From 94545c73f10a09469120d67e5da8a0b0587bcc17 Mon Sep 17 00:00:00 2001
From: Frederic Massart <fred@moodle.com>
Date: Tue, 29 Apr 2014 15:01:08 +0800
Subject: [PATCH] MDL-45256 portfolio: Unit tests for rewrite pluginfile urls

---
 lib/tests/portfoliolib_test.php | 169 ++++++++++++++++++++++++++++++++
 1 file changed, 169 insertions(+)
 create mode 100644 lib/tests/portfoliolib_test.php

diff --git a/lib/tests/portfoliolib_test.php b/lib/tests/portfoliolib_test.php
new file mode 100644
index 00000000000..a2a45e72f47
--- /dev/null
+++ b/lib/tests/portfoliolib_test.php
@@ -0,0 +1,169 @@
+<?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/>.
+
+/**
+ * Portfolio lib tests.
+ *
+ * @package    core
+ * @subpackage phpunit
+ * @copyright  2014 Frédéric Massart
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->libdir.'/portfoliolib.php');
+require_once($CFG->libdir.'/portfolio/formats.php');
+
+/**
+ * Portfolio lib testcase.
+ *
+ * @copyright  2014 Frédéric Massart
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class core_portfoliolib_testcase extends advanced_testcase {
+
+    public function test_portfolio_rewrite_pluginfile_urls() {
+        $this->resetAfterTest();
+
+        // File info.
+        $context = context_system::instance();
+        $component = 'core_test';
+        $filearea = 'fixture';
+        $filepath = '/';
+        $itemid = 0;
+        $filenameimg = 'file.png';
+        $filenamepdf = 'file.pdf';
+
+        // Store 2 test files in the pool.
+        $fs = get_file_storage();
+        $filerecord = array(
+            'contextid' => $context->id,
+            'component' => $component,
+            'filearea'  => $filearea,
+            'itemid'    => $itemid,
+            'filepath'  => $filepath,
+            'filename'  => $filenameimg,
+        );
+        $fileimg = $fs->create_file_from_string($filerecord, 'test');
+
+        $filerecord['filename']  = $filenamepdf;
+        $filepdf = $fs->create_file_from_string($filerecord, 'test');
+
+        // Test that nothing is matching.
+        $format = '';
+        $options = null;
+        $input = '<div>Here, the <a href="nowhere">@@PLUGINFILE@@' . $filepath . $filenamepdf .
+            ' is</a> not supposed to be an actual URL placeholder.</div>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($input, $output);
+
+        $input = '<div>Here, the <img src="nowhere" />@@PLUGINFILE@@' . $filepath . $filenameimg .
+            ' is</a> not supposed to be an actual URL placeholder.</div>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($input, $output);
+
+        // Now use our dummy format.
+        $format = new core_portfolio_format_dummytest();
+        $options = null;
+
+        // Test that the link is matching.
+        $input = '<p>Come and <a href="@@PLUGINFILE@@' . $filepath . $filenamepdf . '">join us!</a>?</p>';
+        $expected = '<p>Come and <a href="files/' . $filenamepdf . '">' . $filenamepdf . '</a>?</p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        $input = '<p>Come and <a href="@@PLUGINFILE@@' . $filepath . $filenamepdf . '"><em>join us!</em></a>?</p>';
+        $expected = '<p>Come and <a href="files/' . $filenamepdf . '">' . $filenamepdf . '</a>?</p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        // Test that the image is matching.
+        $input = '<p>Here is an image <img src="@@PLUGINFILE@@' . $filepath . $filenameimg . '"></p>'; // No trailing slash.
+        $expected = '<p>Here is an image <img src="files/' . $filenameimg . '"/></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        $input = '<p>Here is an image <img src="@@PLUGINFILE@@' . $filepath . $filenameimg . '" /></p>'; // Trailing slash.
+        $expected = '<p>Here is an image <img src="files/' . $filenameimg . '"/></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        // Test that the attributes are kept.
+        $input = '<p><a title="hurray!" href="@@PLUGINFILE@@' . $filepath . $filenamepdf . '" target="_blank">join us!</a></p>';
+        $expected = '<p><a title="hurray!" href="files/' . $filenamepdf . '" target="_blank">' . $filenamepdf . '</a></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        $input = '<p><img alt="before" src="@@PLUGINFILE@@' . $filepath . $filenameimg . '" title="after"/></p>';
+        $expected = '<p><img alt="before" src="files/' . $filenameimg . '" title="after"/></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        // Test with more tags around.
+        $input = '<p><span title="@@PLUGINFILE/a.txt"><a href="@@PLUGINFILE@@' . $filepath . $filenamepdf . '">' .
+            '<em>join</em> <b>us!</b></a></span></p>';
+        $expected = '<p><span title="@@PLUGINFILE/a.txt"><a href="files/' . $filenamepdf . '">' . $filenamepdf . '</a></span></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        $input = '<p><span title="@@PLUGINFILE/a.txt"><img src="@@PLUGINFILE@@' . $filepath . $filenameimg . '"/></span></p>';
+        $expected = '<p><span title="@@PLUGINFILE/a.txt"><img src="files/' . $filenameimg . '"/></span></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        // Test multiple on same line.
+        $input = '<p><a rel="1" href="@@PLUGINFILE@@' . $filepath . $filenamepdf . '">join us!</a>' .
+            '<a rel="2" href="@@PLUGINFILE@@' . $filepath . $filenamepdf . '">join us!</a></p>';
+        $expected = '<p><a rel="1" href="files/' . $filenamepdf . '">' . $filenamepdf . '</a>' .
+            '<a rel="2" href="files/' . $filenamepdf . '">' . $filenamepdf . '</a></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        $input = '<p><img rel="1" src="@@PLUGINFILE@@' . $filepath . $filenameimg . '"/>' .
+            '<img rel="2" src="@@PLUGINFILE@@' . $filepath . $filenameimg . '"/></p>';
+        $expected = '<p><img rel="1" src="files/' . $filenameimg . '"/><img rel="2" src="files/' . $filenameimg . '"/></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+
+        $input = '<p><a href="@@PLUGINFILE@@' . $filepath . $filenamepdf . '">join us!</a>' .
+            '<img src="@@PLUGINFILE@@' . $filepath . $filenameimg . '"/></p>';
+        $expected = '<p><a href="files/' . $filenamepdf . '">' . $filenamepdf . '</a>' .
+            '<img src="files/' . $filenameimg . '"/></p>';
+        $output = portfolio_rewrite_pluginfile_urls($input, $context->id, $component, $filearea, $itemid, $format, $options);
+        $this->assertSame($expected, $output);
+    }
+}
+
+/**
+ * Dummy portfolio format.
+ *
+ * @copyright  2014 Frédéric Massart
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class core_portfolio_format_dummytest extends portfolio_format {
+
+    public static function file_output($file, $options = null) {
+        if (isset($options['attributes']) && is_array($options['attributes'])) {
+            $attributes = $options['attributes'];
+        } else {
+            $attributes = array();
+        }
+        $path = 'files/' . $file->get_filename();
+        return self::make_tag($file, $path, $attributes);
+    }
+
+}