test: GrokAI facade test

Author: thefeqy

tests/Feature/GrokAiTest.php

@@ -0,0 +1,101 @@
+<?php
+
+namespace Tests\Feature;
+
+use GrokPHP\Laravel\Facades\GrokAI;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+use GrokPHP\Client\Exceptions\GrokException;
+
+class GrokAiTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /**
+     * Test basic chat request.
+     */
+    public function test_it_can_send_a_chat_request(): void
+    {
+        $response = GrokAI::chat([
+            ['role' => 'user', 'content' => 'Tell me a joke!']
+        ])->full();
+
+        $this->assertArrayHasKey('choices', $response);
+        $this->assertNotEmpty($response['choices']);
+        $this->assertEquals('assistant', $response['choices'][0]['message']['role']);
+    }
+
+    /**
+     * Test getting only the AI content.
+     */
+    public function test_it_returns_only_ai_response(): void
+    {
+        $content = GrokAI::chat([
+            ['role' => 'user', 'content' => 'Tell me a joke!']
+        ])->content();
+
+        $this->assertIsString($content);
+        $this->assertNotEmpty($content);
+    }
+
+    /**
+     * Test image analysis using Vision.
+     */
+    public function test_it_can_analyze_an_image(): void
+    {
+        $response = GrokAI::vision()->analyze(
+            'https://www.shutterstock.com/image-photo/young-english-cocker-spaniel-puppy-600nw-2026045151.jpg',
+            'Describe this image'
+        )->full();
+
+        $this->assertArrayHasKey('choices', $response);
+        $this->assertNotEmpty($response['choices']);
+        $this->assertEquals('assistant', $response['choices'][0]['message']['role']);
+    }
+
+    /**
+     * Test exception handling when using an empty API key.
+     */
+    public function test_it_throws_exception_for_empty_api_key(): void
+    {
+        config(['grok.api_key' => '']);
+
+        $this->expectException(GrokException::class);
+        $this->expectExceptionMessage('No API key provided');
+
+        GrokAI::chat([
+            ['role' => 'user', 'content' => 'Tell me a joke!']
+        ]);
+    }
+
+    /**
+     * Test exception handling when using an invalid API key.
+     * @return void
+     */
+    public function test_it_throws_exception_for_invalid_api_key(): void
+    {
+        config(['grok.api_key' => 'invalid-key']);
+
+        $this->expectException(GrokException::class);
+        $this->expectExceptionMessageMatches('/Incorrect API key/');
+
+        GrokAI::chat([
+            ['role' => 'user', 'content' => 'Tell me a joke!']
+        ]);
+    }
+
+    /**
+     * Test exception when using an unsupported model with image input.
+     */
+    public function test_it_throws_exception_for_invalid_model_with_image(): void
+    {
+        $this->expectException(GrokException::class);
+        $this->expectExceptionMessage('The model does not support image input but some images are present in the request.');
+
+        GrokAI::vision()->analyze(
+            'https://www.shutterstock.com/image-photo/young-english-cocker-spaniel-puppy-600nw-2026045151.jpg',
+            'What is in this image?',
+            model: \GrokPHP\Client\Enums\Model::GROK_2
+        );
+    }
+}