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<?php
/**
*
* Mock version of the PDOStatement class.
*
*/
class DummyPDOStatement extends PDOStatement {
private $current_row = 0;
/**
* Return some dummy data
*/
public function fetch($fetch_style=PDO::FETCH_BOTH, $cursor_orientation=PDO::FETCH_ORI_NEXT, $cursor_offset=0) {
if ($this->current_row == 5) {
return false;
} else {
$this->current_row++;
return array('name' => 'Fred', 'age' => 10, 'id' => '1');
}
}
}
/**
*
* Mock database class implementing a subset
* of the PDO API.
*
*/
class DummyPDO extends PDO {
/**
* Return a dummy PDO statement
*/
public function prepare($statement, $driver_options=array()) {
$this->last_query = new DummyPDOStatement($statement);
return $this->last_query;
}
}
/**
*
* Class to provide simple testing functionality
*
*/
class Tester {
private static $passed_tests = array();
private static $failed_tests = array();
private static $db;
private static $term_colours = array(
'BLACK' => "30",
'RED' => "31",
'GREEN' => "32",
'DEFAULT' => "00",
);
/**
* Format a line for printing. Detects
* if the script is being run from the command
* line or from a browser.
*
* Colouring code loosely based on
* http://www.zend.com//code/codex.php?ozid=1112&single=1
*/
private static function format_line($line, $colour='DEFAULT') {
if (isset($_SERVER['HTTP_USER_AGENT'])) {
$colour = strtolower($colour);
return "<p style=\"color: $colour;\">$line</p>\n";
} else {
$colour = self::$term_colours[$colour];
return chr(27) . "[0;{$colour}m{$line}" . chr(27) . "[00m\n";
}
}
/**
* Report a passed test
*/
private static function report_pass($test_name) {
echo self::format_line("PASS: $test_name", 'GREEN');
self::$passed_tests[] = $test_name;
}
/**
* Report a failed test
*/
private static function report_failure($test_name, $expected, $actual) {
echo self::format_line("FAIL: $test_name", 'RED');
echo self::format_line("Expected: $expected", 'RED');
echo self::format_line("Actual: $actual", 'RED');
self::$failed_tests[] = $test_name;
}
/**
* Print a summary of passed and failed test counts
*/
public static function report() {
$passed_count = count(self::$passed_tests);
$failed_count = count(self::$failed_tests);
echo self::format_line('');
echo self::format_line("$passed_count tests passed. $failed_count tests failed.");
if ($failed_count != 0) {
echo self::format_line("Failed tests: " . join(", ", self::$failed_tests));
}
}
/**
* Check the provided string is equal to the last
* query generated by the dummy database class.
*/
public static function check_equal($test_name, $query) {
$last_query = ORM::get_last_query();
if ($query === $last_query) {
self::report_pass($test_name);
} else {
self::report_failure($test_name, $query, $last_query);
}
}
}
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