Initial commit

backend/internal/database/database_test.go

@@ -0,0 +1,84 @@
+package database_test
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"git.k6n.net/mats/fullstack-template/internal/config"
+	"git.k6n.net/mats/fullstack-template/internal/database"
+	"git.k6n.net/mats/fullstack-template/internal/items"
+)
+
+// The whole persistence stack against an in-memory SQLite database:
+// migrations produce a working schema and the real BunRepository
+// round-trips items. This is also the cheapest way to catch dialect drift
+// between the model and the migrations — no Postgres container required.
+func TestSQLiteSchemaRoundTrip(t *testing.T) {
+	ctx := context.Background()
+
+	db, err := database.Open(config.Config{DatabaseURL: "sqlite:file:mem?mode=memory&cache=shared"})
+	if err != nil {
+		t.Fatalf("open: %v", err)
+	}
+	t.Cleanup(func() { _ = db.Close() })
+	// One connection keeps the shared in-memory database stable across
+	// the pool (and mirrors how single-writer sqlite behaves anyway).
+	db.SetMaxOpenConns(1)
+
+	migrator := database.NewMigrator(db)
+	if err := migrator.Init(ctx); err != nil {
+		t.Fatalf("migrator init: %v", err)
+	}
+	if _, err := migrator.Migrate(ctx); err != nil {
+		t.Fatalf("migrate up: %v", err)
+	}
+
+	svc := items.NewService(items.NewBunRepository(db))
+
+	created, err := svc.Create(ctx, items.CreateInput{Title: "first", Description: "from sqlite"})
+	if err != nil {
+		t.Fatalf("create: %v", err)
+	}
+	if created.ID == 0 || created.Status != items.StatusActive {
+		t.Fatalf("create returned %+v", created)
+	}
+
+	got, err := svc.Get(ctx, created.ID)
+	if err != nil {
+		t.Fatalf("get: %v", err)
+	}
+	if got.Title != "first" || got.CreatedAt.IsZero() {
+		t.Fatalf("get returned %+v", got)
+	}
+
+	archived, err := svc.Update(ctx, created.ID, items.UpdateInput{Status: ptr(items.StatusArchived)})
+	if err != nil {
+		t.Fatalf("update: %v", err)
+	}
+	if archived.Status != items.StatusArchived {
+		t.Fatalf("update returned %+v", archived)
+	}
+
+	listed, err := svc.List(ctx, items.Filter{Status: items.StatusArchived})
+	if err != nil {
+		t.Fatalf("list: %v", err)
+	}
+	if len(listed) != 1 {
+		t.Fatalf("list archived len = %d, want 1", len(listed))
+	}
+
+	if err := svc.Delete(ctx, created.ID); err != nil {
+		t.Fatalf("delete: %v", err)
+	}
+	if _, err := svc.Get(ctx, created.ID); !errors.Is(err, items.ErrNotFound) {
+		t.Fatalf("get after delete: got %v, want ErrNotFound", err)
+	}
+
+	// The down migration must undo the up migration cleanly.
+	if _, err := migrator.Rollback(ctx); err != nil {
+		t.Fatalf("rollback: %v", err)
+	}
+}
+
+func ptr[T any](v T) *T { return &v }