fedi-feed-router/backend/tests/Unit/Http/Middleware/HandleInertiaRequestsTest.php

<?php

namespace Tests\Unit\Http\Middleware;

use App\Http\Middleware\HandleInertiaRequests;
use Illuminate\Http\Request;
use Tests\TestCase;

class HandleInertiaRequestsTest extends TestCase
{
    protected HandleInertiaRequests $middleware;

    protected function setUp(): void
    {
        parent::setUp();
        $this->middleware = new HandleInertiaRequests();
    }

    public function test_root_view_is_set_to_app(): void
    {
        $reflection = new \ReflectionClass($this->middleware);
        $property = $reflection->getProperty('rootView');
        $property->setAccessible(true);
        
        $this->assertEquals('app', $property->getValue($this->middleware));
    }

    public function test_version_calls_parent_version(): void
    {
        $request = Request::create('/test');
        
        // Since this method calls parent::version(), we're testing that it doesn't throw an exception
        // and returns the expected type (string or null)
        $version = $this->middleware->version($request);
        
        $this->assertTrue(is_string($version) || is_null($version));
    }

    public function test_share_returns_array_with_parent_data(): void
    {
        $request = Request::create('/test');
        
        $shared = $this->middleware->share($request);
        
        $this->assertIsArray($shared);
        // Since we're merging with parent::share(), we expect at least some basic Inertia data
        // The exact keys depend on the parent implementation, but it should be an array
    }

    public function test_share_merges_parent_data_correctly(): void
    {
        $request = Request::create('/test');
        
        $shared = $this->middleware->share($request);
        
        // Test that the method returns an array and doesn't throw exceptions
        $this->assertIsArray($shared);
        
        // Since the implementation currently only returns parent data merged with empty array,
        // we can test that the structure is maintained
        $this->assertNotNull($shared);
    }

    public function test_middleware_can_be_instantiated(): void
    {
        $this->assertInstanceOf(HandleInertiaRequests::class, $this->middleware);
        $this->assertInstanceOf(\Inertia\Middleware::class, $this->middleware);
    }

    public function test_share_method_is_callable(): void
    {
        $request = Request::create('/test');
        
        $this->assertTrue(method_exists($this->middleware, 'share'));
        $this->assertTrue(is_callable([$this->middleware, 'share']));
        
        // Ensure the method can be called without throwing exceptions
        $result = $this->middleware->share($request);
        $this->assertIsArray($result);
    }

    public function test_version_method_is_callable(): void
    {
        $request = Request::create('/test');
        
        $this->assertTrue(method_exists($this->middleware, 'version'));
        $this->assertTrue(is_callable([$this->middleware, 'version']));
        
        // Ensure the method can be called without throwing exceptions
        $result = $this->middleware->version($request);
        $this->assertTrue(is_string($result) || is_null($result));
    }

    public function test_share_with_different_request_methods(): void
    {
        $getMethods = ['GET', 'POST', 'PUT', 'DELETE', 'PATCH'];
        
        foreach ($getMethods as $method) {
            $request = Request::create('/test', $method);
            $shared = $this->middleware->share($request);
            
            $this->assertIsArray($shared, "Failed for {$method} method");
        }
    }

    public function test_share_with_request_containing_data(): void
    {
        $request = Request::create('/test', 'POST', ['key' => 'value']);
        $request->headers->set('X-Custom-Header', 'test-value');
        
        $shared = $this->middleware->share($request);
        
        $this->assertIsArray($shared);
        // The middleware should handle requests with data without issues
    }
}