Refactor config parsing to pass tests

lib/config/index.js

@@ -1,20 +1,28 @@
 const logger = require('winston');
 const program = require('commander');
 
-logger.debug('Generating config');
+let config = null;
+
+function parseConfigs() {
+  logger.debug('Parsing configs');
 
   // Get configs
+  /* eslint-disable global-require */
   const defaultConfig = require('./default');
   const fileConfig = require('./file');
   const cliConfig = require('./cli');
   const envConfig = require('./env');
+  /* eslint-enable global-require */
 
   // Get global config
-const config = Object.assign({}, defaultConfig, fileConfig, envConfig, cliConfig);
+  config = Object.assign({}, defaultConfig, fileConfig, envConfig, cliConfig);
 
   // Set log level
   logger.level = config.logLevel;
 
+  // Save default templates
+  config.defaultTemplates = defaultConfig.templates;
+
   // Check for token
   if (typeof config.token === 'undefined') {
     logger.error('A GitHub token must be configured');
@@ -50,11 +58,12 @@ config.repositories.forEach((repo, index) => {
   });
   // Print config
   logger.verbose(`config=${JSON.stringify(config)}`);
+}
 
 function getCascadedConfig(repo, packageFile) {
   const cascadedConfig = Object.assign({}, config, repo, packageFile);
   // Fill in any missing templates with defaults
-  cascadedConfig.templates = Object.assign({}, defaultConfig.templates, cascadedConfig.templates);
+  cascadedConfig.templates = Object.assign({}, config.defaultTemplates, cascadedConfig.templates);
   // Remove unnecessary fields
   delete cascadedConfig.repositories;
   delete cascadedConfig.repository;
@@ -69,4 +78,5 @@ function getGlobalConfig() {
 module.exports = {
   getCascadedConfig,
   getGlobalConfig,
+  parseConfigs,
 };

lib/index.js

@@ -9,6 +9,9 @@ module.exports = {
 };
 
 function start() {
+  // Parse config
+  config.parseConfigs();
+
   // Initialize our promise chain
   let p = Promise.resolve();