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kratos/errors/errors_test.go

133 lines
3.3 KiB

package errors
import (
"errors"
"fmt"
"net/http"
"reflect"
"testing"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"google.golang.org/grpc/test/grpc_testing"
)
type TestError struct{ message string }
func (e *TestError) Error() string { return e.message }
func TestErrors(t *testing.T) {
var base *Error
err := Newf(http.StatusBadRequest, "reason", "message")
err2 := Newf(http.StatusBadRequest, "reason", "message")
err3 := err.WithMetadata(map[string]string{
"foo": "bar",
})
werr := fmt.Errorf("wrap %w", err)
if errors.Is(err, new(Error)) {
t.Errorf("should not be equal: %v", err)
}
if !errors.Is(werr, err) {
t.Errorf("should be equal: %v", err)
}
if !errors.Is(werr, err2) {
t.Errorf("should be equal: %v", err)
}
if !errors.As(err, &base) {
t.Errorf("should be matches: %v", err)
}
if !IsBadRequest(err) {
t.Errorf("should be matches: %v", err)
}
if reason := Reason(err); reason != err3.Reason {
t.Errorf("got %s want: %s", reason, err)
}
if err3.Metadata["foo"] != "bar" {
t.Error("not expected metadata")
}
gs := err.GRPCStatus()
se := FromError(gs.Err())
if se.Reason != "reason" {
t.Errorf("got %+v want %+v", se, err)
}
gs2, _ := status.New(codes.InvalidArgument, "bad request").WithDetails(&grpc_testing.Empty{})
se2 := FromError(gs2.Err())
// codes.InvalidArgument should convert to http.StatusBadRequest
if se2.Code != http.StatusBadRequest {
t.Errorf("convert code err, got %d want %d", UnknownCode, http.StatusBadRequest)
}
if FromError(nil) != nil {
t.Errorf("FromError(nil) should be nil")
}
e := FromError(errors.New("test"))
if !reflect.DeepEqual(e.Code, int32(UnknownCode)) {
t.Errorf("no expect value: %v, but got: %v", e.Code, int32(UnknownCode))
}
}
func TestIs(t *testing.T) {
tests := []struct {
name string
e *Error
err error
want bool
}{
{
name: "true",
e: New(404, "test", ""),
err: New(http.StatusNotFound, "test", ""),
want: true,
},
{
name: "false",
e: New(0, "test", ""),
err: errors.New("test"),
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if ok := tt.e.Is(tt.err); ok != tt.want {
t.Errorf("Error.Error() = %v, want %v", ok, tt.want)
}
})
}
}
func TestCause(t *testing.T) {
testError := &TestError{message: "test"}
err := BadRequest("foo", "bar").WithCause(testError)
if !errors.Is(err, testError) {
t.Fatalf("want %v but got %v", testError, err)
}
if te := new(TestError); errors.As(err, &te) {
if te.message != testError.message {
t.Fatalf("want %s but got %s", testError.message, te.message)
}
}
}
func TestOther(t *testing.T) {
if !reflect.DeepEqual(Code(nil), 200) {
t.Errorf("Code(nil) = %v, want %v", Code(nil), 200)
}
if !reflect.DeepEqual(Code(errors.New("test")), UnknownCode) {
t.Errorf(`Code(errors.New("test")) = %v, want %v`, Code(nil), 200)
}
if !reflect.DeepEqual(Reason(errors.New("test")), UnknownReason) {
t.Errorf(`Reason(errors.New("test")) = %v, want %v`, Reason(nil), UnknownReason)
}
err := Errorf(10001, "test code 10001", "message")
if !reflect.DeepEqual(Code(err), 10001) {
t.Errorf(`Code(err) = %v, want %v`, Code(err), 10001)
}
if !reflect.DeepEqual(Reason(err), "test code 10001") {
t.Errorf(`Reason(err) = %v, want %v`, Reason(err), "test code 10001")
}
}