/**
* Test delete_cohort_members
*/
public function test_delete_cohort_members()
{
global $DB;
$this->resetAfterTest(true);
// Reset all changes automatically after this test.
$cohort1 = self::getDataGenerator()->create_cohort();
$user1 = self::getDataGenerator()->create_user();
$cohort2 = self::getDataGenerator()->create_cohort();
$user2 = self::getDataGenerator()->create_user();
$context = context_system::instance();
$roleid = $this->assignUserCapability('moodle/cohort:assign', $context->id);
$cohortaddmember1 = array('cohorttype' => array('type' => 'id', 'value' => $cohort1->id), 'usertype' => array('type' => 'id', 'value' => $user1->id));
$cohortmembers1 = core_cohort_external::add_cohort_members(array($cohortaddmember1));
$cohortmembers1 = external_api::clean_returnvalue(core_cohort_external::add_cohort_members_returns(), $cohortmembers1);
$cohortaddmember2 = array('cohorttype' => array('type' => 'id', 'value' => $cohort2->id), 'usertype' => array('type' => 'id', 'value' => $user2->id));
$cohortmembers2 = core_cohort_external::add_cohort_members(array($cohortaddmember2));
$cohortmembers2 = external_api::clean_returnvalue(core_cohort_external::add_cohort_members_returns(), $cohortmembers2);
// Check we retrieve no cohorts + no error on capability.
$this->assertEquals(2, $DB->count_records_select('cohort_members', ' ((cohortid = :idcohort1 AND userid = :iduser1)
OR (cohortid = :idcohort2 AND userid = :iduser2))', array('idcohort1' => $cohort1->id, 'iduser1' => $user1->id, 'idcohort2' => $cohort2->id, 'iduser2' => $user2->id)));
// Call the external function.
$cohortdel1 = array('cohortid' => $cohort1->id, 'userid' => $user1->id);
$cohortdel2 = array('cohortid' => $cohort2->id, 'userid' => $user2->id);
core_cohort_external::delete_cohort_members(array($cohortdel1, $cohortdel2));
// Check we retrieve no cohorts + no error on capability.
$this->assertEquals(0, $DB->count_records_select('cohort_members', ' ((cohortid = :idcohort1 AND userid = :iduser1)
OR (cohortid = :idcohort2 AND userid = :iduser2))', array('idcohort1' => $cohort1->id, 'iduser1' => $user1->id, 'idcohort2' => $cohort2->id, 'iduser2' => $user2->id)));
// Call without required capability.
$this->unassignUserCapability('moodle/cohort:assign', $context->id, $roleid);
$this->setExpectedException('required_capability_exception');
core_cohort_external::delete_cohort_members(array($cohortdel1, $cohortdel2));
}
