Merge branch 'wip-mdl-56353' of https://github.com/rajeshtaneja/moodle

lib/form/tests/behat/multi_select_dependencies.feature

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+@core_form @javascript @_bug_phantomjs
+Feature: Forms with a multi select field dependency
+  In order to test multi select field dependency
+  As an admin
+  I need forms field which depends on multiple select options
+
+  Scenario: Field should be enabled only when all select options are selected
+    # Get to the fixture page.
+    Given the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "activities" exist:
+      | activity   | name | intro                                                                               | course | idnumber |
+      | label      | L1   | <a href="../lib/form/tests/fixtures/multi_select_dependencies.php">FixtureLink</a> | C1     | label1   |
+    And I log in as "admin"
+    And I am on site homepage
+    And I follow "Course 1"
+    When I follow "FixtureLink"
+    Then the "Enter your name" "field" should be disabled
+    And I set the field "Choose one or more directions" to "South,West"
+    Then the "Enter your name" "field" should be enabled
+    And I set the field "Choose one or more directions" to "West"
+    Then the "Enter your name" "field" should be disabled
+    And I set the field "Choose one or more directions" to "North,West"
+    Then the "Enter your name" "field" should be disabled

lib/form/tests/fixtures/multi_select_dependencies.php

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+<?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/>.
+
+/**
+ * Fixture for Behat test for testing multiple select dependencies.
+ *
+ * @package core_form
+ * @copyright 2016 Rajesh Taneja <rajesh@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+require(__DIR__ . '/../../../../config.php');
+require_once($CFG->libdir . '/formslib.php');
+
+// Behat test fixture only.
+defined('BEHAT_SITE_RUNNING') || die('Only available on Behat test server');
+
+/**
+ * Form for testing multiple select dependencies.
+ *
+ * @package core_form
+ * @copyright 2016 Rajesh Taneja <rajesh@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class test_form extends moodleform {
+
+    /**
+     * Form definition.
+     */
+    public function definition() {
+
+        $mform = $this->_form;
+
+        $labels = array('North', 'Est', 'South', 'West');
+        $select = $mform->addElement('select', 'mselect_name', 'Choose one or more directions', $labels);
+        $select->setMultiple(true);
+
+        $mform->addElement('text', 'text_name', 'Enter your name');
+        $mform->setType('text_name', PARAM_RAW);
+
+        $mform->disabledIf('text_name', 'mselect_name[]', 'neq', array(2, 3));
+
+        $this->add_action_buttons($cancel = true, $submitlabel = null);
+    }
+}
+
+$PAGE->set_context(context_system::instance());
+$PAGE->set_url('/lib/form/tests/fixtures/multi_select_dependencies.php');
+$PAGE->set_title('multi_select_dependencies');
+
+$mform = new test_form(new moodle_url('/lib/form/tests/fixtures/multi_select_dependencies.php'));
+
+echo $OUTPUT->header();
+$mform->display();
+echo $OUTPUT->footer();