feat(api): /devices register + paseto v4 (middleware Bearer, bootstrap mobile du token)

backend/pkg/auth/auth_test.go

@@ -0,0 +1,63 @@
+package auth
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestIssueVerifyRoundtrip(t *testing.T) {
+	m, err := NewManager("test-secret")
+	if err != nil {
+		t.Fatalf("NewManager: %v", err)
+	}
+
+	deviceID := "0123456789abcdef0123456789abcdef"
+	signed, err := m.Issue(deviceID)
+	if err != nil {
+		t.Fatalf("Issue: %v", err)
+	}
+
+	got, err := m.Verify(signed)
+	if err != nil {
+		t.Fatalf("Verify: %v", err)
+	}
+	if got != deviceID {
+		t.Fatalf("Verify: got %q want %q", got, deviceID)
+	}
+}
+
+func TestVerifyRejectsTamperedToken(t *testing.T) {
+	m, err := NewManager("test-secret")
+	if err != nil {
+		t.Fatalf("NewManager: %v", err)
+	}
+
+	signed, _ := m.Issue("0123456789abcdef0123456789abcdef")
+	parts := strings.Split(signed, ".")
+	parts[len(parts)-1] = "nope"
+	tampered := strings.Join(parts, ".")
+
+	if _, err := m.Verify(tampered); err == nil {
+		t.Fatal("expected tampered token to be rejected")
+	}
+}
+
+func TestVerifyRejectsGarbage(t *testing.T) {
+	m, err := NewManager("test-secret")
+	if err != nil {
+		t.Fatalf("NewManager: %v", err)
+	}
+	if _, err := m.Verify("not-a-token"); err == nil {
+		t.Fatal("expected garbage to be rejected")
+	}
+}
+
+func TestDifferentSecretRejectsToken(t *testing.T) {
+	a, _ := NewManager("secret-a")
+	b, _ := NewManager("secret-b")
+
+	signed, _ := a.Issue("0123456789abcdef0123456789abcdef")
+	if _, err := b.Verify(signed); err == nil {
+		t.Fatal("expected token from another manager to be rejected")
+	}
+}