added option to select config file

Author: HerrLapsus

bin/codecept.js

@@ -58,6 +58,7 @@ program.command('run [suite] [test]')
   .option('--debug', 'output additional information')
   .option('--verbose', 'output internal logging information')
   .option('--profile [value]', 'configuration profile to be used')
+  .option('--config [file]', 'configuration file to be used')
 
   // mocha options
   .option('-c, --colors', 'force enabling of colors')

lib/command/run.js

@@ -7,9 +7,10 @@ let output = require('../output');
 module.exports = function (suite, test, options) {
   // registering options globally to use in config
   process.profile = options.profile;
+  let configfile = options.config;
 
   let testRoot = getTestRoot(suite);
-  let config = getConfig(testRoot);
+  let config = getConfig(testRoot, configfile);
   try {
     let codecept = new Codecept(config, options);
     codecept.init(testRoot);

lib/command/utils.js

@@ -9,23 +9,39 @@ module.exports.getTestRoot = function (currentPath) {
   return testsPath;
 };
 
-module.exports.getConfig = function (testRoot) {
+module.exports.getConfig = function (testRoot, configfile) {
 
-  let config,
-    jsConfigFile = path.join(testRoot, 'codecept.conf.js'),
-    jsConfigFileDeprecated = path.join(testRoot, 'codecept.js'),
-    jsonConfigFile = path.join(testRoot, 'codecept.json');
+  let config;
 
-  if (fileExists(jsConfigFile)) {
-    config = require(jsConfigFile).config;
-  } else if (fileExists(jsConfigFileDeprecated)) {
-    console.log('Using codecept.js as configuration is deprecated, please rename it to codecept.conf.js');
-    config = require(jsConfigFileDeprecated).config;
-  } else if (fileExists(jsonConfigFile)) {
-    config = JSON.parse(fs.readFileSync(jsonConfigFile, 'utf8'));
-  } else {
-    output.error(`Can not load config from ${jsConfigFile} or ${jsonConfigFile}\nCodeceptJS is not initialized in this dir. Execute 'codeceptjs init' to start`);
-    process.exit(1);
+  if(configfile){
+    let manualConfigFile = path.resolve(configfile);
+    if (fileExists(manualConfigFile)){
+      if(path.extname(manualConfigFile) === '.js'){
+        config = require(manualConfigFile).config;
+      }else{
+        config = JSON.parse(fs.readFileSync(manualConfigFile, 'utf8'));
+      }
+    }else{
+      output.error(`Can not load config from ${manualConfigFile}: File does not exist.`);
+      process.exit(1);
+    }
+
+  }else{
+    let jsConfigFile = path.join(testRoot, 'codecept.conf.js'),
+      jsConfigFileDeprecated = path.join(testRoot, 'codecept.js'),
+      jsonConfigFile = path.join(testRoot, 'codecept.json');
+
+    if (fileExists(jsConfigFile)) {
+      config = require(jsConfigFile).config;
+    } else if (fileExists(jsConfigFileDeprecated)) {
+      console.log('Using codecept.js as configuration is deprecated, please rename it to codecept.conf.js');
+      config = require(jsConfigFileDeprecated).config;
+    } else if (fileExists(jsonConfigFile)) {
+      config = JSON.parse(fs.readFileSync(jsonConfigFile, 'utf8'));
+    } else {
+      output.error(`Can not load config from ${jsConfigFile} or ${jsonConfigFile}\nCodeceptJS is not initialized in this dir. Execute 'codeceptjs init' to start`);
+      process.exit(1);
+    }
   }
 
   if (!config.include) config.include = {};