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342 lines
12 KiB
342 lines
12 KiB
<?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 webservice component.
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*
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* @package core_webservice
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* @category test
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* @copyright 2016 Jun Pataleta <jun@moodle.com>
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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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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once($CFG->dirroot . '/webservice/lib.php');
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/**
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* Unit tests for the webservice component.
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*
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* @package core_webservice
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* @category test
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* @copyright 2016 Jun Pataleta <jun@moodle.com>
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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 webservice_test extends advanced_testcase {
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/**
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* Setup.
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*/
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public function setUp() {
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// Calling parent is good, always.
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parent::setUp();
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// We always need enabled WS for this testcase.
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set_config('enablewebservices', '1');
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}
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/**
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* Test init_service_class().
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*/
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public function test_init_service_class() {
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global $DB, $USER;
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$this->resetAfterTest(true);
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// Set current user.
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$this->setAdminUser();
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// Add a web service.
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$webservice = new stdClass();
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$webservice->name = 'Test web service';
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$webservice->enabled = true;
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$webservice->restrictedusers = false;
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$webservice->component = 'moodle';
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$webservice->timecreated = time();
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$webservice->downloadfiles = true;
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$webservice->uploadfiles = true;
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$externalserviceid = $DB->insert_record('external_services', $webservice);
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// Add token.
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$externaltoken = new stdClass();
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$externaltoken->token = 'testtoken';
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$externaltoken->tokentype = 0;
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$externaltoken->userid = $USER->id;
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$externaltoken->externalserviceid = $externalserviceid;
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$externaltoken->contextid = 1;
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$externaltoken->creatorid = $USER->id;
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$externaltoken->timecreated = time();
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$DB->insert_record('external_tokens', $externaltoken);
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// Add a function to the service.
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$wsmethod = new stdClass();
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$wsmethod->externalserviceid = $externalserviceid;
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$wsmethod->functionname = 'core_course_get_contents';
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$DB->insert_record('external_services_functions', $wsmethod);
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// Initialise the dummy web service.
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$dummy = new webservice_dummy(WEBSERVICE_AUTHMETHOD_PERMANENT_TOKEN);
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// Set the token.
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$dummy->set_token($externaltoken->token);
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// Run the web service.
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$dummy->run();
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// Get service methods and structs.
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$servicemethods = $dummy->get_service_methods();
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$servicestructs = $dummy->get_service_structs();
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$this->assertNotEmpty($servicemethods);
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// The function core_course_get_contents should be only the only web service function in the moment.
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$this->assertEquals(1, count($servicemethods));
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// The function core_course_get_contents doesn't have a struct class, so the list of service structs should be empty.
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$this->assertEmpty($servicestructs);
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// Add other functions to the service.
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// The function core_comment_get_comments has one struct class in its output.
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$wsmethod->functionname = 'core_comment_get_comments';
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$DB->insert_record('external_services_functions', $wsmethod);
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// The function core_grades_update_grades has one struct class in its input.
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$wsmethod->functionname = 'core_grades_update_grades';
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$DB->insert_record('external_services_functions', $wsmethod);
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// Run the web service again.
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$dummy->run();
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// Get service methods and structs.
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$servicemethods = $dummy->get_service_methods();
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$servicestructs = $dummy->get_service_structs();
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$this->assertEquals(3, count($servicemethods));
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$this->assertEquals(2, count($servicestructs));
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// Check the contents of service methods.
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foreach ($servicemethods as $method) {
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// Get the external function info.
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$function = external_api::external_function_info($method->name);
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// Check input params.
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foreach ($function->parameters_desc->keys as $name => $keydesc) {
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$this->check_params($method->inputparams[$name]['type'], $keydesc, $servicestructs);
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}
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// Check output params.
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$this->check_params($method->outputparams['return']['type'], $function->returns_desc, $servicestructs);
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// Check description.
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$this->assertEquals($function->description, $method->description);
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}
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}
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/**
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* Tests update_token_lastaccess() function.
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*
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* @throws dml_exception
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*/
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public function test_update_token_lastaccess() {
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global $DB;
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$this->resetAfterTest(true);
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// Set current user.
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$this->setAdminUser();
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// Add a web service.
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$webservice = new stdClass();
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$webservice->name = 'Test web service';
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$webservice->enabled = true;
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$webservice->restrictedusers = false;
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$webservice->component = 'moodle';
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$webservice->timecreated = time();
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$webservice->downloadfiles = true;
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$webservice->uploadfiles = true;
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$DB->insert_record('external_services', $webservice);
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// Add token.
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$tokenstr = external_create_service_token($webservice->name, context_system::instance()->id);
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$token = $DB->get_record('external_tokens', ['token' => $tokenstr]);
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// Trigger last access once (at current time).
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webservice::update_token_lastaccess($token);
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// Check last access.
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$token = $DB->get_record('external_tokens', ['token' => $tokenstr]);
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$this->assertLessThan(5, abs(time() - $token->lastaccess));
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// Try setting it to +1 second. This should not update yet.
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$before = (int)$token->lastaccess;
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webservice::update_token_lastaccess($token, $before + 1);
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$token = $DB->get_record('external_tokens', ['token' => $tokenstr]);
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$this->assertEquals($before, $token->lastaccess);
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// To -1000 seconds. This should not update.
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webservice::update_token_lastaccess($token, $before - 1000);
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$token = $DB->get_record('external_tokens', ['token' => $tokenstr]);
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$this->assertEquals($before, $token->lastaccess);
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// To +59 seconds. This should also not quite update.
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webservice::update_token_lastaccess($token, $before + 59);
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$token = $DB->get_record('external_tokens', ['token' => $tokenstr]);
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$this->assertEquals($before, $token->lastaccess);
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// Finally to +60 seconds, where it should update.
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webservice::update_token_lastaccess($token, $before + 60);
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$token = $DB->get_record('external_tokens', ['token' => $tokenstr]);
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$this->assertEquals($before + 60, $token->lastaccess);
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}
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/**
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* Utility method that tests the parameter type of a method info's input/output parameter.
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*
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* @param string $type The parameter type that is being evaluated.
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* @param mixed $methoddesc The method description of the WS function.
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* @param array $servicestructs The list of generated service struct classes.
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*/
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private function check_params($type, $methoddesc, $servicestructs) {
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if ($methoddesc instanceof external_value) {
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// Test for simple types.
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if (in_array($methoddesc->type, [PARAM_INT, PARAM_FLOAT, PARAM_BOOL])) {
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$this->assertEquals($methoddesc->type, $type);
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} else {
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$this->assertEquals('string', $type);
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}
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} else if ($methoddesc instanceof external_single_structure) {
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// Test that the class name of the struct class is in the array of service structs.
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$structinfo = $this->get_struct_info($servicestructs, $type);
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$this->assertNotNull($structinfo);
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// Test that the properties of the struct info exist in the method description.
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foreach ($structinfo->properties as $propname => $proptype) {
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$this->assertTrue($this->in_keydesc($methoddesc, $propname));
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}
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} else if ($methoddesc instanceof external_multiple_structure) {
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// Test for array types.
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$this->assertEquals('array', $type);
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}
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}
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/**
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* Gets the struct information from the list of struct classes based on the given struct class name.
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*
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* @param array $structarray The list of generated struct classes.
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* @param string $structclass The name of the struct class.
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* @return object|null The struct class info, or null if it's not found.
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*/
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private function get_struct_info($structarray, $structclass) {
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foreach ($structarray as $struct) {
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if ($struct->classname === $structclass) {
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return $struct;
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}
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}
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return null;
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}
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/**
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* Searches the keys of the given external_single_structure object if it contains a certain property name.
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*
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* @param external_single_structure $keydesc
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* @param string $propertyname The property name to be searched for.
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* @return bool True if the property name is found in $keydesc. False, otherwise.
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*/
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private function in_keydesc(external_single_structure $keydesc, $propertyname) {
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foreach ($keydesc->keys as $key => $desc) {
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if ($key === $propertyname) {
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return true;
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}
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}
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return false;
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}
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}
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/**
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* Class webservice_dummy.
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*
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* Dummy webservice class for testing the webservice_base_server class and enable us to expose variables we want to test.
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*
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* @package core_webservice
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* @category test
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* @copyright 2016 Jun Pataleta <jun@moodle.com>
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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 webservice_dummy extends webservice_base_server {
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/**
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* webservice_dummy constructor.
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*
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* @param int $authmethod The authentication method.
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*/
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public function __construct($authmethod) {
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parent::__construct($authmethod);
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// Arbitrarily naming this as REST in order not to have to register another WS protocol and set capabilities.
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$this->wsname = 'rest';
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}
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/**
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* Token setter method.
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*
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* @param string $token The web service token.
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*/
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public function set_token($token) {
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$this->token = $token;
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}
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/**
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* This method parses the request input, it needs to get:
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* 1/ user authentication - username+password or token
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* 2/ function name
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* 3/ function parameters
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*/
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protected function parse_request() {
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// Just a method stub. No need to implement at the moment since it's not really being used for this test case for now.
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}
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/**
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* Send the result of function call to the WS client.
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*/
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protected function send_response() {
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// Just a method stub. No need to implement at the moment since it's not really being used for this test case for now.
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}
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/**
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* Send the error information to the WS client.
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*
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* @param exception $ex
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*/
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protected function send_error($ex = null) {
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// Just a method stub. No need to implement at the moment since it's not really being used for this test case for now.
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}
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/**
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* run() method implementation.
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*/
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public function run() {
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$this->authenticate_user();
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$this->init_service_class();
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}
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/**
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* Getter method of servicemethods array.
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*
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* @return array
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*/
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public function get_service_methods() {
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return $this->servicemethods;
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}
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/**
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* Getter method of servicestructs array.
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*
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* @return array
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*/
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public function get_service_structs() {
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return $this->servicestructs;
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}
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}
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