Add installer for Processwire module (#472)

* Add ProcessWire installer

* Inflect package names to CamelCase

* Add tests

* Add readme

Author: daun

README.md

@@ -96,6 +96,7 @@ is not needed to install packages with these frameworks:
 | PPI          | **`ppi-module`**
 | Puppet       | `puppet-module`
 | Porto        | `porto-container`
+| ProcessWire  | `processwire-module`
 | RadPHP       | `radphp-bundle`
 | REDAXO       | `redaxo-addon`
 | REDAXO bestyle-plugin | `redaxo-bestyle-plugin`

composer.json

@@ -57,6 +57,7 @@
         "PPI",
         "Puppet",
         "Porto",
+        "ProcessWire",
         "RadPHP",
         "ReIndex",
         "Roundcube",

src/Composer/Installers/Installer.php

@@ -88,6 +88,7 @@ class Installer extends LibraryInstaller
         'radphp'       => 'RadPHPInstaller',
         'phifty'       => 'PhiftyInstaller',
         'porto'        => 'PortoInstaller',
+        'processwire'  => 'ProcessWireInstaller',
         'redaxo'       => 'RedaxoInstaller',
         'redaxo5'      => 'Redaxo5Installer',
         'reindex'      => 'ReIndexInstaller',

src/Composer/Installers/ProcessWireInstaller.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Composer\Installers;
+
+class ProcessWireInstaller extends BaseInstaller
+{
+    protected $locations = array(
+        'module'  => 'site/modules/{$name}/',
+    );
+
+    /**
+     * Format package name to CamelCase
+     */
+    public function inflectPackageVars($vars)
+    {
+        $vars['name'] = strtolower(preg_replace('/(?<=\\w)([A-Z])/', '_\\1', $vars['name']));
+        $vars['name'] = str_replace(array('-', '_'), ' ', $vars['name']);
+        $vars['name'] = str_replace(' ', '', ucwords($vars['name']));
+
+        return $vars;
+    }
+}

tests/Composer/Installers/Test/InstallerTest.php

@@ -196,6 +196,7 @@ public function dataForTestSupport()
             array('prestashop-theme', true),
             array('puppet-module', true),
             array('porto-container', true),
+            array('processwire-module', true),
             array('radphp-bundle', true),
             array('redaxo-addon', true),
             array('redaxo-bestyle-plugin', true),
@@ -404,6 +405,7 @@ public function dataForTestInstallPath()
             array('puppet-module', 'modules/puppet-name/', 'puppet/puppet-name'),
             array('porto-container', 'app/Containers/container-name/', 'test/container-name'),
             array('radphp-bundle', 'src/Migration/', 'atkrad/migration'),
+            array('processwire-module', 'site/modules/HelloWorld/', 'test/hello-world'),
             array('redaxo-addon', 'redaxo/include/addons/my_plugin/', 'shama/my_plugin'),
             array('redaxo-bestyle-plugin', 'redaxo/include/addons/be_style/plugins/my_plugin/', 'shama/my_plugin'),
             array('redaxo5-addon', 'redaxo/src/addons/my_plugin/', 'shama/my_plugin'),

tests/Composer/Installers/Test/ProcessWireInstallerTest.php

@@ -0,0 +1,44 @@
+<?php
+namespace Composer\Installers\Test;
+
+use Composer\Installers\ProcessWireInstaller;
+use Composer\Package\Package;
+use Composer\Composer;
+
+class ProcessWireInstallerTest extends TestCase
+{
+    private $composer;
+    private $io;
+    private $package;
+
+    /**
+     * setUp
+     *
+     * @return void
+     */
+    public function setUp()
+    {
+        $this->package = new Package('CamelCased', '1.0', '1.0');
+        $this->composer = new Composer();
+    }
+
+    /**
+     * testInflectPackageVars
+     *
+     * @return void
+     */
+    public function testInflectPackageVars()
+    {
+        $installer = new ProcessWireInstaller($this->package, $this->composer);
+        $result = $installer->inflectPackageVars(array('name' => 'CamelCased'));
+        $this->assertEquals($result, array('name' => 'CamelCased'));
+
+        $installer = new ProcessWireInstaller($this->package, $this->composer);
+        $result = $installer->inflectPackageVars(array('name' => 'with-dash'));
+        $this->assertEquals($result, array('name' => 'WithDash'));
+
+        $installer = new ProcessWireInstaller($this->package, $this->composer);
+        $result = $installer->inflectPackageVars(array('name' => 'with_underscore'));
+        $this->assertEquals($result, array('name' => 'WithUnderscore'));
+    }
+}