feat: initial work on presets

src/Preset.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Pest;
+
+use Pest\Arch\Contracts\ArchExpectation;
+use Pest\Arch\Support\Composer;
+use Pest\PendingCalls\TestCall;
+
+/**
+ * @internal
+ */
+final class Preset
+{
+    /**
+     * The application / package base namespaces.
+     */
+    private static ?array $baseNamespaces = null;
+
+    /**
+     * Creates a new preset instance.
+     */
+    public function __construct(private readonly TestCall $testCall)
+    {
+        //
+    }
+
+    /**
+     * Uses the Pest base preset and returns the test call instance.
+     */
+    public function base(): TestCall|ArchExpectation
+    {
+        return (new ArchPresets\Base)->boot($this->testCall, $this->baseNamespaces());
+    }
+
+    /**
+     * Uses the Pest strict preset and returns the test call instance.
+     */
+    public function strict(): TestCall
+    {
+        (new ArchPresets\Strict)->boot($this->testCall, $this->baseNamespaces());
+
+        return $this->testCall;
+    }
+
+    /**
+     * Get the base namespaces for the application / package.
+     */
+    private function baseNamespaces(): array
+    {
+        if (self::$baseNamespaces === null) {
+            self::$baseNamespaces = Composer::userNamespaces();
+        }
+
+        return self::$baseNamespaces;
+    }
+}