Added pools class and tests

Small changes in loadbalancer configuration

tests/Configurations/PoolTest.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * @author Martijn Smidt <martijn@squeezely.tech>
+ * User: HemeraOne
+ * Date: 13/05/2019
+ */
+
+use Cloudflare\API\Configurations\ConfigurationsException;
+use Cloudflare\API\Configurations\Pool;
+
+class PoolTest extends TestCase
+{
+    /**
+     * @dataProvider testArgumentsDataProvider
+     */
+    public function testArguments($setFunction, $arguments, $getFunction, $invalid)
+    {
+        $pool = new Pool('bogus', []);
+        foreach ($arguments as $argument) {
+            if ($invalid) {
+                try {
+                    $pool->{$setFunction}($argument);
+                } catch (ConfigurationsException $e) {
+                    $this->assertNotEquals($argument, $pool->{$getFunction}());
+                }
+            } elseif ($invalid === false) {
+                $pool->{$setFunction}($argument);
+                $this->assertEquals($argument, $pool->{$getFunction}());
+            }
+        }
+    }
+
+    public function testArgumentsDataProvider()
+    {
+        return [
+            'origins arguments valid' => [
+                'setOrigins', [[['name' => 'test', 'address' => 'server1.example.com']]], 'getOrigins', false
+            ],
+            'setNotificationEmail arguments valid' => [
+                'setNotificationEmail', ['user@example.com'], 'getNotificationEmail', false
+            ],
+            'origins arguments invalid no address' => [
+                'setOrigins', [['name' => 'test']], 'getOrigins', true
+            ],
+            'origins arguments invalid no name' => [
+                'setOrigins', [['address' => 'server1.example.com']], 'getOrigins', true
+            ],
+            'setNotificationEmail arguments invalid' => [
+                'setNotificationEmail', ['userexample.com'], 'getNotificationEmail', true
+            ]
+        ];
+    }
+}