added tests for paginator

Author: dcblogdev

tests/PaginatorTest.php

@@ -0,0 +1,40 @@
+<?php
+
+use Dcblogdev\MsGraph\Helpers\Paginator;
+
+test('Paginator initializes correctly', function () {
+    $paginator = new Paginator(10, 'page');
+
+    expect($paginator)->toBeInstanceOf(Paginator::class);
+});
+
+test('get_start calculates correct offset', function () {
+    $_GET['page'] = 3;
+    $paginator = new Paginator(10, 'page');
+
+    expect($paginator->get_start())->toBe(20);
+});
+
+test('setTotal updates totalRows correctly', function () {
+    $paginator = new Paginator(10, 'page');
+    $paginator->setTotal(50);
+
+    expect($paginator->page_links_array())->toHaveCount(5);
+});
+
+test('page_links_array returns correct pagination', function () {
+    $paginator = new Paginator(10, 'page');
+    $paginator->setTotal(50);
+
+    expect($paginator->page_links_array())->toBe([1, 2, 3, 4, 5]);
+});
+
+test('page_links generates correct HTML', function () {
+    $paginator = new Paginator(10, 'page');
+    $paginator->setTotal(30);
+
+    $html = $paginator->page_links();
+
+    expect($html)->toContain("<ul class='pagination'>")
+        ->and($html)->toContain("<li><a href='?page=1'>1</a></li>");
+});