Add Operations/Find

Author: tangrufus

composer.json

@@ -28,6 +28,7 @@
         "psr/log": "^1.0",
         "spatie/image-optimizer": "^1.1",
         "symfony/filesystem": "^4.1",
+        "symfony/finder": "^4.1",
         "wp-cli/wp-cli": "^2.0"
     },
     "require-dev": {

src/Operations/Find.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TypistTech\ImageOptimizeCommand\Operations;
+
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\Finder\SplFileInfo;
+use TypistTech\ImageOptimizeCommand\LoggerInterface;
+use function WP_CLI\Utils\normalize_path;
+
+class Find
+{
+    /**
+     * The finder.
+     *
+     * @var Finder
+     */
+    protected $finder;
+
+    /**
+     * The logger.
+     *
+     * @var LoggerInterface
+     */
+    protected $logger;
+
+    /**
+     * Find constructor.
+     *
+     * @param Finder          $finder The finder.
+     * @param LoggerInterface $logger The logger.
+     */
+    public function __construct(Finder $finder, LoggerInterface $logger)
+    {
+        $this->finder = $finder;
+        $this->logger = $logger;
+    }
+
+    /**
+     * Find files under a directory with specific extensions.
+     *
+     * @param string $directory     Path to search.
+     * @param string ...$extensions File extensions to search.
+     *
+     * @return string[]
+     */
+    public function execute(string $directory, string ...$extensions): array
+    {
+        $directory = normalize_path($directory);
+        $pattern = sprintf(
+            '/\.(%1$s)$/',
+            implode('|', $extensions)
+        );
+
+        $files = $this->finder->files()
+            ->in($directory)
+            ->name($pattern);
+
+        return array_map(function (SplFileInfo $file): string {
+            return $file->getRealPath();
+        }, iterator_to_array($files));
+    }
+}

tests/_data/images/find/bot.png

@@ -0,0 +1,74 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TypistTech\ImageOptimizeCommand\Operations;
+
+use Codeception\Module\Filesystem as FilesystemModule;
+use Codeception\Test\Unit;
+use Mockery;
+use Symfony\Component\Finder\Finder;
+use TypistTech\ImageOptimizeCommand\LoggerInterface;
+use WP_Mock;
+
+class FindTest extends Unit
+{
+    /**
+     * @var \TypistTech\ImageOptimizeCommand\UnitTester
+     */
+    protected $tester;
+
+    /**
+     * @var FilesystemModule
+     */
+    protected $filesystem;
+
+    /**
+     * @var string
+     */
+    protected $testDir;
+
+    public function testFind()
+    {
+        $finder = new Finder();
+        $logger = Mockery::spy(LoggerInterface::class);
+        $find = new Find($finder, $logger);
+
+        $actual = $find->execute($this->testDir, 'png', 'txt', 'original', 'xyz');
+
+        $expected = [
+            $this->testDir . '/bot.png',
+            $this->testDir . '/bot.png.original',
+            $this->testDir . '/find/bot.png',
+            $this->testDir . '/find/deep/bot.png',
+            $this->testDir . '/restore-me.txt',
+            $this->testDir . '/restore-me.txt.original',
+        ];
+        sort($actual);
+
+        $this->assertSame($expected, $actual);
+    }
+
+    protected function _before()
+    {
+        $this->filesystem = $this->getModule('Filesystem');
+        $this->testDir = codecept_data_dir('tmp');
+
+        $this->filesystem->copyDir(
+            codecept_data_dir('images'),
+            $this->testDir
+        );
+
+        WP_Mock::userFunction('WP_CLI\Utils\normalize_path')
+            ->with(Mockery::type('string'))
+            ->andReturnUsing(function ($arg) {
+                return $arg;
+            })
+            ->zeroOrMoreTimes();
+    }
+
+    protected function _after()
+    {
+        $this->filesystem->deleteDir($this->testDir);
+    }
+}