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How to use is_exhausted method in hypothesis

Best Python code snippet using hypothesis

datatree.py

Source:datatree.py

...152    objects, for use in ConjectureRunner."""153    def __init__(self):154        self.root = TreeNode()155    @property156    def is_exhausted(self):157        """Returns True if every possible node is dead and thus the language158        described must have been fully explored."""159        return self.root.is_exhausted160    def generate_novel_prefix(self, random):161        """Generate a short random string that (after rewriting) is not162        a prefix of any buffer previously added to the tree.163        The resulting prefix is essentially arbitrary - it would be nice164        for it to be uniform at random, but previous attempts to do that165        have proven too expensive.166        """167        assert not self.is_exhausted168        novel_prefix = bytearray()169        def append_int(n_bits, value):170            novel_prefix.extend(int_to_bytes(value, bits_to_bytes(n_bits)))...

test_WritesRetry.py

Source:test_WritesRetry.py

...24        self.assertEqual(retry.exponential_base, 3)25        self.assertEqual(retry.total, 8)26    def test_backoff_max_time(self):27        retry = NonRandomMinWritesRetry(max_retry_time=2)28        self.assertEqual(retry.is_exhausted(), False)29        self.assertEqual(retry.get_backoff_time(), 0)30        retry = retry.increment()31        self.assertEqual(retry.is_exhausted(), False)32        self.assertEqual(retry.get_backoff_time(), 5)33        retry = retry.increment()34        self.assertEqual(retry.is_exhausted(), False)35        self.assertEqual(retry.get_backoff_time(), 10)36        time.sleep(3)37        with self.assertRaises(MaxRetryError) as cm:38            retry.increment()39        exception = cm.exception40        self.assertEqual("max_retry_time exceeded", exception.reason.args[0])41    def test_backoff_start_range(self):42        retry = NonRandomMinWritesRetry(total=5, retry_interval=1, exponential_base=2,43                                        max_retry_delay=550)44        self.assertEqual(retry.total, 5)45        self.assertEqual(retry.is_exhausted(), False)46        self.assertEqual(retry.get_backoff_time(), 0)47        retry = retry.increment()48        self.assertEqual(retry.total, 4)49        self.assertEqual(retry.is_exhausted(), False)50        self.assertEqual(retry.get_backoff_time(), 1)51        retry = retry.increment()52        self.assertEqual(retry.total, 3)53        self.assertEqual(retry.is_exhausted(), False)54        self.assertEqual(retry.get_backoff_time(), 2)55        retry = retry.increment()56        self.assertEqual(retry.total, 2)57        self.assertEqual(retry.is_exhausted(), False)58        self.assertEqual(retry.get_backoff_time(), 4)59        retry = retry.increment()60        self.assertEqual(retry.total, 1)61        self.assertEqual(retry.is_exhausted(), False)62        self.assertEqual(retry.get_backoff_time(), 8)63        retry = retry.increment()64        self.assertEqual(retry.total, 0)65        self.assertEqual(retry.is_exhausted(), False)66        self.assertEqual(retry.get_backoff_time(), 16)67        with self.assertRaises(MaxRetryError) as cm:68            retry.increment()69        exception = cm.exception70        self.assertEqual("too many error responses", exception.reason.args[0])71    def test_backoff_stop_range(self):72        retry = NonRandomMaxWritesRetry(total=5, retry_interval=5, exponential_base=2,73                                        max_retry_delay=550)74        self.assertEqual(retry.total, 5)75        self.assertEqual(retry.is_exhausted(), False)76        self.assertEqual(retry.get_backoff_time(), 0)77        retry = retry.increment()78        self.assertEqual(retry.total, 4)79        self.assertEqual(retry.is_exhausted(), False)80        self.assertEqual(retry.get_backoff_time(), 10)81        retry = retry.increment()82        self.assertEqual(retry.total, 3)83        self.assertEqual(retry.is_exhausted(), False)84        self.assertEqual(retry.get_backoff_time(), 20)85        retry = retry.increment()86        self.assertEqual(retry.total, 2)87        self.assertEqual(retry.is_exhausted(), False)88        self.assertEqual(retry.get_backoff_time(), 40)89        retry = retry.increment()90        self.assertEqual(retry.total, 1)91        self.assertEqual(retry.is_exhausted(), False)92        self.assertEqual(retry.get_backoff_time(), 80)93        retry = retry.increment()94        self.assertEqual(retry.total, 0)95        self.assertEqual(retry.is_exhausted(), False)96        self.assertEqual(retry.get_backoff_time(), 160)97        with self.assertRaises(MaxRetryError) as cm:98            retry.increment()99        exception = cm.exception100        self.assertEqual("too many error responses", exception.reason.args[0])101    def test_backoff_max(self):102        retry = WritesRetry(total=5, retry_interval=1, max_retry_delay=15) \103            .increment() \104            .increment() \105            .increment() \106            .increment() \107            .increment()108        self.assertLessEqual(retry.get_backoff_time(), 15)109    def test_backoff_increment(self):110        retry = WritesRetry(total=5, retry_interval=4).increment()111        self.assertEqual(retry.total, 4)112        self.assertEqual(retry.is_exhausted(), False)113        backoff_time = retry.get_backoff_time()114        self.assertGreater(backoff_time, 4)115        self.assertLessEqual(backoff_time, 8)116    def test_backoff_exponential_base(self):117        retry = NonRandomMinWritesRetry(total=5, retry_interval=2, exponential_base=2)118        retry = retry.increment()119        self.assertEqual(retry.get_backoff_time(), 2)120        retry = retry.increment()121        self.assertEqual(retry.get_backoff_time(), 4)122        retry = retry.increment()123        self.assertEqual(retry.get_backoff_time(), 8)124        retry = retry.increment()125        self.assertEqual(retry.get_backoff_time(), 16)126    def test_get_retry_after(self):...

test_lazy_tuple.py

Source:test_lazy_tuple.py

1# Copyright 2009-2017 Ram Rachum.2# This program is distributed under the MIT license.3'''Testing module for `python_toolbox.nifty_collections.LazyTuple`.'''4from __future__ import generator_stop5import uuid6import itertools7import collections8from python_toolbox import cute_iter_tools9from python_toolbox import sequence_tools10from python_toolbox import cute_testing11from python_toolbox.nifty_collections import LazyTuple12class SelfAwareUuidIterator(collections.abc.Iterator):13    '''Iterator that gives UUIDs and keeps them all in an internal list.'''14    def __init__(self):15        self.data = []16    def __next__(self):17        new_entry = uuid.uuid4()18        self.data.append(new_entry)19        return new_entry20def test():21    '''Test the basic workings of `LazyTuple`.'''22    self_aware_uuid_iterator = SelfAwareUuidIterator()23    lazy_tuple = LazyTuple(self_aware_uuid_iterator)24    assert len(self_aware_uuid_iterator.data) == 025    assert not lazy_tuple.is_exhausted26    assert repr(lazy_tuple) == '<LazyTuple: (...)>'27    first = lazy_tuple[0]28    assert len(self_aware_uuid_iterator.data) == 129    assert isinstance(first, uuid.UUID)30    assert first == self_aware_uuid_iterator.data[0]31    first_ten = lazy_tuple[:10]32    assert isinstance(first_ten, tuple)33    assert len(self_aware_uuid_iterator.data) == 1034    assert first_ten[0] == first35    assert all(isinstance(item, uuid.UUID) for item in first_ten)36    weird_slice = lazy_tuple[15:5:-3]37    assert isinstance(first_ten, tuple)38    assert len(self_aware_uuid_iterator.data) == 1639    assert len(weird_slice) == 440    assert weird_slice[2] == first_ten[-1] == lazy_tuple[9]41    assert not lazy_tuple.is_exhausted42    iterator_twenty = cute_iter_tools.shorten(lazy_tuple, 20)43    assert len(self_aware_uuid_iterator.data) == 1644    first_twenty = list(iterator_twenty)45    assert len(self_aware_uuid_iterator.data) == 2046    assert len(first_twenty) == 2047    assert first_twenty[:10] == list(first_ten)48    assert first_twenty == self_aware_uuid_iterator.data49    iterator_twelve = cute_iter_tools.shorten(lazy_tuple, 12)50    first_twelve = list(iterator_twelve)51    assert len(self_aware_uuid_iterator.data) == 2052    assert len(first_twelve) == 1253    assert first_twenty[:12] == first_twelve54    assert bool(lazy_tuple) == True55def test_empty():56    '''Test an empty `LazyTuple`.'''57    def empty_generator():58        if False: yield # (Unreachable `yield` to make this a generator.)59        return60    lazy_tuple = LazyTuple(empty_generator())61    assert repr(lazy_tuple) == '<LazyTuple: (...)>'62    with cute_testing.RaiseAssertor(IndexError):63        lazy_tuple[7]64    assert repr(lazy_tuple) == '<LazyTuple: []>'65    assert bool(LazyTuple(())) == False66    assert bool(lazy_tuple) == False67def test_string():68    '''Test a `LazyTuple` built from a string.'''69    string = 'meow'70    lazy_tuple = LazyTuple(string)71    assert lazy_tuple.is_exhausted72    assert repr(lazy_tuple) == "<LazyTuple: 'meow'>"73    assert ''.join(lazy_tuple) == string74    assert ''.join(lazy_tuple[1:-1]) == string[1:-1]75    assert len(lazy_tuple) == lazy_tuple.known_length == \76           len(lazy_tuple.collected_data)77    assert LazyTuple(reversed(LazyTuple(reversed(lazy_tuple)))) == lazy_tuple78def test_infinite():79    '''Test an infinite `LazyTuple`.'''80    lazy_tuple = LazyTuple(itertools.count())81    assert not lazy_tuple.is_exhausted82    lazy_tuple[100]83    assert len(lazy_tuple.collected_data) == 10184    assert not lazy_tuple.is_exhausted85def test_factory_decorator():86    '''Test the `LazyTuple.factory` decorator.'''87    @LazyTuple.factory(definitely_infinite=True)88    def count(*args, **kwargs):89        return itertools.count(*args, **kwargs)90    my_count = count()91    assert isinstance(my_count, LazyTuple)92    assert repr(my_count) == '<LazyTuple: (...)>'93    assert my_count.definitely_infinite94    assert my_count[:10] == tuple(range(10))95    assert len(my_count) == 096def test_finite_iterator():97    '''Test `LazyTuple` on a finite iterator.'''98    my_finite_iterator = iter(range(5))99    lazy_tuple = LazyTuple(my_finite_iterator)100    assert not lazy_tuple.is_exhausted101    assert list(itertools.islice(lazy_tuple, 0, 2)) == [0, 1]102    assert not lazy_tuple.is_exhausted103    assert repr(lazy_tuple) == '<LazyTuple: [0, 1]...>'104    second_to_last = lazy_tuple[-2]105    assert second_to_last == 3106    assert lazy_tuple.is_exhausted107    assert len(lazy_tuple) == lazy_tuple.known_length == \108           len(lazy_tuple.collected_data)109    assert repr(lazy_tuple) == '<LazyTuple: [0, 1, 2, 3, 4]>'110    assert LazyTuple(reversed(LazyTuple(reversed(lazy_tuple)))) == lazy_tuple111    assert 6 * lazy_tuple == 2 * lazy_tuple * 3 == lazy_tuple * 3 * 2 == \112           (0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4,113            0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4)114    assert lazy_tuple + ('meow', 'frr') == (0, 1, 2, 3, 4, 'meow', 'frr')115    assert ('meow', 'frr') + lazy_tuple == ('meow', 'frr', 0, 1, 2, 3, 4)116    identical_lazy_tuple = LazyTuple(iter(range(5)))117    assert not identical_lazy_tuple.is_exhausted118    my_dict = {}119    my_dict[identical_lazy_tuple] = 'flugzeug'120    assert identical_lazy_tuple.is_exhausted121    assert my_dict[lazy_tuple] == 'flugzeug'122    assert len(my_dict) == 1123    assert lazy_tuple == identical_lazy_tuple124    my_dict[lazy_tuple] = 'lederhosen'125    assert my_dict[identical_lazy_tuple] == 'lederhosen'126    assert len(my_dict) == 1127def test_immutable_sequence():128    '''Test that `LazyTuple` is considered an immutable sequence.'''...

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