create-test.php

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#!/usr/bin/env php
<?php
 
/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | https://www.php.net/license/3_01.txt                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Bob Weinand <bwoebi@php.net>                                |
   +----------------------------------------------------------------------+
*/
 
#####
## This is just a helper for intercepting stdin/stdout and the file and create a half-finished test.
## The output still may need adapting to match file names etc.
#####
 
error_reporting(-1);
 
$phpdbg = getenv('TEST_PHPDBG_EXECUTABLE') ?: null;
$pass_options = ' -qbI -n -d "error_reporting=32767" -d "display_errors=1" -d "display_startup_errors=1" -d "log_errors=0"';
$file = "";
$cmdargv = "";
 
if (isset($argc) && $argc > 1) {
    $post_ddash = false;
    for ($i = 1; $i < $argc; $i++) {
        if ($argv[$i][0] == "-" && !$post_ddash) {
            switch (substr($argv[$i], 1)) {
                case "p":
                    $phpdbg = $argv[++$i];
                    break;
                case "n":
                    $pass_options .= " -n";
                    break;
                case "d":
                    $pass_options .= " -d ".escapeshellarg($argv[++$i]);
                    $ini[] = $argv[$i];
                    break;
                case "-":
                    $post_ddash = true;
                    break;
            }
        } else {
            $real_argv[] = $argv[$i];
        }
    }
    if (isset($real_argv[0])) {
        $file = realpath($real_argv[0]);
        $cmdargv = implode(" ", array_map("escapeshellarg", array_slice($real_argv, 1)));
    }
}
 
$proc = proc_open("$phpdbg $pass_options $file -- $cmdargv", [["pipe", "r"], ["pipe", "w"], ["pipe", "w"]], $pipes);
if (!$proc) {
    die("Couldn't start phpdbg\n");
}
 
$input = $output = "";
 
stream_set_blocking(STDIN, false);
 
do {
    $r = [$pipes[1], STDIN];
    $w = $e = null;
    $n = @stream_select($r, $w, $e, null);
 
    if ($n > 0) {
        if ("" != $in = fread(STDIN, 1024)) {
            $input .= $in;
            fwrite($pipes[0], $in);
            continue;
        }
 
        if (feof(STDIN)) {
            die("stdin closed?!\n");
        }
 
        if (feof($pipes[1])) {
            $n = false;
        } else {
            $output .= $c = fgetc($pipes[1]);
            echo $c;
        }
    }
} while ($n !== false);
 
stream_set_blocking(STDIN, true);
 
print "\n";
if (!isset($name)) {
    print "Specify the test description: ";
    $desc = trim(fgets(STDIN));
}
while (!isset($testfile)) {
    print "Specify the test file name (leave empty to write to stderr): ";
    $testfile = trim(fgets(STDIN));
    if ($testfile != "" && file_exists($testfile)) {
        print "That file already exists. Type y or yes to overwrite: ";
        $y = trim(fgets(STDIN));
        if ($y !== "y" && $y !== "yes") {
            unset($testfile);
        }
    }
}
 
$output = str_replace("string(".strlen($file).") \"$file\"", 'string(%d) "%s"', $output);
$output = str_replace($file, "%s", $output);
$input = trim($input);
 
$testdata = <<<TEST
--TEST--
$desc
--PHPDBG--
$input
--EXPECTF--
$output
TEST;
 
if (!empty($ini)) {
    $testdata .= "\n--INI--\n".implode("\n", $ini);
}
if ($cmdargv != "") {
    $testdata .= "\n--ARGS--\n$cmdargv";
}
if ($file != "") {
    $testdata .= "\n--FILE--\n".file_get_contents($file);
}
 
if ($testfile == "") {
    print "\n";
} elseif (file_put_contents($testfile, $testdata)) {
    print "Test saved to $testfile\n";
} else {
    print "The test could not be saved to $testfile; outputting on stderr now\n";
    $testfile = "";
}
 
if ($testfile == "") {
    fwrite(STDERR, $testdata);
}