var chai = require('chai'); var assert = chai.assert; var web3 = require('../index'); var FakeHttpProvider = require('./helpers/FakeHttpProvider'); var utils = require('../lib/utils/utils'); var tests = [{ protocol: 'eth', args: ['latest'], firstResult: 1, firstPayload: { method: "eth_newBlockFilter", params: [] }, secondResult: ['0x1234'], secondPayload: { method: "eth_getFilterChanges" } }, { protocol: 'eth', args: ['pending'], firstResult: 1, firstPayload: { method: "eth_newPendingTransactionFilter", params: [] }, secondResult: ['0x1234'], secondPayload: { method: "eth_getFilterChanges" } }]; var testPolling = function (tests) { describe('web3.eth.filter.polling', function () { tests.forEach(function (test, index) { it('should create && successfully poll filter', function (done) { // given var provider = new FakeHttpProvider(); web3.setProvider(provider); web3.reset(); provider.injectResult(test.firstResult); var step = 0; provider.injectValidation(function (payload) { if (step === 0) { step = 1; assert.equal(payload.jsonrpc, '2.0'); assert.equal(payload.method, test.firstPayload.method); assert.deepEqual(payload.params, test.firstPayload.params); } else if (step === 1 && utils.isArray(payload)) { var r = payload.filter(function (p) { return p.jsonrpc === '2.0' && p.method === test.secondPayload.method && p.params[0] === test.firstResult; }); assert.equal(r.length > 0, true); } }); // when var filter = web3[test.protocol].filter.apply(null, test.args); provider.injectBatchResults([test.secondResult]); filter.watch(function (err, result) { if (test.err) { // todo } else { assert.equal(result, test.secondResult[0]); } done(); }); }); }); }); }; testPolling(tests);