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764 lines (671 loc) · 25.6 KB
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using System.Buffers;
using System.Diagnostics;
using NRedisStack.Search;
using NRedisStack.Search.Aggregation;
using StackExchange.Redis;
using Xunit;
namespace NRedisStack.Tests.Search;
public class HybridSearchUnitTests(ITestOutputHelper log)
{
private string Index { get; } = "myindex";
private ICollection<object> GetArgs(HybridSearchQuery query, IReadOnlyDictionary<string, object>? parameters = null)
{
Assert.Equal("FT.HYBRID", query.Command);
var args = query.GetArgs(Index, parameters).ToArray();
byte[] buffer = ArrayPool<byte>.Shared.Rent(128);
for (int i = 0; i < args.Length; i++)
{
var val = args[i];
if (val is RedisValue v)
{
// force non-readable values to an ASCII-printable string
var bytes = v.GetByteCount();
if (bytes > buffer.Length)
{
ArrayPool<byte>.Shared.Return(buffer);
buffer = ArrayPool<byte>.Shared.Rent(bytes);
}
var span = buffer.AsSpan(0, v.CopyTo(buffer));
Debug.Assert(span.Length == bytes, $"expected {bytes}, wrote {span.Length}");
var format = false;
foreach (var b in span)
{
if (b < 32 | b >= 127)
{
format = true;
break;
}
}
if (format) // not how resp-cli works, but: useful enough for unit tests
{
args[i] = Convert.ToBase64String(buffer, 0, bytes);
}
}
}
ArrayPool<byte>.Shared.Return(buffer);
log.WriteLine(query.Command + " " + string.Join(" ", args));
return args;
}
[Fact]
public void EmptySearch()
{
HybridSearchQuery query = new();
object[] expected = [Index];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void BasicSearch()
{
HybridSearchQuery query = new();
query.Search("foo");
object[] expected = [Index, "SEARCH", "foo"];
Assert.Equivalent(expected, GetArgs(query));
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public void BasicSearch_WithNullScorer(bool withAlias) // test: no SCORER added
{
HybridSearchQuery query = new();
HybridSearchQuery.SearchConfig queryConfig = "foo";
if (withAlias) queryConfig = queryConfig.WithScoreAlias("score_alias");
query.Search(queryConfig);
object[] expected = [Index, "SEARCH", "foo"];
if (withAlias)
{
expected = [.. expected, "YIELD_SCORE_AS", "score_alias"];
}
Assert.Equivalent(expected, GetArgs(query));
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public void BasicSearch_WithSimpleScorer(bool withAlias)
{
HybridSearchQuery query = new();
HybridSearchQuery.SearchConfig queryConfig = "foo";
queryConfig = queryConfig.WithScorer(Scorer.TfIdf);
if (withAlias) queryConfig = queryConfig.WithScoreAlias("score_alias");
query.Search(queryConfig);
object[] expected = [Index, "SEARCH", "foo", "SCORER", "TFIDF"];
if (withAlias)
{
expected = [.. expected, "YIELD_SCORE_AS", "score_alias"];
}
Assert.Equivalent(expected, GetArgs(query));
}
[Theory]
[InlineData("TFIDF")]
[InlineData("TFIDF.DOCNORM")]
[InlineData("BM25STD")]
[InlineData("BM25STD.NORM")]
[InlineData("DISMAX")]
[InlineData("DOCSCORE")]
[InlineData("HAMMING")]
public void BasicSearch_WithKnownSimpleScorers(string scenario)
{
HybridSearchQuery query = new();
HybridSearchQuery.SearchConfig queryConfig = "foo";
queryConfig = queryConfig.WithScorer(scenario switch
{
"TFIDF" => Scorer.TfIdf,
"TFIDF.DOCNORM" => Scorer.TfIdfDocNorm,
"BM25STD" => Scorer.BM25Std,
"BM25STD.NORM" => Scorer.BM25StdNorm,
"DISMAX" => Scorer.DisMax,
"DOCSCORE" => Scorer.DocScore,
"HAMMING" => Scorer.Hamming,
_ => throw new NotImplementedException(),
});
query.Search(queryConfig);
object[] expected = [Index, "SEARCH", "foo", "SCORER", scenario];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void BasicSearch_WithBM25StdTanh()
{
HybridSearchQuery query = new();
query.Search(new("foo", scorer: Scorer.BM25StdTanh(5)));
object[] expected = [Index, "SEARCH", "foo", "SCORER", "BM25STD.TANH", "BM25STD_TANH_FACTOR", 5];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void BasicVectorSearch()
{
HybridSearchQuery query = new();
byte[] blob = [];
query.VectorSearch("vfield", VectorData.Raw(blob));
object[] expected = [Index, "VSIM", "vfield", "$v", "PARAMS", 2, "v", ""];
Assert.Equivalent(expected, GetArgs(query));
}
private static readonly VectorData<float> SomeRandomDataHere = VectorData.LeaseWithValues<float>(1, 2, 3, 4);
private const string SomeRandomVectorValue = "AACAPwAAAEAAAEBAAACAQA==";
[Fact]
public void BasicNonZeroLengthVectorSearch()
{
HybridSearchQuery query = new();
query.VectorSearch("vfield", SomeRandomDataHere);
object[] expected = [Index, "VSIM", "vfield", "$v", "PARAMS", 2, "v", SomeRandomVectorValue];
Assert.Equivalent(expected, GetArgs(query));
}
[Theory]
[InlineData(false, false, false)]
[InlineData(false, true, false)]
[InlineData(true, false, false)]
[InlineData(true, true, false)]
[InlineData(false, false, true)]
[InlineData(false, true, true)]
[InlineData(true, false, true)]
[InlineData(true, true, true)]
public void BasicVectorSearch_WithKNN(bool withScoreAlias, bool withDistanceAlias, bool withShardRatio)
{
HybridSearchQuery query = new();
var searchConfig = new HybridSearchQuery.VectorSearchConfig("vField", SomeRandomDataHere);
if (withScoreAlias) searchConfig = searchConfig.WithScoreAlias("my_score_alias");
var method = withShardRatio
? VectorSearchMethod.NearestNeighbour(null, null, distanceAlias: withDistanceAlias ? "my_distance_alias" : null, shardRatio: 0.5)
: VectorSearchMethod.NearestNeighbour(null, null, distanceAlias: withDistanceAlias ? "my_distance_alias" : null);
searchConfig = searchConfig.WithMethod(method);
query.VectorSearch(searchConfig);
var knnCount = 2;
if (withDistanceAlias) knnCount += 2;
if (withShardRatio) knnCount += 2;
object[] expected =
[Index, "VSIM", "vField", "$v", "KNN", knnCount, "K", 10];
if (withDistanceAlias)
{
expected = [.. expected, "YIELD_DISTANCE_AS", "my_distance_alias"];
}
if (withShardRatio)
{
expected = [.. expected, "SHARD_K_RATIO", 0.5];
}
if (withScoreAlias)
{
expected = [.. expected, "YIELD_SCORE_AS", "my_score_alias"];
}
expected = [.. expected, "PARAMS", 2, "v", SomeRandomVectorValue];
var args = GetArgs(query);
log?.WriteLine($"expected: {string.Join(" ", expected)}");
log?.WriteLine($"actual: {string.Join(" ", args)}");
Assert.Equivalent(expected, args);
}
[Theory]
[InlineData(false, false)]
[InlineData(false, true)]
[InlineData(true, false)]
[InlineData(true, true)]
public void BasicVectorSearch_WithKNN_WithEF(bool withScoreAlias, bool withDistanceAlias)
{
HybridSearchQuery query = new();
var searchConfig = new HybridSearchQuery.VectorSearchConfig("vfield", SomeRandomDataHere);
if (withScoreAlias) searchConfig = searchConfig.WithScoreAlias("my_score_alias");
searchConfig = searchConfig.WithMethod(VectorSearchMethod.NearestNeighbour(
16,
maxTopCandidates: 100,
distanceAlias: withDistanceAlias ? "my_distance_alias" : null));
query.VectorSearch(searchConfig);
object[] expected =
[
Index, "VSIM", "vfield", "$v", "KNN", withDistanceAlias ? 6 : 4, "K", 16,
"EF_RUNTIME", 100
];
if (withDistanceAlias)
{
expected = [.. expected, "YIELD_DISTANCE_AS", "my_distance_alias"];
}
if (withScoreAlias)
{
expected = [.. expected, "YIELD_SCORE_AS", "my_score_alias"];
}
expected = [.. expected, "PARAMS", 2, "v", SomeRandomVectorValue];
Assert.Equivalent(expected, GetArgs(query));
}
[Theory]
[InlineData(false, false)]
[InlineData(false, true)]
[InlineData(true, false)]
[InlineData(true, true)]
public void BasicVectorSearch_WithRange(bool withScoreAlias, bool withDistanceAlias)
{
HybridSearchQuery query = new();
var searchConfig = new HybridSearchQuery.VectorSearchConfig("vfield", SomeRandomDataHere);
if (withScoreAlias) searchConfig = searchConfig.WithScoreAlias("my_score_alias");
searchConfig = searchConfig.WithMethod(VectorSearchMethod.Range(4.2, null,
distanceAlias: withDistanceAlias ? "my_distance_alias" : null));
query.VectorSearch(searchConfig);
object[] expected =
[
Index, "VSIM", "vfield", "$v", "RANGE", withDistanceAlias ? 4 : 2, "RADIUS",
4.2
];
if (withDistanceAlias)
{
expected = [.. expected, "YIELD_DISTANCE_AS", "my_distance_alias"];
}
if (withScoreAlias)
{
expected = [.. expected, "YIELD_SCORE_AS", "my_score_alias"];
}
expected = [.. expected, "PARAMS", 2, "v", SomeRandomVectorValue];
Assert.Equivalent(expected, GetArgs(query));
}
[Theory]
[InlineData(false, false)]
[InlineData(false, true)]
[InlineData(true, false)]
[InlineData(true, true)]
public void BasicVectorSearch_WithRange_WithEpsilon(bool withScoreAlias, bool withDistanceAlias)
{
HybridSearchQuery query = new();
HybridSearchQuery.VectorSearchConfig vsimConfig = new("vfield", SomeRandomDataHere);
if (withScoreAlias) vsimConfig = vsimConfig.WithScoreAlias("my_score_alias");
vsimConfig = vsimConfig.WithMethod(VectorSearchMethod.Range(4.2,
epsilon: 0.06,
distanceAlias: withDistanceAlias ? "my_distance_alias" : null));
query.VectorSearch(vsimConfig);
object[] expected =
[
Index, "VSIM", "vfield", "$v", "RANGE", withDistanceAlias ? 6 : 4, "RADIUS",
4.2, "EPSILON", 0.06
];
if (withDistanceAlias)
{
expected = [.. expected, "YIELD_DISTANCE_AS", "my_distance_alias"];
}
if (withScoreAlias)
{
expected = [.. expected, "YIELD_SCORE_AS", "my_score_alias"];
}
expected = [.. expected, "PARAMS", 2, "v", SomeRandomVectorValue];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void BasicVectorSearch_WithFilter_NoPolicy()
{
HybridSearchQuery query = new();
query.VectorSearch(new("vfield", SomeRandomDataHere, filter: "@foo:bar"));
object[] expected =
[
Index, "VSIM", "vfield", "$v", "FILTER", "@foo:bar", "PARAMS", 2, "v", SomeRandomVectorValue
];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Combine_DefaultLinear()
{
HybridSearchQuery query = new();
query.Combine(HybridSearchQuery.Combiner.Linear());
object[] expected = [Index, "COMBINE", "LINEAR", 4, "ALPHA", 0.3, "BETA", 0.7];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Combine_DefaultLinear_Window()
{
HybridSearchQuery query = new();
query.Combine(HybridSearchQuery.Combiner.Linear(window: 20));
object[] expected = [Index, "COMBINE", "LINEAR", 6, "ALPHA", 0.3, "BETA", 0.7, "WINDOW", 20];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Combine_Linear_EqualSplit_WithAlias()
{
HybridSearchQuery query = new();
query.Combine(HybridSearchQuery.Combiner.Linear(0.5, 0.5), "my_combined_alias");
object[] expected =
[Index, "COMBINE", "LINEAR", 4, "ALPHA", 0.5, "BETA", 0.5, "YIELD_SCORE_AS", "my_combined_alias"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Combine_DefaultRrf_WithAlias()
{
HybridSearchQuery query = new();
query.Combine(HybridSearchQuery.Combiner.ReciprocalRankFusion(), "my_combined_alias");
object[] expected = [Index, "COMBINE", "RRF", 2, "WINDOW", 20, "YIELD_SCORE_AS", "my_combined_alias"];
Assert.Equivalent(expected, GetArgs(query));
}
[Theory]
[InlineData(null, null)]
[InlineData(42, null)]
[InlineData(null, 12.1)]
[InlineData(42, 12.1)]
public void Combine_NonDefaultRrf(int? window, double? constant)
{
HybridSearchQuery query = new();
query.Combine(HybridSearchQuery.Combiner.ReciprocalRankFusion(window, constant));
object[] expected = [Index, "COMBINE", "RRF", 2 + (constant is not null ? 2 : 0), "WINDOW", window ?? 20];
if (constant is not null)
{
expected = [.. expected, "CONSTANT", constant];
}
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void LoadField()
{
HybridSearchQuery query = new();
query.ReturnFields("field1");
object[] expected = [Index, "LOAD", 1, "field1"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void LoadFields()
{
HybridSearchQuery query = new();
query.ReturnFields("field1", "field2");
object[] expected = [Index, "LOAD", 2, "field1", "field2"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void LoadEmptyFields()
{
HybridSearchQuery query = new();
query.ReturnFields([]);
object[] expected = [Index];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void GroupBy_SingleField()
{
HybridSearchQuery query = new();
query.GroupBy("field1");
object[] expected = [Index, "GROUPBY", 1, "field1"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void GroupBy_SingleField_WithReducer_NoAlias()
{
HybridSearchQuery query = new();
query.GroupBy("field1")
.Reduce(Reducers.Count().As(null!)); // workaround https://github.com/redis/NRedisStack/issues/453
object[] expected = [Index, "GROUPBY", 1, "field1", "REDUCE", "COUNT", 0];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void GroupBy_SingleField_WithReducer_WithAlias()
{
HybridSearchQuery query = new();
query.GroupBy("field1").Reduce(Reducers.Count().As("qty"));
object[] expected = [Index, "GROUPBY", 1, "field1", "REDUCE", "COUNT", 0, "AS", "qty"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void GroupBy_SingleField_WithReducers_WithAlias()
{
HybridSearchQuery query = new();
query.GroupBy("field1").Reduce(
Reducers.Min("@field2").As("min"),
Reducers.Max("@field2").As("max"),
Reducers.Count().As("qty"));
object[] expected =
[
Index, "GROUPBY", 1, "field1",
"REDUCE", "MIN", 1, "@field2", "AS", "min",
"REDUCE", "MAX", 1, "@field2", "AS", "max",
"REDUCE", "COUNT", 0, "AS", "qty"
];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void GroupBy_MultipleFields()
{
HybridSearchQuery query = new();
query.GroupBy(["field1", "field2"]);
object[] expected = [Index, "GROUPBY", 2, "field1", "field2"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void GroupBy_MultipleFields_WithReducer()
{
HybridSearchQuery query = new();
query.GroupBy(["field1", "field2"]).Reduce(Reducers.Quantile("@field3", 0.5));
object[] expected = [Index, "GROUPBY", 2, "field1", "field2", "REDUCE", "QUANTILE", 2, "@field3", 0.5];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Apply()
{
HybridSearchQuery query = new();
query.Apply(new("@field1 + @field2", "sum"));
object[] expected = [Index, "APPLY", "@field1 + @field2", "AS", "sum"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Apply_Multi()
{
HybridSearchQuery query = new();
query.Apply(new("@field1 + @field2", "sum"), "@field3 + @field4");
object[] expected = [Index, "APPLY", "@field1 + @field2", "AS", "sum", "APPLY", "@field3 + @field4"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_EmptyStrings()
{
HybridSearchQuery query = new();
string[] sortBy = [];
query.SortBy(sortBy);
object[] expected = [Index];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_EmptySortedFields()
{
HybridSearchQuery query = new();
SortedField[] sortBy = [];
query.SortBy(sortBy);
object[] expected = [Index];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void NoSort()
{
HybridSearchQuery query = new();
query.NoSort();
object[] expected = [Index, "NOSORT"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_SingleString()
{
HybridSearchQuery query = new();
query.SortBy("field1");
object[] expected = [Index, "SORTBY", 1, "field1"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_SingleSortedFieldAsc()
{
HybridSearchQuery query = new();
query.SortBy(SortedField.Asc("field1"));
object[] expected = [Index, "SORTBY", 1, "field1"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_SingleSortedFieldDesc()
{
HybridSearchQuery query = new();
query.SortBy(SortedField.Desc("field1"));
object[] expected = [Index, "SORTBY", 2, "field1", "DESC"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_MultiString()
{
HybridSearchQuery query = new();
query.SortBy("field1", "field2");
object[] expected = [Index, "SORTBY", 2, "field1", "field2"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_MultiSortedFieldAsc()
{
HybridSearchQuery query = new();
query.SortBy(SortedField.Asc("field1"), SortedField.Asc("field2"));
object[] expected = [Index, "SORTBY", 2, "field1", "field2"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_MultiSortedFieldDesc()
{
HybridSearchQuery query = new();
query.SortBy(SortedField.Desc("field1"), SortedField.Desc("field2"));
object[] expected = [Index, "SORTBY", 4, "field1", "DESC", "field2", "DESC"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SortBy_MultiSortedFieldMixed()
{
HybridSearchQuery query = new();
query.SortBy(SortedField.Desc("field1"), SortedField.Asc("field2"));
object[] expected = [Index, "SORTBY", 3, "field1", "DESC", "field2"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Filter()
{
HybridSearchQuery query = new();
query.Filter("@field1:bar");
object[] expected = [Index, "FILTER", "@field1:bar"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Limit()
{
HybridSearchQuery query = new();
query.Limit(12, 54);
object[] expected = [Index, "LIMIT", 12, 54];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void ExplainScoreImplicit()
{
HybridSearchQuery query = new();
query.ExplainScore();
object[] expected = [Index, "EXPLAINSCORE"];
Assert.Equivalent(expected, GetArgs(query));
}
[Theory]
[InlineData(false)]
[InlineData(true)]
public void ExplainScoreExplicit(bool enabled)
{
HybridSearchQuery query = new();
query.ExplainScore(enabled);
object[] expected = enabled ? [Index, "EXPLAINSCORE"] : [Index];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void Timeout()
{
HybridSearchQuery query = new();
query.Timeout(TimeSpan.FromSeconds(1));
object[] expected = [Index, "TIMEOUT", 1000];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void SimpleCursor()
{
HybridSearchQuery query = new();
query.WithCursor(10);
object[] expected = [Index, "WITHCURSOR"];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void CusorWithCount()
{
HybridSearchQuery query = new();
query.WithCursor(15);
object[] expected = [Index, "WITHCURSOR", "COUNT", 15];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void CursorWithMaxIdle()
{
HybridSearchQuery query = new();
query.WithCursor(maxIdle: TimeSpan.FromSeconds(10));
object[] expected = [Index, "WITHCURSOR", "MAXIDLE", 10000];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void CursorWithCountAndMaxIdle()
{
HybridSearchQuery query = new();
query.WithCursor(15, maxIdle: TimeSpan.FromSeconds(10));
object[] expected = [Index, "WITHCURSOR", "COUNT", 15, "MAXIDLE", 10000];
Assert.Equivalent(expected, GetArgs(query));
}
[Fact]
public void ParameterizedQuery()
{
HybridSearchQuery query = new();
query.Search("$s").VectorSearch("@field", "$v");
// issue that query, with parameter values from a dictionary
IReadOnlyDictionary<string, object> args = new Dictionary<string, object>
{
{ "s", "abc"},
{ "v", SomeRandomDataHere }
};
object[] expected = [Index, "SEARCH", "$s", "VSIM", "@field", "$v", "PARAMS", 4, "s", "abc", "v", SomeRandomVectorValue];
var idx = Array.IndexOf(expected, "abc");
Assert.True(idx >= 0);
Assert.Equivalent(expected, GetArgs(query, args));
// issue a second query against the same "query" instance, with different parameter values, this time from an object
args = Parameters.From(new { s = "def", v = SomeRandomDataHere });
expected[idx] = "def"; // update our expectations
expected[idx + 2] = SomeRandomVectorValue;
Assert.Equivalent(expected, GetArgs(query, args));
}
[Fact]
public void MakeMeOneWithEverything()
{
HybridSearchQuery query = new();
var args = new Dictionary<string, object>
{
["x"] = 42,
["y"] = "abc"
};
using var vector = VectorData.LeaseWithValues<float>(1, 2, 3);
query.Search(new("foo", Scorer.BM25StdTanh(5), "text_score_alias"))
.VectorSearch(new HybridSearchQuery.VectorSearchConfig("bar", vector,
VectorSearchMethod.NearestNeighbour(10, 100, "vector_distance_alias"))
.WithFilter("@foo:bar").WithScoreAlias("vector_score_alias"))
.Combine(HybridSearchQuery.Combiner.ReciprocalRankFusion(10, 0.5), "my_combined_alias")
.ReturnFields("field1", "field2")
.GroupBy("field1").Reduce(Reducers.Quantile("@field3", 0.5).As("reducer_alias"))
.Apply(new("@field1 + @field2", "apply_alias"))
.SortBy(SortedField.Asc("field1"), SortedField.Desc("field2"))
.Filter("@field1:bar")
.Limit(12, 54)
.ExplainScore()
.Timeout(TimeSpan.FromSeconds(1))
.WithCursor(10, TimeSpan.FromSeconds(10));
object[] expected =
[
Index, "SEARCH", "foo", "SCORER", "BM25STD.TANH", "BM25STD_TANH_FACTOR", 5, "YIELD_SCORE_AS",
"text_score_alias", "VSIM", "bar",
"$v", "KNN", 6, "K", 10, "EF_RUNTIME", 100, "YIELD_DISTANCE_AS", "vector_distance_alias", "FILTER",
"@foo:bar", "YIELD_SCORE_AS", "vector_score_alias", "COMBINE", "RRF", 4, "WINDOW", 10, "CONSTANT", 0.5,
"YIELD_SCORE_AS", "my_combined_alias", "LOAD", 2, "field1", "field2", "GROUPBY", 1, "field1", "REDUCE",
"QUANTILE", 2, "@field3", 0.5, "AS", "reducer_alias", "APPLY", "@field1 + @field2", "AS", "apply_alias",
"SORTBY", 3, "field1", "field2", "DESC", "FILTER", "@field1:bar", "LIMIT", 12, 54,
"PARAMS", 6, "v", "AACAPwAAAEAAAEBA", "x", 42, "y", "abc",
"EXPLAINSCORE", "TIMEOUT", 1000,
"WITHCURSOR", "COUNT", 10, "MAXIDLE", 10000
];
log.WriteLine(query.Command + " " + string.Join(" ", expected));
log.WriteLine("vs");
Assert.Equivalent(expected, GetArgs(query, args));
}
[Fact]
public void Freezing()
{
HybridSearchQuery query = new();
query.Limit(3, 4); // fine
query.Limit(5, 6); // fine
query.GetArgs("abc", null); // indirect freeze
Assert.Throws<InvalidOperationException>(() => query.Limit(7, 8));
query.AllowModification();
query.Limit(9, 10); // fine
query.Limit(11, 12); // fine
}
}