upd store

tests/snapshot_test.go

@@ -0,0 +1,103 @@
+package tests
+
+import (
+	"testing"
+
+	"git.gm6.ru/icewind/seadoc/models"
+	"git.gm6.ru/icewind/seadoc/service"
+	"git.gm6.ru/icewind/seadoc/store"
+	"github.com/google/uuid"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+)
+
+func TestSnapshotInterval(t *testing.T) {
+	// --- Setup in-memory DB ---
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatalf("failed to open sqlite: %v", err)
+	}
+
+	if err := db.AutoMigrate(&models.Document{}, &models.Version{}); err != nil {
+		t.Fatalf("failed to migrate: %v", err)
+	}
+
+	storage := store.NewGormStorage(db)
+
+	// --- Service with snapshot interval = 3 ---
+	svc := service.NewVersionService(storage, 3)
+
+	//doc := models.Document{ID: uuid.New()}
+	var doc *models.Document
+	if doc, err = svc.CreateDocument("test"); err != nil {
+		t.Fatalf("failed to create document: %v", err)
+	}
+
+	// v1 — snapshot
+	_, err = svc.SaveNewVersion(doc.ID, []byte(`{"count": 1}`))
+	if err != nil {
+		t.Fatalf("v1 failed: %v", err)
+	}
+
+	// v2, v3, v4 — patch-версии
+	_, _ = svc.SaveNewVersion(doc.ID, []byte(`{"count": 2}`))
+	_, _ = svc.SaveNewVersion(doc.ID, []byte(`{"count": 3}`))
+	_, _ = svc.SaveNewVersion(doc.ID, []byte(`{"count": 4}`))
+
+	// теперь должен создаться **автоматический snapshot**
+	latest, err := storage.GetLatestVersion(doc.ID)
+	if err != nil {
+		t.Fatalf("failed to get latest version: %v", err)
+	}
+
+	if !latest.IsSnapshot {
+		t.Fatalf("expected latest version to be snapshot, got patch")
+	}
+
+	// восстановим документ — должен быть {"count":4}
+	full, err := svc.ReconstructVersion(latest.ID)
+	if err != nil {
+		t.Fatalf("failed to reconstruct version: %v", err)
+	}
+
+	if string(full) != `{"count": 4}` {
+		t.Fatalf("snapshot contains wrong data: %s", full)
+	}
+}
+
+func TestDiffVersions_Multiple(t *testing.T) {
+	_, service, _ := newTestService(t)
+
+	doc, err := service.CreateDocument("multi-diff.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	versions := [][]byte{
+		[]byte(`{"name":"Alice","age":30}`),
+		[]byte(`{"name":"Alice","age":31}`),
+		[]byte(`{"name":"Alice","age":31,"city":"Paris"}`),
+		[]byte(`{"name":"Alice","age":31,"city":"Paris","active":true}`),
+	}
+
+	stored := make([]uuid.UUID, 0, len(versions))
+
+	for _, v := range versions {
+		ver, err := service.SaveNewVersion(doc.ID, v)
+		if err != nil {
+			t.Fatal(err)
+		}
+		stored = append(stored, ver.ID)
+	}
+
+	// сравним самую первую и последнюю версии
+	diff, err := service.DiffVersions(stored[0], stored[len(stored)-1])
+	if err != nil {
+		t.Fatalf("diff error: %v", err)
+	}
+
+	expected := `{"age":31,"city":"Paris","active":true}`
+	if !jsonEqual(diff, []byte(expected)) {
+		t.Errorf("unexpected diff:\n got: %s\nwant: %s", diff, expected)
+	}
+}