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authoryum <yum.food.vr@gmail.com>2023-01-01 21:05:27 -0800
committeryum <yum.food.vr@gmail.com>2023-01-01 21:44:45 -0800
commite25bdba3a3a53b09be5269d8b065c13b73ab55c3 (patch)
tree1d1dc1d94cde92c2f4f8ce86017395054787515d /FOSS/Python/Dependencies/future-0.18.2/tests/test_future/test_chainmap.py
parent0d408cc812a094a708edbe4baf536e928731cfc3 (diff)
Embed git in package
package.ps1 fetches PortableGit and embeds it in the package. This eliminates all but one runtime dependency (MSVC++ Redistributable). * Move Python into a new FOSS folder.
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+"""
+Tests for the future.standard_library module
+"""
+
+from __future__ import absolute_import, print_function
+from future import standard_library
+from future import utils
+from future.tests.base import unittest, CodeHandler, expectedFailurePY2
+
+import sys
+import tempfile
+import os
+import copy
+import textwrap
+from subprocess import CalledProcessError
+
+
+class TestChainMap(CodeHandler):
+
+ def setUp(self):
+ self.interpreter = sys.executable
+ standard_library.install_aliases()
+ super(TestChainMap, self).setUp()
+
+ def tearDown(self):
+ # standard_library.remove_hooks()
+ pass
+
+ @staticmethod
+ def simple_cm():
+ from collections import ChainMap
+ c = ChainMap()
+ c['one'] = 1
+ c['two'] = 2
+
+ cc = c.new_child()
+ cc['one'] = 'one'
+
+ return c, cc
+
+
+ def test_repr(self):
+ c, cc = TestChainMap.simple_cm()
+
+ order1 = "ChainMap({'one': 'one'}, {'one': 1, 'two': 2})"
+ order2 = "ChainMap({'one': 'one'}, {'two': 2, 'one': 1})"
+ assert repr(cc) in [order1, order2]
+
+
+ def test_recursive_repr(self):
+ """
+ Test for degnerative recursive cases. Very unlikely in
+ ChainMaps. But all must bow before the god of testing coverage.
+ """
+ from collections import ChainMap
+ c = ChainMap()
+ c['one'] = c
+ assert repr(c) == "ChainMap({'one': ...})"
+
+
+ def test_get(self):
+ c, cc = TestChainMap.simple_cm()
+
+ assert cc.get('two') == 2
+ assert cc.get('three') == None
+ assert cc.get('three', 'notthree') == 'notthree'
+
+
+ def test_bool(self):
+ from collections import ChainMap
+ c = ChainMap()
+ assert not(bool(c))
+
+ c['one'] = 1
+ c['two'] = 2
+ assert bool(c)
+
+ cc = c.new_child()
+ cc['one'] = 'one'
+ assert cc
+
+
+ def test_fromkeys(self):
+ from collections import ChainMap
+ keys = 'a b c'.split()
+ c = ChainMap.fromkeys(keys)
+ assert len(c) == 3
+ assert c['a'] == None
+ assert c['b'] == None
+ assert c['c'] == None
+
+
+ def test_copy(self):
+ c, cc = TestChainMap.simple_cm()
+ new_cc = cc.copy()
+ assert new_cc is not cc
+ assert sorted(new_cc.items()) == sorted(cc.items())
+
+
+ def test_parents(self):
+ c, cc = TestChainMap.simple_cm()
+
+ new_c = cc.parents
+ assert c is not new_c
+ assert len(new_c) == 2
+ assert new_c['one'] == c['one']
+ assert new_c['two'] == c['two']
+
+
+ def test_delitem(self):
+ c, cc = TestChainMap.simple_cm()
+
+ with self.assertRaises(KeyError):
+ del cc['two']
+
+ del cc['one']
+ assert len(cc) == 2
+ assert cc['one'] == 1
+ assert cc['two'] == 2
+
+
+ def test_popitem(self):
+ c, cc = TestChainMap.simple_cm()
+
+ assert cc.popitem() == ('one', 'one')
+
+ with self.assertRaises(KeyError):
+ cc.popitem()
+
+
+ def test_pop(self):
+ c, cc = TestChainMap.simple_cm()
+
+ assert cc.pop('one') == 'one'
+
+ with self.assertRaises(KeyError):
+ cc.pop('two')
+
+ assert len(cc) == 2
+
+
+ def test_clear(self):
+ c, cc = TestChainMap.simple_cm()
+
+ cc.clear()
+ assert len(cc) == 2
+ assert cc['one'] == 1
+ assert cc['two'] == 2
+
+
+ def test_missing(self):
+
+ c, cc = TestChainMap.simple_cm()
+
+ with self.assertRaises(KeyError):
+ cc['clown']
+
+
+if __name__ == '__main__':
+ unittest.main()