Add tests for OpenAIEndpoint class

README.md

@@ -8,7 +8,7 @@ OpenAI APIs for XP
 [![Supports PHP 8.0+](https://raw.githubusercontent.com/xp-framework/web/master/static/php-8_0plus.svg)](http://php.net/)
 [![Latest Stable Version](https://poser.pugx.org/xp-forge/openai/version.svg)](https://packagist.org/packages/xp-forge/openai)
 
-This library implements OpenAI APIs.
+This library implements OpenAI APIs with a low-level abstraction approach.
 
 TikToken
 --------

src/main/php/com/openai/rest/OpenAIEndpoint.class.php

@@ -3,6 +3,7 @@
 use util\log\Traceable;
 use webservices\rest\Endpoint;
 
+/** @test com.openai.unittest.OpenAIEndpointTest */
 class OpenAIEndpoint implements Traceable {
   private $endpoint;
 

src/test/php/com/openai/unittest/OpenAIEndpointTest.class.php

@@ -0,0 +1,53 @@
+<?php namespace com\openai\unittest;
+
+use com\openai\rest\OpenAIEndpoint;
+use test\{Assert, Test};
+use webservices\rest\TestEndpoint;
+
+class OpenAIEndpointTest {
+  const URI= 'https://[email protected]/v1';
+
+  /** Returns a testing API endpoint */
+  private function testingEndpoint(): TestEndpoint {
+    return new TestEndpoint([
+      'POST /chat/completions' => function($call) {
+        if ($call->request()->payload()->value()['stream'] ?? false) {
+          $headers= ['Content-Type' => 'text/event-stream'];
+          $payload= implode("\n", [
+            'data: {"choices":[{"delta":{"role":"assistant"}}]}',
+            'data: {"choices":[{"delta":{"content":"Test"}}]}',
+            'data: [DONE]',
+          ]);
+        } else {
+          $headers= ['Content-Type' => 'application/json'];
+          $payload= '{"choices":[{"message":{"role":"assistant","content":"Test"}}]}';
+        }
+
+        return $call->respond(200, 'OK', $headers, $payload);
+      }
+    ]);
+  }
+
+  #[Test]
+  public function can_create() {
+    new OpenAIEndpoint(self::URI);
+  }
+
+  #[Test]
+  public function invoke() {
+    $endpoint= new OpenAIEndpoint($this->testingEndpoint());
+    Assert::equals(
+      ['choices' => [['message' => ['role' => 'assistant', 'content' => 'Test']]]],
+      $endpoint->api('/chat/completions')->invoke(['stream' => false])
+    );
+  }
+
+  #[Test]
+  public function stream() {
+    $endpoint= new OpenAIEndpoint($this->testingEndpoint());
+    Assert::equals(
+      ['choices' => [['message' => ['role' => 'assistant', 'content' => 'Test']]]],
+      $endpoint->api('/chat/completions')->stream(['stream' => true])->result()
+    );
+  }
+}