github.com/nspcc-dev/neo-go@v0.105.2-0.20240517133400-6be757af3eba/pkg/neorpc/errors_test.go (about)

     1  package neorpc
     2  
     3  import (
     4  	"errors"
     5  	"fmt"
     6  	"io/fs"
     7  	"testing"
     8  
     9  	"github.com/stretchr/testify/require"
    10  )
    11  
    12  func TestError_ErrorsAs(t *testing.T) {
    13  	err := NewInternalServerError("some error")
    14  	wrapped := fmt.Errorf("some meaningful error: %w", err)
    15  
    16  	// Check that Error can be used as a target for errors.As:
    17  	var actual *Error
    18  	require.True(t, errors.As(wrapped, &actual))
    19  	require.Equal(t, "Internal error (-32603) - some error", actual.Error())
    20  
    21  	var bad *fs.PathError
    22  	require.False(t, errors.As(wrapped, &bad))
    23  }
    24  
    25  func TestError_ErrorsIs(t *testing.T) {
    26  	err := NewInternalServerError("some error")
    27  	wrapped := fmt.Errorf("some meaningful error: %w", err)
    28  
    29  	// Check that Error can be recognized via errors.Is:
    30  	ref := NewInternalServerError("another server error")
    31  	require.True(t, errors.Is(wrapped, ref))
    32  
    33  	// Invalid target type:
    34  	require.False(t, errors.Is(wrapped, NewInvalidParamsError("invalid params")))
    35  }