MDL-70794 reportbuilder: management and further utility classes.

We define the base classes and APIs for reports, that can contain
columns and filters instances themselves.

reportbuilder/tests/local/helpers/format_test.php

@@ -0,0 +1,67 @@
+<?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/>.
+
+declare(strict_types=1);
+
+namespace core_reportbuilder\local\helpers;
+
+use advanced_testcase;
+use stdClass;
+
+/**
+ * Unit tests for the format helper
+ *
+ * @package     core_reportbuilder
+ * @covers      \core_reportbuilder\local\helpers\format
+ * @copyright   2021 Paul Holden <paulh@moodle.com>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class format_testcase extends advanced_testcase {
+
+    /**
+     * Test userdate method
+     */
+    public function test_userdate(): void {
+        $now = time();
+
+        $userdate = format::userdate($now, new stdClass());
+        $this->assertEquals(userdate($now), $userdate);
+    }
+
+    /**
+     * Data provider for {@see test_boolean_as_text}
+     *
+     * @return array
+     */
+    public function boolean_as_text_provider(): array {
+        return [
+            [false, get_string('no')],
+            [true, get_string('yes')],
+        ];
+    }
+
+    /**
+     * Test boolean as text
+     *
+     * @param bool $value
+     * @param string $expected
+     *
+     * @dataProvider boolean_as_text_provider
+     */
+    public function test_boolean_as_text(bool $value, string $expected): void {
+        $this->assertEquals($expected, format::boolean_as_text($value));
+    }
+}