public async Task AddPartitionKeyRangeToContinuationTokenOnSplit()
        {
            const string BackendToken = "backendToken";
            RequestNameValueCollection        headers = new();
            List <CompositeContinuationToken> compositeContinuationTokensFromSplit = new List <CompositeContinuationToken>
            {
                new CompositeContinuationToken {
                    Token = "someToken", Range = new Range <string>("A", "B", true, false)
                },
                new CompositeContinuationToken {
                    Token = "anotherToken", Range = new Range <string>("B", "C", true, false)
                }
            };

            PartitionRoutingHelper partitionRoutingHelper = new PartitionRoutingHelper();

            //With backend header
            headers.Add(HttpConstants.HttpHeaders.Continuation, BackendToken);
            ResolvedRangeInfo resolvedRangeInfo = new ResolvedRangeInfo(new PartitionKeyRange(), new List <CompositeContinuationToken>(compositeContinuationTokensFromSplit));
            bool result = await partitionRoutingHelper.TryAddPartitionKeyRangeToContinuationTokenAsync(
                headers,
                null,
                null,
                null,
                resolvedRangeInfo,
                NoOpTrace.Singleton,
                RntdbEnumerationDirection.Reverse);

            List <CompositeContinuationToken> compositeContinuationTokens = JsonConvert.DeserializeObject <List <CompositeContinuationToken> >(headers.Get(HttpConstants.HttpHeaders.Continuation));

            Assert.IsTrue(result);
            Assert.AreEqual(compositeContinuationTokensFromSplit.Count, compositeContinuationTokens.Count);
            Assert.AreEqual(BackendToken, compositeContinuationTokens.First().Token);
            Assert.AreNotEqual(BackendToken, compositeContinuationTokens.Last().Token);

            //Without backend header
            headers.Remove(HttpConstants.HttpHeaders.Continuation);
            resolvedRangeInfo = new ResolvedRangeInfo(new PartitionKeyRange(), new List <CompositeContinuationToken>(compositeContinuationTokensFromSplit));
            result            = await partitionRoutingHelper.TryAddPartitionKeyRangeToContinuationTokenAsync(
                headers,
                null,
                null,
                null,
                resolvedRangeInfo,
                NoOpTrace.Singleton,
                RntdbEnumerationDirection.Reverse);

            compositeContinuationTokens = JsonConvert.DeserializeObject <List <CompositeContinuationToken> >(headers.Get(HttpConstants.HttpHeaders.Continuation));
            Assert.IsTrue(result);
            Assert.IsTrue(compositeContinuationTokens.Count == compositeContinuationTokensFromSplit.Count - 1);
            Assert.AreEqual(compositeContinuationTokensFromSplit.Last().Token, compositeContinuationTokens.First().Token);
        }
Example #2
0
        public async Task AddPartitionKeyRangeToContinuationTokenOnNotNullBackendContinuation()
        {
            ResolvedRangeInfo currentPartitionKeyRange = new ResolvedRangeInfo(new PartitionKeyRange {
                Id = "1", MinInclusive = "B", MaxExclusive = "C"
            }, null);
            Mock <IRoutingMapProvider> routingMapProvider = new Mock <IRoutingMapProvider>();

            routingMapProvider.Setup(m => m.TryGetOverlappingRangesAsync(
                                         It.IsAny <string>(),
                                         It.IsAny <Range <string> >(),
                                         It.IsAny <bool>()
                                         )).Returns(Task.FromResult <IReadOnlyList <PartitionKeyRange> >(null)).Verifiable();

            PartitionRoutingHelper        partitionRoutingHelper = new PartitionRoutingHelper();
            DictionaryNameValueCollection headers = new DictionaryNameValueCollection();

            headers.Add(HttpConstants.HttpHeaders.Continuation, "something");
            bool result = await partitionRoutingHelper.TryAddPartitionKeyRangeToContinuationTokenAsync(
                headers,
                null,
                routingMapProvider.Object,
                CollectionId,
                currentPartitionKeyRange,
                RntdbEnumerationDirection.Reverse
                );

            Assert.IsTrue(true);
            routingMapProvider.Verify(m => m.TryGetOverlappingRangesAsync(
                                          It.IsAny <string>(),
                                          It.IsAny <Range <string> >(),
                                          It.IsAny <bool>()
                                          ), Times.Never);
        }
        public async Task AddPartitionKeyRangeToContinuationTokenOnBoundry()
        {
            List <Range <string> > providedRanges = new List <Range <string> > {
                new Range <string>(
                    "A",
                    "D",
                    isMinInclusive: true,
                    isMaxInclusive: false)
            };

            //Reverse
            ResolvedRangeInfo currentPartitionKeyRange = new ResolvedRangeInfo(new PartitionKeyRange {
                Id = "0", MinInclusive = "A", MaxExclusive = "B"
            }, null);
            IReadOnlyList <PartitionKeyRange> overlappingRanges = new List <PartitionKeyRange> {
                new PartitionKeyRange {
                    Id = "0", MinInclusive = "A", MaxExclusive = "B"
                },
            }.AsReadOnly();
            Mock <IRoutingMapProvider> routingMapProvider = new Mock <IRoutingMapProvider>();

            routingMapProvider.Setup(m => m.TryGetOverlappingRangesAsync(
                                         It.IsAny <string>(),
                                         It.Is <Range <string> >(x => x.Min == providedRanges.Single().Min&& x.Max == providedRanges.Single().Max),
                                         It.IsAny <ITrace>(),
                                         It.Is <bool>(x => x == false)
                                         )).Returns(Task.FromResult(overlappingRanges)).Verifiable();

            PartitionRoutingHelper     partitionRoutingHelper = new PartitionRoutingHelper();
            RequestNameValueCollection headers = new();
            bool result = await partitionRoutingHelper.TryAddPartitionKeyRangeToContinuationTokenAsync(
                headers,
                providedRanges,
                routingMapProvider.Object,
                CollectionId,
                currentPartitionKeyRange,
                NoOpTrace.Singleton,
                RntdbEnumerationDirection.Reverse
                );

            Assert.IsTrue(result);
            routingMapProvider.Verify();
            string expectedContinuationToken = JsonConvert.SerializeObject(new CompositeContinuationToken
            {
                Token = null,
                Range = overlappingRanges.First().ToRange(),
            });

            Assert.IsNull(headers.Get(HttpConstants.HttpHeaders.Continuation));

            //Forward
            currentPartitionKeyRange = new ResolvedRangeInfo(new PartitionKeyRange {
                Id = "0", MinInclusive = "A", MaxExclusive = "D"
            }, null);
            overlappingRanges = new List <PartitionKeyRange> {
                new PartitionKeyRange {
                    Id = "0", MinInclusive = "A", MaxExclusive = "D"
                },
            }.AsReadOnly();
            routingMapProvider.Setup(m => m.TryGetOverlappingRangesAsync(
                                         It.IsAny <string>(),
                                         It.IsAny <Range <string> >(),
                                         It.IsAny <ITrace>(),
                                         It.IsAny <bool>()
                                         )).Returns(Task.FromResult(overlappingRanges));
            headers = new RequestNameValueCollection();

            result = await partitionRoutingHelper.TryAddPartitionKeyRangeToContinuationTokenAsync(
                headers,
                providedRanges,
                routingMapProvider.Object,
                CollectionId,
                currentPartitionKeyRange,
                NoOpTrace.Singleton,
                RntdbEnumerationDirection.Forward
                );

            Assert.IsTrue(result);
            routingMapProvider.Verify(m => m.TryGetOverlappingRangesAsync(
                                          It.IsAny <string>(),
                                          It.Is <Range <string> >(e => e.IsMaxInclusive),
                                          It.IsAny <ITrace>(),
                                          It.IsAny <bool>()
                                          ), Times.Never);
            expectedContinuationToken = JsonConvert.SerializeObject(new CompositeContinuationToken
            {
                Token = null,
                Range = overlappingRanges.Last().ToRange(),
            });
            Assert.IsNull(headers.Get(HttpConstants.HttpHeaders.Continuation));
        }
        public async Task AddPartitionKeyRangeToContinuationTokenOnNullBackendContinuation()
        {
            List <Range <string> > providedRanges = new List <Range <string> > {
                new Range <string>(
                    "A",
                    "D",
                    isMinInclusive: true,
                    isMaxInclusive: false)
            };
            ResolvedRangeInfo currentPartitionKeyRange = new ResolvedRangeInfo(new PartitionKeyRange {
                Id = "1", MinInclusive = "B", MaxExclusive = "C"
            }, null);

            IReadOnlyList <PartitionKeyRange> overlappingRanges = new List <PartitionKeyRange> {
                new PartitionKeyRange {
                    Id = "0", MinInclusive = "A", MaxExclusive = "B"
                },
                currentPartitionKeyRange.ResolvedRange,
                new PartitionKeyRange {
                    Id = "3", MinInclusive = "C", MaxExclusive = "D"
                }
            }.AsReadOnly();
            Mock <IRoutingMapProvider> routingMapProvider = new Mock <IRoutingMapProvider>();

            routingMapProvider.Setup(m => m.TryGetOverlappingRangesAsync(
                                         It.IsAny <string>(),
                                         It.Is <Range <string> >(x => x.Min == providedRanges.Single().Min&& x.Max == providedRanges.Single().Max),
                                         It.Is <bool>(x => x == false)
                                         )).Returns(Task.FromResult(overlappingRanges)).Verifiable();

            //Reverse
            PartitionRoutingHelper   partitionRoutingHelper = new PartitionRoutingHelper();
            StringKeyValueCollection headers = new StringKeyValueCollection();
            bool result = await partitionRoutingHelper.TryAddPartitionKeyRangeToContinuationTokenAsync(
                headers,
                providedRanges,
                routingMapProvider.Object,
                CollectionId,
                currentPartitionKeyRange,
                RntdbEnumerationDirection.Reverse
                );

            Assert.IsTrue(result);
            routingMapProvider.Verify();
            string expectedContinuationToken = JsonConvert.SerializeObject(new CompositeContinuationToken
            {
                Token = null,
                Range = overlappingRanges.First().ToRange(),
            });

            Assert.AreEqual(expectedContinuationToken, headers.Get(HttpConstants.HttpHeaders.Continuation));

            //Forward
            routingMapProvider.Setup(m => m.TryGetRangeByEffectivePartitionKey(
                                         It.IsAny <string>(),
                                         It.Is <string>(x => x == currentPartitionKeyRange.ResolvedRange.MaxExclusive)
                                         )).Returns(Task.FromResult(overlappingRanges.Last())).Verifiable();
            headers = new StringKeyValueCollection();
            result  = await partitionRoutingHelper.TryAddPartitionKeyRangeToContinuationTokenAsync(
                headers,
                providedRanges,
                routingMapProvider.Object,
                CollectionId,
                currentPartitionKeyRange,
                RntdbEnumerationDirection.Forward
                );

            Assert.IsTrue(result);
            routingMapProvider.Verify();
            expectedContinuationToken = JsonConvert.SerializeObject(new CompositeContinuationToken
            {
                Token = null,
                Range = overlappingRanges.Last().ToRange(),
            });
            Assert.AreEqual(expectedContinuationToken, headers.Get(HttpConstants.HttpHeaders.Continuation));
        }