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# The MIT License (MIT)
# Copyright (c) Microsoft Corporation. All rights reserved.
import unittest
import pytest
from azure.cosmos._routing import routing_range as routing_range
from azure.cosmos._routing.routing_map_provider import CollectionRoutingMap
from azure.cosmos._routing.routing_map_provider import SmartRoutingMapProvider
from typing import Optional, Mapping, Any
@pytest.mark.cosmosEmulator
class TestRoutingMapProvider(unittest.TestCase):
class MockedCosmosClientConnection(object):
def __init__(self, partition_key_ranges):
self.partition_key_ranges = partition_key_ranges
def _ReadPartitionKeyRanges(self, collection_link: str, feed_options: Optional[Mapping[str, Any]] = None):
return self.partition_key_ranges
def setUp(self):
self.partition_key_ranges = [{u'id': u'0', u'minInclusive': u'', u'maxExclusive': u'05C1C9CD673398'},
{u'id': u'1', u'minInclusive': u'05C1C9CD673398',
u'maxExclusive': u'05C1D9CD673398'},
{u'id': u'2', u'minInclusive': u'05C1D9CD673398',
u'maxExclusive': u'05C1E399CD6732'},
{u'id': u'3', u'minInclusive': u'05C1E399CD6732',
u'maxExclusive': u'05C1E9CD673398'},
{u'id': u'4', u'minInclusive': u'05C1E9CD673398', u'maxExclusive': u'FF'}]
self.smart_routing_map_provider = self.instantiate_smart_routing_map_provider(self.partition_key_ranges)
partitionRangeWithInfo = map(lambda r: (r, True), self.partition_key_ranges)
self.cached_collection_routing_map = CollectionRoutingMap.CompleteRoutingMap(partitionRangeWithInfo,
'sample collection id')
def instantiate_smart_routing_map_provider(self, partition_key_ranges):
client = TestRoutingMapProvider.MockedCosmosClientConnection(partition_key_ranges)
return SmartRoutingMapProvider(client)
def test_full_range(self):
# query range is the whole partition key range
pkRange = routing_range.Range("", "FF", True, False)
overlapping_partition_key_ranges = self.get_overlapping_ranges([pkRange])
self.assertEqual(len(overlapping_partition_key_ranges), len(self.partition_key_ranges))
self.assertEqual(overlapping_partition_key_ranges, self.partition_key_ranges)
pkRange = routing_range.Range("", "FF", False, False)
overlapping_partition_key_ranges = self.get_overlapping_ranges([pkRange])
self.assertEqual(overlapping_partition_key_ranges, self.partition_key_ranges)
self.assertEqual(self.cached_collection_routing_map.get_overlapping_ranges([pkRange]),
self.partition_key_ranges)
def test_empty_ranges(self):
# query range is the whole partition key range
pkRange = routing_range.Range("", "FF", True, False)
overlapping_partition_key_ranges = self.get_overlapping_ranges([pkRange])
self.assertEqual(len(overlapping_partition_key_ranges), len(self.partition_key_ranges))
self.assertEqual(overlapping_partition_key_ranges, self.partition_key_ranges)
# query range list is empty
overlapping_partition_key_ranges = self.get_overlapping_ranges([])
self.assertEqual(len(overlapping_partition_key_ranges), 0)
# validate the overlaping partition key ranges results for empty ranges is empty
empty_start_range = routing_range.Range("", "", False, True)
empty_end_range = routing_range.Range("FF", "FF", False, True)
empty_range = routing_range.Range("AA", "AA", False, True)
self.validate_empty_query_ranges([empty_range], [empty_start_range], [empty_end_range],
[empty_start_range, empty_range], [empty_start_range, empty_end_range],
[empty_range, empty_end_range],
[empty_range, empty_range, empty_end_range])
def test_bad_overlapping_query_ranges(self):
# they share AA point
r1 = routing_range.Range("", "AA", True, True)
r2 = routing_range.Range("AA", "FF", True, False)
def func_one_point_overlap():
self.smart_routing_map_provider.get_overlapping_ranges("sample collection id", [r1, r2])
self.assertRaises(ValueError, func_one_point_overlap)
# overlapping range
r1 = routing_range.Range("", "AB", True, False)
r2 = routing_range.Range("AA", "FA", True, False)
def func_overlap():
self.smart_routing_map_provider.get_overlapping_ranges("sample collection id", [r1, r2])
self.assertRaises(ValueError, func_overlap)
r1 = routing_range.Range("AB", "AC", True, False)
r1 = routing_range.Range("AA", "AB", True, False)
def func_non_sorted():
self.smart_routing_map_provider.get_overlapping_ranges("sample collection id", [r1, r2])
self.assertRaises(ValueError, func_overlap)
def test_empty_ranges_are_thrown_away(self):
e1 = routing_range.Range("", "", True, False)
r1 = routing_range.Range("", "AB", True, False)
e2 = routing_range.Range("AB", "AB", True, False)
r2 = routing_range.Range("AB", "AC", True, False)
e3 = routing_range.Range("AC", "AC", True, False)
e4 = routing_range.Range("AD", "AD", True, False)
self.validate_overlapping_ranges_results([e1, r1, e2, r2, e3, e4], self.get_overlapping_ranges([r1, r2]))
self.validate_against_cached_collection_results([e1, r1, e2, r2, e3, e4])
def test_simple(self):
r = routing_range.Range("AB", "AC", True, False)
self.validate_against_cached_collection_results([r])
ranges = [
routing_range.Range("0000000040", "0000000045", True, False),
routing_range.Range("0000000045", "0000000046", True, False),
routing_range.Range("0000000046", "0000000050", True, False)
]
self.validate_against_cached_collection_results(ranges)
def test_simple_boundary(self):
ranges = [
routing_range.Range("05C1C9CD673398", "05C1D9CD673398", True, False),
]
self.validate_against_cached_collection_results(ranges)
self.validate_overlapping_ranges_results(ranges, self.partition_key_ranges[1:2])
def test_two_adjacent_boundary(self):
ranges = [
# self.partition_key_ranges[1]
routing_range.Range("05C1C9CD673398", "05C1D9CD673398", True, False),
# self.partition_key_ranges[2]
routing_range.Range("05C1D9CD673398", "05C1D9CD673399", True, False),
]
self.validate_against_cached_collection_results(ranges)
self.validate_overlapping_ranges_results(ranges, self.partition_key_ranges[1:3])
def test_two_ranges_in_one_partition_key_range(self):
# two ranges fall in the same partition key range
ranges = [
routing_range.Range("05C1C9CD673400", "05C1C9CD673401", True, False),
routing_range.Range("05C1C9CD673402", "05C1C9CD673403", True, False),
]
self.validate_against_cached_collection_results(ranges)
self.validate_overlapping_ranges_results(ranges, self.partition_key_ranges[1:2])
def test_complex(self):
ranges = [
# all are covered by self.partition_key_ranges[1]
routing_range.Range("05C1C9CD673398", "05C1D9CD673391", True, False),
routing_range.Range("05C1D9CD673391", "05C1D9CD673392", True, False),
routing_range.Range("05C1D9CD673393", "05C1D9CD673395", True, False),
routing_range.Range("05C1D9CD673395", "05C1D9CD673395", True, False),
# all are covered by self.partition_key_ranges[4]]
routing_range.Range("05C1E9CD673398", "05C1E9CD673401", True, False),
routing_range.Range("05C1E9CD673402", "05C1E9CD673403", True, False),
# empty range
routing_range.Range("FF", "FF", True, False),
]
self.validate_against_cached_collection_results(ranges)
self.validate_overlapping_ranges_results(ranges, [self.partition_key_ranges[1], self.partition_key_ranges[4]])
def validate_against_cached_collection_results(self, queryRanges):
# validates the results of smart routing map provider against the results of cached collection map
overlapping_partition_key_ranges = self.get_overlapping_ranges(queryRanges)
self.assertEqual(overlapping_partition_key_ranges,
self.cached_collection_routing_map.get_overlapping_ranges(queryRanges))
def validate_overlapping_ranges_results(self, queryRanges, expected_overlapping_partition_key_ranges):
overlapping_partition_key_ranges = self.get_overlapping_ranges(queryRanges)
self.assertEqual(overlapping_partition_key_ranges, expected_overlapping_partition_key_ranges)
def validate_empty_query_ranges(self, smart_routing_map_provider, *queryRangesList):
for queryRanges in queryRangesList:
self.validate_overlapping_ranges_results(queryRanges, [])
def get_overlapping_ranges(self, queryRanges):
return self.smart_routing_map_provider.get_overlapping_ranges("dbs/db/colls/container", queryRanges)
if __name__ == "__main__":
# import sys;sys.argv = ['', 'Test.testName']
unittest.main()
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