fix unit test

Author: m45adiwinata

src/Libraries/Client.php

@@ -69,12 +69,14 @@ class Client extends BaseClient
      */
     public function __construct(array $config = [])
     {
+        parent::__construct($config);
         $context = app(Context::class);
         $metadata = $context->get(Metadata::class);
-        foreach ((array) $metadata as $key => $value) {
-            $this->requestHeaders[$key] = $value;
+        if (!is_null($metadata)) {
+            foreach ((array) $metadata as $key => $value) {
+                $this->requestHeaders[$key] = $value;
+            }
         }
-        parent::__construct($config);
     }
 
     /**

tests/Libraries/ClientTest.php

@@ -22,12 +22,15 @@ public function createApplication()
 
     public function testCallY(): void
     {
-        
+        $mock = new MockHandler([
+            new Response(200, ['Content-Type' => 'application/json'], json_encode(['status' => 'ok', 'message' => 'well done'])),
+        ]);
+        $handlerStack = new HandlerStack($mock);
         $request = new Request(
             'GET',
             'https://dummyjson.com/test',
         );
-        $client = new Client();
+        $client = new Client(['handler' => $handlerStack]);
         $response = $client->call($request);
         $contents = $response->getBody()->getContents();
         $contents_arr = json_decode($contents, true, 512);
@@ -36,11 +39,15 @@ public function testCallY(): void
 
     public function testCallX(): void
     {
+        $mock = new MockHandler([
+            new Response(200, ['Content-Type' => 'application/json'], json_encode(['status' => 'ok', 'message' => 'well done'])),
+        ]);
+        $handlerStack = new HandlerStack($mock);
         $request = new Request(
             'GET',
             'https://dummyjson.com/test',
         );
-        $client = new Client();
+        $client = new Client(['handler' => $handlerStack]);
         $response = $client->call($request);
         $contents = $response->getBody()->getContents();
         $contents_arr = json_decode($contents, true, 512);
@@ -75,11 +82,15 @@ public function testCallZ(): void
 
     public function testCallEksternal(): void
     {
+        $mock = new MockHandler([
+            new Response(200, ['Content-Type' => 'application/json'], json_encode(['status' => 'ok', 'message' => 'well done'])),
+        ]);
+        $handlerStack = new HandlerStack($mock);
         $request = new Request(
             'GET',
             'https://dummyjson.com/test',
         );
-        $client = new Client();
+        $client = new Client(['handler' => $handlerStack]);
         $response = $client
             ->call($request);
         $contents = $response->getBody()->getContents();
@@ -114,6 +125,10 @@ public function testCallMultipartSuccess(): void
 
     public function testCallMultipartSuccess2(): void
     {
+        $mock = new MockHandler([
+            new Response(200, ['Content-Type' => 'application/json'], json_encode(['id' => '101', 'status' => 'OK', 'message' => 'well done'])),
+        ]);
+        $handlerStack = new HandlerStack($mock);
         $f = fopen('public/docs/hello.txt', 'w');
         fwrite($f, 'hello world');
         fclose($f);
@@ -128,7 +143,7 @@ public function testCallMultipartSuccess2(): void
                 ]
             ])
         );
-        $client = new Client();
+        $client = new Client(['handler' => $handlerStack]);
         $resp = $client
             ->call($request);
         $r = json_decode($resp->getBody()->getContents());