Add happy-path tests

RAIC.Extensions.Configuration.EntityFrameworkCore.SqlServer.Tests/HostFixture.cs

@@ -0,0 +1,75 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using RAIC.Extensions.Configuration.EntityFrameworkCore.Extensions;
+using RAIC.Extensions.Configuration.EntityFrameworkCore.SqlServer.Extensions;
+using TUnit.Core.Interfaces;
+
+namespace RAIC.Extensions.Configuration.EntityFrameworkCore.SqlServer.Tests;
+
+
+[Table("Settings", Schema = "dbo")]
+public record Setting : ISetting
+{
+    [Key]
+    public required string Key { get; set; }
+
+    [Required]
+    public required string Value { get; set; }
+}
+
+public class FixtureDbContext(DbContextOptions<FixtureDbContext> options) : DbContext(options), ISettingsDbContext<DbSet<Setting>>, ISettingsDbContextFactory<FixtureDbContext>
+{
+    public DbSet<Setting> Settings { get; set; }
+
+    public static FixtureDbContext Create(DbContextOptions<FixtureDbContext> options) => new(options);
+}
+
+public class FixtureOptions
+{
+    public required string SomeOption { get; set; }
+}
+
+
+public class HostFixture: IAsyncInitializer, IServiceScopeFactory
+{
+
+    private IHost? _host;
+
+    public IServiceScope CreateScope() => _host!.Services.CreateScope();
+
+    public async Task InitializeAsync()
+    {
+        var builder = Host.CreateApplicationBuilder();
+
+        // build a initial configuration
+        builder.Configuration
+            .AddInMemoryCollection(new Dictionary<string, string?>() 
+            { 
+                { nameof(FixtureOptions.SomeOption), "Memory value" },
+            })
+            .AddUserSecrets<SingleSettingTests>() // for connection string
+            .AddEnvironmentVariables(prefix: "ASPNETCORE_");
+
+        // add DbContext based configuration using connection string sourced from initial config
+        builder.Configuration.AddDbContext<FixtureDbContext>(dbContextOptions => dbContextOptions.UseSqlServer(builder.Configuration.GetConnectionString("Default")));
+
+        builder.Services
+            .AddDbContext<FixtureDbContext>(opt => opt.UseSqlServer(builder.Configuration.GetConnectionString("Default")))
+            .AddSqlServerNotificationConfigurationReloadService<FixtureDbContext, Setting>()
+            .AddOptions<FixtureOptions>().Bind(builder.Configuration);
+
+        builder.Logging.AddDebug();
+
+        _host = builder.Build();
+
+        await _host.StartAsync();
+
+        _ = _host.WaitForShutdownAsync();
+    }
+}