tests: added PostgreSQL autoincrement test (#227)

Author: Miloslav Hůla

tests/Database/Reflection.postgre.10.phpt

@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * Test: PostgreSQL 10+ SERIAL and IDENTITY imply autoincrement on primary keys
+ * @dataProvider? databases.ini  postgresql
+ */
+
+declare(strict_types=1);
+
+use Tester\Assert;
+use Tester\Environment;
+
+require __DIR__ . '/connect.inc.php'; // create $connection
+
+
+$ver = $connection->query('SHOW server_version')->fetchField();
+if (version_compare($ver, '10') < 0) {
+	Environment::skip("For PostgreSQL 10 or newer but running with $ver.");
+}
+
+
+Nette\Database\Helpers::loadFromFile($connection, Tester\FileMock::create('
+	DROP SCHEMA IF EXISTS "reflection_10" CASCADE;
+	CREATE SCHEMA "reflection_10";
+
+	CREATE TABLE "reflection_10"."serial" ("id" SERIAL);
+	CREATE TABLE "reflection_10"."serial_pk" ("id" SERIAL PRIMARY KEY);
+
+	CREATE TABLE "reflection_10"."identity_always" ("id" INTEGER GENERATED ALWAYS AS IDENTITY);
+	CREATE TABLE "reflection_10"."identity_always_pk" ("id" INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY);
+
+	CREATE TABLE "reflection_10"."identity_by_default" ("id" INTEGER GENERATED BY DEFAULT AS IDENTITY);
+	CREATE TABLE "reflection_10"."identity_by_default_pk" ("id" INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY);
+'));
+$driver = $connection->getDriver();
+
+
+function filter(array $columns): array
+{
+	return array_map(function (array $col): array {
+		return [
+			'name' => $col['name'],
+			'autoincrement' => $col['autoincrement'],
+			'sequence' => $col['vendor']['sequence'],
+		];
+	}, $columns);
+}
+
+
+// Autoincrement columns by SERIAL and IDENTITY
+$connection->query('SET search_path TO reflection_10');
+
+$columns = [
+	'serial' => filter($driver->getColumns('serial')),
+	'serial_pk' => filter($driver->getColumns('serial_pk')),
+	'identity_always' => filter($driver->getColumns('identity_always')),
+	'identity_always_pk' => filter($driver->getColumns('identity_always_pk')),
+	'identity_by_default' => filter($driver->getColumns('identity_by_default')),
+	'identity_by_default_pk' => filter($driver->getColumns('identity_by_default_pk')),
+];
+
+
+Assert::same([
+	'serial' => [[
+		'name' => 'id',
+		'autoincrement' => false,
+		'sequence' => 'serial_id_seq',
+	]],
+
+	'serial_pk' => [[
+		'name' => 'id',
+		'autoincrement' => true,
+		'sequence' => 'serial_pk_id_seq',
+	]],
+
+	'identity_always' => [[
+		'name' => 'id',
+		'autoincrement' => false,
+		'sequence' => 'identity_always_id_seq',
+	]],
+
+	'identity_always_pk' => [[
+		'name' => 'id',
+		'autoincrement' => true,
+		'sequence' => 'identity_always_pk_id_seq',
+	]],
+
+	'identity_by_default' => [[
+		'name' => 'id',
+		'autoincrement' => false,
+		'sequence' => 'identity_by_default_id_seq',
+	]],
+
+	'identity_by_default_pk' => [[
+		'name' => 'id',
+		'autoincrement' => true,
+		'sequence' => 'identity_by_default_pk_id_seq',
+	]],
+], $columns);