59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
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/* global before,describe,it */
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const {startRPCMockServer, TestProvider} = require('./test');
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const async = require('async');
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const {assert} = require('chai');
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const Blockchain = require('../dist/blockchain');
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describe('Blockchain', () => {
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describe('#connect', () => {
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before(() => {
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Blockchain.default.registerProvider('web3', TestProvider);
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Blockchain.default.setProvider('web3', {});
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});
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const scenarios = [
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{
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description: 'should not keep trying other connections if connected',
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servers: [true, true],
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visited: [true, false],
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error: false
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},
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{
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description: 'should keep trying other connections if not connected',
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servers: [false, true],
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visited: [true, true],
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error: false
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},
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{
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description: 'should return error if no connections succeed',
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servers: [false, false],
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visited: [true, true],
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error: true
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}
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];
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scenarios.forEach(scenario => {
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it(scenario.description, done => {
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async.parallel(
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scenario.servers.map(validServer =>
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(cb) => startRPCMockServer({successful: validServer}, cb)
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),
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(_err, servers) => {
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const connStrings = servers.map(server => server.connectionString);
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Blockchain.default.connect(connStrings, {}, err => {
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if(scenario.error) assert(err);
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servers.forEach((server, idx) => {
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assert.strictEqual(server.visited, scenario.visited[idx]);
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});
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done();
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});
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}
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);
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});
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});
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});
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});
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