From fbf83d84289fa9563eeb2060357ed4c228d6c8a2 Mon Sep 17 00:00:00 2001
From: Valentin Popov <info@valentineus.link>
Date: Wed, 6 Jun 2018 15:20:43 +0400
Subject: Testing the main API

Signed-off-by: Valentin Popov <info@valentineus.link>
---
 tests/api_test.php | 125 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 tests/api_test.php

diff --git a/tests/api_test.php b/tests/api_test.php
new file mode 100644
index 0000000..d8ed961
--- /dev/null
+++ b/tests/api_test.php
@@ -0,0 +1,125 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Test 'tool_apisiteadmins' class.
+ *
+ * @copyright   2018 "Valentin Popov" <info@valentineus.link>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package     tool_apisiteadmins
+ */
+
+defined("MOODLE_INTERNAL") || die();
+
+require_once(__DIR__ . "/../lib.php");
+
+/**
+ * Test 'tool_apisiteadmins' class.
+ *
+ * @group       tool_apisiteadmins
+ * @copyright   2018 "Valentin Popov" <info@valentineus.link>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package     tool_apisiteadmins
+ */
+class tool_apisiteadmins_api_testcase extends advanced_testcase {
+    public function test_adding_and_deleting_administrator() {
+        global $CFG;
+
+        $this->resetAfterTest(true);
+
+        $user = $this->getDataGenerator()->create_user();
+
+        /* Adds a user to the list */
+        tool_apisiteadmins::add_user($user->id);
+        $this->assertArrayHasKey($user->id, get_admins());
+        $this->assertCount(2, get_admins());
+
+        /* Re-adds the user to the list */
+        tool_apisiteadmins::add_user($user->id);
+        $this->assertArrayHasKey($user->id, get_admins());
+        $this->assertCount(2, get_admins());
+
+        /* Removes the user from the list */
+        tool_apisiteadmins::remove_user($user->id);
+        $this->assertArrayNotHasKey($user->id, get_admins());
+        $this->assertCount(1, get_admins());
+
+        /* Removes a remote user from the list */
+        tool_apisiteadmins::remove_user($user->id);
+        $this->assertArrayNotHasKey($user->id, get_admins());
+        $this->assertCount(1, get_admins());
+    }
+
+    /**
+     * @depends test_adding_and_deleting_administrator
+     */
+    public function test_exception_adding_check() {
+        global $CFG;
+
+        $this->expectException(moodle_exception::class);
+        $this->resetAfterTest(true);
+
+        $userid = mt_rand(99, 999);
+
+        /* Adds a non-existent user */
+        tool_apisiteadmins::add_user($userid);
+    }
+
+    /**
+     * @depends test_adding_and_deleting_administrator
+     */
+    public function test_exception_removal_check() {
+        global $CFG;
+
+        $this->expectException(moodle_exception::class);
+        $this->resetAfterTest(true);
+
+        $userid = mt_rand(99, 999);
+
+        /* Removes a non-existent user */
+        tool_apisiteadmins::remove_user($userid);
+    }
+
+    /**
+     * @depends test_adding_and_deleting_administrator
+     * @depends test_exception_adding_check
+     * @depends test_exception_removal_check
+     */
+    public function test_changing_main_administrator() {
+        global $CFG;
+
+        $this->resetAfterTest(true);
+
+        $user1 = $this->getDataGenerator()->create_user();
+        $user2 = $this->getDataGenerator()->create_user();
+
+        /* Adds users to the list */
+        tool_apisiteadmins::add_user($user1->id);
+        tool_apisiteadmins::add_user($user2->id);
+        $this->assertArrayHasKey($user1->id, get_admins());
+        $this->assertArrayHasKey($user2->id, get_admins());
+
+        /* Sets first user main */
+        tool_apisiteadmins::set_main($user1->id);
+        $this->assertCount(3, get_admins());
+        $this->assertEquals($user1, get_admin());
+
+        /* Sets second user main */
+        tool_apisiteadmins::set_main($user2->id);
+        $this->assertCount(3, get_admins());
+        $this->assertEquals($user2, get_admin());
+    }
+}
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