var assert = require('assert'); var event = require('../lib/event.js'); describe('event', function () { it('should create filter input object from given', function () { // given var address = '0x012345'; var signature = '0x987654'; // when var impl = event(address, signature); var result = impl(); // then assert.equal(result.address, address); assert.equal(result.topics.length, 1); assert.equal(result.topics[0], signature); }); });