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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package core_backup
* @category phpunit
* @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
// Include all the needed stuff
global $CFG;
require_once($CFG->dirroot . '/backup/util/interfaces/checksumable.class.php');
require_once($CFG->dirroot . '/backup/backup.class.php');
require_once($CFG->dirroot . '/backup/util/loggers/base_logger.class.php');
require_once($CFG->dirroot . '/backup/util/loggers/error_log_logger.class.php');
require_once($CFG->dirroot . '/backup/util/loggers/output_text_logger.class.php');
require_once($CFG->dirroot . '/backup/util/loggers/output_indented_logger.class.php');
require_once($CFG->dirroot . '/backup/util/loggers/database_logger.class.php');
require_once($CFG->dirroot . '/backup/util/loggers/file_logger.class.php');
/**
* logger tests (all)
*/
class backup_logger_testcase extends basic_testcase {
/**
* test base_logger class
*/
function test_base_logger() {
// Test logger with simple action (message * level)
$lo = new mock_base_logger1(backup::LOG_ERROR);
$msg = 13;
$this->assertEquals($lo->process($msg, backup::LOG_ERROR), $msg * backup::LOG_ERROR);
// With lowest level must return true
$lo = new mock_base_logger1(backup::LOG_ERROR);
$msg = 13;
$this->assertTrue($lo->process($msg, backup::LOG_DEBUG));
// Chain 2 loggers, we must get as result the result of the inner one
$lo1 = new mock_base_logger1(backup::LOG_ERROR);
$lo2 = new mock_base_logger2(backup::LOG_ERROR);
$lo1->set_next($lo2);
$msg = 13;
$this->assertEquals($lo1->process($msg, backup::LOG_ERROR), $msg + backup::LOG_ERROR);
// Try circular reference
$lo1 = new mock_base_logger1(backup::LOG_ERROR);
try {
$lo1->set_next($lo1); //self
$this->assertTrue(false, 'base_logger_exception expected');
} catch (exception $e) {
$this->assertTrue($e instanceof base_logger_exception);
$this->assertEquals($e->errorcode, 'logger_circular_reference');
$this->assertTrue($e->a instanceof stdclass);
$this->assertEquals($e->a->main, get_class($lo1));
$this->assertEquals($e->a->alreadyinchain, get_class($lo1));
}
$lo1 = new mock_base_logger1(backup::LOG_ERROR);
$lo2 = new mock_base_logger2(backup::LOG_ERROR);
$lo3 = new mock_base_logger3(backup::LOG_ERROR);
$lo1->set_next($lo2);
$lo2->set_next($lo3);
try {
$lo3->set_next($lo1);
$this->assertTrue(false, 'base_logger_exception expected');
} catch (exception $e) {
$this->assertTrue($e instanceof base_logger_exception);
$this->assertEquals($e->errorcode, 'logger_circular_reference');
$this->assertTrue($e->a instanceof stdclass);
$this->assertEquals($e->a->main, get_class($lo1));
$this->assertEquals($e->a->alreadyinchain, get_class($lo3));
}
// Test stopper logger
$lo1 = new mock_base_logger1(backup::LOG_ERROR);
$lo2 = new mock_base_logger2(backup::LOG_ERROR);
$lo3 = new mock_base_logger3(backup::LOG_ERROR);
$lo1->set_next($lo2);
$lo2->set_next($lo3);
$msg = 13;
$this->assertFalse($lo1->process($msg, backup::LOG_ERROR));
// Test checksum correct
$lo1 = new mock_base_logger1(backup::LOG_ERROR);
$lo1->is_checksum_correct(get_class($lo1) . '-' . backup::LOG_ERROR);
// Test get_levelstr()
$lo1 = new mock_base_logger1(backup::LOG_ERROR);
$this->assertEquals($lo1->get_levelstr(backup::LOG_NONE), 'undefined');
$this->assertEquals($lo1->get_levelstr(backup::LOG_ERROR), 'error');
$this->assertEquals($lo1->get_levelstr(backup::LOG_WARNING), 'warn');
$this->assertEquals($lo1->get_levelstr(backup::LOG_INFO), 'info');
$this->assertEquals($lo1->get_levelstr(backup::LOG_DEBUG), 'debug');
// Test destroy.
$lo1 = new mock_base_logger1(backup::LOG_ERROR);
$lo2 = new mock_base_logger2(backup::LOG_ERROR);
$lo1->set_next($lo2);
$this->assertInstanceOf('base_logger', $lo1->get_next());
$this->assertNull($lo2->get_next());
$lo1->destroy();
$this->assertNull($lo1->get_next());
$this->assertNull($lo2->get_next());
}
/**
* test error_log_logger class
*/
function test_error_log_logger() {
// Not much really to test, just instantiate and execute, should return true
$lo = new error_log_logger(backup::LOG_ERROR);
$this->assertTrue($lo instanceof error_log_logger);
$message = 'This log exists because you have run Moodle unit tests: Ignore it';
$result = $lo->process($message, backup::LOG_ERROR);
$this->assertTrue($result);
}
/**
* test output_text_logger class
*/
function test_output_text_logger() {
// Instantiate without date nor level output
$lo = new output_text_logger(backup::LOG_ERROR);
$this->assertTrue($lo instanceof output_text_logger);
$message = 'testing output_text_logger';
ob_start(); // Capture output
$result = $lo->process($message, backup::LOG_ERROR);
$contents = ob_get_contents();
ob_end_clean(); // End capture and discard
$this->assertTrue($result);
$this->assertTrue(strpos($contents, $message) !== false);
// Instantiate with date and level output
$lo = new output_text_logger(backup::LOG_ERROR, true, true);
$this->assertTrue($lo instanceof output_text_logger);
$message = 'testing output_text_logger';
ob_start(); // Capture output
$result = $lo->process($message, backup::LOG_ERROR);
$contents = ob_get_contents();
ob_end_clean(); // End capture and discard
$this->assertTrue($result);
$this->assertTrue(strpos($contents,'[') === 0);
$this->assertTrue(strpos($contents,'[error]') !== false);
$this->assertTrue(strpos($contents, $message) !== false);
$this->assertTrue(substr_count($contents , '] ') >= 2);
}
/**
* test output_indented_logger class
*/
function test_output_indented_logger() {
// Instantiate without date nor level output
$options = array('depth' => 2);
$lo = new output_indented_logger(backup::LOG_ERROR);
$this->assertTrue($lo instanceof output_indented_logger);
$message = 'testing output_indented_logger';
ob_start(); // Capture output
$result = $lo->process($message, backup::LOG_ERROR, $options);
$contents = ob_get_contents();
ob_end_clean(); // End capture and discard
$this->assertTrue($result);
if (defined('STDOUT')) {
$check = ' ';
} else {
$check = '&nbsp;&nbsp;';
}
$this->assertTrue(strpos($contents, str_repeat($check, $options['depth']) . $message) !== false);
// Instantiate with date and level output
$options = array('depth' => 3);
$lo = new output_indented_logger(backup::LOG_ERROR, true, true);
$this->assertTrue($lo instanceof output_indented_logger);
$message = 'testing output_indented_logger';
ob_start(); // Capture output
$result = $lo->process($message, backup::LOG_ERROR, $options);
$contents = ob_get_contents();
ob_end_clean(); // End capture and discard
$this->assertTrue($result);
$this->assertTrue(strpos($contents,'[') === 0);
$this->assertTrue(strpos($contents,'[error]') !== false);
$this->assertTrue(strpos($contents, $message) !== false);
$this->assertTrue(substr_count($contents , '] ') >= 2);
if (defined('STDOUT')) {
$check = ' ';
} else {
$check = '&nbsp;&nbsp;';
}
$this->assertTrue(strpos($contents, str_repeat($check, $options['depth']) . $message) !== false);
}
/**
* test database_logger class
*/
function test_database_logger() {
// Instantiate with date and level output (and with specs from the global moodle "log" table so checks will pass
$now = time();
$datecol = 'time';
$levelcol = 'action';
$messagecol = 'info';
$logtable = 'log';
$columns = array('url' => 'http://127.0.0.1');
$loglevel = backup::LOG_ERROR;
$lo = new mock_database_logger(backup::LOG_ERROR, $datecol, $levelcol, $messagecol, $logtable, $columns);
$this->assertTrue($lo instanceof database_logger);
$message = 'testing database_logger';
$result = $lo->process($message, $loglevel);
// Check everything is ready to be inserted to DB
$this->assertEquals($result['table'], $logtable);
$this->assertTrue($result['columns'][$datecol] >= $now);
$this->assertEquals($result['columns'][$levelcol], $loglevel);
$this->assertEquals($result['columns'][$messagecol], $message);
$this->assertEquals($result['columns']['url'], $columns['url']);
}
/**
* test file_logger class
*/
function test_file_logger() {
global $CFG;
$file = $CFG->tempdir . '/test/test_file_logger.txt';
// Remove the test dir and any content
@remove_dir(dirname($file));
// Recreate test dir
if (!check_dir_exists(dirname($file), true, true)) {
throw new moodle_exception('error_creating_temp_dir', 'error', dirname($file));
}
// Instantiate with date and level output, and also use the depth option
$options = array('depth' => 3);
$lo1 = new file_logger(backup::LOG_ERROR, true, true, $file);
$this->assertTrue($lo1 instanceof file_logger);
$message1 = 'testing file_logger';
$result = $lo1->process($message1, backup::LOG_ERROR, $options);
$this->assertTrue($result);
// Another file_logger is going towrite there too without closing
$options = array();
$lo2 = new file_logger(backup::LOG_WARNING, true, true, $file);
$this->assertTrue($lo2 instanceof file_logger);
$message2 = 'testing file_logger2';
$result = $lo2->process($message2, backup::LOG_WARNING, $options);
$this->assertTrue($result);
// Destroy loggers.
$lo1->destroy();
$lo2->destroy();
// Load file results to analyze them
$fcontents = file_get_contents($file);
$acontents = explode(PHP_EOL, $fcontents); // Split by line
$this->assertTrue(strpos($acontents[0], $message1) !== false);
$this->assertTrue(strpos($acontents[0], '[error]') !== false);
$this->assertTrue(strpos($acontents[0], ' ') !== false);
$this->assertTrue(substr_count($acontents[0] , '] ') >= 2);
$this->assertTrue(strpos($acontents[1], $message2) !== false);
$this->assertTrue(strpos($acontents[1], '[warn]') !== false);
$this->assertTrue(strpos($acontents[1], ' ') === false);
$this->assertTrue(substr_count($acontents[1] , '] ') >= 2);
unlink($file); // delete file
// Try one html file
check_dir_exists($CFG->tempdir . '/test');
$file = $CFG->tempdir . '/test/test_file_logger.html';
$options = array('depth' => 1);
$lo = new file_logger(backup::LOG_ERROR, true, true, $file);
$this->assertTrue($lo instanceof file_logger);
$this->assertTrue(file_exists($file));
$message = 'testing file_logger';
$result = $lo->process($message, backup::LOG_ERROR, $options);
$lo->close(); // Closes logger.
// Get file contents and inspect them
$fcontents = file_get_contents($file);
$this->assertTrue($result);
$this->assertTrue(strpos($fcontents, $message) !== false);
$this->assertTrue(strpos($fcontents, '[error]') !== false);
$this->assertTrue(strpos($fcontents, '&nbsp;&nbsp;') !== false);
$this->assertTrue(substr_count($fcontents , '] ') >= 2);
unlink($file); // delete file
// Instantiate, write something, force deletion, try to write again
check_dir_exists($CFG->tempdir . '/test');
$file = $CFG->tempdir . '/test/test_file_logger.html';
$lo = new mock_file_logger(backup::LOG_ERROR, true, true, $file);
$this->assertTrue(file_exists($file));
$message = 'testing file_logger';
$result = $lo->process($message, backup::LOG_ERROR);
$lo->close();
$this->assertNull($lo->get_fhandle());
try {
$result = @$lo->process($message, backup::LOG_ERROR); // Try to write again
$this->assertTrue(false, 'base_logger_exception expected');
} catch (exception $e) {
$this->assertTrue($e instanceof base_logger_exception);
$this->assertEquals($e->errorcode, 'error_writing_file');
}
// Instantiate without file
try {
$lo = new file_logger(backup::LOG_WARNING, true, true, '');
$this->assertTrue(false, 'base_logger_exception expected');
} catch (exception $e) {
$this->assertTrue($e instanceof base_logger_exception);
$this->assertEquals($e->errorcode, 'missing_fullpath_parameter');
}
// Instantiate in (near) impossible path
$file = $CFG->tempdir . '/test_azby/test_file_logger.txt';
try {
$lo = new file_logger(backup::LOG_WARNING, true, true, $file);
$this->assertTrue(false, 'base_logger_exception expected');
} catch (exception $e) {
$this->assertTrue($e instanceof base_logger_exception);
$this->assertEquals($e->errorcode, 'file_not_writable');
$this->assertEquals($e->a, $file);
}
// Instantiate one file logger with level = backup::LOG_NONE
$file = $CFG->tempdir . '/test/test_file_logger.txt';
$lo = new file_logger(backup::LOG_NONE, true, true, $file);
$this->assertTrue($lo instanceof file_logger);
$this->assertFalse(file_exists($file));
$lo->close();
// Remove the test dir and any content
@remove_dir(dirname($file));
}
}
/**
* helper extended base_logger class that implements some methods for testing
* Simply return the product of message and level
*/
class mock_base_logger1 extends base_logger {
protected function action($message, $level, $options = null) {
return $message * $level; // Simply return that, for testing
}
public function get_levelstr($level) {
return parent::get_levelstr($level);
}
}
/**
* helper extended base_logger class that implements some methods for testing
* Simply return the sum of message and level
*/
class mock_base_logger2 extends base_logger {
protected function action($message, $level, $options = null) {
return $message + $level; // Simply return that, for testing
}
}
/**
* helper extended base_logger class that implements some methods for testing
* Simply return 8
*/
class mock_base_logger3 extends base_logger {
protected function action($message, $level, $options = null) {
return false; // Simply return false, for testing stopper
}
}
/**
* helper extended database_logger class that implements some methods for testing
* Returns the complete info that normally will be used by insert record calls
*/
class mock_database_logger extends database_logger {
protected function insert_log_record($table, $columns) {
return array('table' => $table, 'columns' => $columns);
}
}
/**
* helper extended file_logger class that implements some methods for testing
* Returns the, usually protected, handle
*/
class mock_file_logger extends file_logger {
function get_fhandle() {
return $this->fhandle;
}
}