Add basic Translator tests to Connected.Data.Tests
This commit is contained in:
Matija Koželj
parent
bdbb99e17b
commit
08e5857fc8
@ -41,6 +41,12 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Connected.Validation", "src
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Connected.Expressions", "src\Connected.Expressions\Connected.Expressions.csproj", "{E597528B-95CA-4ACB-A44B-2C0737084581}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Connected.Data.Tests", "src\Connected.Data.Tests\Connected.Data.Tests.csproj", "{C6520F60-774E-41B1-8B17-7EF0B825BF6A}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{D6F579A8-2BDD-4E47-BF39-FB8650E5039E}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Connected.Expressions.Tests", "src\Connected.Expressions.Tests\Connected.Expressions.Tests.csproj", "{9D4ED240-112A-467D-BCD7-2989DD172B83}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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@ -123,10 +129,22 @@ Global
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{E597528B-95CA-4ACB-A44B-2C0737084581}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{E597528B-95CA-4ACB-A44B-2C0737084581}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{E597528B-95CA-4ACB-A44B-2C0737084581}.Release|Any CPU.Build.0 = Release|Any CPU
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{C6520F60-774E-41B1-8B17-7EF0B825BF6A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{C6520F60-774E-41B1-8B17-7EF0B825BF6A}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{C6520F60-774E-41B1-8B17-7EF0B825BF6A}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{C6520F60-774E-41B1-8B17-7EF0B825BF6A}.Release|Any CPU.Build.0 = Release|Any CPU
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{9D4ED240-112A-467D-BCD7-2989DD172B83}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{9D4ED240-112A-467D-BCD7-2989DD172B83}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{9D4ED240-112A-467D-BCD7-2989DD172B83}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{9D4ED240-112A-467D-BCD7-2989DD172B83}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(NestedProjects) = preSolution
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{C6520F60-774E-41B1-8B17-7EF0B825BF6A} = {D6F579A8-2BDD-4E47-BF39-FB8650E5039E}
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{9D4ED240-112A-467D-BCD7-2989DD172B83} = {D6F579A8-2BDD-4E47-BF39-FB8650E5039E}
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {C63B5A75-C99A-45D7-A691-26E568A51740}
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EndGlobalSection
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28
src/Connected.Data.Tests/Connected.Data.Tests.csproj
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28
src/Connected.Data.Tests/Connected.Data.Tests.csproj
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@ -0,0 +1,28 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net7.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
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<PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
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<PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
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<PackageReference Include="coverlet.collector" Version="3.1.2" />
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</ItemGroup>
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<ItemGroup>
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<Folder Include="Storage\" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\Connected.Data\Connected.Data.csproj" />
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<ProjectReference Include="..\Connected.Entities\Connected.Entities.csproj" />
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<ProjectReference Include="..\Connected.Expressions\Connected.Expressions.csproj" />
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</ItemGroup>
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</Project>
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134
src/Connected.Data.Tests/Translation/TranslatorTests.cs
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134
src/Connected.Data.Tests/Translation/TranslatorTests.cs
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@ -0,0 +1,134 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Connected.Expressions;
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using Connected.Data.Sql;
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using Connected.Expressions.Translation;
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using System.Linq.Expressions;
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using Connected.Data.Storage;
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using System.Collections;
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using System.Reflection;
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using Connected.Entities;
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namespace Connected.Data.Tests.Translation;
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[TestClass]
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public class TranslatorTests
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{
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[TestMethod]
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public void Translator_GeneratesBasicSelectExpression_UsingTSQL()
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{
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var context = new ExpressionCompilationContext(new TSqlLanguage());
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var translator = new Translator(context);
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var data = SampleData.All();
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var dataQueryable = data.AsQueryable();
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var query = (from x in dataQueryable select x);
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var operatorMethodInfo = QueryableMethods.SingleOrDefaultWithoutPredicate;
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if (operatorMethodInfo.IsGenericMethod)
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{
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operatorMethodInfo = operatorMethodInfo.GetGenericArguments().Length == 2
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? operatorMethodInfo.MakeGenericMethod(typeof(DummyEntity), typeof(DummyEntity).GetGenericArguments().Single())
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: operatorMethodInfo.MakeGenericMethod(typeof(DummyEntity));
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}
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var expr = Expression.Call(instance: null, method: operatorMethodInfo, arguments: new[] { query.Expression });
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var result = translator.Translate(expr) as ProjectionExpression;
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var select = result.Select;
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Assert.IsInstanceOfType(select, typeof(SelectExpression));
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Assert.IsInstanceOfType(select.From, typeof(TableExpression));
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Assert.IsNull(select.Where, "Where should be null");
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Assert.IsNull(select.Take, "Take should be null");
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Assert.IsNull(select.Skip, "Skip should be null");
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Assert.AreEqual(0, select.GroupBy.Count);
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Assert.IsFalse(select.IsReverse);
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}
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[TestMethod]
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public void Translator_GeneratesSelectExpression_WithWhere_UsingTSQL()
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{
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var context = new ExpressionCompilationContext(new TSqlLanguage());
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var translator = new Translator(context);
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var data = SampleData.All();
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var dataQueryable = data.AsQueryable();
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var query = (from x in dataQueryable where x.Id == 1 select x);
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var operatorMethodInfo = QueryableMethods.SingleOrDefaultWithoutPredicate;
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if (operatorMethodInfo.IsGenericMethod)
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{
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operatorMethodInfo = operatorMethodInfo.GetGenericArguments().Length == 2
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? operatorMethodInfo.MakeGenericMethod(typeof(DummyEntity), typeof(DummyEntity).GetGenericArguments().Single())
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: operatorMethodInfo.MakeGenericMethod(typeof(DummyEntity));
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}
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var expr = Expression.Call(instance: null, method: operatorMethodInfo, arguments: new[] { query.Expression });
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var result = translator.Translate(expr) as ProjectionExpression;
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var select = result.Select;
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Assert.IsInstanceOfType(select, typeof(SelectExpression));
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Assert.IsInstanceOfType(select.From, typeof(TableExpression));
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Assert.IsNotNull(select.Where, "Where should not be null");
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Assert.IsNull(select.Take, "Take should be null");
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Assert.IsNull(select.Skip, "Skip should be null");
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Assert.AreEqual(0, select.GroupBy.Count);
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Assert.IsFalse(select.IsReverse);
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}
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}
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public record DummyEntity : Entity<long>;
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internal static class SampleData
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{
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public static List<DummyEntity> All()
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{
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return new List<DummyEntity>
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{
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new DummyEntity{ Id = 1},
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new DummyEntity{ Id = 2},
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new DummyEntity{ Id = 3},
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new DummyEntity{ Id = 4},
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new DummyEntity{ Id = 5}
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};
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}
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}
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internal static class QueryableMethods
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{
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static QueryableMethods()
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{
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var queryableMethodGroups = typeof(Queryable)
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.GetMethods(BindingFlags.Public | BindingFlags.Static | BindingFlags.DeclaredOnly)
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.GroupBy(mi => mi.Name)
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.ToDictionary(e => e.Key, l => l.ToList());
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SingleWithoutPredicate = GetMethod(nameof(Queryable.Single), 1, types => new[] { typeof(IQueryable<>).MakeGenericType(types[0]) });
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SingleOrDefaultWithoutPredicate = GetMethod(nameof(Queryable.SingleOrDefault), 1, types => new[] { typeof(IQueryable<>).MakeGenericType(types[0]) });
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MethodInfo GetMethod(string name, int genericParameterCount, Func<Type[], Type[]> parameterGenerator)
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{
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return queryableMethodGroups[name].Single(mi => ((genericParameterCount == 0 && !mi.IsGenericMethod)
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|| (mi.IsGenericMethod && mi.GetGenericArguments().Length == genericParameterCount))
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&& mi.GetParameters().Select(e => e.ParameterType).SequenceEqual(parameterGenerator(mi.IsGenericMethod ? mi.GetGenericArguments() : Array.Empty<Type>())));
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}
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}
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public static MethodInfo SingleWithoutPredicate { get; }
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public static MethodInfo SingleOrDefaultWithoutPredicate { get; }
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}
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1
src/Connected.Data.Tests/Usings.cs
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1
src/Connected.Data.Tests/Usings.cs
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@ -0,0 +1 @@
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global using Microsoft.VisualStudio.TestTools.UnitTesting;
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