From f2599eb8950c8dae288121ac85cc8afafaa198ca Mon Sep 17 00:00:00 2001 From: Jun Pataleta Date: Tue, 16 Feb 2021 02:20:45 +0800 Subject: [PATCH] MDL-70815 mod_choice: Unit tests for the custom completion class --- mod/choice/tests/custom_completion_test.php | 209 ++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100644 mod/choice/tests/custom_completion_test.php diff --git a/mod/choice/tests/custom_completion_test.php b/mod/choice/tests/custom_completion_test.php new file mode 100644 index 00000000000..0de6b5ebf02 --- /dev/null +++ b/mod/choice/tests/custom_completion_test.php @@ -0,0 +1,209 @@ +. + +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 + * @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) { + 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() { + $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() { + // 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() { + // 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) { + $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()); + } +}