add stuff necessary to run integration tests using phpunit

tests/ApiTest.php

@@ -1,13 +0,0 @@
-<?php
-use PHPUnit\Framework\TestCase;
-
-/** @group integration */
-final class ApiTest extends TestCase {
-
-	function test_login() {
-
-
-
-	}
-
-}

tests/integration/ApiTest.php

@@ -0,0 +1,60 @@
+<?php
+use PHPUnit\Framework\TestCase;
+
+/** @group integration */
+final class ApiTest extends TestCase {
+
+	/** @var string */
+	private $api_url;
+
+	/** @var string */
+	private $sid;
+
+	function __construct() {
+
+		$this->api_url = $_ENV['API_URL'];
+
+		print_r($this->api_url);
+
+		parent::__construct();
+	}
+
+	function api(array $payload) : ?array {
+		$ch = curl_init($this->api_url);
+
+		curl_setopt($ch, CURLOPT_HEADER, false);
+		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+		curl_setopt($ch, CURLOPT_HTTPHEADER, ["Content-type: application/json"]);
+		curl_setopt($ch, CURLOPT_POST, true);
+		curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
+
+		$response = curl_exec($ch);
+
+		$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+
+		curl_close($ch);
+
+		return json_decode($response, true);
+	}
+
+	public function common_assertions(array $response) {
+		$this->assertArrayHasKey("content", $response);
+		$this->assertArrayNotHasKey("error", $response['content'], $response['content']['error']);
+	}
+
+	public function test_login() {
+		$response = $this->api(["op" => "login", "user" => "test", "password" => "test"]);
+
+		$this->common_assertions($response);
+	}
+
+	public function test_getVersion() {
+
+		$response = $this->api(["op" => "getVersion"]);
+
+		$this->common_assertions($response);
+
+
+	}
+
+}