = 'value'
iterable = [value]
self.assertIs(first(iterable), value)
[docs] def test_default(self):
"""
Test default value
"""
default = 'default'
self.assertIs(first([], default), default)
[docs] def test_notiterable(self):
"""
Test not iterable
"""
self.assertRaises(TypeError, first, True)
if __name__ == '__main__':
main()