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phorge/support/startup/__tests__/PreambleUtilsTestCase.php
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PreambleUtilsTestCase.php
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#!/usr/bin/env php
<?php
/**
* /startup/ is not a Phutil library, so it can't use the phutil test fixture.
* This script will just run the tests directly.
*
* NOTE: This test file will not run as part of `arc unit` run!
*/
final class PreambleUtilsTestCase {
public function testTrustXForwardValues() {
// For specific values of `$_SERVER['HTTP_X_FORWARDED_FOR']`,
// `$_SERVER['REMOTE_ADDR']` will be updated with the result.
$undefined = 'SPECIAL::UNDEFINED';
$null_value = 'SPECIAL::NULL';
$test_cases = array(
'abc' => 'abc',
$null_value => $undefined,
'' => $undefined,
// Strange, unexpected cases:
144 => '144',
);
foreach ($test_cases as $input => $expected) {
switch ($input) {
case $undefined:
unset($_SERVER['HTTP_X_FORWARDED_FOR']);
break;
case $null_value:
$_SERVER['HTTP_X_FORWARDED_FOR'] = null;
break;
default:
$_SERVER['HTTP_X_FORWARDED_FOR'] = $input;
break;
}
unset($_SERVER['REMOTE_ADDR']);
preamble_trust_x_forwarded_for_header();
if (!isset($_SERVER['REMOTE_ADDR'])) {
if ($expected === $undefined) {
// test pass
continue;
} else {
$this->failTest("Failed for input {$input} - result is not defined!");
}
}
$actual = $_SERVER['REMOTE_ADDR'];
if ($actual !== $expected) {
var_dump($actual);
$this->failTest(
"Failed for input {$input} - actual output is {$actual}");
}
}
}
private function failTest($message = null) {
echo $message;
echo "\n";
throw new Exception();
}
/**
* Run all tests in this class.
*
* Return: True if all tests passed; False if any test failed.
*/
final public function run() {
$reflection = new ReflectionClass($this);
$methods = $reflection->getMethods();
$any_fail = false;
// Try to ensure that poorly-written tests which depend on execution order
// (and are thus not properly isolated) will fail.
shuffle($methods);
foreach ($methods as $method) {
$name = $method->getName();
if (!preg_match('/^test/', $name)) {
continue;
}
try {
call_user_func_array(
array($this, $name),
array());
echo "Test passed: {$name}\n";
} catch (Throwable $ex) {
$any_fail = true;
echo "Failed test: {$name}\n";
}
}
return !$any_fail;
}
}
require_once dirname(__DIR__).'/preamble-utils.php';
$test_case = new PreambleUtilsTestCase();
$good = $test_case->run();
if (!$good) {
exit(3);
}

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