Ejemplo n.º 1
0
def path_segments(draw):  # pragma: no cover
    # type: (DrawCallable) -> Text
    """
    A strategy which generates URL path segments.
    """
    return draw(
        iterables(
            text(min_size=1, alphabet=_path_characters),
            max_size=10, average_size=3,
        )
    )
Ejemplo n.º 2
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 def resolve_Iterator(thing):
     return st.iterables(st.from_type(thing.__args__[0]))
Ejemplo n.º 3
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        return st.frozensets(st.from_type(thing.__args__[0]))

    @register(typing.Dict, st.builds(dict))
    def resolve_Dict(thing):
        # If thing is a Collection instance, we need to fill in the values
        keys_vals = [st.from_type(t) for t in thing.__args__] * 2
        return st.dictionaries(keys_vals[0], keys_vals[1])

    @register('DefaultDict', st.builds(collections.defaultdict))
    def resolve_DefaultDict(thing):
        return resolve_Dict(thing).map(
            lambda d: collections.defaultdict(None, d))

    @register(typing.ItemsView, st.builds(dict).map(dict.items))
    def resolve_ItemsView(thing):
        return resolve_Dict(thing).map(dict.items)

    @register(typing.KeysView, st.builds(dict).map(dict.keys))
    def resolve_KeysView(thing):
        return st.dictionaries(st.from_type(thing.__args__[0]), st.none()
                               ).map(dict.keys)

    @register(typing.ValuesView, st.builds(dict).map(dict.values))
    def resolve_ValuesView(thing):
        return st.dictionaries(st.integers(), st.from_type(thing.__args__[0])
                               ).map(dict.values)

    @register(typing.Iterator, st.iterables(st.nothing()))
    def resolve_Iterator(thing):
        return st.iterables(st.from_type(thing.__args__[0]))
def test_preserves_sequence_type_of_argument():
    assert repr(st.sampled_from([0])) == "sampled_from([0])"


class IHaveABadRepr(object):
    def __repr__(self):
        raise ValueError("Oh no!")


def test_errors_are_deferred_until_repr_is_calculated():
    s = (
        st.builds(
            lambda x, y: 1,
            st.just(IHaveABadRepr()),
            y=st.one_of(st.sampled_from((IHaveABadRepr(),)), st.just(IHaveABadRepr())),
        )
        .map(lambda t: t)
        .filter(lambda t: True)
        .flatmap(lambda t: st.just(IHaveABadRepr()))
    )

    with pytest.raises(ValueError):
        repr(s)


@given(st.iterables(st.integers()))
def test_iterables_repr_is_useful(it):
    # fairly hard-coded but useful; also ensures _values are inexhaustible
    assert repr(it) == "iter({!r})".format(it._values)
Ejemplo n.º 5
0

def test_get_cache_size_kb():
    assert mp.get_cache_size_kb() == 128


@given(st.integers(min_value=0, max_value=2**27))
def test_set_cache_size_kb(size):
    mp.set_cache_size_kb(size)
    mp.get_cache_size_kb() == size


@given(st.integers(min_value=-(2**32), max_value=-1))
def test_set_cache_size_kb_not_positive(size):
    with pytest.raises(ValueError) as e:
        mp.set_cache_size_kb(size)
    assert e.match('must be non-negative')


@given(
    st.one_of(st.characters(), st.complex_numbers(),
              st.dates(), st.datetimes(),
              st.dictionaries(st.integers(), st.integers()), st.floats(),
              st.iterables(st.integers()), st.lists(st.integers()), st.none(),
              st.sets(st.integers()), st.text(), st.timedeltas(), st.times(),
              st.tuples(st.integers())))
def test_set_cache_size_kb_not_integer(size):
    with pytest.raises(TypeError) as e:
        mp.set_cache_size_kb(size)
    assert e.match('integer')
Ejemplo n.º 6
0
import pytest  # type: ignore

from io import StringIO
from itertools import groupby
from typing import Set, Tuple, Iterable, Callable, Any

from hypothesis import assume, given  # type: ignore
import hypothesis.strategies as st  # type: ignore

from patch import Compost

MAX_OFFSET = 1000
ints = st.integers(min_value=0, max_value=MAX_OFFSET)


@given(ranges=st.iterables(st.tuples(ints, ints)))
def test_compost_free(ranges: Iterable[Tuple[int, int]]) -> None:
    compost = Compost()

    # Use a completely different (however inefficient) implementation here to
    # check for overlaps so that we can make sure the actual implementation
    # isn't "accidentally correct".
    bitset: Set[int] = set()
    for start, end in ranges:
        if end < start:
            with pytest.raises(ValueError):
                compost.free(start, end)
        else:
            must_fail = False
            new_bitset = set()
            for bit in range(start, end + 1):
Ejemplo n.º 7
0
import traceback
import sys
from time import time
from stricttuple import stricttuple
from collections import deque

__all__ = 'battle_tested', 'fuzz', 'disable_traceback', 'enable_traceback', 'garbage', 'crash_map', 'success_map', 'results', 'stats', 'print_stats'

garbage = (st.binary(), st.booleans(), st.characters(), st.complex_numbers(),
           st.decimals(), st.floats(), st.fractions(), st.integers(),
           st.none(), st.random_module(), st.randoms(), st.text(), st.tuples(),
           st.uuids(), st.dictionaries(keys=st.text(), values=st.text()))
garbage += (
    # iterables
    st.lists(elements=st.one_of(*garbage)),
    st.iterables(elements=st.one_of(*garbage)),
    st.dictionaries(keys=st.text(), values=st.one_of(*garbage)))
garbage = st.one_of(*garbage)


def is_py3():
    return sys.version_info >= (3, 0)


class UniqueCrashContainer(tuple):
    ''' a pretty printable container for crashes '''
    def __repr__(self):
        table = PrettyTable(
            ('exception type', 'arg types', 'location', 'crash message'),
            sortby='exception type')
        table.align["exception type"] = "l"
Ejemplo n.º 8
0
from itertools import tee

import hypothesis.strategies as st
import pytest
from hypothesis import given

from ...abuiltin import adict, aiter


@given(listish=st.one_of(
    st.lists(st.tuples(st.text(), st.integers())),
    st.lists(st.lists(st.integers(), min_size=2, max_size=2)),
    st.sets(st.tuples(st.text(), st.integers())),
))
@pytest.mark.trio
async def test_all_listish(listish):
    ait = aiter(listish)
    assert await adict(ait) == dict(listish)


@given(iterable=st.one_of(
    st.iterables(st.tuples(st.text(), st.integers())),
    st.iterables(st.lists(st.integers(), min_size=2, max_size=2)),
))
@pytest.mark.trio
async def test_all_iterable(iterable):
    it1, it2 = tee(iterable)
    ait = aiter(it1)
    assert await adict(ait) == dict(it2)
Ejemplo n.º 9
0
import responses

from request_libraries_io_load_sqlite import *
from utils.libraries_io_project_contributors_endpoint import content_and_error


def get_api_key():
    api_key = os.environ.get("APIKEY")
    if api_key is None:
        print("'APIKEY' is not among environment variables!", file=sys.stderr)
        sys.exit(1)

    return api_key


@given(st.iterables(st.none()), st.integers())
def test_chunk__is_iterator(i, n):
    chunks = chunk(i, n)
    assert iter(chunks) is chunks


@given(st.iterables(st.none(), min_size=0, max_size=0),
       st.integers(min_value=1, max_value=1000))
def test_chunk__empty_list_yields_empty_generator(i, n):
    chunks = chunk(i, n)
    with pt.raises(StopIteration):
        next(chunks)


# @given(st.iterables(st.none(), min_size=1), st.integers(min_value=1))
# def test_chunk__chunks_recombine_into_original_list(l, n):
Ejemplo n.º 10
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from itertools import tee

T = TypeVar("T")


@given(stp.urls())
def test_is_valid_url_valid_example(url: str):
    assert hf.is_valid_url(url) == True


@given(st.text())
def test_is_valid_url_invalid_example(url: str):
    assert hf.is_valid_url(url) == False


@given(st.iterables(st.integers(), unique=True, min_size=1))
def test_tail_only_removes_first_item(iterable: Iterable[T]):
    # If iterable is an iterator then it will be consumed so we need a copy
    iterable1, iterable2 = tee(iterable)
    # Force to list for easy testing
    iterable1 = list(iterable1)  # type: ignore
    new_iterable = list(hf.tail(iterable2))
    assert iterable1[0] not in new_iterable  # type: ignore
    assert all(x in iterable1 for x in new_iterable)


@given(st.iterables(st.booleans()))
def test_partition(iterable: Iterable[T]):
    iterable1, iterable2 = tee(iterable)
    trues, falses = hf.partition(bool, iterable2)
    trues, falses = list(trues), list(falses)
Ejemplo n.º 11
0
from itertools import chain, tee
from typing import Iterable, List

from hypothesis import assume, given
from hypothesis.strategies import integers, iterables, lists

from LZW.extra_itertools import iappend, iequal


@given(iterables(integers()), integers(min_value=0, max_value=10))
def test_iequal(l: Iterable[int], n: int) -> None:
    itrs = tee(l, n)
    assert iequal(*itrs)


@given(lists(integers()), lists(integers()), integers(min_value=1,
                                                      max_value=10))
def test_iequal_on_non_equal_iterables(l1: List[int], l2: List[int],
                                       n: int) -> None:
    assume(l1 != l2)
    itr1, itr2 = iter(l1), iter(l2)
    itrs = chain(tee(itr1, n), [itr2])
    assert not iequal(*itrs)


@given(iterables(integers()), integers())
def test_iappend(l: Iterable[int], x: int) -> None:
    l1, l2 = tee(l)
    assert list(iappend(l1, x)) == list(l2) + [x]
Ejemplo n.º 12
0
import hypothesis.strategies as st
import pytest
from hypothesis import given

from ...abuiltin import aenumerate, aiter, alist


@given(
    listish=st.one_of(
        st.binary(),
        st.lists(st.integers()),
        st.sets(st.integers()),
        st.text(),
        st.tuples(st.integers()),
    ),
    start=st.integers(),
)
@pytest.mark.trio
async def test_all_listish(listish, start):
    ait = aiter(listish)
    assert await alist(aenumerate(ait,
                                  start)) == list(enumerate(listish, start))


@given(iterable=st.iterables(st.integers()), start=st.integers())
@pytest.mark.trio
async def test_all_iterable(iterable, start):
    it1, it2 = tee(iterable)
    ait = aiter(it1)
    assert await alist(aenumerate(ait, start)) == list(enumerate(it2, start))
Ejemplo n.º 13
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    child_rule_3 = ExampleRule(name="Test", param=None)
    child_rule_3.execute = Mock()

    rule = ExampleRule(name="Test",
                       param="Rule",
                       children=[child_rule_1, child_rule_2, child_rule_3])

    rule.execute()

    child_rule_1.execute.assert_called_once_with(rule.param)
    child_rule_2.execute.assert_called_once_with(rule.param)
    child_rule_3.execute.assert_called_once_with(rule.param)


@given(value=st.one_of(st.text(), st.integers(),
                       st.iterables(st.one_of(st.text(), st.integers()))))
def test_validate_param(value):
    rule = ExampleRule(name="Test", param="Rule")

    # Casting to string is the safest
    result = rule.validate(value, cast_to=str)

    assert result == str(value)


@given(value=st.one_of(st.text(), st.integers(),
                       st.iterables(st.one_of(st.text(), st.integers()))))
def test_validate_no_casting(value):
    rule = ExampleRule(name="Test", param="Rule")

    result = rule.validate(val=value)
Ejemplo n.º 14
0
    expected_xml = cET.Element(tag)
    inner_expected_xml = cET.SubElement(
        expected_xml, inner_tag, attrib={"attr1": attr1_val, attr2_name: attr2_val}
    )
    cET.SubElement(inner_expected_xml, "float_el").text = str(float_val)
    cET.SubElement(inner_expected_xml, "str_el").text = str_val

    assert _elements_equal(
        generated_xml, expected_xml
    ), "Generated xml does not match the expected_xml."


@given(
    vec_xyz=st.tuples(st.floats(), st.floats(), st.floats()),
    iterable=st.iterables(st.one_of(st.floats(), st.text())),
)
@log_parameters
def test_custom_values(vec_xyz: Tuple[float, float, float], iterable: Iterable):

    iterable, itr_cp = itertools.tee(iterable)

    @dataclass
    class TestXml(XmlObject):
        TAG = "tag"

        vec: Vector = Vector(*vec_xyz)
        itr: Iterable = iterable

    test_xml = TestXml()
    generated_xml = test_xml.create_xml()
@settings(max_examples=50)
def test_dictionaries_respect_zero_size(d):
    assert len(d) <= 5


@given(ds.lists(ds.none(), max_size=5))
def test_none_lists_respect_max_size(ls):
    assert len(ls) <= 5


@given(ds.lists(ds.none(), max_size=5, min_size=1))
def test_none_lists_respect_max_and_min_size(ls):
    assert 1 <= len(ls) <= 5


@given(ds.iterables(ds.integers(), max_size=5, min_size=1))
def test_iterables_are_exhaustible(it):
    for _ in it:
        pass
    with pytest.raises(StopIteration):
        next(it)


def test_minimal_iterable():
    assert list(minimal(ds.iterables(ds.integers()), lambda x: True)) == []


@checks_deprecated_behaviour
@pytest.mark.parametrize(
    "fn,kwargs",
    [
Ejemplo n.º 16
0
from pymesis import _cache as pymesis_cache

strategies = (
    st.integers(),
    st.text(),
    st.binary(),
    st.booleans(),
    st.characters(),
    st.complex_numbers(allow_nan=False),
    st.dates(),
    st.datetimes(),
    st.decimals(allow_nan=False),
    st.dictionaries(st.text(), st.text()),
    st.floats(allow_nan=False),
    st.fractions(),
    st.functions(),
    st.iterables(st.text()),
    st.none(),
)


@given(st.one_of(strategies))
def test_cache(data):
    pymesis_cache.clear_cache()

    pymesis_cache.add_data(hash("key"), data)
    retrieved_data = pymesis_cache.get_data_if_cached(hash("key"))

    assert retrieved_data == data
def test_minimal_iterable():
    assert list(minimal(ds.iterables(ds.integers()), lambda x: True)) == []
Ejemplo n.º 18
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        def __eq__(self, other):
            return self.attr == other.attr

    assert s.setattr_immutable(C(1), 'attr', 2) == C(2)


def test_setattr_imm_namedtuple():
    Tup = collections.namedtuple('Tup', 'attr')
    assert s.setattr_immutable(Tup(1), 'attr', 2) == Tup(2)


@hypothesis.given(
    strats.one_of(
        strats.lists(strats.integers()),
        strats.iterables(strats.integers()).map(tuple),
        strats.dictionaries(strats.text(), strats.integers()),
        strats.iterables(strats.integers()).map(set),
        strats.lists(strats.integers()).map(Box),
    ))
def test_contains(container):
    item = object()
    added = s.contains_add(container, item)
    assert isinstance(added, type(container))
    assert item in added
    removed = s.contains_remove(added, item)
    assert isinstance(removed, type(container))
    assert item not in removed


def test_contains_add_failure():