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vendor/codeception/base/src/Codeception/Test/Loader.php

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+<?php
+namespace Codeception\Test;
+
+use Codeception\Test\Loader\Cept as CeptLoader;
+use Codeception\Test\Loader\Cest as CestLoader;
+use Codeception\Test\Loader\Unit as UnitLoader;
+use Codeception\Test\Loader\Gherkin as GherkinLoader;
+use Symfony\Component\Finder\Finder;
+
+/**
+ * Loads all Codeception supported test formats from a directory.
+ *
+ * ``` php
+ * <?php
+ * $testLoader = new \Codeception\TestLoader('tests/unit');
+ * $testLoader->loadTests();
+ * $tests = $testLoader->getTests();
+ * ?>
+ * ```
+ * You can load specific file
+ *
+ * ``` php
+ * <?php
+ * $testLoader = new \Codeception\TestLoader('tests/unit');
+ * $testLoader->loadTest('UserTest.php');
+ * $testLoader->loadTest('PostTest.php');
+ * $tests = $testLoader->getTests();
+ * ?>
+ * ```
+ * or a subdirectory
+ *
+ * ``` php
+ * <?php
+ * $testLoader = new \Codeception\TestLoader('tests/unit');
+ * $testLoader->loadTest('models'); // all tests from tests/unit/models
+ * $tests = $testLoader->getTests();
+ * ?>
+ * ```
+ *
+ */
+class Loader
+{
+    protected $formats = [];
+    protected $tests = [];
+    protected $path;
+
+    public function __construct(array $suiteSettings)
+    {
+        $this->path = $suiteSettings['path'];
+        $this->formats = [
+            new CeptLoader(),
+            new CestLoader(),
+            new UnitLoader(),
+            new GherkinLoader($suiteSettings)
+        ];
+        if (isset($suiteSettings['formats'])) {
+            foreach ($suiteSettings['formats'] as $format) {
+                $this->formats[] = new $format($suiteSettings);
+            }
+        }
+    }
+
+    public function getTests()
+    {
+        return $this->tests;
+    }
+
+    protected function relativeName($file)
+    {
+        return str_replace([$this->path, '\\'], ['', '/'], $file);
+    }
+
+    protected function findPath($path)
+    {
+        if (!file_exists($path)
+            && substr($path, -strlen('.php')) !== '.php'
+            && file_exists($newPath = $path . '.php')
+        ) {
+            return $newPath;
+        }
+
+        return $path;
+    }
+
+    protected function makePath($originalPath)
+    {
+        $path = $this->path . $this->relativeName($originalPath);
+
+        if (file_exists($newPath = $this->findPath($path))
+            || file_exists($newPath = $this->findPath(getcwd() . "/{$originalPath}"))
+        ) {
+            $path = $newPath;
+        }
+
+        if (!file_exists($path)) {
+            throw new \Exception("File or path $originalPath not found");
+        }
+
+        return $path;
+    }
+
+    public function loadTest($path)
+    {
+        $path = $this->makePath($path);
+
+        foreach ($this->formats as $format) {
+            /** @var $format Loader  **/
+            if (preg_match($format->getPattern(), $path)) {
+                $format->loadTests($path);
+                $this->tests = $format->getTests();
+                return;
+            }
+        }
+
+        if (is_dir($path)) {
+            $currentPath = $this->path;
+            $this->path = $path;
+            $this->loadTests();
+            $this->path = $currentPath;
+            return;
+        }
+        throw new \Exception('Test format not supported. Please, check you use the right suffix. Available filetypes: Cept, Cest, Test');
+    }
+
+    public function loadTests($fileName = null)
+    {
+        if ($fileName) {
+            return $this->loadTest($fileName);
+        }
+
+        $finder = Finder::create()->files()->sortByName()->in($this->path)->followLinks();
+
+        foreach ($this->formats as $format) {
+            /** @var $format Loader  **/
+            $formatFinder = clone($finder);
+            $testFiles = $formatFinder->name($format->getPattern());
+            foreach ($testFiles as $test) {
+                $pathname = str_replace(["//", "\\\\"], ["/", "\\"], $test->getPathname());
+                $format->loadTests($pathname);
+            }
+            $this->tests = array_merge($this->tests, $format->getTests());
+        }
+    }
+}