test: add test for OCI8 getFieldData()

Author: kenjis

tests/system/Database/Live/OCI8/GetFieldDataTest.php

@@ -0,0 +1,110 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Database\Live\OCI8;
+
+use CodeIgniter\Database\Live\AbstractGetFieldDataTest;
+use Config\Database;
+
+/**
+ * @group DatabaseLive
+ *
+ * @internal
+ */
+final class GetFieldDataTest extends AbstractGetFieldDataTest
+{
+    protected function createForge(): void
+    {
+        if ($this->db->DBDriver !== 'OCI8') {
+            $this->markTestSkipped('This test is only for OCI8.');
+        }
+
+        $this->forge = Database::forge($this->db);
+    }
+
+    public function testGetFieldData(): void
+    {
+        $fields = $this->db->getFieldData('test1');
+
+        $data = [];
+
+        foreach ($fields as $obj) {
+            $data[$obj->name] = $obj;
+        }
+
+        $idDefault = $data['id']->default;
+        $this->assertMatchesRegularExpression('/"ORACLE"."ISEQ\$\$_[0-9]+".nextval/', $idDefault);
+
+        $this->assertJsonStringEqualsJsonString(
+            json_encode([
+                (object) [
+                    'name'       => 'id',
+                    'type'       => 'NUMBER',
+                    'max_length' => '11',
+                    'default'    => $idDefault, // The default value is not defined.
+                    // 'primary_key' => 1,
+                    'nullable' => false,
+                ],
+                (object) [
+                    'name'       => 'text_not_null',
+                    'type'       => 'VARCHAR2',
+                    'max_length' => '64',
+                    'default'    => null, // The default value is not defined.
+                    // 'primary_key' => 0,
+                    'nullable' => false,
+                ],
+                (object) [
+                    'name'       => 'text_null',
+                    'type'       => 'VARCHAR2',
+                    'max_length' => '64',
+                    'default'    => null, // The default value is not defined.
+                    // 'primary_key' => 0,
+                    'nullable' => true,
+                ],
+                (object) [
+                    'name'       => 'int_default_0',
+                    'type'       => 'NUMBER',
+                    'max_length' => '11',
+                    'default'    => '0 ', // int 0
+                    // 'primary_key' => 0,
+                    'nullable' => false,
+                ],
+                (object) [
+                    'name'       => 'text_default_null',
+                    'type'       => 'VARCHAR2',
+                    'max_length' => '64',
+                    'default'    => 'NULL ', // NULL value
+                    // 'primary_key' => 0,
+                    'nullable' => true,
+                ],
+                (object) [
+                    'name'       => 'text_default_text_null',
+                    'type'       => 'VARCHAR2',
+                    'max_length' => '64',
+                    'default'    => "'null' ", // string "null"
+                    // 'primary_key' => 0,
+                    'nullable' => false,
+                ],
+                (object) [
+                    'name'       => 'text_default_abc',
+                    'type'       => 'VARCHAR2',
+                    'max_length' => '64',
+                    'default'    => "'abc' ", // string "abc"
+                    // 'primary_key' => 0,
+                    'nullable' => false,
+                ],
+            ]),
+            json_encode($fields)
+        );
+    }
+}