def test_with_non_positive_page_size(self):
with self.assertRaises(ValueError):
paging(true(), 0)
with self.assertRaises(ValueError):
paging(true(), -1)
def test_previous_page_when_index_is_zero(self):
predicate = paging(true(), 2)
self.assertEqual(0, predicate.previous_page())
self.assertEqual(0, predicate.previous_page())
def test_true(self):
m = self.fill_map()
predicate = true()
self.assertCountEqual(self.map.key_set(predicate), list(m.keys()))
def test_with_inner_paging_predicate(self):
predicate = paging(true(), 1)
with self.assertRaises(TypeError):
paging(predicate, 1)
def test_project_with_paging_predicate(self):
with self.assertRaises(AssertionError):
self.map.project(single_attribute("foo"), paging(true(), 10))
def test_aggregate_with_paging_predicate(self):
with self.assertRaises(AssertionError):
self.map.aggregate(int_avg("foo"), paging(true(), 10))
REFERENCE_OBJECTS.update({
"AnInnerPortable":
_inner_portable,
"CustomStreamSerializable":
_custom_serializable,
"CustomByteArraySerializable":
_custom_byte_array_serializable,
"AnIdentifiedDataSerializable":
_identified,
"APortable":
_portable,
"ArrayList": [None, _non_null_list],
"LinkedList": [None, _non_null_list],
"TruePredicate":
predicate.true(),
"FalsePredicate":
predicate.false(),
"SqlPredicate":
predicate.sql(_sql_string),
"EqualPredicate":
predicate.equal(_sql_string, REFERENCE_OBJECTS["Integer"]),
"NotEqualPredicate":
predicate.not_equal(_sql_string, REFERENCE_OBJECTS["Integer"]),
"GreaterLessPredicate":
predicate.greater(_sql_string, REFERENCE_OBJECTS["Integer"]),
"BetweenPredicate":
predicate.between(_sql_string, REFERENCE_OBJECTS["Integer"],
REFERENCE_OBJECTS["Integer"]),
"LikePredicate":
predicate.like(_sql_string, _sql_string),
REFERENCE_OBJECTS["BigDecimal"],
REFERENCE_OBJECTS["LocalDate"],
REFERENCE_OBJECTS["LocalTime"],
REFERENCE_OBJECTS["OffsetDateTime"],
]
REFERENCE_OBJECTS.update(
{
"AnInnerPortable": _inner_portable,
"CustomStreamSerializable": _custom_serializable,
"CustomByteArraySerializable": _custom_byte_array_serializable,
"AnIdentifiedDataSerializable": _identified,
"APortable": _portable,
"ArrayList": [None, _non_null_list],
"LinkedList": [None, _non_null_list],
"TruePredicate": predicate.true(),
"FalsePredicate": predicate.false(),
"SqlPredicate": predicate.sql(_sql_string),
"EqualPredicate": predicate.equal(_sql_string, REFERENCE_OBJECTS["Integer"]),
"NotEqualPredicate": predicate.not_equal(_sql_string, REFERENCE_OBJECTS["Integer"]),
"GreaterLessPredicate": predicate.greater(_sql_string, REFERENCE_OBJECTS["Integer"]),
"BetweenPredicate": predicate.between(
_sql_string, REFERENCE_OBJECTS["Integer"], REFERENCE_OBJECTS["Integer"]
),
"LikePredicate": predicate.like(_sql_string, _sql_string),
"ILikePredicate": predicate.ilike(_sql_string, _sql_string),
"InPredicate": predicate.in_(
_sql_string, REFERENCE_OBJECTS["Integer"], REFERENCE_OBJECTS["Integer"]
),
"RegexPredicate": predicate.regex(_sql_string, _sql_string),
"AndPredicate": predicate.and_(
def test_paging(self):
predicate = paging(true(), 5)
self.assertEqual(
str(predicate),
"PagingPredicate(predicate=TruePredicate(), page_size=5, comparator=None)",
)
def test_true(self):
predicate = true()
self.assertEqual(str(predicate), "TruePredicate()")
"b": 2,
"c": 3,
"d": 4,
"e": 5,
"f": 6,
"g": 7,
})
size = m1.size()
print("Added %s elements" % size)
# When using paging predicate without a comparator,
# server sorts the entries according to their default
# orderings. In this particular case, values will be
# sorted in ascending order.
predicate = paging(true(), 2) # Get all values with page size of 2
# Prints pages of size 2 in the [1, 2], [3, 4], [5, 6], [7] order
for i in range(4):
values = m1.values(predicate)
print("Page %s:%s" % (i, values))
predicate.next_page(
) # Call next_page on predicate to get the next page on the next iteration
# If you want to sort results differently, you have to use
# a comparator. Comparator will be serialized and sent
# to server. Server will do the sorting accordingly. Hence,
# the implementation of the comparator must be defined on the
# server side and registered as a Portable or IdentifiedDataSerializable
# before the server starts.
