Output

Chutney ships with a few formatters, the default being the Rainbow Formatter (it has coloured terminal output). Others included are the Pie Formatter which presents a textual pie chart of all the violations, and a JSON Formatter which, as is sounds, dumps the result as a JSON string.

You can specify one or formatters with the -f flag. For instance…

chutney -f RainbowFormatter -f PieFormatter -f JSONFormatter

Building Your Own Formatters

Chutney expects formatters to be namespaced to the Chutney module and respond to results=(results_hash) and format. There is a parent class Chutney::Formatter which provides a few utility methods you might find useful.

Take a look a the JSONFormatter as the most minimal implementation – it just calls to_json on the hash it is given.

Exit Codes

Using the command line, Chutney returns 0 if no violations are found, 1 if one or more are found.