automated-typo3-update/tests/SniffsTest.php

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<?php
namespace Typo3Update\Tests;
/*
* Copyright (C) 2017 Daniel Siepmann <coding@daniel-siepmann.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
use PHPUnit\Framework\TestCase;
use Symfony\Component\Finder\Finder;
/**
* Will test all sniffs where fixtures are available.
*
* To add a test, just create the necessary fixture folder structure with files.
*/
class SniffsTest extends TestCase
{
/**
* Get all fixtures for sniffs.
*
* Execute each sniff based on found fixtures and compare result.
*
* @dataProvider getSniffs
* @test
*
* @param \SplFileInfo $folder
* @param array $arguments
*/
public function sniffs(\SplFileInfo $folder, array $arguments = [])
{
if ($arguments !== []) {
$this->executeSniffSubfolders($folder, $arguments);
return;
}
$this->executeSniff($folder);
}
/**
* Returns all sniffs to test.
* Use e.g. as data provider.
*
* @return array
*/
public function getSniffs()
{
$sniffs = [];
$finder = new Finder();
$finder->in(
__DIR__
. DIRECTORY_SEPARATOR . 'Fixtures'
. DIRECTORY_SEPARATOR . 'Standards'
. DIRECTORY_SEPARATOR . 'Typo3Update'
. DIRECTORY_SEPARATOR . 'Sniffs'
);
foreach ($finder->directories()->name('*Sniff') as $folder) {
$sniff = [
$folder,
[],
];
if (is_file($this->getArgumentsFile($folder))) {
$arguments = require $this->getArgumentsFile($folder);
$sniff[1] = $arguments;
}
$sniffs[] = $sniff;
}
return $sniffs;
}
/**
* Execute sniff using subfolders.
*
* @param \SplFileInfo $folder
* @param array $arguments
* @return void
*/
protected function executeSniffSubfolders(\SplFileInfo $folder, array $arguments = [])
{
$finder = new Finder();
$finder->in($folder->getRealPath());
foreach ($arguments as $subFolder => $values) {
$folderName = $folder->getRealPath() . DIRECTORY_SEPARATOR . $subFolder;
$this->executeSniff(new \SplFileInfo($folderName), $values);
}
}
/**
* Execute phpunit assertion for sniff based on $folder.
*
* @param \SplFileInfo $folder
* @param array $arguments
* @return void
*/
protected function executeSniff(\SplFileInfo $folder, array $arguments = [])
{
$internalArguments = array_merge_recursive([
'runtime-set' => [
'mappingFile' => __DIR__ . DIRECTORY_SEPARATOR
. 'Fixtures' . DIRECTORY_SEPARATOR
. 'LegacyClassnames.php',
],
'report' => 'json',
'sniffs' => $this->getSniffByFolder($folder),
'inputFile' => $folder->getRealPath() . DIRECTORY_SEPARATOR . 'InputFileForIssues.php',
], $arguments);
if (isset($internalArguments['inputFileName'])) {
$internalArguments['inputFile'] = $folder->getRealPath()
. DIRECTORY_SEPARATOR
. $internalArguments['inputFileName'];
unset($internalArguments['inputFileName']);
}
$this->assertEquals(
$this->getExpectedJsonOutput($folder),
$this->getOutput($internalArguments)['output'],
'Checking Sniff "' . $this->getSniffByFolder($folder) . '"'
. ' did not produce expected output for input file '
. $internalArguments['inputFile']
. ' called: ' . $this->getPhpcsCall($internalArguments)
);
try {
$internalArguments['report'] = 'diff';
$this->assertEquals(
$this->getExpectedDiffOutput($folder),
$this->getOutput($internalArguments)['output'],
'Fixing Sniff "' . $this->getSniffByFolder($folder) . '"'
. ' did not produce expected diff for input file '
. $internalArguments['inputFile']
. ' called: ' . $this->getPhpcsCall($internalArguments)
);
} catch (FileNotFoundException $e) {
// Ok, ignore, we don't have an diff.
}
}
/**
* Get expected json output for comparison.
*
* @param \SplFileInfo $folder
* @return array
*/
protected function getExpectedJsonOutput(\SplFileInfo $folder)
{
$file = $folder->getPathname() . DIRECTORY_SEPARATOR . 'Expected.json';
if (!is_file($file)) {
throw new \Exception('Could not load file: ' . $file, 1491486050);
}
return json_decode(file_get_contents($file), true);
}
/**
* Returns absolute file path to diff file containing expected output.
*
* @param \SplFileInfo $folder
* @return string
*
* @throws FileNotFoundException
*/
protected function getExpectedDiffOutput(\SplFileInfo $folder)
{
$file = $folder->getRealPath() . DIRECTORY_SEPARATOR . 'Expected.diff';
if (!is_file($file)) {
throw new FileNotFoundException('File does not exist.', 1491469621);
}
return file_get_contents($file);
}
/**
* Returns PHPCS Sniff name for given folder.
*
* @param \SplFileInfo $folder
* @return string
*/
protected function getSniffByFolder(\SplFileInfo $folder)
{
$folderParts = array_filter(explode(DIRECTORY_SEPARATOR, $folder->getPathName()));
$sniffNamePosition;
foreach ($folderParts as $index => $folderPart) {
if (strpos($folderPart, 'Sniff', 1) !== false) {
$sniffNamePosition = $index;
break;
}
}
if ($sniffNamePosition === null) {
throw new \Exception('Could not detect sniff name by folder: ' . var_export($folder, true), 1491485369);
}
return $folderParts[$sniffNamePosition - 3]
. '.' . $folderParts[$sniffNamePosition - 1]
. '.' . substr($folderParts[$sniffNamePosition], 0, -5);
}
/**
* Get absolute file path to file containing further arguments.
*
* @param \SplFileInfo $folder
* @return string
*/
protected function getArgumentsFile(\SplFileInfo $folder)
{
return $folder->getRealPath() . DIRECTORY_SEPARATOR . 'Arguments.php';
}
/**
* Build cli call for phpcs.
*
* @param array $arguments
* @return string
*/
protected function getPhpcsCall(array $arguments)
{
$bin = './vendor/bin/phpcs';
$preparedArguments = [];
foreach ($arguments as $argumentName => $argumentValue) {
if ($argumentName === 'inputFile') {
continue;
}
if ($argumentName === 'runtime-set') {
foreach ($argumentValue as $runtimeName => $runtimeValue) {
$preparedArguments[] = "--$argumentName $runtimeName $runtimeValue";
}
continue;
}
$preparedArguments[] = "--$argumentName=$argumentValue";
}
return $bin
. ' ' . implode(' ', $preparedArguments)
. ' ' . $arguments['inputFile']
;
}
/**
* Executes phpcs for sniff based on $folder and returns the generated output.
*
* @param array $arguments
* @return array
*/
protected function getOutput(array $arguments)
{
$output = '';
$returnValue;
exec($this->getPhpcsCall($arguments), $output, $returnValue);
if ($arguments['report'] === 'json') {
try {
$output = $this->prepareJsonOutput($output);
} catch (\Exception $e) {
throw new \Exception(
'Error during preparing json output by invoking '
. $this->getPhpcsCall($arguments) . ' ' . $e->getMessage(),
1491487079
);
}
} if ($arguments['report'] === 'diff') {
$output = $this->prepareDiffOutput($output);
}
return [
'output' => $output,
'returnValue' => $returnValue,
];
}
/**
* Prepare phpcs output for comparison.
*
* @param array $output
* @return array
*/
protected function prepareJsonOutput(array $output)
{
$preparedOutput = json_decode($output[0], true);
if ($preparedOutput === null) {
throw new \Exception('Output for phpcs was not valid json: ' . var_export($output, true), 1491485173);
}
foreach (array_keys($preparedOutput['files']) as $fileName) {
$newKey = basename($fileName);
$preparedOutput['files'][$newKey] = $preparedOutput['files'][$fileName];
unset($preparedOutput['files'][$fileName]);
}
return $preparedOutput;
}
/**
* Prepare phpcs output for comparison.
*
* @param array $output
* @return string
*/
protected function prepareDiffOutput(array $output)
{
return implode("\n", $output);
}
}