chore: add tests

tests/Installer/InstallerTestCase.php

@@ -0,0 +1,100 @@
+<?php
+namespace Tests\Devaloka\Composer\Installer;
+
+use Composer\Composer;
+use Composer\Config;
+use Composer\Downloader\DownloadManager;
+use Composer\IO\IOInterface;
+use Composer\Repository\InstalledRepositoryInterface;
+use Composer\Util\Filesystem;
+use Mockery;
+use PHPUnit_Framework_TestCase;
+
+/**
+ * Class InstallerTestCase
+ *
+ * @package Tests\Devaloka\Composer\Installer
+ * @author Whizark
+ */
+abstract class InstallerTestCase extends PHPUnit_Framework_TestCase
+{
+    /**
+     * @var Config
+     */
+    protected $config;
+
+    /**
+     * @var Composer
+     */
+    protected $composer;
+
+    /**
+     * @var Filesystem
+     */
+    protected $filesystem;
+
+    /**
+     * @var Mockery\Mock|DownloadManager
+     */
+    protected $downloadManager;
+
+    /**
+     * @var Mockery\Mock|InstalledRepositoryInterface
+     */
+    protected $repository;
+
+    /**
+     * @var IOInterface
+     */
+    protected $io;
+
+    /**
+     * @var string
+     */
+    protected $vendorDir;
+
+    /**
+     * @var string
+     */
+    protected $binDir;
+
+    /**
+     * Sets up the test case.
+     */
+    protected function setUp()
+    {
+        $this->config     = new Config();
+        $this->composer   = new Composer();
+        $this->filesystem = new Filesystem();
+
+        $this->downloadManager = Mockery::mock('Composer\Downloader\DownloadManager');
+        $this->repository      = Mockery::mock('Composer\Repository\InstalledRepositoryInterface');
+        $this->io              = Mockery::mock('Composer\IO\IOInterface');
+
+        $this->vendorDir = realpath(sys_get_temp_dir()) . DIRECTORY_SEPARATOR . 'baton-test-vendor';
+        $this->binDir    = realpath(sys_get_temp_dir()) . DIRECTORY_SEPARATOR . 'baton-test-bin';
+
+        $this->config->merge(
+            array(
+                'config' => array(
+                    'vendor-dir' => $this->vendorDir,
+                    'bin-dir'    => $this->binDir,
+                ),
+            )
+        );
+        $this->composer->setConfig($this->config);
+        $this->composer->setDownloadManager($this->downloadManager);
+
+        $this->filesystem->emptyDirectory($this->vendorDir);
+        $this->filesystem->emptyDirectory($this->binDir);
+    }
+
+    /**
+     * Tears down the test case.
+     */
+    protected function tearDown()
+    {
+        $this->filesystem->removeDirectory($this->vendorDir);
+        $this->filesystem->removeDirectory($this->binDir);
+    }
+}