Add test to verify that either files or git options are set.

phpunit.xml.dist

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+         bootstrap="vendor/autoload.php">
+
+    <testsuites>
+        <testsuite name="Integration tests">
+            <directory>tests/integration</directory>
+        </testsuite>
+    </testsuites>
+
+</phpunit>

src/Command/AnalyzeCommand.php

@@ -96,19 +96,15 @@ protected function execute(InputInterface $input, OutputInterface $output)
             $git = $input->getOption('git');
         }
 
-        if ($files && $git) {
+        if (!empty($files) && $git) {
             throw new \Exception('Options `files` and `git` can not used in combination.');
         }
 
-        if ($files) {
+        if (!empty($files)) {
             $files = explode(',', $files[0]);
         }
 
-        if (!$files[0]) {
-            $files = [];
-        }
-
-        if (!$files && !$git) {
+        if (empty($files) && !$git) {
             throw new \Exception('You must set `files` or `git` options.');
         }
 

src/Console/Application.php

@@ -23,29 +23,25 @@ class Application extends BaseApplication
      */
     private $config;
 
-    /**
-     * @return \JMOlivas\Phpqa\Config
-     */
-    public function getConfig()
+    public function __construct($name = 'UNKNOWN', $version = 'UNKNOWN')
     {
-        return $this->config;
+        parent::__construct($name, $version);
+        $this->config = new Config();
     }
 
     /**
-     * {@inheritdoc}
+     * @return \JMOlivas\Phpqa\Config
      */
-    public function doRun(InputInterface $input, OutputInterface $output)
+    public function getConfig()
     {
-        $this->config = new Config();
-
-        parent::doRun($input, $output);
+        return $this->config;
     }
 
     /**
      * @return string
      */
     public function getApplicationDirectory()
     {
-        return __DIR__.'/../../';
+        return __DIR__ . '/../../';
     }
 }

tests/integration/Command/AnalyzeCommandTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace JMOlivas\Phpqa\Command;
+
+use JMOlivas\Phpqa\Console\Application;
+use PHPUnit_Framework_TestCase as TestCase;
+use Symfony\Component\Console\Tester\CommandTester;
+
+class AnalyzeCommandTest extends TestCase
+{
+    /**
+     * @test
+     * @expectedException \Exception
+     * @expectedExceptionMessage You must set `files` or `git` options.
+     */
+    function it_should_throw_exception_if_neither_files_nor_git_options_are_provided()
+    {
+        $application = new Application();
+        $command = new AnalyzeCommand();
+        $command->setApplication($application);
+
+        $tester = new CommandTester($command);
+
+        $tester->execute([]);
+    }
+}