added unit testing for BackendHelpers class

Author: skydiver

phpunit.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+        backupStaticAttributes="false"
+        bootstrap="../../../tests/bootstrap.php"
+        colors="true"
+        convertErrorsToExceptions="true"
+        convertNoticesToExceptions="true"
+        convertWarningsToExceptions="true"
+        processIsolation="false"
+        stopOnFailure="false"
+        syntaxCheck="false"
+>
+    <testsuites>
+        <testsuite name="Plugin Unit Test Suite">
+            <directory>./tests</directory>
+        </testsuite>
+    </testsuites>
+    <php>
+        <env name="APP_ENV" value="testing"/>
+        <env name="CACHE_DRIVER" value="array"/>
+        <env name="SESSION_DRIVER" value="array"/>
+    </php>
+</phpunit>

tests/unit/classes/BackendHelpersTest.php

@@ -0,0 +1,91 @@
+<?php
+
+namespace Martin\Forms\Tests\Classes;
+
+use Backend;
+use BackendAuth;
+use PluginTestCase;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Auth;
+use System\Classes\PluginManager;
+use Backend\Models\User;
+use Martin\Forms\Classes\BackendHelpers;
+
+class BackendHelpersTest extends PluginTestCase {
+
+    use RefreshDatabase;
+
+    public function setUp() {
+        parent::setUp();
+        PluginManager::instance()->bootAll(true);
+    }
+
+    /**
+     * @testdox Get backend URL
+     */
+    public function testGetBackendUrl() {
+        $this->_loginUser();
+        $expect = Backend::url("martin/forms/records");
+        $bh = new BackendHelpers();
+        $this->assertEquals($expect, $bh->getBackendURL([
+            'martin.forms.access_records' => 'martin/forms/records',
+            'martin.forms.access_exports' => 'martin/forms/exports'
+        ], 'martin.forms.access_records'));
+    }
+
+    /**
+     * @testdox Convert PHP array to HTML list
+     */
+    public function testArray2Ul() {
+        $list = [
+            'item1' => 'Item 1',
+            'item2' => ['item21' => 'Item 2.1', 'item22' => 'Item 2.2', 'item23' => 'Item 2.3'],
+            'item3' => 'Item 3',
+        ];
+        $expected = '<li>Item 1</li><li>item2<ul><li>Item 2.1</li><li>Item 2.2</li><li>Item 2.3</li></ul></li><li>Item 3</li>';
+        $bh = new BackendHelpers();
+        $this->assertEquals($expected, $bh->array2ul($list));
+    }
+
+    /**
+     * @testdox Anonymize IPv4 address
+     */
+    public function testAnonymizeIPv4() {
+        $bh = new BackendHelpers();
+        $this->assertEquals('8.8.8.0', $bh->anonymizeIPv4('8.8.8.8'));
+
+    }
+
+    /**
+     * @testdox Replace string containing curly braces
+     */
+    public function testReplaceTokenValid() {
+        $bh = new BackendHelpers();
+        $this->assertEquals('includes 50 string', $bh->replaceToken('record.id', '50', 'includes {{ record.id }} string'));
+    }
+
+    /**
+     * @testdox Replace string not containing curly braces
+     */
+    public function testReplaceTokenNoBraces() {
+        $bh = new BackendHelpers();
+        $this->assertEquals('includes record.id string', $bh->replaceToken('record.id', '50', 'includes record.id string'));
+    }
+
+
+    /**
+     * Login backend user
+     *
+     * @return void
+     */
+    private static function _loginUser() {
+        $user = User::create([
+            'email' => 'testuser@testcompany.com',
+            'login' => 'testuser',
+            'password' => 'superpassword',
+            'password_confirmation' => 'superpassword',
+        ]);
+        BackendAuth::login($user);
+    }
+
+}