test: usage for OpenRouter provider

Author: lukalocniskar

tests/Fixtures/Chat.php

@@ -37,6 +37,35 @@ function chatCompletion(): array
     ];
 }
 
+/**
+ * @return array<string, mixed>
+ */
+function chatCompletionOpenRouter(): array
+{
+    return [
+        'id' => 'gen-123',
+        'object' => 'chat.completion',
+        'created' => 1744873707,
+        'model' => 'mistral/ministral-8b',
+        'choices' => [
+            [
+                'index' => 0,
+                'message' => [
+                    'role' => 'assistant',
+                    'content' => 'Hello! How can I assist you today?',
+                ],
+                'logprobs' => null,
+                'finish_reason' => 'stop',
+            ],
+        ],
+        'usage' => [
+            'prompt_tokens' => 13,
+            'completion_tokens' => 20,
+            'total_tokens' => 33,
+        ],
+    ];
+}
+
 /**
  * @return array<string, mixed>
  */

tests/Responses/Chat/CreateResponseUsage.php

@@ -15,6 +15,17 @@
         ->completionTokensDetails->toBeInstanceOf(CreateResponseUsageCompletionTokensDetails::class);
 });
 
+test('from (OpenRouter)', function () {
+    $result = CreateResponseUsage::from(chatCompletionOpenRouter()['usage']);
+
+    expect($result)
+        ->promptTokens->toBe(13)
+        ->completionTokens->toBe(20)
+        ->totalTokens->toBe(33)
+        ->promptTokensDetails->toBeNull()
+        ->completionTokensDetails->toBeNull();
+});
+
 test('to array', function () {
     $result = CreateResponseUsage::from(chatCompletion()['usage']);