Publish curated Knowledge Hub source from 2ed833f290b439a7bc91e5fd19b042c269e3bee9

tests/backend/ItWorx.KnowledgeHub.IntegrationTests/Platform/PlatformMigrationTests.cs

@@ -0,0 +1,47 @@
+using ItWorx.KnowledgeHub.Domain.Identity;
+using ItWorx.KnowledgeHub.Domain.Sources;
+using ItWorx.KnowledgeHub.Infrastructure.Persistence;
+using ItWorx.KnowledgeHub.IntegrationTests.Infrastructure;
+using ItWorx.KnowledgeHub.IntegrationTests.Operations;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace ItWorx.KnowledgeHub.IntegrationTests.Platform;
+
+[Collection(PostgresTestGroup.Name)]
+public sealed class PlatformMigrationTests(PostgresContainerFixture postgres)
+{
+    [Fact]
+    public async Task Platform_upgrade_preserves_existing_workspace_and_supports_pre_use_schema_rollback()
+    {
+        // Only this disposable, freshly created database is ever downgraded. An
+        // operator rollback after platform use must restore a pre-upgrade backup.
+        await using var target = await RestoreTargetDatabase.CreateAsync(postgres);
+        var options = new DbContextOptionsBuilder<KnowledgeHubDbContext>()
+            .UseNpgsql(target.ConnectionString)
+            .UseSnakeCaseNamingConvention().Options;
+        await using var db = new KnowledgeHubDbContext(options);
+        var migrator = db.GetService<IMigrator>();
+        const string previousSchema = "20260924182209_AddProjectIcons";
+        await migrator.MigrateAsync(previousSchema);
+        var workspace = Workspace.Create(WorkspaceName.Create("Bestaande werkruimte"), DateTimeOffset.UtcNow);
+        db.Workspaces.Add(workspace);
+        await db.SaveChangesAsync();
+
+        await migrator.MigrateAsync();
+        db.ChangeTracker.Clear();
+        Assert.Equal("Bestaande werkruimte", (await db.Workspaces.SingleAsync()).Name);
+        Assert.Empty(await db.Database.GetPendingMigrationsAsync());
+        Assert.Empty(await db.Set<DataSource>().ToListAsync());
+        Assert.Empty(await db.UserPreferences.ToListAsync());
+        Assert.Empty(await db.PlatformSettings.ToListAsync());
+        Assert.Empty(await db.BackgroundJobs.ToListAsync());
+
+        await migrator.MigrateAsync(previousSchema);
+        Assert.Equal(workspace.Id, (await db.Workspaces.AsNoTracking().SingleAsync()).Id);
+        await migrator.MigrateAsync();
+        Assert.Empty(await db.Database.GetPendingMigrationsAsync());
+        Assert.Equal(workspace.Id, (await db.Workspaces.AsNoTracking().SingleAsync()).Id);
+    }
+}