feature/006-support-dotfiles (#13)

* feature/006-support-dotfiles

* remove

* refactor search for config file

* restore output

* clean up

* edit readme

* edit changelog

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 All notable changes to `phpunit-watcher` will be documented in this file
 
+## 1.2.0 - 2017-08-05
+
+- check parent directories for config file
+
 ## 1.1.0 - 2017-08-02
 
 - add interactive commands

README.md

@@ -76,6 +76,8 @@ watch:
   fileMask: '*.php'
 ```
 
+If a such a config file does not exist in the project directory, the tool will check if the file exists in any of the parent directories of the project directory.
+
 Want to pass some arguments to PHPUnit no problem, just tack them on:
 
 ```bash

src/WatcherCommand.php

@@ -11,6 +11,8 @@
 
 class WatcherCommand extends Command
 {
+    const PHPUNIT_WATCH_CONFIG_FILENAME = "/.phpunit-watcher.yml";
+
     protected function configure()
     {
         $this->setName('watch')
@@ -40,7 +42,7 @@ protected function determineOptions(InputInterface $input): array
 
     protected function getOptionsFromConfigFile(): array
     {
-        $configFile = getcwd().'/.phpunit-watcher.yml';
+        $configFile = $this->getConfigFileLocation();
 
         if (! file_exists($configFile)) {
             return [];
@@ -49,6 +51,26 @@ protected function getOptionsFromConfigFile(): array
         return Yaml::parse(file_get_contents($configFile));
     }
 
+    protected function getConfigFileLocation()
+    {
+        $configName = '.phpunit-watcher.yml';
+
+        $configDirectory = getcwd();
+
+        while(is_dir($configDirectory)) {
+            $configFullPath = "{$configDirectory}/{$configName}";
+
+            if (file_exists($configFullPath)) {
+                return $configFullPath;
+            }
+
+            if ($configDirectory === DIRECTORY_SEPARATOR) {
+                return;
+            }
+            $configDirectory = dirname($configDirectory);
+        };
+    }
+
     protected function displayOptions(array $options, InputInterface $input, OutputInterface $output)
     {
         $output = new SymfonyStyle($input, $output);