A script for converting a test from SimpleTest to PHPUnit

simpletest-to-phpunit.php

#!/usr/bin/env php
<?php

/**
 * Convert SimpleTest tests to PHPUnit, mocks to Mockery.
 *
 * Caveats:
 * - Assertion + return value can't be combined automatically
 */

// filter down to arguments
$args = preg_grep('/^-[dhom]/', array_slice($argv,1), PREG_GREP_INVERT);

// show help
if(in_array('-h', $argv) || in_array('--help', $argv))
{
        echo "\nusage: $argv[0] [-o] [-d]\n\n";
        echo " -o       : output changes only, don't update file\n";
        echo " -d       : shows a diff of changes that would be made, implies -o\n\n";
        echo " -m       : convert mocks\n\n";
        exit(1);
}

// handle diff output
if(in_array('-d', $argv))
{
	passthru("php ".__FILE__." $argv[1] -o | diff -u {$argv[1]} -");
	exit(0);
}

$php = file_get_contents($argv[1]);

// ----------------------------
// Convert Mockery

if(in_array('-m', $argv))
{
	$patterns = array(
		'/->setReturn(?:Value|Reference)\((.+?),\s*(.+?)\);/ims' => '->shouldReceive(\1)->andReturn(\2);',
		'/->throwOn\((.+?),(.+?)\);/ims' => '->shouldReceive(\1)->andThrow(\2);',
		'/->expectOnce\(([^,\)]+)\);/ims' => '->shouldReceive(\1)->once();',
		'/->expectNever\(([^,\)]+)\);/ims' => '->shouldReceive(\1)->never();',
		'/->expectOnce\((.+?),\s*array\((.+?)\)\s*\);/ims' => '->shouldReceive(\1)->with(\2)->once();',
		'/->expectCallCount\((.+?),\s*(.+?)\)/ims' => '->shouldReceive(\1)->times(\2);',
		'/new ([a-z_]*Mock[a-z_]+)\([^\)]*\)/ims' => 'Mockery::mock()',
		'/new ([a-z_]*Mock[a-z_]+)\;/ims' => 'Mockery::mock();',
		'/Mock::generate[^;]+;\s*/' => '',
		'/new AnythingExpectation\(\)/' => '\Mockery::any()',
	);

	foreach($patterns as $from=>$to)
		$php = preg_replace($from, $to, $php);
}

// ----------------------------
// Convert SimpleTest classes and assertions

$patterns = array(
	'/assertEquals?/' => 'assertEquals',
	'/assertNotEquals?/' => 'assertNotEquals',
	'/assertPattern/' => 'assertRegExp',
	'/assertIdentical/' => 'assertSame',
	'/assertNotIdentical/' => 'assertNotSame',
	'/assertNoPattern/' => 'assertNotRegExp',
	'/assertReference/' => 'assertSame',
	'/assertIsA\((.+?),\s*(.+?)(,\s*.+?)?\)/' => 'assertInstanceOf(\2, \1)',
	'/expectException/' => 'setExpectedException',
	'/$this->pass()/' => '$this->assertTrue(true)',
	'/\bUnitTest(Case)?\b/' => 'PHPUnit_Framework_TestCase',
	'/setup/' => 'setUp',
);

foreach($patterns as $from=>$to)
	$php = preg_replace($from, $to, $php);


// ----------------------------
// Output

if(in_array('-o', $argv))
{
	echo $php;
}
else
{
	if(file_get_contents($argv[1]) != $php)
	{
		echo "updating {$argv[1]}\n";
		file_put_contents($argv[1], $php);
	}
}

Simple and effective. Kudos man!

wow.

'/assertNotIdentical/' => 'assertRegExp'

should be assertNotSame i guess?

Yup, good catch @edorian.

Works nicely with

find tests -name '*Test.php' -print -exec php simpletest-to-phpunit.php {} \;