}

// toAPIErrorCode - Converts embedded errors. Convenience
// function written to handle all cases where we have known types of
// errors returned by underlying layers.
func toAPIErrorCode(ctx context.Context, err error) (apiErr APIErrorCode) {
	if err == nil {
		return ErrNone
	}

	// Errors that are generated by net.Conn and any context errors must be handled here.

	if t.createOnUpdate {
		if err != nil {
			t.Errorf("creation allowed on updated, but got an error: %v", err)
		}
		if !created {
			t.Errorf("creation allowed on update, but object not created")
		}
	} else {
		if err == nil {
			t.Errorf("Expected an error, but we didn't get one")
		} else if !errors.IsNotFound(err) {
			t.Errorf("Expected NotFound error, got '%v'", err)
		}
	}
}

		t.Errorf("Failed to batch find, got error %v, rows affected: %v", result.Error, result.RowsAffected)
	}

	var sub3 []User
	if result := DB.Limit(4).Where("name = ?", users[0].Name).FindInBatches(&sub3, 2, func(tx *gorm.DB, batch int) error {
		return nil
	}); result.Error != nil || result.RowsAffected != 4 {
		t.Errorf("Failed to batch find, got error %v, rows affected: %v", result.Error, result.RowsAffected)
	}
}

	if cloud == nil {
		return types.NodeName(hostname), nil
	}

	instances, ok := cloud.Instances()
	if !ok {
		return "", fmt.Errorf("failed to get instances from cloud provider")
	}

	nodeName, err := instances.CurrentNodeName(context.TODO(), hostname)
	if err != nil {
		return "", fmt.Errorf("error fetching current node name from cloud provider: %w", err)

		if err == nil {
			t.Fatal("expected error from ReadAll")
		}
		ne, ok := err.(net.Error)
		if !ok {
			t.Errorf("error value from ReadAll was %T; expected some net.Error", err)
		} else if !ne.Timeout() {
			t.Errorf("net.Error.Timeout = false; want true")
		}
		if !errors.Is(err, context.DeadlineExceeded) {
			t.Errorf("ReadAll error = %q; expected some context.DeadlineExceeded", err)
		}

				_, err = result.Infos()
			}

			if len(tc.expectedError) == 0 {
				if err != nil {
					t.Errorf("unexpected error: %v", err)
				}
			} else {
				if err == nil {
					t.Errorf("expected error, got none")
				} else if !strings.Contains(err.Error(), tc.expectedError) {
					t.Errorf("expected error with '%s', got: %v", tc.expectedError, err)
				}
			}

		})
	}
}

	err := client.Handshake()
	if err != nil {
		if err, ok := err.(net.Error); ok && err.Timeout() {
			t.Errorf("Expected a closed network connection error but got '%s'", err.Error())
		}
	} else {
		t.Errorf("Error expected, but no error returned")
	}
}

func testDowngradeCanary(t *testing.T, clientVersion, serverVersion uint16) error {
	defer func() { testingOnlyForceDowngradeCanary = false }()

			if err != nil {
				// We look at error strings as the
				// expected errors are OS-specific.
				switch {
				case errors.Is(err, ErrClosed),
					strings.Contains(err.Error(), "broken pipe"),
					strings.Contains(err.Error(), "pipe is being closed"),
					strings.Contains(err.Error(), "hungup channel"):
					// Ignore an expected error.
				default:
					// Unexpected error.
					t.Error(err)
				}

				if err.Error() != expectedErr.Error() {
					t.Fatalf("unexpected error: %s", err)
				}
				if !reflect.DeepEqual(records, expected) {
					t.Error("Unexpected record set")
				}
				_, records, err = LookupSRV("target", "tcp", "golang.org")
				if err.Error() != expectedErr.Error() {
					t.Errorf("unexpected error: %s", err)
				}

		if err == nil || err.Error() != apierrors.NewServiceUnavailable(context.Canceled.Error()).Error() {
			t.Errorf("Unexpected error: %#v", err)
		}
	} else {
		if err == nil || err.Error() != apierrors.NewTooManyRequests("storage is (re)initializing", 1).Error() {
			t.Errorf("Unexpected error: %#v", err)
		}
	}
}

func TestWatcherNotGoingBackInTime(t *testing.T) {