add new test

Author: simonLeary42

test/functional/ViewAsUserTest.php

@@ -0,0 +1,52 @@
+<?php
+
+use UnityWebPortal\lib\UnitySite;
+
+use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\MockObject\MockBuilder;
+
+class ViewAsUserTest extends TestCase
+{
+    public function testViewAsUser()
+    {
+        global $USER, $CONFIG, $SITE;
+        switchUser(...getAdminUser());
+        $this->assertEquals("user1_org1_test", $USER->getUID());
+        $this->assertTrue($USER->isAdmin());
+        $adminUid = $USER->getUID();
+        $oldSite = $SITE;
+        try {
+            $SITE = $this->createMock(UnitySite::class);
+            $SITE->method("redirect");
+            post(
+                __DIR__ . "/../../webroot/admin/user-mgmt.php",
+                [
+                    "form_name" => "viewAsUser",
+                    "uid" => "foobar",
+                ],
+            );
+            $this->assertArrayHasKey("viewUser", $_SESSION);
+            // redirect means that php process dies and user's browser will initiate a new one
+            // this makes `require_once autoload.php` run again and init.php changes $USER
+            session_write_close();
+            get(__DIR__ . "/../../resources/init.php");
+            $SITE = $this->createMock(UnitySite::class);
+            $SITE->method("redirect");
+            // now we should be new user
+            $this->assertEquals("foobar", $USER->getUID());
+            post(
+                __DIR__ . "/../../resources/templates/header.php",
+                ["form_name" => "clearView"],
+            );
+            // redirect means that php process dies and user's browser will initiate a new one
+            // this makes `require_once autoload.php` run again and init.php changes $USER
+            session_write_close();
+            get(__DIR__ . "/../../resources/init.php");
+            // now we should be back to original user
+            $this->assertEquals($adminUid, $USER->getUID());
+        } finally {
+            $SITE = $oldSite;
+        }
+    }
+}

test/phpunit-bootstrap.php

@@ -128,3 +128,13 @@ function getUserWithOneKey()
 {
     return ["[email protected]", "foo", "bar", "[email protected]"];
 }
+
+function getNonExistentUser()
+{
+    return ["[email protected]", "foo", "bar", "[email protected]"];
+}
+
+function getAdminUser()
+{
+    return ["[email protected]", "foo", "bar", "[email protected]"];
+}