示例#1
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    def test_add_many_pairs(self):
        for a_low in range(0, 6):
            for a_high in range(0, 6):
                if a_low > a_high:
                    continue
                a_ranges = [
                    Range.closed(a_low, a_high),
                    Range.open_closed(a_low, a_high),
                    Range.closed_open(a_low, a_high),
                ]
                if a_low != a_high:
                    a_ranges.append(Range.open(a_low, a_high))

                for b_low in range(0, 6):
                    for b_high in range(0, 6):
                        if b_low > b_high:
                            continue
                        b_ranges = [
                            Range.closed(b_low, b_high),
                            Range.open_closed(b_low, b_high),
                            Range.closed_open(b_low, b_high),
                        ]
                        if b_low != b_high:
                            b_ranges.append(Range.open(b_low, b_high))
                        for a_range in a_ranges:
                            for b_range in b_ranges:
                                self._pair_test(a_range, b_range)
示例#2
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 def test_fill_hole_exactly(self):
     range_set = RangeSet.create_mutable()
     range_set.add(Range.closed_open(1, 3))
     range_set.add(Range.closed_open(4, 6))
     range_set.add(Range.closed_open(3, 4))
     self._test_invariants(range_set)
     self.assertTrue(Range.closed_open(1, 6) in range_set.as_ranges())
示例#3
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 def test_fill_hole_with_overlap(self):
     range_set = RangeSet.create_mutable()
     range_set.add(Range.closed_open(1, 3))
     range_set.add(Range.closed_open(4, 6))
     range_set.add(Range.closed_open(2, 5))
     self._test_invariants(range_set)
     self.assertEqual(tuple([Range.closed_open(1, 6)]),
                      tuple(range_set.as_ranges()))
示例#4
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    def test_intersection_general(self):
        rng = Range.closed(4, 8)

        # separate
        with self.assertRaises(ValueError):
            rng.intersection(Range.closed(0, 2))

        # adjacent below
        self.assertEqual(Range.closed_open(4, 4),
                         rng.intersection(Range.closed_open(2, 4)))

        # overlap below
        self.assertEqual(Range.closed(4, 6),
                         rng.intersection(Range.closed(2, 6)))

        # enclosed with same start
        self.assertEqual(Range.closed(4, 6),
                         rng.intersection(Range.closed(4, 6)))

        # enclosed, interior
        self.assertEqual(Range.closed(5, 7),
                         rng.intersection(Range.closed(5, 7)))

        # enclosed with same end
        self.assertEqual(Range.closed(6, 8),
                         rng.intersection(Range.closed(6, 8)))

        # equal
        self.assertEqual(rng, rng.intersection(rng))

        # enclosing with same start
        self.assertEqual(rng, rng.intersection(Range.closed(4, 10)))

        # enclosing with same end
        self.assertEqual(rng, rng.intersection(Range.closed(2, 8)))

        # enclosing, exterior
        self.assertEqual(rng, rng.intersection(Range.closed(2, 10)))

        # overlap above
        self.assertEqual(Range.closed(6, 8),
                         rng.intersection(Range.closed(6, 10)))

        # adjacent above
        self.assertEqual(Range.open_closed(8, 8),
                         rng.intersection(Range.open_closed(8, 10)))

        with self.assertRaises(ValueError):
            rng.intersection(Range.closed(10, 12))
示例#5
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 def test_intersection_empty(self):
     rng = Range.closed_open(3, 3)
     self.assertEqual(rng, rng.intersection(rng))
     with self.assertRaises(ValueError):
         rng.intersection(Range.open(3, 5))
     with self.assertRaises(ValueError):
         rng.intersection(Range.closed(0, 2))
示例#6
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    def test_rightmost_containing_or_below(self):
        range_set = RangeSet.create_mutable().add_all((
            Range.closed(-2, -1),
            Range.closed_open(0, 2),
            # we don't do [0, 2), [2.1, 3] because they will coalesce
            # ditto for (4, 5] and (5.1, 7)
            Range.closed(2.1, 3),
            Range.open_closed(4, 5),
            Range.open(5.1, 7),
        ))

        # probe value is in the middle of a set
        # [2.1  ... *2.5* ... 3]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.rightmost_containing_or_below(2.5))
        # probe value is at a closed upper limit
        # [2.1 .... *3*]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.rightmost_containing_or_below(3.0))
        # probe value is at a closed lower limit
        # [*2.1* .... 3]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.rightmost_containing_or_below(2.1))
        # probe value is at an open lower limit
        # [2.1 ... 3], (*4* ... 5]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.rightmost_containing_or_below(4.0))
        # probe value is at an open upper limit
        # [0 ... *2.1*)
        self.assertEqual(Range.closed_open(0.0, 2.0),
                         range_set.rightmost_containing_or_below(2.0))
        # probe value falls into a gap
        # [-2, -1] ... *-0.5* ... [0, 2)
        self.assertEqual(Range.closed(-2.0, -1.0),
                         range_set.rightmost_containing_or_below(-0.5))
        # no range below
        # *-3* .... [-2,-1]
        self.assertIsNone(range_set.rightmost_containing_or_below(-3.0))
        # empty rangeset
        self.assertIsNone(RangeSet.create_mutable().add(Range.closed(
            1.0, 2.0)).rightmost_containing_or_below(0.0))
        # lowest range has open lower bound
        # (*1*,2)
        self.assertIsNone(RangeSet.create_mutable().add(Range.open(
            1.0, 2.0)).rightmost_containing_or_below(1.0))
示例#7
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    def test_leftmost_containing_or_above(self):
        range_set = RangeSet.create_mutable().add_all((
            Range.closed(-2, -1),
            Range.closed_open(0, 2),
            # we don't do [0, 2), [2.1, 3] because they will coalesce
            # ditto for (4, 5] and (5.1, 7)
            Range.closed(2.1, 3),
            Range.open_closed(4, 5),
            Range.open(5.1, 7),
        ))

        # probe value is in the middle of a set
        # [2.1  ... *2.5* ... 3]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.leftmost_containing_or_above(2.5))
        # probe value is at a closed upper limit
        # [2.1 .... *3*]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.leftmost_containing_or_above(3.0))
        # probe value is at a closed lower limit
        # [*2.1* .... 3]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.leftmost_containing_or_above(2.1))
        # probe value is at an open lower limit
        # [2 ... 3], (*4* ... 5]
        self.assertEqual(Range.open_closed(4.0, 5.0),
                         range_set.leftmost_containing_or_above(4.0))
        # probe value is at an open upper limit
        # [0 ... *2*) [2.1, 3.0]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.leftmost_containing_or_above(2.0))
        # probe value falls into a gap
        # [-2, -1] ... *-0.5* ... [0, 2)
        self.assertEqual(Range.closed_open(0, 2),
                         range_set.leftmost_containing_or_above(-0.5))
        # no range above
        # (5.1 ... 7) ... *8*
        self.assertIsNone(range_set.leftmost_containing_or_above(8))
        # empty rangeset
        self.assertIsNone(RangeSet.create_mutable().add(Range.closed(
            1.0, 2.0)).leftmost_containing_or_above(3.0))
        # higher range has open upper bound
        # (1,*2*)
        self.assertIsNone(RangeSet.create_mutable().add(Range.open(
            1.0, 2.0)).leftmost_containing_or_above(2.0))
示例#8
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 def test_closed_open(self):
     rng = Range.closed_open(5, 8)
     self.check_contains(rng)
     self.assertTrue(rng.has_lower_bound())
     self.assertEqual(5, rng.lower_endpoint)
     self.assertEqual(BoundType.closed(), rng.lower_bound_type)
     self.assertTrue(rng.has_upper_bound())
     self.assertEqual(8, rng.upper_endpoint)
     self.assertEqual(BoundType.open(), rng.upper_bound_type)
     self.assertFalse(rng.is_empty())
     self.assertEqual("[5..8)", str(rng))
示例#9
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 def test_empty_1(self):
     rng = Range.closed_open(4, 4)
     self.assertFalse(3 in rng)
     self.assertFalse(4 in rng)
     self.assertFalse(5 in rng)
     self.assertTrue(rng.has_lower_bound())
     self.assertEqual(4, rng.lower_endpoint)
     self.assertEqual(BoundType.closed(), rng.lower_bound_type)
     self.assertTrue(rng.has_upper_bound())
     self.assertEqual(4, rng.upper_endpoint)
     self.assertEqual(BoundType.open(), rng.upper_bound_type)
     self.assertTrue(rng.is_empty())
     self.assertEqual("[4..4)", str(rng))
示例#10
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    def test_encloses_closed(self):
        rng = Range.closed(2, 5)
        self.assertTrue(rng.encloses(rng))
        self.assertTrue(rng.encloses(Range.open(2, 5)))
        self.assertTrue(rng.encloses(Range.open_closed(2, 5)))
        self.assertTrue(rng.encloses(Range.closed_open(2, 5)))
        self.assertTrue(rng.encloses(Range.closed(3, 5)))
        self.assertTrue(rng.encloses(Range.closed(2, 4)))

        self.assertFalse(rng.encloses(Range.open(1, 6)))
        self.assertFalse(rng.encloses(Range.greater_than(3)))
        self.assertFalse(rng.encloses(Range.less_than(3)))
        self.assertFalse(rng.encloses(Range.at_least(3)))
        self.assertFalse(rng.encloses(Range.at_most(3)))
        self.assertFalse(rng.encloses(Range.all()))
示例#11
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 def test_range_enclosing_range(self) -> None:
     range_set: MutableRangeSet[int] = RangeSet.create_mutable()
     range_set.add_all(
         [Range.at_most(2),
          Range.open_closed(5, 8),
          Range.at_least(10)])
     self.assertEqual(None,
                      range_set.range_enclosing_range(Range.closed(2, 3)))
     self.assertEqual(Range.at_most(2),
                      range_set.range_enclosing_range(Range.open(-1, 0)))
     self.assertEqual(
         Range.open_closed(5, 8),
         range_set.range_enclosing_range(Range.closed_open(6, 7)),
     )
     self.assertEqual(None,
                      range_set.range_enclosing_range(Range.closed(5, 8)))
示例#12
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    def test_intersection_de_facto_empty(self):
        rng = Range.open(3, 4)
        self.assertEqual(rng, rng.intersection(rng))
        self.assertEqual(Range.open_closed(3, 3),
                         rng.intersection(Range.at_most(3)))
        self.assertEqual(Range.closed_open(4, 4),
                         rng.intersection(Range.at_least(4)))

        with self.assertRaises(ValueError):
            rng.intersection(Range.less_than(3))
        with self.assertRaises(ValueError):
            rng.intersection(Range.greater_than(4))

        rng2 = Range.closed(3, 4)
        self.assertEqual(Range.open_closed(4, 4),
                         rng2.intersection(Range.greater_than(4)))
示例#13
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    def test_intersection_singleton(self):
        rng = Range.closed(3, 3)
        self.assertEqual(rng, rng.intersection(rng))

        self.assertEqual(rng, rng.intersection(Range.at_most(4)))
        self.assertEqual(rng, rng.intersection(Range.at_most(3)))
        self.assertEqual(rng, rng.intersection(Range.at_least(3)))
        self.assertEqual(rng, rng.intersection(Range.at_least(2)))

        self.assertEqual(Range.closed_open(3, 3),
                         rng.intersection(Range.less_than(3)))
        self.assertEqual(Range.open_closed(3, 3),
                         rng.intersection(Range.greater_than(3)))

        with self.assertRaises(ValueError):
            rng.intersection(Range.at_least(4))
        with self.assertRaises(ValueError):
            rng.intersection(Range.at_most(2))
示例#14
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    def test_intersects(self):
        rng = Range.closed(4, 8)

        # separate
        self.assertFalse(rng.intersects(Range.closed(0, 2)))

        # adjacent below
        self.assertTrue(rng.intersects(Range.closed_open(2, 4)))

        # overlap below
        self.assertTrue(rng.intersects(Range.closed(2, 6)))

        # enclosed with same start
        self.assertTrue(rng.intersects(Range.closed(4, 6)))

        # enclosed, interior
        self.assertTrue(rng.intersects(Range.closed(5, 7)))

        # enclosed with same end
        self.assertTrue(rng.intersects(Range.closed(6, 8)))

        # equal
        self.assertTrue(rng.intersects(rng))

        # enclosing with same start
        self.assertTrue(rng.intersects(Range.closed(4, 10)))

        # enclosing with same end
        self.assertTrue(rng.intersects(Range.closed(2, 8)))

        # enclosing, exterior
        self.assertTrue(rng.intersects(Range.closed(2, 10)))

        # overlap above
        self.assertTrue(rng.intersects(Range.closed(6, 10)))

        # adjacent above
        self.assertTrue(rng.intersects(Range.open_closed(8, 10)))

        self.assertFalse(rng.intersects(Range.closed(10, 12)))
示例#15
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# TODO: move this to vistautils
def _in_range(_range: Range[_T]) -> Callable[[Any, Any, Any], None]:
    def validator(obj, attribute: Attribute, value) -> None:  # type: ignore
        if value not in _range:
            raise ValueError(
                f"Attribute {attribute.name}'s value is not in required range {_range} for object"
                f" of type {type(obj)}")

    return validator


_positive = _in_range(Range.greater_than(0.0))  # pylint:disable=invalid-name
_non_negative = _in_range(Range.at_least(0.0))  # pylint:disable=invalid-name
_degrees = _in_range(Range.closed_open(-360.0, 360.0))  # pylint:disable=invalid-name


@attrs(frozen=True)
class Cylinder:
    """
    A cylinder, irrespective of orientation.

    Marr's representation builds objects up from generalized cylinders; right now we only
    represent cylinders with circular cross-sections.
    """

    length_in_meters: float = attrib(validator=_positive, kw_only=True)
    diameter_in_meters: float = attrib(validator=_positive, kw_only=True)

示例#16
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class TestRangeSet(TestCase):
    """
    Tests for RangeSet

    Derived from Guava's TreeRangeSet tests, which were written by Louis Wasserman and Chris Povrik
    """

    MIN_BOUND = -1
    MAX_BOUND = 1
    BOUND_TYPES = [BoundType.open(), BoundType.closed()]

    QUERY_RANGES: List[Range[int]] = [Range.all()]
    for i in range(MIN_BOUND, MAX_BOUND + 1):
        QUERY_RANGES.extend([
            Range.at_most(i),
            Range.at_least(i),
            Range.less_than(i),
            Range.greater_than(i),
            Range.closed(i, i),
            Range.open_closed(i, i),
            Range.closed_open(i, i),
        ])
        for j in range(i + 1, MAX_BOUND + 1):
            QUERY_RANGES.extend([
                Range.open(i, j),
                Range.open_closed(i, j),
                Range.closed_open(i, j),
                Range.closed(i, j),
            ])

    def test_empty_enclosing(self):
        self._test_encloses(RangeSet.create_mutable())

    def test_empty_intersects(self):
        self._test_intersects(RangeSet.create_mutable())

    def test_all_single_ranges_enclosing(self):
        for query_range in TestRangeSet.QUERY_RANGES:
            self._test_encloses(RangeSet.create_mutable().add(query_range))
        # also test for the complement of empty once complements are implemented

    def test_all_pair_ranges_enclosing(self):
        for query_range_1 in TestRangeSet.QUERY_RANGES:
            for query_range_2 in TestRangeSet.QUERY_RANGES:
                self._test_encloses(RangeSet.create_mutable().add(
                    query_range_1).add(query_range_2))

    def test_intersect_ranges(self):
        range_set = RangeSet.create_mutable()
        range_set.add_all([
            Range.closed(2, 4),
            Range.closed(5, 7),
            Range.closed(10, 12),
            Range.closed(18, 20),
        ])
        self.assertEqual(
            range_set.ranges_overlapping(Range.closed(19, 21)),
            immutableset([Range.closed(18, 20)]),
        )
        self.assertEqual(
            range_set.ranges_overlapping(Range.closed(11, 19)),
            immutableset([Range.closed(10, 12),
                          Range.closed(18, 20)]),
        )
        self.assertEqual(range_set.ranges_overlapping(Range.closed(0, 1)),
                         immutableset())
        self.assertEqual(range_set.ranges_overlapping(Range.closed(21, 23)),
                         immutableset())
        self.assertEqual(range_set.ranges_overlapping(Range.closed(13, 15)),
                         immutableset())
        self.assertEqual(
            range_set.ranges_overlapping(Range.closed(0, 2)),
            immutableset([Range.closed(2, 4)]),
        )
        self.assertEqual(
            range_set.ranges_overlapping(Range.closed(12, 15)),
            immutableset([Range.closed(10, 12)]),
        )
        self.assertEqual(
            range_set.ranges_overlapping(Range.closed(5, 16)),
            immutableset([Range.closed(5, 7),
                          Range.closed(10, 12)]),
        )

    def test_merges_connected_with_overlap(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(1, 4))
        range_set.add(Range.open(2, 6))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed_open(1, 6) in range_set.as_ranges())

    def test_merges_connected_disjoint(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(1, 4))
        range_set.add(Range.open(4, 6))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed_open(1, 6) in range_set.as_ranges())

    def test_ignores_smaller_sharing_no_bound(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(1, 6))
        range_set.add(Range.open(2, 4))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed(1, 6) in range_set.as_ranges())

    def test_ignores_smaller_sharing_lower_bound(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(1, 6))
        range_set.add(Range.closed(1, 4))
        self._test_invariants(range_set)
        self.assertEqual(tuple([Range.closed(1, 6)]),
                         tuple(range_set.as_ranges()))

    def test_ignores_smaller_sharing_upper_bound(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(1, 6))
        range_set.add(Range.closed(3, 6))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed(1, 6) in range_set.as_ranges())

    def test_ignores_equal(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(1, 6))
        range_set.add(Range.closed(1, 6))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed(1, 6) in range_set.as_ranges())

    def test_extend_same_lower_bound(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(1, 4))
        range_set.add(Range.closed(1, 6))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed(1, 6) in range_set.as_ranges())

    def test_extend_same_upper_bound(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(3, 6))
        range_set.add(Range.closed(1, 6))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed(1, 6) in range_set.as_ranges())

    def test_extend_both_directions(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(3, 4))
        range_set.add(Range.closed(1, 6))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed(1, 6) in range_set.as_ranges())

    def test_add_empty(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed_open(3, 3))
        self._test_invariants(range_set)
        self.assertTrue(len(range_set.as_ranges()) == 0)
        self.assertTrue(range_set.is_empty())

    def test_fill_hole_exactly(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed_open(1, 3))
        range_set.add(Range.closed_open(4, 6))
        range_set.add(Range.closed_open(3, 4))
        self._test_invariants(range_set)
        self.assertTrue(Range.closed_open(1, 6) in range_set.as_ranges())

    def test_fill_hole_with_overlap(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed_open(1, 3))
        range_set.add(Range.closed_open(4, 6))
        range_set.add(Range.closed_open(2, 5))
        self._test_invariants(range_set)
        self.assertEqual(tuple([Range.closed_open(1, 6)]),
                         tuple(range_set.as_ranges()))

    def test_add_many_pairs(self):
        for a_low in range(0, 6):
            for a_high in range(0, 6):
                if a_low > a_high:
                    continue
                a_ranges = [
                    Range.closed(a_low, a_high),
                    Range.open_closed(a_low, a_high),
                    Range.closed_open(a_low, a_high),
                ]
                if a_low != a_high:
                    a_ranges.append(Range.open(a_low, a_high))

                for b_low in range(0, 6):
                    for b_high in range(0, 6):
                        if b_low > b_high:
                            continue
                        b_ranges = [
                            Range.closed(b_low, b_high),
                            Range.open_closed(b_low, b_high),
                            Range.closed_open(b_low, b_high),
                        ]
                        if b_low != b_high:
                            b_ranges.append(Range.open(b_low, b_high))
                        for a_range in a_ranges:
                            for b_range in b_ranges:
                                self._pair_test(a_range, b_range)

    def test_range_containing1(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(3, 10))
        self.assertEqual(Range.closed(3, 10), range_set.range_containing(5))
        self.assertTrue(5 in range_set)
        self.assertIsNone(range_set.range_containing(1))
        self.assertFalse(1 in range_set)

    def test_add_all(self):
        range_set = RangeSet.create_mutable()
        range_set.add(Range.closed(3, 10))
        range_set.add_all(
            [Range.open(1, 3),
             Range.closed(5, 8),
             Range.closed(9, 11)])
        self.assertEqual(tuple(range_set.as_ranges()),
                         tuple([Range.open_closed(1, 11)]))

    def test_all_single_ranges_intersecting(self):
        for query in TestRangeSet.QUERY_RANGES:
            self._test_intersects(RangeSet.create_mutable().add(query))

    def test_all_two_ranges_intersecting(self):
        for query_1 in TestRangeSet.QUERY_RANGES:
            for query_2 in TestRangeSet.QUERY_RANGES:
                self._test_intersects(
                    RangeSet.create_mutable().add(query_1).add(query_2))

    # forms the basis for corresponding tests in test_range_map
    def test_rightmost_containing_or_below(self):
        range_set = RangeSet.create_mutable().add_all((
            Range.closed(-2, -1),
            Range.closed_open(0, 2),
            # we don't do [0, 2), [2.1, 3] because they will coalesce
            # ditto for (4, 5] and (5.1, 7)
            Range.closed(2.1, 3),
            Range.open_closed(4, 5),
            Range.open(5.1, 7),
        ))

        # probe value is in the middle of a set
        # [2.1  ... *2.5* ... 3]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.rightmost_containing_or_below(2.5))
        # probe value is at a closed upper limit
        # [2.1 .... *3*]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.rightmost_containing_or_below(3.0))
        # probe value is at a closed lower limit
        # [*2.1* .... 3]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.rightmost_containing_or_below(2.1))
        # probe value is at an open lower limit
        # [2.1 ... 3], (*4* ... 5]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.rightmost_containing_or_below(4.0))
        # probe value is at an open upper limit
        # [0 ... *2.1*)
        self.assertEqual(Range.closed_open(0.0, 2.0),
                         range_set.rightmost_containing_or_below(2.0))
        # probe value falls into a gap
        # [-2, -1] ... *-0.5* ... [0, 2)
        self.assertEqual(Range.closed(-2.0, -1.0),
                         range_set.rightmost_containing_or_below(-0.5))
        # no range below
        # *-3* .... [-2,-1]
        self.assertIsNone(range_set.rightmost_containing_or_below(-3.0))
        # empty rangeset
        self.assertIsNone(RangeSet.create_mutable().add(Range.closed(
            1.0, 2.0)).rightmost_containing_or_below(0.0))
        # lowest range has open lower bound
        # (*1*,2)
        self.assertIsNone(RangeSet.create_mutable().add(Range.open(
            1.0, 2.0)).rightmost_containing_or_below(1.0))

    # forms the basis for corresponding tests in test_range_set
    def test_leftmost_containing_or_above(self):
        range_set = RangeSet.create_mutable().add_all((
            Range.closed(-2, -1),
            Range.closed_open(0, 2),
            # we don't do [0, 2), [2.1, 3] because they will coalesce
            # ditto for (4, 5] and (5.1, 7)
            Range.closed(2.1, 3),
            Range.open_closed(4, 5),
            Range.open(5.1, 7),
        ))

        # probe value is in the middle of a set
        # [2.1  ... *2.5* ... 3]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.leftmost_containing_or_above(2.5))
        # probe value is at a closed upper limit
        # [2.1 .... *3*]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.leftmost_containing_or_above(3.0))
        # probe value is at a closed lower limit
        # [*2.1* .... 3]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.leftmost_containing_or_above(2.1))
        # probe value is at an open lower limit
        # [2 ... 3], (*4* ... 5]
        self.assertEqual(Range.open_closed(4.0, 5.0),
                         range_set.leftmost_containing_or_above(4.0))
        # probe value is at an open upper limit
        # [0 ... *2*) [2.1, 3.0]
        self.assertEqual(Range.closed(2.1, 3.0),
                         range_set.leftmost_containing_or_above(2.0))
        # probe value falls into a gap
        # [-2, -1] ... *-0.5* ... [0, 2)
        self.assertEqual(Range.closed_open(0, 2),
                         range_set.leftmost_containing_or_above(-0.5))
        # no range above
        # (5.1 ... 7) ... *8*
        self.assertIsNone(range_set.leftmost_containing_or_above(8))
        # empty rangeset
        self.assertIsNone(RangeSet.create_mutable().add(Range.closed(
            1.0, 2.0)).leftmost_containing_or_above(3.0))
        # higher range has open upper bound
        # (1,*2*)
        self.assertIsNone(RangeSet.create_mutable().add(Range.open(
            1.0, 2.0)).leftmost_containing_or_above(2.0))

    def test_len(self):
        self.assertEqual(0, len(RangeSet.create_mutable()))
        self.assertEqual(
            1, len(RangeSet.create_mutable().add(Range.closed(1, 2))))
        self.assertEqual(
            2,
            len(RangeSet.create_mutable().add(Range.closed(1, 2)).add(
                Range.open(3, 4))),
        )

    # support methods

    def _pair_test(self, a: Range[int], b: Range[int]) -> None:
        range_set: MutableRangeSet[int] = RangeSet.create_mutable()
        range_set.add(a)
        range_set.add(b)
        if a.is_empty() and b.is_empty():
            self.assertTrue(range_set.is_empty())
            self.assertFalse(range_set.as_ranges())
        elif a.is_empty():
            self.assertTrue(b in range_set.as_ranges())
        elif b.is_empty():
            self.assertTrue(a in range_set.as_ranges())
        elif a.is_connected(b):
            self.assertEqual(tuple(range_set.as_ranges()), tuple([a.span(b)]))
        else:
            if a.lower_endpoint < b.lower_endpoint:
                self.assertEqual(tuple(range_set.as_ranges()), tuple([a, b]))
            else:
                self.assertEqual(ImmutableSet.of([a, b]),
                                 ImmutableSet.of(range_set.as_ranges()))

    def _test_encloses(self, range_set: RangeSet[int]):
        self.assertTrue(range_set.encloses_all(ImmutableSet.empty()))
        for query_range in TestRangeSet.QUERY_RANGES:
            expected_to_enclose = any(
                x.encloses(query_range) for x in range_set.as_ranges())
            self.assertEqual(expected_to_enclose,
                             range_set.encloses(query_range))
            self.assertEqual(expected_to_enclose,
                             range_set.encloses_all([query_range]))

    def _test_intersects(self, range_set: RangeSet[int]):
        for query in TestRangeSet.QUERY_RANGES:
            expect_intersects = any(
                r.is_connected(query) and not r.intersection(query).is_empty()
                for r in range_set.as_ranges())
            self.assertEqual(expect_intersects, range_set.intersects(query))

    def _test_invariants(self, range_set: RangeSet[int]):
        self.assertEqual(len(range_set.as_ranges()) == 0, range_set.is_empty())
        as_ranges: Sequence[Range[int]] = tuple(range_set.as_ranges())

        # test that connected ranges are coalesced
        for (range_1, range_2) in tile_with_pairs(as_ranges):
            self.assertFalse(range_1.is_connected(range_2))

        for rng in as_ranges:
            self.assertFalse(rng.is_empty())

        # test that the RangeSet's span is the span of all the ranges
        if as_ranges:
            self.assertEqual(Range.create_spanning(range_set.as_ranges()),
                             range_set.span)
        else:
            with self.assertRaises(ValueError):
                # pylint: disable=pointless-statement
                # noinspection PyStatementEffect
                range_set.span

    # test internal utility functions

    def test_entry_above_below(self):
        sorted_dict = SortedDict({1: 1, 3: 3, 5: 5, 7: 7, 9: 9})
        value_at_or_below_reference = (
            (0, None),
            (1, 1),
            (2, 1),
            (3, 3),
            (4, 3),
            (5, 5),
            (6, 5),
            (7, 7),
            (8, 7),
            (9, 9),
            (10, 9),
            (200, 9),
        )
        for (key, ref) in value_at_or_below_reference:
            self.assertEqual(_value_at_or_below(sorted_dict, key), ref)

        value_below_reference = (
            (0, None),
            (1, None),
            (2, 1),
            (3, 1),
            (4, 3),
            (5, 3),
            (6, 5),
            (7, 5),
            (8, 7),
            (9, 7),
            (10, 9),
            (200, 9),
        )
        for (key, ref) in value_below_reference:
            self.assertEqual(_value_below(sorted_dict, key), ref)

        value_at_or_above_reference = (
            (0, 1),
            (1, 1),
            (2, 3),
            (3, 3),
            (4, 5),
            (5, 5),
            (6, 7),
            (7, 7),
            (8, 9),
            (9, 9),
            (10, None),
            (200, None),
        )
        for (key, ref) in value_at_or_above_reference:
            self.assertEqual(_value_at_or_above(sorted_dict, key), ref)

    def test_pickling(self):
        empty_mutable_rangeset = MutableRangeSet.create_mutable()
        empty_immutable_rangeset = ImmutableRangeSet.builder().build()
        ranges = (Range.closed(0, 2), Range.closed(5,
                                                   29), Range.closed(35, 39))
        mutable_rangeset = MutableRangeSet.create_mutable().add_all(ranges)
        immutable_rangeset = ImmutableRangeSet.builder().add_all(
            ranges).build()

        self.assertEqual(empty_mutable_rangeset,
                         pickle.loads(pickle.dumps(empty_mutable_rangeset)))
        self.assertEqual(empty_immutable_rangeset,
                         pickle.loads(pickle.dumps(empty_immutable_rangeset)))
        self.assertEqual(mutable_rangeset,
                         pickle.loads(pickle.dumps(mutable_rangeset)))
        self.assertEqual(immutable_rangeset,
                         pickle.loads(pickle.dumps(immutable_rangeset)))

        self.assertEqual(empty_mutable_rangeset.__getstate__(), ())
        self.assertEqual(empty_immutable_rangeset.__getstate__(), ())

        self.assertEqual(mutable_rangeset.__getstate__(), ranges)
        self.assertEqual(immutable_rangeset.__getstate__(), ranges)
示例#17
0
 def test_add_empty(self):
     range_set = RangeSet.create_mutable()
     range_set.add(Range.closed_open(3, 3))
     self._test_invariants(range_set)
     self.assertTrue(len(range_set.as_ranges()) == 0)
     self.assertTrue(range_set.is_empty())
示例#18
0
 def test_merges_connected_disjoint(self):
     range_set = RangeSet.create_mutable()
     range_set.add(Range.closed(1, 4))
     range_set.add(Range.open(4, 6))
     self._test_invariants(range_set)
     self.assertTrue(Range.closed_open(1, 6) in range_set.as_ranges())