update tests

tests/Feature/Api/V1/Utilities/ProofreadControllerTest.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace Tests\Feature\Api\V1\Utilities;
+
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Http;
+use Laravel\Sanctum\Sanctum;
+use Tests\TestCase;
+
+class ProofreadControllerTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_proofread_requires_authentication(): void
+    {
+        $this->postJson('/api/proofread', ['text' => 'hello'])
+            ->assertStatus(401);
+    }
+
+    public function test_proofread_rejects_empty_text(): void
+    {
+        Sanctum::actingAs(User::factory()->create());
+
+        $this->postJson('/api/proofread', ['text' => ''])
+            ->assertStatus(422)
+            ->assertJsonPath('ok', false);
+    }
+
+    public function test_proofread_rejects_text_that_is_too_long(): void
+    {
+        Sanctum::actingAs(User::factory()->create());
+
+        $this->postJson('/api/proofread', ['text' => str_repeat('a', 20001)])
+            ->assertStatus(422)
+            ->assertJsonPath('ok', false);
+    }
+
+    public function test_proofread_proxies_languagetool_and_returns_result(): void
+    {
+        Http::fake([
+            'api.languagetool.org/*' => Http::response(['matches' => []], 200),
+        ]);
+
+        Sanctum::actingAs(User::factory()->create());
+
+        $this->postJson('/api/proofread', ['text' => 'This are a test.'])
+            ->assertOk()
+            ->assertJsonPath('ok', true)
+            ->assertJsonStructure(['ok', 'result', 'csrfHash']);
+
+        Http::assertSent(fn ($request) => str_contains($request->url(), 'languagetool.org'));
+    }
+
+    public function test_proofread_returns_502_when_upstream_fails(): void
+    {
+        Http::fake([
+            'api.languagetool.org/*' => Http::response('error', 500),
+        ]);
+
+        Sanctum::actingAs(User::factory()->create());
+
+        $this->postJson('/api/proofread', ['text' => 'Some text to check.'])
+            ->assertStatus(502)
+            ->assertJsonPath('ok', false);
+    }
+}