replace Redis with an embedded SQLite string->string KV store (group commit, in-tx events, SQL search)

internal/schema/indexer_test.go

@@ -0,0 +1,56 @@
+package schema
+
+import (
+	"context"
+	"path/filepath"
+	"testing"
+
+	"github.com/metazla/meta-core/internal/kv"
+)
+
+func TestRebuildDerivesTypesFromTheStore(t *testing.T) {
+	store, err := kv.Open(filepath.Join(t.TempDir(), "kv.db"), kv.Options{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer store.Close()
+	if err := store.Update(context.Background(), func(tx *kv.Tx) error {
+		for k, v := range map[string]string{
+			"file:A/sizeByte":   "100",
+			"file:B/sizeByte":   "200",
+			"file:A/title/eng":  "One",
+			"file:B/title/fre":  "Deux",
+			"file:A/mixed":      "1",
+			"file:B/mixed":      "x",
+			"cid:bafknotrecord": "A",
+		} {
+			if err := tx.Put(k, v); err != nil {
+				return err
+			}
+		}
+		return nil
+	}); err != nil {
+		t.Fatal(err)
+	}
+
+	ix := NewIndexer(store)
+	if got := ix.Snapshot(); got.Source != "pending" || len(got.Fields) != 0 {
+		t.Fatalf("before a scan: %+v", got)
+	}
+	snap, err := ix.Rebuild(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if f := snap.Fields["sizeByte"]; f == nil || f.Type != PrimInt || f.Breakdown["int"] != 2 {
+		t.Fatalf("sizeByte = %+v", f)
+	}
+	if f := snap.Fields["title"]; f == nil || f.KeyHint != KeyHintLanguageCode {
+		t.Fatalf("title = %+v (want language-keyed)", f)
+	}
+	if f := snap.Fields["mixed"]; f == nil || f.Type != PrimMixed {
+		t.Fatalf("mixed = %+v", f)
+	}
+	if len(snap.Fields) != 3 {
+		t.Fatalf("fields = %v (non-record keys must not count)", snap.Fields)
+	}
+}