/**
* Test view_book
*/
public function test_view_book() {
global $DB;
$this->resetAfterTest(true);
$this->setAdminUser();
// Setup test data.
$course = $this->getDataGenerator()->create_course();
$book = $this->getDataGenerator()->create_module('book', array('course' => $course->id));
$bookgenerator = $this->getDataGenerator()->get_plugin_generator('mod_book');
$chapter = $bookgenerator->create_chapter(array('bookid' => $book->id));
$chapterhidden = $bookgenerator->create_chapter(array('bookid' => $book->id, 'hidden' => 1));
$context = context_module::instance($book->cmid);
$cm = get_coursemodule_from_instance('book', $book->id);
// Test invalid instance id.
try {
mod_book_external::view_book(0);
$this->fail('Exception expected due to invalid mod_book instance id.');
} catch (moodle_exception $e) {
$this->assertEquals('invalidrecord', $e->errorcode);
}
// Test not-enrolled user.
$user = self::getDataGenerator()->create_user();
$this->setUser($user);
try {
mod_book_external::view_book($book->id, 0);
$this->fail('Exception expected due to not enrolled user.');
} catch (moodle_exception $e) {
$this->assertEquals('requireloginerror', $e->errorcode);
}
// Test user with full capabilities.
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);
// Trigger and capture the event.
$sink = $this->redirectEvents();
$result = mod_book_external::view_book($book->id, 0);
$result = external_api::clean_returnvalue(mod_book_external::view_book_returns(), $result);
$events = $sink->get_events();
$this->assertCount(2, $events);
$event = array_shift($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\mod_book\event\course_module_viewed', $event);
$this->assertEquals($context, $event->get_context());
$moodleurl = new \moodle_url('/mod/book/view.php', array('id' => $cm->id));
$this->assertEquals($moodleurl, $event->get_url());
$this->assertEventContextNotUsed($event);
$this->assertNotEmpty($event->get_name());
$event = array_shift($events);
$this->assertInstanceOf('\mod_book\event\chapter_viewed', $event);
$this->assertEquals($chapter->id, $event->objectid);
$result = mod_book_external::view_book($book->id, $chapter->id);
$result = external_api::clean_returnvalue(mod_book_external::view_book_returns(), $result);
$events = $sink->get_events();
// We expect a total of 3 events.
$this->assertCount(3, $events);
// Try to view a hidden chapter.
try {
mod_book_external::view_book($book->id, $chapterhidden->id);
$this->fail('Exception expected due to missing capability.');
} catch (moodle_exception $e) {
$this->assertEquals('errorchapter', $e->errorcode);
}
// Test user with no capabilities.
// We need a explicit prohibit since this capability is only defined in authenticated user and guest roles.
assign_capability('mod/book:read', CAP_PROHIBIT, $studentrole->id, $context->id);
accesslib_clear_all_caches_for_unit_testing();
try {
mod_book_external::view_book($book->id, 0);
$this->fail('Exception expected due to missing capability.');
} catch (moodle_exception $e) {
$this->assertEquals('nopermissions', $e->errorcode);
}
}
