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feat(snapshot-tests): source generator tests (#249)
Signed-off-by: Alan Brault <alan.brault@visus.io>
1 parent e5e20a6 commit 94d8b71

11 files changed

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‎Directory.Packages.props‎

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<PackageVersion Include="TUnit" Version="1.45.29" />
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<PackageVersion Include="Verify" Version="31.16.3" />
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<PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
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<PackageVersion Include="Verify.SourceGenerators" Version="2.5.0" />
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<PackageVersion Include="Verify.TUnit" Version="31.16.3" />
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<PackageVersion Include="WireMock.Net" Version="2.6.0" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="JetBrains.Annotations" />
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<PackageReference Include="Meziantou.Analyzer">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>analyzers</IncludeAssets>
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<PackageReference Include="Verify.DiffPlex" />
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<PackageReference Include="Verify.TUnit" />
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</ItemGroup>
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</Project>
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</Project>

‎tests/Visus.AddressValidation.Integration.FedEx.Tests/ModuleInitializer.cs‎

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namespace Visus.AddressValidation.Integration.FedEx.Tests;
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using System.Runtime.CompilerServices;
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using JetBrains.Annotations;
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using VerifyTests.DiffPlex;
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[UsedImplicitly]
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internal static class ModuleInitializer
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{
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[ModuleInitializer]
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public static void Initialize()
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{
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VerifyDiffPlex.Initialize(OutputType.Compact);
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}
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}

‎tests/Visus.AddressValidation.Integration.Google.Tests/ModuleInitializer.cs‎

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namespace Visus.AddressValidation.Integration.Google.Tests;
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using System.Runtime.CompilerServices;
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using JetBrains.Annotations;
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using VerifyTests.DiffPlex;
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[UsedImplicitly]
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internal static class ModuleInitializer
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{
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[ModuleInitializer]
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public static void Initialize()
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{
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VerifyDiffPlex.Initialize(OutputType.Compact);
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}
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}

‎tests/Visus.AddressValidation.Integration.PitneyBowes.Tests/ModuleInitializer.cs‎

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namespace Visus.AddressValidation.Integration.PitneyBowes.Tests;
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using System.Runtime.CompilerServices;
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using JetBrains.Annotations;
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using VerifyTests.DiffPlex;
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[UsedImplicitly]
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internal static class ModuleInitializer
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{
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[ModuleInitializer]
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public static void Initialize()
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{
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VerifyDiffPlex.Initialize(OutputType.Compact);
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}
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}

‎tests/Visus.AddressValidation.Integration.Ups.Tests/ModuleInitializer.cs‎

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namespace Visus.AddressValidation.Integration.Ups.Tests;
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using System.Runtime.CompilerServices;
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using JetBrains.Annotations;
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using VerifyTests.DiffPlex;
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[UsedImplicitly]
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internal static class ModuleInitializer
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{
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[ModuleInitializer]
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public static void Initialize()
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{
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VerifyDiffPlex.Initialize(OutputType.Compact);
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}
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}

‎tests/Visus.AddressValidation.SourceGeneration.Tests/CustomResponseDataGeneratorTests.Should_Generate_GetCustomResponseData_For_Nested_Class#Visus_AddressValidation_SourceGeneration_Tests_Response_ApiData_GetCustomResponseData.g.verified.cs‎

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//HintName: Visus_AddressValidation_SourceGeneration_Tests_Response_ApiData_GetCustomResponseData.g.cs
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// <auto-generated/>
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#nullable enable annotations
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#nullable disable warnings
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using System.Collections.Generic;
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namespace Visus.AddressValidation.SourceGeneration.Tests
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{
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internal partial class Response
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{
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private partial class ApiData
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{
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public IReadOnlyDictionary<string, object?> GetCustomResponseData()
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{
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return new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
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{
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["responseId"] = ResponseId,
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["response"] = ResponseText
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};
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}
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}
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}
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}

‎tests/Visus.AddressValidation.SourceGeneration.Tests/CustomResponseDataGeneratorTests.Should_Generate_GetCustomResponseData_For_Root_Class#Visus_AddressValidation_SourceGeneration_Tests_ApiResponse_GetCustomResponseData.g.verified.cs‎

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//HintName: Visus_AddressValidation_SourceGeneration_Tests_ApiResponse_GetCustomResponseData.g.cs
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// <auto-generated/>
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#nullable enable annotations
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#nullable disable warnings
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using System.Collections.Generic;
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namespace Visus.AddressValidation.SourceGeneration.Tests
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{
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internal partial class ApiResponse
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{
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public IReadOnlyDictionary<string, object?> GetCustomResponseData()
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{
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return new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
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{
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["responseId"] = ResponseId,
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["response"] = ResponseText
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};
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}
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}
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}

‎tests/Visus.AddressValidation.SourceGeneration.Tests/CustomResponseDataGeneratorTests.cs‎

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extern alias sourcegen;
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namespace Visus.AddressValidation.SourceGeneration.Tests;
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using CustomResponseDataGenerator = sourcegen::Visus.AddressValidation.SourceGeneration.CustomResponseDataGenerator;
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internal sealed class CustomResponseDataGeneratorTests : SourceGeneratorTestBase
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{
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protected override IEnumerable<Type> RequiredAssemblies =>
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[
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typeof(CustomResponseDataGenerator),
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typeof(CustomResponseDataPropertyAttribute),
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];
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[Test]
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public Task Should_Generate_GetCustomResponseData_For_Nested_Class()
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{
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const string source = """
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using Visus.AddressValidation;
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namespace Visus.AddressValidation.SourceGeneration.Tests;
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partial class Response
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{
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public string FirstName { get; set; }
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public string LastName { get; set; }
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partial class ApiData
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{
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[CustomResponseDataProperty]
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public string ResponseId { get; set; }
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[CustomResponseDataProperty("response")]
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public string ResponseText { get; set; }
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}
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}
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""";
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return VerifyGenerateSourcesAsync(source, new CustomResponseDataGenerator());
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}
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[Test]
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public Task Should_Generate_GetCustomResponseData_For_Root_Class()
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{
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const string source = """
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using Visus.AddressValidation;
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namespace Visus.AddressValidation.SourceGeneration.Tests;
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partial class ApiResponse
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{
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[CustomResponseDataProperty]
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public string ResponseId { get; set; }
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[CustomResponseDataProperty("response")]
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public string ResponseText { get; set; }
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}
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""";
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return VerifyGenerateSourcesAsync(source, new CustomResponseDataGenerator());
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}
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}

‎tests/Visus.AddressValidation.SourceGeneration.Tests/ModuleInitializer.cs‎

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namespace Visus.AddressValidation.SourceGeneration.Tests;
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using System.Runtime.CompilerServices;
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using JetBrains.Annotations;
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using VerifyTests.DiffPlex;
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[UsedImplicitly]
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internal static class ModuleInitializer
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{
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[ModuleInitializer]
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public static void Initialize()
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{
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VerifySourceGenerators.Initialize();
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VerifyDiffPlex.Initialize(OutputType.Compact);
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}
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}

‎tests/Visus.AddressValidation.SourceGeneration.Tests/SourceGeneratorTestBase.cs‎

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namespace Visus.AddressValidation.SourceGeneration.Tests;
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using System.Reflection;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.CSharp;
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internal abstract class SourceGeneratorTestBase
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{
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protected abstract IEnumerable<Type> RequiredAssemblies { get; }
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private IEnumerable<MetadataReference> AssemblyReferencesForCodeGen =>
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AppDomain.CurrentDomain
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.GetAssemblies()
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.Concat(new[]
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{
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typeof(Binder),
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}.Concat(RequiredAssemblies).Select(s => s.Assembly))
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.Distinct()
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.Where(w => !w.IsDynamic)
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.Select(s => MetadataReference.CreateFromFile(s.Location));
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protected Task VerifyGenerateSourcesAsync(string source, params IIncrementalGenerator[] generators)
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{
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SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText(source, CSharpParseOptions.Default);
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CSharpCompilation compilation = CSharpCompilation.Create(
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"compilation",
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[syntaxTree,],
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AssemblyReferencesForCodeGen,
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new CSharpCompilationOptions(OutputKind.ConsoleApplication));
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CSharpGeneratorDriver driver = CSharpGeneratorDriver.Create(generators);
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GeneratorDriver runner = driver.RunGenerators(compilation);
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SettingsTask verify = Verify(runner);
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return verify;
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}
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}

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