MDLSITE-6660 Add unit tests for filtering by substring

tests/output/translator_test.php

@@ -0,0 +1,82 @@
+<?php
+// This file is part of Moodle - https://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/>.
+
+namespace local_amos\output;
+
+/**
+ * Unit tests for {@see \local_amos\output\translator}.
+ *
+ * @package     local_amos
+ * @category    test
+ * @copyright   2024 David Mudrák <[email protected]>
+ * @license     https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class translator_test extends \local_amos_testcase {
+
+    /**
+     * Test that permission check is performed.
+     */
+    public function test_filter_by_substring() {
+        global $PAGE, $USER;
+
+        $this->resetAfterTest(true);
+
+        self::setAdminUser();
+
+        $this->register_language('en', 20);
+        $this->register_language('cs', 20);
+
+        $stage = new \mlang_stage();
+
+        $component = new \mlang_component('foo_bar', 'en', \mlang_version::by_code(39));
+        $component->add_string(new \mlang_string('foobar', 'Foo bar'));
+        $component->add_string(new \mlang_string('foobaz', 'Foo baz'));
+        $stage->add($component);
+        $component->clear();
+
+        $component = new \mlang_component('foo_bar', 'cs', \mlang_version::by_code(39));
+        $component->add_string(new \mlang_string('foobar', 'Fů bar'));
+        $component->add_string(new \mlang_string('foobaz', 'Foo baz'));
+        $stage->add($component);
+        $component->clear();
+
+        $stage->commit('First strings and translations', ['source' => 'unittest']);
+
+        $_POST['__lazyform_amosfilter'] = 1;
+        $_POST['flng'] = ['cs'];
+        $_POST['fcmp'] = ['foo_bar'];
+        $_POST['sesskey'] = sesskey();
+        $_POST['ftxt'] = 'Foo';
+
+        $filter = new \local_amos\output\filter(new \moodle_url('/'));
+        $translator = new \local_amos\output\translator($filter, $USER);
+        $data = $translator->export_for_template($PAGE->get_renderer('core'));
+
+        // By default, both English and Czech are to be filtered so only 'foobaz' string is returned.
+        $this->assertEquals(1, count($data['strings']));
+        $this->assertEquals('foobaz', $data['strings'][0]->stringid);
+
+        // Do not apply to translations.
+        $_POST['ftxn'] = 0;
+
+        $filter = new \local_amos\output\filter(new \moodle_url('/'));
+        $translator = new \local_amos\output\translator($filter, $USER);
+        $data = $translator->export_for_template($PAGE->get_renderer('core'));
+
+        // Now the filter applies to the English only so both strings should be returned.
+        $this->assertEquals(2, count($data['strings']));
+    }
+}