测试php函数的方法

/**
* 参数数组$ParamList说明
*
* 数组的第一维索引是需要测试的函数的参数名，第二维的每个元素是该参数需要测试的可能值，元素值可以为数组。
*/
$ParamList = array("Param1" => array(3,4,3,2,1),
"Param2" => array(3,5),
"Param3" => array(0,0.5,1,1.5));
// 测试函数
sysTestFunction("Test",$ParamList);

// 待测试的函数
function Test($Param1,$Param2,$Param3)
{
return $Param1 . "|" . $Param2 . "|" . $Param3;
}

/**
* 自动测试
*
* @param string $FunctionName 函数名称
* @param array $ParamList 参数列表
* @return array
*/
function sysTestFunction($FunctionName,$ParamList)
{
if(empty($FunctionName))
{
echo "函数名不能为空";
return false;
}
if(!is_array(current($ParamList)))
{
echo "参数不是2维数组";
return false;
}
$TestParamList = sysCombineArray($ParamList);
echo "开始测试函数" . $FunctionName . "
";
foreach($TestParamList as $Key => $TestParamInfo)
{
echo "开始测试第" . $Key . "组参数：
";
foreach($TestParamInfo as $ParamKey => $Param)
{
${"Param" . $ParamKey} = $Param;
$TempParamList[] = "$Param" . $ParamKey;
if(is_array($Param))
{
echo "参数" . $ParamKey . "，类型为数组：";
echo "

";
 print_r($Param);
 }
 elseif(is_bool($Param))
 {
 echo "参数" . $ParamKey . "，类型为boll：";
 if($Param)
 {
 echo "true";
 }
 else
 {
 echo "false";
 }
 }
 else
 {
 echo "参数" . $ParamKey . "，类型为字符串或数字：";
 echo $Param;
 }
 echo "
";
 }
 $Params = join(",",$TempParamList);
 unset($TempParamList);
 eval("$TestReturnResult = " . $FunctionName . "(" . $Params . ");");
 if(is_array($TestReturnResult))
 {
 echo "函数返回数组：
";
 print_r($TestReturnResult);
 }
 elseif(is_bool($TestReturnResult))
 {
 if($TestReturnResult)
 {
 echo "函数返回true";
 }
 else
 {
 echo "函数返回false";
 }
 }
 else
 {
 echo "函数返回数字或字符串：" . $TestReturnResult;
 }
 echo "

";
 }
}
/**
* 计算组合的函数
*
* @param array $CombinList 待排列组合的2维数组
* @return array 组合后的数组
*/
function sysCombineArray($CombinList)
{
 if(!is_array(current($CombinList)))
 {
 echo "参数不是2维数组";
 return false;
 }
 /* 计算C(a,1) * C(b,1) * ... * C(n,1)的值 */
 $CombineCount = 1;
 foreach($CombinList as $Key => $Value)
 {
 $CombineCount *= count($Value);
 }
 $RepeatTime = $CombineCount;
 foreach($CombinList as $ClassNo => $ParamList)
 {
 // $ParamList中的元素在拆分成组合后纵向出现的最大重复次数
 $RepeatTime = $RepeatTime / count($ParamList);
 $StartPosition = 1;
 foreach($ParamList as $Param)
 {
 $TempStartPosition = $StartPosition;
 $SpaceCount = $CombineCount / count($ParamList) / $RepeatTime;
 for($J = 1; $J <= $SpaceCount; $J ++)
 {
 for($I = 0; $I < $RepeatTime; $I ++)
 {
 $Result[$TempStartPosition + $I][$ClassNo] = $Param;
 }
 $TempStartPosition += $RepeatTime * count($ParamList);
 }
 $StartPosition += $RepeatTime;
 }
 }
 return $Result;
}
?>