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# -*- coding: utf-8 -*-
# Copyright (c) 2010 Mark Sandstrom
# Copyright (c) 2011-2013 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
from factory import fuzzy
from .compat import mock, unittest
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('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])
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_randint = lambda low, high: low + high
fuzz = fuzzy.FuzzyInteger(2, 8)
with mock.patch('random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(10, res)
def test_biased_high_only(self):
fake_randint = lambda low, high: low + high
fuzz = fuzzy.FuzzyInteger(8)
with mock.patch('random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(8, 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('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('random.randint', fake_randint):
res = fuzz.evaluate(2, None, False)
self.assertEqual(datetime.date(2013, 1, 2), res)
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