refactors to use a Plugin to parse --ci option

src/Plugins/Context.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest\Plugins;
+
+use Pest\Contracts\Plugins\HandlesArguments;
+
+/**
+ * @internal
+ */
+final class Context implements HandlesArguments
+{
+    public const ENV_CI    = 'ci';
+    public const ENV_LOCAL = 'local';
+
+    /**
+     * @var \Pest\Plugins\Context
+     */
+    private static $instance;
+
+    /**
+     * @var string
+     */
+    public $env = 'local';
+
+    public static function getInstance(): Context
+    {
+        if (self::$instance === null) {
+            self::$instance = new self();
+        }
+
+        return self::$instance;
+    }
+
+    public function handleArguments(array $arguments): array
+    {
+        foreach ($arguments as $index => $argument) {
+            if ($argument === '--ci') {
+                unset($arguments[$index]);
+                self::getInstance()->env = 'ci';
+            }
+        }
+
+        return array_values($arguments);
+    }
+}

src/Repositories/TestRepository.php

@@ -11,6 +11,7 @@ use Pest\Exceptions\TestAlreadyExist;
 use Pest\Exceptions\TestCaseAlreadyInUse;
 use Pest\Exceptions\TestCaseClassOrTraitNotFound;
 use Pest\Factories\TestCaseFactory;
+use Pest\Plugins\Context;
 use Pest\Support\Reflection;
 use Pest\Support\Str;
 use Pest\TestSuite;
@@ -119,7 +120,7 @@ final class TestRepository
      */
     private function testsUsingOnly(): array
     {
-        if (TestSuite::getInstance()->workingEnv === 'ci') {
+        if (Context::getInstance()->env === Context::ENV_CI) {
             return [];
         }
 

src/TestSuite.php

@@ -73,13 +73,6 @@ final class TestSuite
      */
     public $testPath;
 
-    /**
-     * Holds the current working environment identifier.
-     *
-     * @var string
-     */
-    public $workingEnv;
-
     /**
      * Holds an instance of the test suite.
      *
@@ -100,17 +93,15 @@ final class TestSuite
 
         $this->rootPath   = (string) realpath($rootPath);
         $this->testPath   = $testPath;
-        $this->workingEnv = 'local';
     }
 
     /**
      * Returns the current instance of the test suite.
      */
-    public static function getInstance(string $rootPath = null, string $testPath = null, string $workingEnv = null): TestSuite
+    public static function getInstance(string $rootPath = null, string $testPath = null): TestSuite
     {
         if (is_string($rootPath) && is_string($testPath)) {
-            self::$instance             = new TestSuite($rootPath, $testPath);
-            self::$instance->workingEnv = $workingEnv ?? 'local';
+            self::$instance = new TestSuite($rootPath, $testPath);
 
             foreach (Plugin::$callables as $callable) {
                 $callable();