Implementation of the backend for the OAuth2 clients management

tests/codeception/common/unit/models/OauthClientQueryTest.php

@@ -0,0 +1,42 @@
+<?php
+namespace tests\codeception\common\unit\models;
+
+use common\models\OauthClient;
+use tests\codeception\common\fixtures\OauthClientFixture;
+use tests\codeception\common\unit\TestCase;
+
+class OauthClientQueryTest extends TestCase {
+
+    public function _fixtures() {
+        return [
+            'oauthClients' => OauthClientFixture::class,
+        ];
+    }
+
+    public function testDefaultHideDeletedEntries() {
+        /** @var OauthClient[] $clients */
+        $clients = OauthClient::find()->all();
+        $this->assertEmpty(array_filter($clients, function(OauthClient $client) {
+            return (bool)$client->is_deleted === true;
+        }));
+        $this->assertNull(OauthClient::findOne('deleted-oauth-client'));
+    }
+
+    public function testAllowFindDeletedEntries() {
+        /** @var OauthClient[] $clients */
+        $clients = OauthClient::find()->includeDeleted()->all();
+        $this->assertNotEmpty(array_filter($clients, function(OauthClient $client) {
+            return (bool)$client->is_deleted === true;
+        }));
+        $client = OauthClient::find()
+            ->includeDeleted()
+            ->andWhere(['id' => 'deleted-oauth-client'])
+            ->one();
+        $this->assertInstanceOf(OauthClient::class, $client);
+        $deletedClients = OauthClient::find()->onlyDeleted()->all();
+        $this->assertEmpty(array_filter($deletedClients, function(OauthClient $client) {
+            return (bool)$client->is_deleted === false;
+        }));
+    }
+
+}