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MDL-27859 tags: unit test for tag cleanup

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Marina Glancy 2015-08-16 19:52:27 +08:00
parent a196f37088
commit 46f708ea17
1 changed files with 69 additions and 0 deletions
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69
tag/tests/taglib_test.php
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@ -352,4 +352,73 @@ class core_tag_taglib_testcase extends advanced_testcase {
$correlatedtag = reset($correlatedtags);
$this->assertEquals(array_keys((array)$relatedtag), array_keys((array)$correlatedtag));
}
/**
* Test for function tag_cleanup() that is part of tag cron
*/
public function test_cleanup() {
global $DB;
$user = $this->getDataGenerator()->create_user();
// Setting tags will create non-official tags 'cat', 'dog' and 'fish'.
tag_set('user', $user->id, array('cat', 'dog', 'fish'),
'core', context_user::instance($user->id)->id);
$this->assertTrue($DB->record_exists('tag', array('name' => 'cat')));
$this->assertTrue($DB->record_exists('tag', array('name' => 'dog')));
$this->assertTrue($DB->record_exists('tag', array('name' => 'fish')));
// Make tag 'dog' official.
$dogtag = tag_get('name', 'dog');
$fishtag = tag_get('name', 'fish');
tag_type_set($dogtag->id, 'official');
// Manually remove the instances pointing on tags 'dog' and 'fish'.
$DB->execute('DELETE FROM {tag_instance} WHERE tagid in (?,?)', array($dogtag->id, $fishtag->id));
// Call tag_cleanup().
tag_cleanup();
// Tag 'cat' is still present because it's used. Tag 'dog' is present because it's official.
// Tag 'fish' was removed because it is not official and it is no longer used by anybody.
$this->assertTrue($DB->record_exists('tag', array('name' => 'cat')));
$this->assertTrue($DB->record_exists('tag', array('name' => 'dog')));
$this->assertFalse($DB->record_exists('tag', array('name' => 'fish')));
// Delete user without using API function.
$DB->update_record('user', array('id' => $user->id, 'deleted' => 1));
// Call tag_cleanup().
tag_cleanup();
// Tag 'cat' was now deleted too.
$this->assertFalse($DB->record_exists('tag', array('name' => 'cat')));
// Assign tag to non-existing record. Make sure tag was created in the DB.
tag_set('course', 1231231, array('bird'), 'core', context_system::instance()->id);
$this->assertTrue($DB->record_exists('tag', array('name' => 'bird')));
// Call tag_cleanup().
tag_cleanup();
// Tag 'bird' was now deleted because the related record does not exist in the DB.
$this->assertFalse($DB->record_exists('tag', array('name' => 'bird')));
// Now we have a tag instance pointing on 'sometag' tag.
$user = $this->getDataGenerator()->create_user();
tag_set('user', $user->id, array('sometag'),
'core', context_user::instance($user->id)->id);
$sometag = tag_get('name', 'sometag');
$this->assertTrue($DB->record_exists('tag_instance', array('tagid' => $sometag->id)));
// Some hacker removes the tag without using API.
$DB->delete_records('tag', array('id' => $sometag->id));
// Call tag_cleanup().
tag_cleanup();
// The tag instances were also removed.
$this->assertFalse($DB->record_exists('tag_instance', array('tagid' => $sometag->id)));
}
}