Question - No error when filter is unknown

[danielmartinezruiz]

This problem was raised when writing a template and I misspell a filter. This could be an example:

{{ "abc" | uper }}

This is the code I'm executing:

std::string source = R"({{ "abc" | uper }})";
jinja2::Template tpl;
tpl.Load(source);
std::string result = tpl.RenderAsString(ValuesMap{}).value();

I expected to receive an error in the expected return value, but I received a value with an empty string "". In an online Jinja2 parser (I guess it is not using this library) I get this result:

Error:·template·rendering·failed.
no·filter·named·'uper'

So, is that empty string the expected behavior? Am I doing anything wrong?

[rmorozov]

@danielmartinezruiz , @luismartingil, I've merged your PR. Seems good for now?

[danielmartinezruiz]

@danielmartinezruiz , @luismartingil, I've merged your PR. Seems good for now?

Thanks, @rmorozov!
Are you planning to release a new version?