added tests

Author: Athlon1600

.gitignore

@@ -0,0 +1,9 @@
+/vendor
+composer.phar
+composer.lock
+.DS_Store
+Thumbs.db
+/phpunit.xml
+/.idea
+/.vscode
+.phpunit.result.cache

tests/HttpBinTest.php

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+<?php
+
+namespace Curl\Tests;
+
+use Curl\Client;
+use PHPUnit\Framework\TestCase;
+
+class HttpBinTest extends TestCase
+{
+    public function test_get()
+    {
+        $client = new Client();
+        $response = $client->request('GET', 'http://httpbin.org/get');
+        $this->assertEquals(200, $response->status);
+    }
+
+    public function test_form_post()
+    {
+        $client = new Client();
+
+        $form_data = array(
+            'username' => 'test',
+            'password' => 'pass'
+        );
+
+        $response = $client->request('POST', 'http://httpbin.org/post', $form_data);
+
+        $this->assertEquals(200, $response->status);
+
+        $json = json_decode($response->body, true);
+
+        $this->assertEquals($form_data, $json['form']);
+    }
+
+    public function test_raw_post()
+    {
+        $client = new Client();
+
+        $post_data = "I_AM_STRING";
+
+        $response = $client->request('POST', 'http://httpbin.org/post', $post_data, [
+            'Content-Type' => 'text/plain'
+        ]);
+
+        $json = json_decode($response->body, true);
+
+        $this->assertEquals($post_data, $json['data']);
+    }
+
+    public function test_status_code()
+    {
+        $client = new Client();
+        $response = $client->request('GET', 'http://httpbin.org/status/400');
+
+        $this->assertEquals(400, $response->status);
+    }
+
+    public function test_redirect()
+    {
+        $client = new Client();
+
+        $redirect_to = "https://azenv.net/";
+
+        $response = $client->request('GET', 'https://httpbin.org/redirect-to', [
+            'url' => $redirect_to
+        ]);
+
+        $this->assertEquals(200, $response->status);
+        $this->assertEquals($redirect_to, $response->info['url']);
+    }
+
+    public function test_redirect_nofollow()
+    {
+        $client = new Client();
+
+        $redirect_to = "https://azenv.net/";
+
+        $response = $client->request('GET', 'https://httpbin.org/redirect-to', [
+            'url' => $redirect_to
+        ], [], [
+            CURLOPT_FOLLOWLOCATION => 0
+        ]);
+
+        $this->assertEquals(302, $response->status);
+    }
+}