Proyectos de Subversion Moodle

<?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/>.

declare(strict_types = 1);

namespace mod_choice;

use advanced_testcase;

use cm_info;

use coding_exception;

use mod_choice\completion\custom_completion;

use moodle_exception;

defined('MOODLE_INTERNAL') || die();

global $CFG;

require_once($CFG->libdir . '/completionlib.php');

/**

 * Class for unit testing mod_choice/custom_completion.

 *

 * @package   mod_choice

 * @copyright 2021 Jun Pataleta <jun@moodle.com>

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class custom_completion_test extends advanced_testcase {

    /**

     * Data provider for get_state().

     *

     * @return array[]

     */

    public function get_state_provider(): array {

        return [

            'Undefined rule' => [

                'somenonexistentrule', COMPLETION_DISABLED, false, null, coding_exception::class

            ],

            'Rule not available' => [

                'completionsubmit', COMPLETION_DISABLED, false, null, moodle_exception::class

            ],

            'Rule available, user has not submitted' => [

                'completionsubmit', COMPLETION_ENABLED, false, COMPLETION_INCOMPLETE, null

            ],

            'Rule available, user has submitted' => [

                'completionsubmit', COMPLETION_ENABLED, true, COMPLETION_COMPLETE, null

            ],

        ];

    }

    /**

     * Test for get_state().

     *

     * @dataProvider get_state_provider

     * @param string $rule The custom completion rule.

     * @param int $available Whether this rule is available.

     * @param bool $submitted Whether the user has made a choice.

     * @param int|null $status Expected status.

     * @param string|null $exception Expected exception.

     */

    public function test_get_state(string $rule, int $available, ?bool $submitted, ?int $status, ?string $exception): void {

        global $DB;

        if (!is_null($exception)) {

            $this->expectException($exception);

        }

        // Custom completion rule data for cm_info::customdata.

        $customdataval = [

            'customcompletionrules' => [

                $rule => $available

            ]

        ];

        // Build a mock cm_info instance.

        $mockcminfo = $this->getMockBuilder(cm_info::class)

            ->disableOriginalConstructor()

            ->onlyMethods(['__get'])

            ->getMock();

        // Mock the return of the magic getter method when fetching the cm_info object's customdata and instance values.

        $mockcminfo->expects($this->any())

            ->method('__get')

            ->will($this->returnValueMap([

                ['customdata', $customdataval],

                ['instance', 1],

            ]));

        // Mock the DB calls.

        $DB = $this->createMock(get_class($DB));

        $DB->expects($this->atMost(1))

            ->method('record_exists')

            ->willReturn($submitted);

        $customcompletion = new custom_completion($mockcminfo, 2);

        $this->assertEquals($status, $customcompletion->get_state($rule));

    }

    /**

     * Test for get_defined_custom_rules().

     */

    public function test_get_defined_custom_rules(): void {

        $rules = custom_completion::get_defined_custom_rules();

        $this->assertCount(1, $rules);

        $this->assertEquals('completionsubmit', reset($rules));

    }

    /**

     * Test for get_defined_custom_rule_descriptions().

     */

    public function test_get_custom_rule_descriptions(): void {

        // Get defined custom rules.

        $rules = custom_completion::get_defined_custom_rules();

        // Build a mock cm_info instance.

        $mockcminfo = $this->getMockBuilder(cm_info::class)

            ->disableOriginalConstructor()

            ->onlyMethods(['__get'])

            ->getMock();

        // Instantiate a custom_completion object using the mocked cm_info.

        $customcompletion = new custom_completion($mockcminfo, 1);

        // Get custom rule descriptions.

        $ruledescriptions = $customcompletion->get_custom_rule_descriptions();

        // Confirm that defined rules and rule descriptions are consistent with each other.

        $this->assertEquals(count($rules), count($ruledescriptions));

        foreach ($rules as $rule) {

            $this->assertArrayHasKey($rule, $ruledescriptions);

        }

    }

    /**

     * Test for is_defined().

     */

    public function test_is_defined(): void {

        // Build a mock cm_info instance.

        $mockcminfo = $this->getMockBuilder(cm_info::class)

            ->disableOriginalConstructor()

            ->getMock();

        $customcompletion = new custom_completion($mockcminfo, 1);

        // Rule is defined.

        $this->assertTrue($customcompletion->is_defined('completionsubmit'));

        // Undefined rule.

        $this->assertFalse($customcompletion->is_defined('somerandomrule'));

    }

    /**

     * Data provider for test_get_available_custom_rules().

     *

     * @return array[]

     */

    public function get_available_custom_rules_provider(): array {

        return [

            'Completion submit available' => [

                COMPLETION_ENABLED, ['completionsubmit']

            ],

            'Completion submit not available' => [

                COMPLETION_DISABLED, []

            ],

        ];

    }

    /**

     * Test for get_available_custom_rules().

     *

     * @dataProvider get_available_custom_rules_provider

     * @param int $status

     * @param array $expected

     */

    public function test_get_available_custom_rules(int $status, array $expected): void {

        $customdataval = [

            'customcompletionrules' => [

                'completionsubmit' => $status

            ]

        ];

        // Build a mock cm_info instance.

        $mockcminfo = $this->getMockBuilder(cm_info::class)

            ->disableOriginalConstructor()

            ->onlyMethods(['__get'])

            ->getMock();

        // Mock the return of magic getter for the customdata attribute.

        $mockcminfo->expects($this->any())

            ->method('__get')

            ->with('customdata')

            ->willReturn($customdataval);

        $customcompletion = new custom_completion($mockcminfo, 1);

        $this->assertEquals($expected, $customcompletion->get_available_custom_rules());

    }

}