[ksqlDb.RestApi.Client]: added ServiceCollectionExtensions unit tests

Author: tomasfabian

Tests/ksqlDB.RestApi.Client.Tests/Infrastructure/Extensions/ServiceCollectionExtensionsTests.cs

@@ -0,0 +1,57 @@
+using FluentAssertions;
+using ksqlDb.RestApi.Client.FluentAPI.Builders;
+using ksqlDB.RestApi.Client.KSql.Query.Context;
+using Microsoft.Extensions.DependencyInjection;
+using NUnit.Framework;
+using ksqlDB.RestApi.Client.Infrastructure.Extensions;
+using ksqlDB.RestApi.Client.KSql.RestApi;
+
+namespace ksqlDb.RestApi.Client.Tests.Infrastructure.Extensions
+{
+  public class ServiceCollectionExtensionsTests
+  {
+    private readonly IServiceCollection serviceCollection = new ServiceCollection();
+
+    [Test]
+    public void RegisterKSqlDbContextDependencies()
+    {
+      //Arrange
+      var modelBuilder = new ModelBuilder();
+      serviceCollection.AddSingleton<IMetadataProvider>(modelBuilder);
+
+      var restApiClientOptions = new KSqlDBRestApiClientOptions
+      {
+        ShouldPluralizeFromItemName = false,
+      };
+      serviceCollection.AddSingleton(restApiClientOptions);
+
+      //Act
+      serviceCollection.RegisterKSqlDbContextDependencies(new KSqlDBContextOptions(Helpers.TestParameters.KsqlDbUrl));
+
+      var serviceProvider = serviceCollection.BuildServiceProvider();
+      var metadataProvider = serviceProvider.GetRequiredService<IMetadataProvider>();
+      var clientOptions = serviceProvider.GetRequiredService<KSqlDBRestApiClientOptions>();
+      var rRestApiClient = serviceProvider.GetRequiredService<IKSqlDbRestApiClient>();
+
+      //Assert
+      metadataProvider.Should().BeSameAs(modelBuilder);
+      restApiClientOptions.Should().BeSameAs(clientOptions);
+      rRestApiClient.Should().NotBeNull();
+    }
+
+    [Test]
+    public void ConfigureHttpClients()
+    {
+      //Arrange
+
+      //Act
+      serviceCollection.ConfigureHttpClients(new KSqlDBContextOptions(Helpers.TestParameters.KsqlDbUrl));
+
+      var serviceProvider = serviceCollection.BuildServiceProvider();
+      var httpClientFactory = serviceProvider.GetRequiredService<IHttpClientFactory>();
+
+      //Assert
+      httpClientFactory.Should().NotBeNull();
+    }
+  }
+}