diff --git a/notes/tests/externallib_test.php b/notes/tests/externallib_test.php
new file mode 100644
index 00000000000..3827ef3ca53
--- /dev/null
+++ b/notes/tests/externallib_test.php
@@ -0,0 +1,77 @@
+<?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/>.
+
+/**
+ * External notes functions unit tests
+ *
+ * @package    core_notes
+ * @category   external
+ * @copyright  2012 Jerome Mouneyrac
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+
+require_once($CFG->dirroot . '/webservice/tests/helpers.php');
+require_once($CFG->dirroot . '/notes/externallib.php');
+
+class core_notes_external_testcase extends externallib_advanced_testcase {
+
+    /**
+     * Test create_notes
+     */
+    public function test_create_notes() {
+
+        global $DB, $USER, $DB;
+
+        $this->resetAfterTest(true);
+
+        $course  = self::getDataGenerator()->create_course();
+
+        // Set the required capabilities by the external function
+        $contextid = context_course::instance($course->id)->id;
+        $roleid = $this->assignUserCapability('moodle/notes:manage', $contextid);
+        $this->assignUserCapability('moodle/course:view', $contextid, $roleid);
+
+        // Create test note data.
+        $note1 = array();
+        $note1['userid'] = $USER->id;
+        $note1['publishstate'] = 'personal';
+        $note1['courseid'] = $course->id;
+        $note1['text'] = 'the text';
+        $note1['clientnoteid'] = 4;
+        $notes = array($note1);
+
+        $creatednotes = core_notes_external::create_notes($notes);
+
+        $thenote = $DB->get_record('post', array('id' => $creatednotes[0]['noteid']));
+
+        // Confirm that base note data was inserted correctly.
+        $this->assertEquals($thenote->userid, $note1['userid']);
+        $this->assertEquals($thenote->courseid, $note1['courseid']);
+        $this->assertEquals($thenote->publishstate, NOTES_STATE_DRAFT);
+        $this->assertEquals($thenote->content, $note1['text']);
+        $this->assertEquals($creatednotes[0]['clientnoteid'], $note1['clientnoteid']);
+
+        // Call without required capability
+        $this->unassignUserCapability('moodle/notes:manage', $contextid, $roleid);
+        $this->setExpectedException('required_capability_exception');
+        $creatednotes = core_notes_external::create_notes($notes);
+
+    }
+}