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added some informations when hitting ErrInvalidType #211

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2 changes: 1 addition & 1 deletion request.go
Original file line number Diff line number Diff line change
Expand Up @@ -430,7 +430,7 @@ func unmarshalAttribute(

// As a final catch-all, ensure types line up to avoid a runtime panic.
if fieldValue.Kind() != value.Kind() {
err = ErrInvalidType
err = fmt.Errorf("%w: %s is of type %s, cannot set %s", ErrInvalidType, structField.Name, fieldValue.Type().String(), value.Type().String())
return
}

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5 changes: 2 additions & 3 deletions request_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -281,14 +281,13 @@ func TestUnmarshalInvalidJSON_BadType(t *testing.T) {
out := new(ModelBadTypes)
in := map[string]interface{}{}
in[test.Field] = test.BadValue
expectedErrorMessage := test.Error.Error()

err := UnmarshalPayload(samplePayloadWithBadTypes(in), out)

if err == nil {
t.Fatalf("Expected error due to invalid type.")
}
if err.Error() != expectedErrorMessage {
if !errors.Is(err, test.Error) {
t.Fatalf("Unexpected error message: %s", err.Error())
}
})
Expand Down Expand Up @@ -959,7 +958,7 @@ func TestUnmarshalCustomTypeAttributes_ErrInvalidType(t *testing.T) {
t.Fatal("Expected an error unmarshalling the payload due to type mismatch, got none")
}

if err != ErrInvalidType {
if !errors.Is(err, ErrInvalidType) {
t.Fatalf("Expected error to be %v, was %v", ErrInvalidType, err)
}
}
Expand Down