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# -*- coding: utf-8 -*-
# Copyright (c) 2010 Mark Sandstrom
# Copyright (c) 2011-2015 Raphaël Barrois
#
# 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:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import datetime
import decimal
from factory import compat
from factory import fuzzy
from .compat import mock, unittest
from . import utils
class FuzzyAttributeTestCase(unittest.TestCase):
def test_simple_call(self):
d = fuzzy.FuzzyAttribute(lambda: 10)
res = d.evaluate(2, None, False)
self.assertEqual(10, res)
res = d.evaluate(2, None, False)
self.assertEqual(10, res)
class FuzzyChoiceTestCase(unittest.TestCase):
def test_unbiased(self):
options = [1, 2, 3]
d = fuzzy.FuzzyChoice(options)
res = d.evaluate(2, None, False)
self.assertIn(res, options)
def test_mock(self):
options = [1, 2, 3]
fake_choice = lambda d: sum(d)
d = fuzzy.FuzzyChoice(options)
with mock.patch('factory.fuzzy._random.choice', fake_choice):
res = d.evaluate(2, None, False)
self.assertEqual(6, res)
def test_generator(self):
def options():
for i in range(3):
yield i
d = fuzzy.FuzzyChoice(options())
res = d.evaluate(2, None, False)
self.assertIn(res, [0, 1, 2])
# And repeat
res = d.evaluate(2, None, False)
self.assertIn(res, [0, 1, 2])
def test_lazy_generator(self):
class Gen(object):
def __init__(self, options):
self.options = options
self.unrolled = False
def __iter__(self):
self.unrolled = True
return iter(self.options)
opts = Gen([1, 2, 3])
d = fuzzy.FuzzyChoice(opts)
self.assertFalse(opts.unrolled)
res = d.evaluate(2, None, False)
self.assertIn(res, [1, 2, 3])
self.assertTrue(opts.unrolled)
class FuzzyIntegerTestCase(unittest.TestCase):
def test_definition(self):
"""Tests all ways of defining a FuzzyInteger."""
fuzz = fuzzy.FuzzyInteger(2, 3)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertIn(res, [2, 3])
fuzz = fuzzy.FuzzyInteger(4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertIn(res, [0, 1, 2, 3, 4])
def test_biased(self):
fake_randrange = lambda low, high, step: (low + high) * step
fuzz = fuzzy.FuzzyInteger(2, 8)
with mock.patch('factory.fuzzy._random.randrange', fake_randrange):
res = fuzz.evaluate(2, None, False)
self.assertEqual((2 + 8 + 1) * 1, res)
def test_biased_high_only(self):
fake_randrange = lambda low, high, step: (low + high) * step
fuzz = fuzzy.FuzzyInteger(8)
with mock.patch('factory.fuzzy._random.randrange', fake_randrange):
res = fuzz.evaluate(2, None, False)
self.assertEqual((0 + 8 + 1) * 1, res)
def test_biased_with_step(self):
fake_randrange = lambda low, high, step: (low + high) * step
fuzz = fuzzy.FuzzyInteger(5, 8, 3)
with mock.patch('factory.fuzzy._random.randrange', fake_randrange):
res = fuzz.evaluate(2, None, False)
self.assertEqual((5 + 8 + 1) * 3, res)
class FuzzyDecimalTestCase(unittest.TestCase):
def test_definition(self):
"""Tests all ways of defining a FuzzyDecimal."""
fuzz = fuzzy.FuzzyDecimal(2.0, 3.0)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertTrue(decimal.Decimal('2.0') <= res <= decimal.Decimal('3.0'),
"value %d is not between 2.0 and 3.0" % res)
fuzz = fuzzy.FuzzyDecimal(4.0)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertTrue(decimal.Decimal('0.0') <= res <= decimal.Decimal('4.0'),
"value %d is not between 0.0 and 4.0" % res)
fuzz = fuzzy.FuzzyDecimal(1.0, 4.0, precision=5)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertTrue(decimal.Decimal('0.54') <= res <= decimal.Decimal('4.0'),
"value %d is not between 0.54 and 4.0" % res)
self.assertTrue(res.as_tuple().exponent, -5)
def test_biased(self):
fake_uniform = lambda low, high: low + high
fuzz = fuzzy.FuzzyDecimal(2.0, 8.0)
with mock.patch('factory.fuzzy._random.uniform', fake_uniform):
res = fuzz.evaluate(2, None, False)
self.assertEqual(decimal.Decimal('10.0'), res)
def test_biased_high_only(self):
fake_uniform = lambda low, high: low + high
fuzz = fuzzy.FuzzyDecimal(8.0)
with mock.patch('factory.fuzzy._random.uniform', fake_uniform):
res = fuzz.evaluate(2, None, False)
self.assertEqual(decimal.Decimal('8.0'), res)
def test_precision(self):
fake_uniform = lambda low, high: low + high + 0.001
fuzz = fuzzy.FuzzyDecimal(8.0, precision=3)
with mock.patch('factory.fuzzy._random.uniform', fake_uniform):
res = fuzz.evaluate(2, None, False)
self.assertEqual(decimal.Decimal('8.001').quantize(decimal.Decimal(10) ** -3), res)
class FuzzyDateTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
# Setup useful constants
cls.jan1 = datetime.date(2013, 1, 1)
cls.jan3 = datetime.date(2013, 1, 3)
cls.jan31 = datetime.date(2013, 1, 31)
def test_accurate_definition(self):
"""Tests all ways of defining a FuzzyDate."""
fuzz = fuzzy.FuzzyDate(self.jan1, self.jan31)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertLessEqual(self.jan1, res)
self.assertLessEqual(res, self.jan31)
def test_partial_definition(self):
"""Test defining a FuzzyDate without passing an end date."""
with utils.mocked_date_today(self.jan3, fuzzy):
fuzz = fuzzy.FuzzyDate(self.jan1)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertLessEqual(self.jan1, res)
self.assertLessEqual(res, self.jan3)
def test_invalid_definition(self):
self.assertRaises(ValueError, fuzzy.FuzzyDate,
self.jan31, self.jan1)
def test_invalid_partial_definition(self):
with utils.mocked_date_today(self.jan1, fuzzy):
self.assertRaises(ValueError, fuzzy.FuzzyDate,
self.jan31)
def test_biased(self):
"""Tests a FuzzyDate with a biased random.randint."""
fake_randint = lambda low, high: (low + high) // 2
fuzz = fuzzy.FuzzyDate(self.jan1, self.jan31)
with mock.patch('factory.fuzzy._random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(datetime.date(2013, 1, 16), res)
def test_biased_partial(self):
"""Tests a FuzzyDate with a biased random and implicit upper bound."""
with utils.mocked_date_today(self.jan3, fuzzy):
fuzz = fuzzy.FuzzyDate(self.jan1)
fake_randint = lambda low, high: (low + high) // 2
with mock.patch('factory.fuzzy._random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(datetime.date(2013, 1, 2), res)
class FuzzyNaiveDateTimeTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
# Setup useful constants
cls.jan1 = datetime.datetime(2013, 1, 1)
cls.jan3 = datetime.datetime(2013, 1, 3)
cls.jan31 = datetime.datetime(2013, 1, 31)
def test_accurate_definition(self):
"""Tests explicit definition of a FuzzyNaiveDateTime."""
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertLessEqual(self.jan1, res)
self.assertLessEqual(res, self.jan31)
def test_partial_definition(self):
"""Test defining a FuzzyNaiveDateTime without passing an end date."""
with utils.mocked_datetime_now(self.jan3, fuzzy):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertLessEqual(self.jan1, res)
self.assertLessEqual(res, self.jan3)
def test_aware_start(self):
"""Tests that a timezone-aware start datetime is rejected."""
self.assertRaises(ValueError, fuzzy.FuzzyNaiveDateTime,
self.jan1.replace(tzinfo=compat.UTC), self.jan31)
def test_aware_end(self):
"""Tests that a timezone-aware end datetime is rejected."""
self.assertRaises(ValueError, fuzzy.FuzzyNaiveDateTime,
self.jan1, self.jan31.replace(tzinfo=compat.UTC))
def test_force_year(self):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31, force_year=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.year)
def test_force_month(self):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31, force_month=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.month)
def test_force_day(self):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31, force_day=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.day)
def test_force_hour(self):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31, force_hour=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.hour)
def test_force_minute(self):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31, force_minute=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.minute)
def test_force_second(self):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31, force_second=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.second)
def test_force_microsecond(self):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31, force_microsecond=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.microsecond)
def test_invalid_definition(self):
self.assertRaises(ValueError, fuzzy.FuzzyNaiveDateTime,
self.jan31, self.jan1)
def test_invalid_partial_definition(self):
with utils.mocked_datetime_now(self.jan1, fuzzy):
self.assertRaises(ValueError, fuzzy.FuzzyNaiveDateTime,
self.jan31)
def test_biased(self):
"""Tests a FuzzyDate with a biased random.randint."""
fake_randint = lambda low, high: (low + high) // 2
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1, self.jan31)
with mock.patch('factory.fuzzy._random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(datetime.datetime(2013, 1, 16), res)
def test_biased_partial(self):
"""Tests a FuzzyDate with a biased random and implicit upper bound."""
with utils.mocked_datetime_now(self.jan3, fuzzy):
fuzz = fuzzy.FuzzyNaiveDateTime(self.jan1)
fake_randint = lambda low, high: (low + high) // 2
with mock.patch('factory.fuzzy._random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(datetime.datetime(2013, 1, 2), res)
class FuzzyDateTimeTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
# Setup useful constants
cls.jan1 = datetime.datetime(2013, 1, 1, tzinfo=compat.UTC)
cls.jan3 = datetime.datetime(2013, 1, 3, tzinfo=compat.UTC)
cls.jan31 = datetime.datetime(2013, 1, 31, tzinfo=compat.UTC)
def test_accurate_definition(self):
"""Tests explicit definition of a FuzzyDateTime."""
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertLessEqual(self.jan1, res)
self.assertLessEqual(res, self.jan31)
def test_partial_definition(self):
"""Test defining a FuzzyDateTime without passing an end date."""
with utils.mocked_datetime_now(self.jan3, fuzzy):
fuzz = fuzzy.FuzzyDateTime(self.jan1)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertLessEqual(self.jan1, res)
self.assertLessEqual(res, self.jan3)
def test_invalid_definition(self):
self.assertRaises(ValueError, fuzzy.FuzzyDateTime,
self.jan31, self.jan1)
def test_invalid_partial_definition(self):
with utils.mocked_datetime_now(self.jan1, fuzzy):
self.assertRaises(ValueError, fuzzy.FuzzyDateTime,
self.jan31)
def test_naive_start(self):
"""Tests that a timezone-naive start datetime is rejected."""
self.assertRaises(ValueError, fuzzy.FuzzyDateTime,
self.jan1.replace(tzinfo=None), self.jan31)
def test_naive_end(self):
"""Tests that a timezone-naive end datetime is rejected."""
self.assertRaises(ValueError, fuzzy.FuzzyDateTime,
self.jan1, self.jan31.replace(tzinfo=None))
def test_force_year(self):
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31, force_year=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.year)
def test_force_month(self):
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31, force_month=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.month)
def test_force_day(self):
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31, force_day=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.day)
def test_force_hour(self):
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31, force_hour=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.hour)
def test_force_minute(self):
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31, force_minute=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.minute)
def test_force_second(self):
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31, force_second=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.second)
def test_force_microsecond(self):
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31, force_microsecond=4)
for _i in range(20):
res = fuzz.evaluate(2, None, False)
self.assertEqual(4, res.microsecond)
def test_biased(self):
"""Tests a FuzzyDate with a biased random.randint."""
fake_randint = lambda low, high: (low + high) // 2
fuzz = fuzzy.FuzzyDateTime(self.jan1, self.jan31)
with mock.patch('factory.fuzzy._random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(datetime.datetime(2013, 1, 16, tzinfo=compat.UTC), res)
def test_biased_partial(self):
"""Tests a FuzzyDate with a biased random and implicit upper bound."""
with utils.mocked_datetime_now(self.jan3, fuzzy):
fuzz = fuzzy.FuzzyDateTime(self.jan1)
fake_randint = lambda low, high: (low + high) // 2
with mock.patch('factory.fuzzy._random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(datetime.datetime(2013, 1, 2, tzinfo=compat.UTC), res)
class FuzzyTextTestCase(unittest.TestCase):
def test_unbiased(self):
chars = ['a', 'b', 'c']
fuzz = fuzzy.FuzzyText(prefix='pre', suffix='post', chars=chars, length=12)
res = fuzz.evaluate(2, None, False)
self.assertEqual('pre', res[:3])
self.assertEqual('post', res[-4:])
self.assertEqual(3 + 12 + 4, len(res))
for char in res[3:-4]:
self.assertIn(char, chars)
def test_mock(self):
fake_choice = lambda chars: chars[0]
chars = ['a', 'b', 'c']
fuzz = fuzzy.FuzzyText(prefix='pre', suffix='post', chars=chars, length=4)
with mock.patch('factory.fuzzy._random.choice', fake_choice):
res = fuzz.evaluate(2, None, False)
self.assertEqual('preaaaapost', res)
def test_generator(self):
def options():
yield 'a'
yield 'b'
yield 'c'
fuzz = fuzzy.FuzzyText(chars=options(), length=12)
res = fuzz.evaluate(2, None, False)
self.assertEqual(12, len(res))
for char in res:
self.assertIn(char, ['a', 'b', 'c'])
class FuzzyRandomTestCase(unittest.TestCase):
def test_seeding(self):
fuzz = fuzzy.FuzzyInteger(1, 1000)
fuzzy.reseed_random(42)
value = fuzz.evaluate(sequence=1, obj=None, create=False)
fuzzy.reseed_random(42)
value2 = fuzz.evaluate(sequence=1, obj=None, create=False)
self.assertEqual(value, value2)
def test_reset_state(self):
fuzz = fuzzy.FuzzyInteger(1, 1000)
state = fuzzy.get_random_state()
value = fuzz.evaluate(sequence=1, obj=None, create=False)
fuzzy.set_random_state(state)
value2 = fuzz.evaluate(sequence=1, obj=None, create=False)
self.assertEqual(value, value2)
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