%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Nette Tester.
* Copyright (c) 2009 David Grudl (https://davidgrudl.com)
*/
namespace Tester;
/**
* Data provider helpers.
*/
class DataProvider
{
/**
* @param string path to data provider file
* @param string filtering condition
* @return array
* @throws \Exception
*/
public static function load($file, $query = '')
{
if (!is_file($file)) {
throw new \Exception("Missing data-provider file '$file'.");
}
if (pathinfo($file, PATHINFO_EXTENSION) === 'php') {
$data = call_user_func(function () {
return require func_get_arg(0);
}, realpath($file));
if ($data instanceof \Traversable) {
$data = iterator_to_array($data);
} elseif (!is_array($data)) {
throw new \Exception("Data provider file '$file' did not return array or Traversable.");
}
} else {
$data = @parse_ini_file($file, true); // @ is escalated to exception
if ($data === false) {
throw new \Exception("Cannot parse data-provider file '$file'.");
}
}
foreach ($data as $key => $value) {
if (!self::testQuery($key, $query)) {
unset($data[$key]);
}
}
if (!$data) {
throw new \Exception("No records in data-provider file '$file'" . ($query ? " for query '$query'" : '') . '.');
}
return $data;
}
/**
* @param string tested subject
* @param string condition
* @return bool
*/
public static function testQuery($input, $query)
{
static $replaces = ['' => '=', '=>' => '>=', '=<' => '<='];
$tokens = preg_split('#\s+#', $input);
preg_match_all('#\s*,?\s*(<=|=<|<|==|=|!=|<>|>=|=>|>)?\s*([^\s,]+)#A', $query, $queryParts, PREG_SET_ORDER);
foreach ($queryParts as list(, $operator, $operand)) {
$operator = isset($replaces[$operator]) ? $replaces[$operator] : $operator;
$token = (string) array_shift($tokens);
$res = preg_match('#^[0-9.]+\z#', $token)
? version_compare($token, $operand, $operator)
: self::compare($token, $operator, $operand);
if (!$res) {
return false;
}
}
return true;
}
private static function compare($l, $operator, $r)
{
switch ($operator) {
case '>':
return $l > $r;
case '=>':
case '>=':
return $l >= $r;
case '<':
return $l < $r;
case '=<':
case '<=':
return $l <= $r;
case '=':
case '==':
return $l == $r;
case '!':
case '!=':
case '<>':
return $l != $r;
}
throw new \InvalidArgumentException("Unknown operator $operator.");
}
/**
* @internal
* @param string
* @param string
* @return array
* @throws \Exception
*/
public static function parseAnnotation($annotation, $file)
{
if (!preg_match('#^(\??)\s*([^,\s]+)\s*,?\s*(\S.*)?()#', $annotation, $m)) {
throw new \Exception("Invalid @dataProvider value '$annotation'.");
}
return [dirname($file) . DIRECTORY_SEPARATOR . $m[2], $m[3], (bool) $m[1]];
}
}
Zerion Mini Shell 1.0