How to use float_range method in hypothesis

Best Python code snippet using hypothesis

test_float_range.py

Source:test_float_range.py

...4from float_range import float_range5class FloatRangeTests(unittest.TestCase):6    """Tests for float_range."""7    def test_has_iterability(self):8        self.assertEqual(list(float_range(1, 11, 2)), [1, 3, 5, 7, 9])9        self.assertEqual(10            list(float_range(0.5, 7, 0.75)),11            [0.5, 1.25, 2.0, 2.75, 3.5, 4.25, 5.0, 5.75, 6.5]12        )13    def test_optional_step(self):14        self.assertEqual(list(float_range(1, 6, 1)), [1, 2, 3, 4, 5])15        self.assertEqual(list(float_range(1, 6)), [1, 2, 3, 4, 5])16        self.assertEqual(17            list(float_range(0.5, 6)),18            [0.5, 1.5, 2.5, 3.5, 4.5, 5.5]19        )20    def test_optional_start(self):21        self.assertEqual(list(float_range(0, 6)), [0, 1, 2, 3, 4, 5])22        self.assertEqual(list(float_range(6)), [0, 1, 2, 3, 4, 5])23        self.assertEqual(24            list(float_range(4.2)),25            [0, 1, 2, 3, 4]26        )27    def test_fractional_step_size(self):28        self.assertEqual(29            list(float_range(1, 6, 0.5)),30            [1, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5]31        )32        self.assertEqual(33            list(float_range(1, 5.6, 0.5)),34            [1, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5]35        )36    def test_negative_step(self):37        with self.assertRaises(StopIteration):38            # Should be empty so StopIteration should be raised39            next(iter(float_range(1, 6, -1)))40        self.assertEqual(list(float_range(5, 0, -1)), [5, 4, 3, 2, 1])41        self.assertEqual(42            list(float_range(0.5, 6)),43            [0.5, 1.5, 2.5, 3.5, 4.5, 5.5]44        )45        self.assertEqual(46            list(float_range(6, 1, -0.5)),47            [6, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.5]48        )49    def test_no_arguments(self):50        with self.assertRaises(TypeError):51            float_range()52    def test_too_many_arguments(self):53        with self.assertRaises(TypeError):54            float_range(0, 5, 1, 1)55        with self.assertRaises(TypeError):56            float_range(0, 5, 1, 1, 1)57    def test_no_memory_used(self):58        """Make sure float_range response isn't a giant list of numbers."""59        response = float_range(0, 1024, 2**-4)60        if isinstance(response, Generator):61            next(response)62            size = sum(63                sys.getsizeof(obj)64                for obj in response.gi_frame.f_locals.values()65            )66        else:67            size = sys.getsizeof(response)68        self.assertLess(size, 8000, 'Too much memory used')69        self.assertNotEqual(type(response), list)70        self.assertNotEqual(type(response), tuple)71    # @unittest.expectedFailure72    def test_has_length(self):73        self.assertEqual(len(float_range(100)), 100)74        self.assertEqual(len(float_range(1, 100)), 99)75        self.assertEqual(len(float_range(1, 11, 2)), 5)76        self.assertEqual(len(float_range(0.5, 7, 0.75)), 9)77        self.assertEqual(len(float_range(1000000)), 1000000)78        self.assertEqual(len(float_range(11, 1.2, -2)), 5)79        self.assertEqual(len(float_range(11, 1.2, 2)), 0)80    # @unittest.expectedFailure81    def test_reversed(self):82        r = reversed(float_range(0.5, 7, 0.75))83        self.assertEqual(84            list(r),85            [6.5, 5.75, 5.0, 4.25, 3.5, 2.75, 2.0, 1.25, 0.5]86        )87        big_num = 100000088        self.assertEqual(next(reversed(float_range(big_num))), big_num-1)89    # @unittest.expectedFailure90    def test_equality(self):91        self.assertEqual(float_range(0, 5, 0.5), float_range(0, 5, 0.5))92        self.assertEqual(float_range(5, 5), float_range(10, 10))93        self.assertEqual(float_range(5, 11, 5), float_range(5, 12, 5))94        self.assertEqual(float_range(10), float_range(0, 10))95        self.assertNotEqual(96            float_range(0, 2**10, 2**-10),97            float_range(0, 2**10+1, 2**-10),98        )99        self.assertEqual(float_range(1000000), range(1000000))100        self.assertEqual(range(1000000), float_range(1000000))101        self.assertFalse(float_range(0, 5, 0.5) != float_range(0, 5, 0.5))102        class EqualToEverything:103            def __eq__(self, other):104                return True105        self.assertEqual(float_range(1000000), EqualToEverything())106if __name__ == "__main__":...

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