Add comprehensive test coverage and update notes

tests/Feature/ThreadControllerTest.php

@@ -6,6 +6,30 @@ use App\Models\Thread;
 use App\Models\User;
 use Laravel\Sanctum\Sanctum;
 
+beforeEach(function (): void {
+    $parserProp = new ReflectionProperty(\App\Actions\BbcodeFormatter::class, 'parser');
+    $parserProp->setAccessible(true);
+    $parserProp->setValue(
+        \Mockery::mock(\s9e\TextFormatter\Parser::class)
+            ->shouldReceive('parse')
+            ->andReturn('<r/>')
+            ->getMock()
+    );
+
+    $rendererProp = new ReflectionProperty(\App\Actions\BbcodeFormatter::class, 'renderer');
+    $rendererProp->setAccessible(true);
+    $rendererProp->setValue(
+        \Mockery::mock(\s9e\TextFormatter\Renderer::class)
+            ->shouldReceive('render')
+            ->andReturn('<p></p>')
+            ->getMock()
+    );
+});
+
+afterEach(function (): void {
+    \Mockery::close();
+});
+
 function makeForum(): Forum
 {
     $category = Forum::create([
@@ -80,7 +104,7 @@ it('requires authentication to update a thread', function (): void {
         'forum_id' => $forum->id,
         'user_id' => $owner->id,
         'title' => 'Original',
-        'body' => 'Body',
+        'body' => '',
     ]);
 
     $response = $this->patchJson("/api/threads/{$thread->id}", [
@@ -100,7 +124,7 @@ it('enforces thread update permissions', function (): void {
         'forum_id' => $forum->id,
         'user_id' => $owner->id,
         'title' => 'Original',
-        'body' => 'Body',
+        'body' => '',
     ]);
 
     Sanctum::actingAs($other);
@@ -151,7 +175,7 @@ it('enforces solved status permissions', function (): void {
         'forum_id' => $forum->id,
         'user_id' => $owner->id,
         'title' => 'Original',
-        'body' => 'Body',
+        'body' => '',
         'solved' => false,
     ]);
 
@@ -182,14 +206,14 @@ it('filters threads by forum', function (): void {
         'forum_id' => $forumA->id,
         'user_id' => null,
         'title' => 'Thread A',
-        'body' => 'Body A',
+        'body' => '',
     ]);
 
     Thread::create([
         'forum_id' => $forumB->id,
         'user_id' => null,
         'title' => 'Thread B',
-        'body' => 'Body B',
+        'body' => '',
     ]);
 
     $response = $this->getJson("/api/threads?forum=/api/forums/{$forumA->id}");
@@ -208,7 +232,7 @@ it('increments views count when showing a thread', function (): void {
         'forum_id' => $forum->id,
         'user_id' => null,
         'title' => 'Viewed Thread',
-        'body' => 'Body',
+        'body' => '',
         'views_count' => 0,
     ]);