Add happy-path tests

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

@@ -0,0 +1,73 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.EntityFrameworkCore;
+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.PostgreSQL.Extensions;
+using TUnit.Core.Interfaces;
+
+namespace RAIC.Extensions.Configuration.EntityFrameworkCore.PostgreSQL.Tests;
+
+
+[Table("settings")]
+public record Setting : ISetting
+{
+    [Key]
+    [Column("key")]
+    public required string Key { get; set; }
+
+    [Required]
+    [Column("value")]
+    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 record 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" }, { "ChannelName", "setting_channel" } })
+            .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.UseNpgsql(builder.Configuration.GetConnectionString("Default")));
+
+        builder.Services
+            .AddDbContext<FixtureDbContext>(opt => opt.UseNpgsql(builder.Configuration.GetConnectionString("Default")))
+            .AddPostgreSQLNotificationConfigurationReloadService<FixtureDbContext>(opts => opts.Bind(builder.Configuration))
+            .AddOptions<FixtureOptions>().Bind(builder.Configuration);
+
+        builder.Logging.AddDebug();
+
+        _host = builder.Build();
+
+        await _host.StartAsync();
+
+        _ = _host.WaitForShutdownAsync();
+    }
+}