From 57e4f87a9f8a9686fd233ad5e9e5ba7506531a7e Mon Sep 17 00:00:00 2001
From: Jean-Michel Vedrine <vedrine@vedrine.org>
Date: Mon, 1 Jan 2018 17:44:06 +0100
Subject: Begin parser phpunit test

---
 tests/parser_test.php | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 tests/parser_test.php

(limited to 'tests')

diff --git a/tests/parser_test.php b/tests/parser_test.php
new file mode 100644
index 0000000..a6c3442
--- /dev/null
+++ b/tests/parser_test.php
@@ -0,0 +1,49 @@
+<?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/>.
+
+/**
+ * Unit tests for the short answer question definition class.
+ *
+ * @package    qtype_algebra
+ * @copyright  2017 Jean-Michel Vedrine
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+require_once($CFG->dirroot . '/question/type/algebra/parser.php');
+
+
+/**
+ * Unit tests for the algebra question parser.
+ *
+ * @copyright  2017 Jean-Michel Vedrine
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+class qtype_algebra_parser_test extends advanced_testcase {
+
+    public function test_parser_vars_functions() {
+        $p = new qtype_algebra_parser;
+
+        $expr = $p->parse('sin(2x) + cos(3y)');
+        $this->assertEquals(array('x', 'y'), $expr->get_variables())
+        $this->assertEquals(array('cos', 'sin'),  $expr->get_functions())
+        $this->assertEquals('\sin(2 x_{}) + \cos(3 y_{}', $exp->tex());
+    }
+}
-- 
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