add uuid functions

uuid_test.go

@@ -0,0 +1,29 @@
+package rand_test
+
+import (
+	"testing"
+
+	"github.com/google/uuid"
+
+	"git.sunturtle.xyz/zephyr/rand"
+)
+
+func TestUUIDv4(t *testing.T) {
+	u, err := uuid.Parse(rand.UUIDv4())
+	if err != nil {
+		t.Error(err)
+	}
+	if u.Version() != 4 {
+		t.Errorf("wrong version: want 4, got %d", u.Version())
+	}
+}
+
+func TestUUIDv7(t *testing.T) {
+	u, err := uuid.Parse(rand.UUIDv7())
+	if err != nil {
+		t.Error(err)
+	}
+	if u.Version() != 7 {
+		t.Errorf("wrong version: want 7, got %d", u.Version())
+	}
+}