/**
* Test add_rating
*/
public function test_add_rating()
{
$this->setUser($this->teacher1);
// First rating of 50.
$rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, 50, $this->student1->id, RATING_AGGREGATE_AVERAGE);
// We need to execute the return values cleaning process to simulate the web service server.
$rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);
$this->assertTrue($rating['success']);
$this->assertEquals(50, $rating['aggregate']);
$this->assertEquals(1, $rating['count']);
// New different rate (it will replace the existing one).
$rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, 100, $this->student1->id, RATING_AGGREGATE_AVERAGE);
$rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);
$this->assertTrue($rating['success']);
$this->assertEquals(100, $rating['aggregate']);
$this->assertEquals(1, $rating['count']);
// Rate as other user.
$this->setUser($this->teacher2);
$rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, 50, $this->student1->id, RATING_AGGREGATE_AVERAGE);
$rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);
$this->assertEquals(75, $rating['aggregate']);
$this->assertEquals(2, $rating['count']);
// Try to rate my own post.
$this->setUser($this->student1);
$this->expectException('moodle_exception');
$this->expectExceptionMessage(get_string('ratepermissiondenied', 'rating'));
$rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, 100, $this->student1->id, RATING_AGGREGATE_AVERAGE);
}
