hive-js-dev/test/test_helper.js

Steem.js the JavaScript API for Steem blockchain

var assert = require('assert');

module.exports = {
            
    error(message_substring, f){
        var fail = false;
        try {
            f();
            fail = true;
        } catch (e) {
            if (e.toString().indexOf(message_substring) === -1) {
                throw new Error("expecting " + message_substring);
            }
        }
        if (fail) {
            throw new Error("expecting " + message_substring);
        }
    }
}