feat: allow configuring the TIA directory (#1787)

* feat: allow configuring the TIA directory

* refactor: simplify TIA directory resolution

* fix: bootstrap TIA state after configuration

* chore: apply Rector to TIA storage test

* fix: stabilize checks on pull requests

* fix: align TIA fixture branch resolution

* fix: preserve success snapshot formatting

* fix: order TIA storage snapshot

* chore: keep TIA directory changes scoped

tests/Unit/Plugins/Tia/Storage.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+use Pest\Plugins\Tia\Bootstrapper;
+use Pest\Plugins\Tia\Configuration;
+use Pest\Plugins\Tia\Contracts\State;
+use Pest\Plugins\Tia\FileState;
+use Pest\Plugins\Tia\Storage;
+use Pest\Support\Container;
+use Pest\TestSuite;
+
+afterEach(function (): void {
+    Storage::useDirectory(null);
+});
+
+it('uses a project-relative configured directory', function (): void {
+    $container = new Container;
+    $testSuite = new TestSuite(sys_get_temp_dir(), 'tests');
+    $container->add(TestSuite::class, $testSuite);
+
+    (new Configuration)->directory('.pest/tia');
+    new Bootstrapper($container)->boot();
+
+    $state = $container->get(State::class);
+
+    if (! $state instanceof FileState) {
+        throw new RuntimeException('Expected the TIA state to use file storage.');
+    }
+
+    expect(Storage::tempDir('/project'))->toBe('/project'.DIRECTORY_SEPARATOR.'.pest/tia')
+        ->and($state->pathFor('graph.json'))->toBe($testSuite->rootPath.DIRECTORY_SEPARATOR.'.pest/tia/graph.json');
+});
+
+it('uses an absolute configured directory', function (): void {
+    (new Configuration)->directory('/tmp/pest-tia');
+
+    expect(Storage::tempDir('/project'))->toBe('/tmp/pest-tia');
+});