sam marshall
d3db4b037c
This commit defines the new /availability root folder, with /availability/classes, /availability/tests, and /availability/condition where the condition plugins will live. Condition plugin prefix is availability_, e.g. availability_date. Rationale for this organisation: 1. I was originally going to put this in /lib/availability but it has been pointed out that putting even more junk in lib is probably bad. 2. 'availability' and 'condition' are the two names used in code to refer to this system ($CFG->enableavailability). 3. The prefix has to be short enough to allow database tables (although in practice I assume that condition plugins will not normally contain database tables). The new API includes a Boolean tree structure that controls the availability of an item. AMOS BEGIN CPY [availabilityconditions,core_condition],[restrictaccess,core_availability] CPY [enableavailability,core_condition],[enableavailability,core_availability] CPY [configenableavailability,core_condition],[enableavailability_desc,core_availability] AMOS END
643 lines
25 KiB
PHP
643 lines
25 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Unit tests for the condition tree class and related logic.
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*
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* @package core_availability
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* @copyright 2014 The Open University
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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use core_availability\capability_checker;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Unit tests for the condition tree class and related logic.
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*
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* @package core_availability
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* @copyright 2014 The Open University
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class tree_testcase extends \advanced_testcase {
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public function setUp() {
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// Load the mock classes so they can be used.
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require_once(__DIR__ . '/fixtures/mock_condition.php');
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require_once(__DIR__ . '/fixtures/mock_info.php');
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}
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/**
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* Tests constructing a tree with errors.
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*/
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public function test_construct_errors() {
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try {
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new \core_availability\tree('frog');
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('not object', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array());
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('missing ->op', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '*'));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('unknown ->op', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '|'));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('missing ->show', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '|', 'show' => 0));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('->show not bool', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '&'));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('missing ->showc', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '&', 'showc' => 0));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('->showc not array', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '&', 'showc' => array(0)));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('->showc value not bool', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '|', 'show' => true));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('missing ->c', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '|', 'show' => true,
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'c' => 'side'));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('->c not array', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '|', 'show' => true,
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'c' => array(3)));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('child not object', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '|', 'show' => true,
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'c' => array((object)array('type' => 'doesnotexist'))));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('Unknown condition type: doesnotexist', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '|', 'show' => true,
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'c' => array((object)array())));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('missing ->op', $e->getMessage());
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}
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try {
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new \core_availability\tree((object)array('op' => '&',
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'c' => array((object)array('op' => '&', 'c' => array())),
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'showc' => array(true, true)
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));
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$this->fail();
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} catch (coding_exception $e) {
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$this->assertContains('->c, ->showc mismatch', $e->getMessage());
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}
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}
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/**
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* Tests constructing a tree with plugin that does not exist (ignored).
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*/
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public function test_construct_ignore_missing_plugin() {
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// Construct a tree with & combination of one condition that doesn't exist.
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$tree = new \core_availability\tree(self::tree(array(
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(object)array('type' => 'doesnotexist'))), true);
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// Expected result is an empty tree with | condition, shown.
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$this->assertEquals('+|()', (string)$tree);
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}
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/**
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* Tests constructing a tree with subtrees using all available operators.
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*/
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public function test_construct_just_trees() {
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$structure = self::tree(array(
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self::tree(array()),
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self::tree(array(
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self::tree(array(), '!|')), '!&')),
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'&', null, array(true, true));
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$tree = new \core_availability\tree($structure);
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$this->assertEquals('&(+|(),+!&(!|()))', (string)$tree);
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}
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/**
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* Tests constructing tree using the mock plugin.
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*/
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public function test_construct_with_mock_plugin() {
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$structure = self::tree(array(
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self::mock(array('a' => true, 'm' => ''))));
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$tree = new \core_availability\tree($structure);
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$this->assertEquals('+|({mock:y,})', (string)$tree);
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}
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/**
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* Tests the check_available and get_result_information functions.
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*/
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public function test_check_available() {
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global $USER;
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// Setup.
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$this->resetAfterTest();
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$info = new \core_availability\mock_info();
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$this->setAdminUser();
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$information = '';
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// No conditions.
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$structure = self::tree(array());
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertTrue($available);
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// One condition set to yes.
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$structure->c = array(
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self::mock(array('a' => true)));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertTrue($available);
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// One condition set to no.
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$structure->c = array(
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self::mock(array('a' => false, 'm' => 'no')));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertEquals('SA: no', $information);
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// Two conditions, OR, resolving as true.
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$structure->c = array(
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self::mock(array('a' => false, 'm' => 'no')),
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self::mock(array('a' => true)));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertTrue($available);
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$this->assertEquals('', $information);
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// Two conditions, OR, resolving as false.
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$structure->c = array(
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self::mock(array('a' => false, 'm' => 'no')),
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self::mock(array('a' => false, 'm' => 'way')));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertRegExp('~any of.*no.*way~', $information);
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// Two conditions, OR, resolving as false, no display.
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$structure->show = false;
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertEquals('', $information);
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// Two conditions, AND, resolving as true.
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$structure->op = '&';
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unset($structure->show);
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$structure->showc = array(true, true);
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$structure->c = array(
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self::mock(array('a' => true)),
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self::mock(array('a' => true)));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertTrue($available);
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// Two conditions, AND, one false.
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$structure->c = array(
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self::mock(array('a' => false, 'm' => 'wom')),
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self::mock(array('a' => true, 'm' => '')));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertEquals('SA: wom', $information);
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// Two conditions, AND, both false.
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$structure->c = array(
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self::mock(array('a' => false, 'm' => 'wom')),
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self::mock(array('a' => false, 'm' => 'bat')));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertRegExp('~wom.*bat~', $information);
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// Two conditions, AND, both false, show turned off for one. When
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// show is turned off, that means if you don't have that condition
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// you don't get to see anything at all.
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$structure->showc[0] = false;
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertEquals('', $information);
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$structure->showc[0] = true;
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// Two conditions, NOT OR, both false.
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$structure->op = '!|';
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertTrue($available);
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// Two conditions, NOT OR, one true.
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$structure->c[0]->a = true;
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertEquals('SA: !wom', $information);
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// Two conditions, NOT OR, both true.
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$structure->c[1]->a = true;
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertRegExp('~!wom.*!bat~', $information);
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// Two conditions, NOT AND, both true.
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$structure->op = '!&';
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unset($structure->showc);
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$structure->show = true;
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertRegExp('~any of.*!wom.*!bat~', $information);
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// Two conditions, NOT AND, one true.
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$structure->c[1]->a = false;
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertTrue($available);
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// Nested NOT conditions; true.
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$structure->c = array(
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self::tree(array(
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self::mock(array('a' => true, 'm' => 'no'))), '!&'));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertTrue($available);
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// Nested NOT conditions; false (note no ! in message).
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$structure->c[0]->c[0]->a = false;
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertEquals('SA: no', $information);
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// Nested condition groups, message test.
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$structure->op = '|';
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$structure->c = array(
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self::tree(array(
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self::mock(array('a' => false, 'm' => '1')),
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self::mock(array('a' => false, 'm' => '2'))
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), '&', null, array(true, true)),
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self::mock(array('a' => false, 'm' => 3)));
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list ($available, $information) = $this->get_available_results(
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$structure, $info, $USER->id);
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$this->assertFalse($available);
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$this->assertRegExp('~<ul.*<ul.*<li.*1.*<li.*2.*</ul>.*<li.*3~', $information);
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}
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/**
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* Shortcut function to check availability and also get information.
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*
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* @param stdClass $structure Tree structure
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* @param \core_availability\info $info Location info
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* @param int $userid User id
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*/
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protected function get_available_results($structure, \core_availability\info $info, $userid) {
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$tree = new \core_availability\tree($structure);
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$result = $tree->check_available(false, $info, true, $userid);
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return array($result->is_available(), $tree->get_result_information($info, $result));
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}
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/**
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* Tests the is_available_for_all() function.
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*/
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public function test_is_available_for_all() {
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// Empty tree is always available.
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$structure = self::tree(array());
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$tree = new \core_availability\tree($structure);
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$this->assertTrue($tree->is_available_for_all());
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// Tree with normal item in it, not always available.
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$structure->c[0] = (object)array('type' => 'mock');
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$tree = new \core_availability\tree($structure);
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$this->assertFalse($tree->is_available_for_all());
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// OR tree with one always-available item.
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$structure->c[1] = self::mock(array('all' => true));
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$tree = new \core_availability\tree($structure);
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$this->assertTrue($tree->is_available_for_all());
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// AND tree with one always-available and one not.
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$structure->op = '&';
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$structure->showc = array(true, true);
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unset($structure->show);
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$tree = new \core_availability\tree($structure);
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$this->assertFalse($tree->is_available_for_all());
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// Test NOT conditions (items not always-available).
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$structure->op = '!&';
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$structure->show = true;
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unset($structure->showc);
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$tree = new \core_availability\tree($structure);
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$this->assertFalse($tree->is_available_for_all());
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// Test again with one item always-available for NOT mode.
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$structure->c[1]->allnot = true;
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$tree = new \core_availability\tree($structure);
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$this->assertTrue($tree->is_available_for_all());
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}
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/**
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* Tests the get_full_information() function.
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*/
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public function test_get_full_information() {
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// Setup.
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$info = new \core_availability\mock_info();
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// No conditions.
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$structure = self::tree(array());
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$tree = new \core_availability\tree($structure);
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$this->assertEquals('', $tree->get_full_information($info));
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// Condition (normal and NOT).
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$structure->c = array(
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self::mock(array('m' => 'thing')));
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$tree = new \core_availability\tree($structure);
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$this->assertEquals('SA: [FULL]thing',
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$tree->get_full_information($info));
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$structure->op = '!&';
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$tree = new \core_availability\tree($structure);
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$this->assertEquals('SA: ![FULL]thing',
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$tree->get_full_information($info));
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// Complex structure.
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$structure->op = '|';
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$structure->c = array(
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self::tree(array(
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self::mock(array('m' => '1')),
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self::mock(array('m' => '2'))), '&'),
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self::mock(array('m' => 3)));
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$tree = new \core_availability\tree($structure);
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$this->assertRegExp('~<ul.*<ul.*<li.*1.*<li.*2.*</ul>.*<li.*3~',
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$tree->get_full_information($info));
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// Test intro messages before list. First, OR message.
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$structure->c = array(
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self::mock(array('m' => '1')),
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self::mock(array('m' => '2'))
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);
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$tree = new \core_availability\tree($structure);
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$this->assertRegExp('~Not available unless any of:.*<ul>~',
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$tree->get_full_information($info));
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// Now, OR message when not shown.
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$structure->show = false;
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$tree = new \core_availability\tree($structure);
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$this->assertRegExp('~hidden.*<ul>~',
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$tree->get_full_information($info));
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// AND message.
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$structure->op = '&';
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unset($structure->show);
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$structure->showc = array(false, false);
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$tree = new \core_availability\tree($structure);
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$this->assertRegExp('~Not available unless:.*<ul>~',
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$tree->get_full_information($info));
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// Hidden markers on items.
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$this->assertRegExp('~1.*hidden.*2.*hidden~',
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$tree->get_full_information($info));
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// Hidden markers on child tree and items.
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$structure->c[1] = self::tree(array(
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self::mock(array('m' => '2')),
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self::mock(array('m' => '3'))), '&');
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$tree = new \core_availability\tree($structure);
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$this->assertRegExp('~1.*hidden.*All of \(hidden.*2.*3~',
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$tree->get_full_information($info));
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$structure->c[1]->op = '|';
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$tree = new \core_availability\tree($structure);
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$this->assertRegExp('~1.*hidden.*Any of \(hidden.*2.*3~',
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$tree->get_full_information($info));
|
|
|
|
// Hidden markers on single-item display, AND and OR.
|
|
$structure->showc = array(false);
|
|
$structure->c = array(
|
|
self::mock(array('m' => '1'))
|
|
);
|
|
$tree = new \core_availability\tree($structure);
|
|
$this->assertRegExp('~1.*hidden~',
|
|
$tree->get_full_information($info));
|
|
|
|
unset($structure->showc);
|
|
$structure->show = false;
|
|
$structure->op = '|';
|
|
$tree = new \core_availability\tree($structure);
|
|
$this->assertRegExp('~1.*hidden~',
|
|
$tree->get_full_information($info));
|
|
|
|
// Hidden marker if single item is tree.
|
|
$structure->c[0] = self::tree(array(
|
|
self::mock(array('m' => '1')),
|
|
self::mock(array('m' => '2'))), '&', null);
|
|
$tree = new \core_availability\tree($structure);
|
|
$this->assertRegExp('~Not available \(hidden.*1.*2~',
|
|
$tree->get_full_information($info));
|
|
|
|
// Single item tree containing single item.
|
|
unset($structure->c[0]->c[1]);
|
|
$tree = new \core_availability\tree($structure);
|
|
$this->assertRegExp('~SA.*1.*hidden~',
|
|
$tree->get_full_information($info));
|
|
}
|
|
|
|
/**
|
|
* Tests the get_all_children() function.
|
|
*/
|
|
public function test_get_all_children() {
|
|
// Create a tree with nothing in.
|
|
$structure = self::tree(array());
|
|
$tree1 = new \core_availability\tree($structure);
|
|
|
|
// Create second tree with complex structure.
|
|
$structure->c = array(
|
|
self::tree(array(
|
|
self::mock(array('m' => '1')),
|
|
self::mock(array('m' => '2'))
|
|
)),
|
|
self::mock(array('m' => 3)));
|
|
$tree2 = new \core_availability\tree($structure);
|
|
|
|
// Check list of conditions from both trees.
|
|
$this->assertEquals(array(), $tree1->get_all_children('core_availability\condition'));
|
|
$result = $tree2->get_all_children('core_availability\condition');
|
|
$this->assertEquals(3, count($result));
|
|
$this->assertEquals('{mock:n,1}', (string)$result[0]);
|
|
$this->assertEquals('{mock:n,2}', (string)$result[1]);
|
|
$this->assertEquals('{mock:n,3}', (string)$result[2]);
|
|
|
|
// Check specific type, should give same results.
|
|
$result2 = $tree2->get_all_children('availability_mock\condition');
|
|
$this->assertEquals($result, $result2);
|
|
}
|
|
|
|
/**
|
|
* Tests the update_dependency_id() function.
|
|
*/
|
|
public function test_update_dependency_id() {
|
|
// Create tree with structure of 3 mocks.
|
|
$structure = self::tree(array(
|
|
self::tree(array(
|
|
self::mock(array('table' => 'frogs', 'id' => 9)),
|
|
self::mock(array('table' => 'zombies', 'id' => 9))
|
|
)),
|
|
self::mock(array('table' => 'frogs', 'id' => 9))));
|
|
|
|
// Get 'before' value.
|
|
$tree = new \core_availability\tree($structure);
|
|
$before = $tree->save();
|
|
|
|
// Try replacing a table or id that isn't used.
|
|
$this->assertFalse($tree->update_dependency_id('toads', 9, 13));
|
|
$this->assertFalse($tree->update_dependency_id('frogs', 7, 8));
|
|
$this->assertEquals($before, $tree->save());
|
|
|
|
// Replace the zombies one.
|
|
$this->assertTrue($tree->update_dependency_id('zombies', 9, 666));
|
|
$after = $tree->save();
|
|
$this->assertEquals(666, $after->c[0]->c[1]->id);
|
|
|
|
// And the frogs one.
|
|
$this->assertTrue($tree->update_dependency_id('frogs', 9, 3));
|
|
$after = $tree->save();
|
|
$this->assertEquals(3, $after->c[0]->c[0]->id);
|
|
$this->assertEquals(3, $after->c[1]->id);
|
|
}
|
|
|
|
/**
|
|
* Tests the filter_users function.
|
|
*/
|
|
public function test_filter_users() {
|
|
$info = new \core_availability\mock_info();
|
|
$checker = new capability_checker($info->get_context());
|
|
|
|
// Don't need to create real users in database, just use these ids.
|
|
$users = array(1 => null, 2 => null, 3 => null);
|
|
|
|
// Test basic tree with one condition that doesn't filter.
|
|
$structure = self::tree(array(self::mock(array())));
|
|
$tree = new \core_availability\tree($structure);
|
|
$result = $tree->filter_user_list($users, false, $info, $checker);
|
|
ksort($result);
|
|
$this->assertEquals(array(1, 2, 3), array_keys($result));
|
|
|
|
// Now a tree with one condition that filters.
|
|
$structure = self::tree(array(self::mock(array('filter' => array(2, 3)))));
|
|
$tree = new \core_availability\tree($structure);
|
|
$result = $tree->filter_user_list($users, false, $info, $checker);
|
|
ksort($result);
|
|
$this->assertEquals(array(2, 3), array_keys($result));
|
|
|
|
// Tree with two conditions that both filter (|).
|
|
$structure = self::tree(array(
|
|
self::mock(array('filter' => array(3))),
|
|
self::mock(array('filter' => array(1)))));
|
|
$tree = new \core_availability\tree($structure);
|
|
$result = $tree->filter_user_list($users, false, $info, $checker);
|
|
ksort($result);
|
|
$this->assertEquals(array(1, 3), array_keys($result));
|
|
|
|
// Tree with two condition that both filter (&).
|
|
$structure = self::tree(array(
|
|
self::mock(array('filter' => array(2, 3))),
|
|
self::mock(array('filter' => array(1, 2)))), '&', false,
|
|
array(true, true));
|
|
$tree = new \core_availability\tree($structure);
|
|
$result = $tree->filter_user_list($users, false, $info, $checker);
|
|
ksort($result);
|
|
$this->assertEquals(array(2), array_keys($result));
|
|
|
|
// Tree with child tree with NOT condition.
|
|
$structure = self::tree(array(
|
|
self::tree(
|
|
self::mock(array('filter' => array(1))), '!&', null)));
|
|
$tree = new \core_availability\tree($structure);
|
|
$result = $tree->filter_user_list($users, false, $info, $checker);
|
|
ksort($result);
|
|
$this->assertEquals(array(2, 3), array_keys($result));
|
|
}
|
|
|
|
/**
|
|
* Utility function to build the PHP structure representing a tree.
|
|
*
|
|
* @param array|tree_node $children Children or single child
|
|
* @param string $op Operator
|
|
* @param bool|null $show True/false show param or null if none
|
|
* @param array|null $showc showc param or null if none
|
|
* @return \stdClass Structure object
|
|
*/
|
|
protected static function tree($children, $op = '|', $show = true, $showc = null) {
|
|
$structure = new stdClass();
|
|
$structure->op = $op;
|
|
if (!is_array($children)) {
|
|
$children = array($children);
|
|
}
|
|
$structure->c = $children;
|
|
if ($showc !== null) {
|
|
$structure->showc = $showc;
|
|
}
|
|
if ($show !== null) {
|
|
$structure->show = $show;
|
|
}
|
|
return $structure;
|
|
}
|
|
|
|
/**
|
|
* Utility function to build the PHP structure representing a mock condition.
|
|
*
|
|
* @param array $params Mock parameters
|
|
* @return \stdClass Structure object
|
|
*/
|
|
protected static function mock(array $params) {
|
|
$params['type'] = 'mock';
|
|
return (object)$params;
|
|
}
|
|
}
|