[WIP] Test cases

.travis.yml

@@ -7,4 +7,6 @@ cache:
   directories:
     - $HOME/.npm
 script:
-- npm run lint
+  - npm link
+  - npm run test
+  - npm run lint

__tests__/lists.test.js

@@ -0,0 +1,19 @@
+/* eslint-env jest */
+
+const fs = require('fs');
+const syncExec = require('sync-exec');
+const commandExistsSync = require('command-exists').sync;
+
+const COMMAND = 'football';
+
+beforeEach(() => {
+  if (!commandExistsSync(COMMAND)) {
+    throw new Error(`Command "${COMMAND}" command not found`);
+  }
+});
+
+describe('football lists', () => {
+  it('should show lists', () => {
+    syncExec('football lists');
+  });
+});

cmds/lists.js

@@ -6,11 +6,15 @@ const Table = require('cli-table3');
 const chalk = require('chalk');
 const leagueIds = require('../leagueIds');
 const helpers = require('./utils/helpers');
+const logging = require('./utils/logging');
 const URLS = require('../constants');
 
 const { updateMessage } = helpers;
+const { getLogger } = logging;
 const { LEAGUE_IDS_URL } = URLS;
 
+const log = getLogger();
+
 exports.command = 'lists';
 exports.desc = 'List of codes of various competitions';
 
@@ -69,6 +73,6 @@ exports.handler = function handler(yargs) {
     }
 
     spinner.stop();
-    console.log(table.toString());
+    log(table.toString());
   }
 };

cmds/utils/logging.js

@@ -0,0 +1,13 @@
+const fs = require('fs');
+
+const getLogger = () => {
+  if (process.env.NODE_ENV === 'test') {
+    const logs = fs.createWriteStream('/var/log/football-tests.log', { flags: 'w' });
+    return log => logs.write(`${log}\n`);
+  }
+  return console.log;
+};
+
+module.exports = {
+  getLogger
+};