| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace PHPStan\Testing; |
| 4: | |
| 5: | use PhpParser\Node; |
| 6: | use PhpParser\Node\Expr\StaticCall; |
| 7: | use PhpParser\Node\Name; |
| 8: | use PHPStan\Analyser\NodeScopeResolver; |
| 9: | use PHPStan\Analyser\Scope; |
| 10: | use PHPStan\Analyser\ScopeContext; |
| 11: | use PHPStan\DependencyInjection\Type\DynamicThrowTypeExtensionProvider; |
| 12: | use PHPStan\DependencyInjection\Type\ParameterClosureTypeExtensionProvider; |
| 13: | use PHPStan\DependencyInjection\Type\ParameterOutTypeExtensionProvider; |
| 14: | use PHPStan\File\FileHelper; |
| 15: | use PHPStan\File\SystemAgnosticSimpleRelativePathHelper; |
| 16: | use PHPStan\Php\PhpVersion; |
| 17: | use PHPStan\PhpDoc\PhpDocInheritanceResolver; |
| 18: | use PHPStan\PhpDoc\StubPhpDocProvider; |
| 19: | use PHPStan\Reflection\InitializerExprTypeResolver; |
| 20: | use PHPStan\Reflection\SignatureMap\SignatureMapProvider; |
| 21: | use PHPStan\Rules\Properties\ReadWritePropertiesExtensionProvider; |
| 22: | use PHPStan\TrinaryLogic; |
| 23: | use PHPStan\Type\ConstantScalarType; |
| 24: | use PHPStan\Type\FileTypeMapper; |
| 25: | use PHPStan\Type\Type; |
| 26: | use PHPStan\Type\VerbosityLevel; |
| 27: | use Symfony\Component\Finder\Finder; |
| 28: | use function array_map; |
| 29: | use function array_merge; |
| 30: | use function count; |
| 31: | use function fclose; |
| 32: | use function fgets; |
| 33: | use function fopen; |
| 34: | use function in_array; |
| 35: | use function is_dir; |
| 36: | use function is_string; |
| 37: | use function preg_match; |
| 38: | use function sprintf; |
| 39: | use function stripos; |
| 40: | use function strpos; |
| 41: | use function strtolower; |
| 42: | use function version_compare; |
| 43: | use const PHP_VERSION; |
| 44: | |
| 45: | |
| 46: | abstract class TypeInferenceTestCase extends PHPStanTestCase |
| 47: | { |
| 48: | |
| 49: | |
| 50: | |
| 51: | |
| 52: | |
| 53: | public static function processFile( |
| 54: | string $file, |
| 55: | callable $callback, |
| 56: | array $dynamicConstantNames = [], |
| 57: | ): void |
| 58: | { |
| 59: | $reflectionProvider = self::createReflectionProvider(); |
| 60: | $typeSpecifier = self::getContainer()->getService('typeSpecifier'); |
| 61: | $fileHelper = self::getContainer()->getByType(FileHelper::class); |
| 62: | $resolver = new NodeScopeResolver( |
| 63: | $reflectionProvider, |
| 64: | self::getContainer()->getByType(InitializerExprTypeResolver::class), |
| 65: | self::getReflector(), |
| 66: | self::getClassReflectionExtensionRegistryProvider(), |
| 67: | self::getContainer()->getByType(ParameterOutTypeExtensionProvider::class), |
| 68: | self::getParser(), |
| 69: | self::getContainer()->getByType(FileTypeMapper::class), |
| 70: | self::getContainer()->getByType(StubPhpDocProvider::class), |
| 71: | self::getContainer()->getByType(PhpVersion::class), |
| 72: | self::getContainer()->getByType(SignatureMapProvider::class), |
| 73: | self::getContainer()->getByType(PhpDocInheritanceResolver::class), |
| 74: | self::getContainer()->getByType(FileHelper::class), |
| 75: | $typeSpecifier, |
| 76: | self::getContainer()->getByType(DynamicThrowTypeExtensionProvider::class), |
| 77: | self::getContainer()->getByType(ReadWritePropertiesExtensionProvider::class), |
| 78: | self::getContainer()->getByType(ParameterClosureTypeExtensionProvider::class), |
| 79: | self::createScopeFactory($reflectionProvider, $typeSpecifier), |
| 80: | self::getContainer()->getParameter('polluteScopeWithLoopInitialAssignments'), |
| 81: | self::getContainer()->getParameter('polluteScopeWithAlwaysIterableForeach'), |
| 82: | self::getContainer()->getParameter('polluteScopeWithBlock'), |
| 83: | static::getEarlyTerminatingMethodCalls(), |
| 84: | static::getEarlyTerminatingFunctionCalls(), |
| 85: | self::getContainer()->getParameter('universalObjectCratesClasses'), |
| 86: | self::getContainer()->getParameter('exceptions')['implicitThrows'], |
| 87: | self::getContainer()->getParameter('treatPhpDocTypesAsCertain'), |
| 88: | ); |
| 89: | $resolver->setAnalysedFiles(array_map(static fn (string $file): string => $fileHelper->normalizePath($file), array_merge([$file], static::getAdditionalAnalysedFiles()))); |
| 90: | |
| 91: | $scopeFactory = self::createScopeFactory($reflectionProvider, $typeSpecifier, $dynamicConstantNames); |
| 92: | $scope = $scopeFactory->create(ScopeContext::create($file)); |
| 93: | |
| 94: | $resolver->processNodes( |
| 95: | self::getParser()->parseFile($file), |
| 96: | $scope, |
| 97: | $callback, |
| 98: | ); |
| 99: | } |
| 100: | |
| 101: | |
| 102: | |
| 103: | |
| 104: | |
| 105: | public function assertFileAsserts( |
| 106: | string $assertType, |
| 107: | string $file, |
| 108: | ...$args, |
| 109: | ): void |
| 110: | { |
| 111: | if ($assertType === 'type') { |
| 112: | if ($args[0] instanceof Type) { |
| 113: | |
| 114: | $expectedType = $args[0]; |
| 115: | $this->assertInstanceOf(ConstantScalarType::class, $expectedType); |
| 116: | $expected = $expectedType->getValue(); |
| 117: | $actualType = $args[1]; |
| 118: | $actual = $actualType->describe(VerbosityLevel::precise()); |
| 119: | } else { |
| 120: | $expected = $args[0]; |
| 121: | $actual = $args[1]; |
| 122: | } |
| 123: | |
| 124: | $this->assertSame( |
| 125: | $expected, |
| 126: | $actual, |
| 127: | sprintf('Expected type %s, got type %s in %s on line %d.', $expected, $actual, $file, $args[2]), |
| 128: | ); |
| 129: | } elseif ($assertType === 'variableCertainty') { |
| 130: | $expectedCertainty = $args[0]; |
| 131: | $actualCertainty = $args[1]; |
| 132: | $variableName = $args[2]; |
| 133: | $this->assertTrue( |
| 134: | $expectedCertainty->equals($actualCertainty), |
| 135: | sprintf('Expected %s, actual certainty of %s is %s in %s on line %d.', $expectedCertainty->describe(), $variableName, $actualCertainty->describe(), $file, $args[3]), |
| 136: | ); |
| 137: | } |
| 138: | } |
| 139: | |
| 140: | |
| 141: | |
| 142: | |
| 143: | |
| 144: | public static function gatherAssertTypes(string $file): array |
| 145: | { |
| 146: | $fileHelper = self::getContainer()->getByType(FileHelper::class); |
| 147: | |
| 148: | $relativePathHelper = new SystemAgnosticSimpleRelativePathHelper($fileHelper); |
| 149: | |
| 150: | $file = $fileHelper->normalizePath($file); |
| 151: | |
| 152: | $asserts = []; |
| 153: | self::processFile($file, static function (Node $node, Scope $scope) use (&$asserts, $file, $relativePathHelper): void { |
| 154: | if (!$node instanceof Node\Expr\FuncCall) { |
| 155: | return; |
| 156: | } |
| 157: | |
| 158: | $nameNode = $node->name; |
| 159: | if (!$nameNode instanceof Name) { |
| 160: | return; |
| 161: | } |
| 162: | |
| 163: | $functionName = $nameNode->toString(); |
| 164: | if (in_array(strtolower($functionName), ['asserttype', 'assertnativetype', 'assertvariablecertainty'], true)) { |
| 165: | self::fail(sprintf( |
| 166: | 'Missing use statement for %s() in %s on line %d.', |
| 167: | $functionName, |
| 168: | $relativePathHelper->getRelativePath($file), |
| 169: | $node->getStartLine(), |
| 170: | )); |
| 171: | } elseif ($functionName === 'PHPStan\\Testing\\assertType') { |
| 172: | $expectedType = $scope->getType($node->getArgs()[0]->value); |
| 173: | if (!$expectedType instanceof ConstantScalarType) { |
| 174: | self::fail(sprintf( |
| 175: | 'Expected type must be a literal string, %s given in %s on line %d.', |
| 176: | $expectedType->describe(VerbosityLevel::precise()), |
| 177: | $relativePathHelper->getRelativePath($file), |
| 178: | $node->getStartLine(), |
| 179: | )); |
| 180: | } |
| 181: | $actualType = $scope->getType($node->getArgs()[1]->value); |
| 182: | $assert = ['type', $file, $expectedType->getValue(), $actualType->describe(VerbosityLevel::precise()), $node->getStartLine()]; |
| 183: | } elseif ($functionName === 'PHPStan\\Testing\\assertNativeType') { |
| 184: | $expectedType = $scope->getType($node->getArgs()[0]->value); |
| 185: | if (!$expectedType instanceof ConstantScalarType) { |
| 186: | self::fail(sprintf( |
| 187: | 'Expected type must be a literal string, %s given in %s on line %d.', |
| 188: | $expectedType->describe(VerbosityLevel::precise()), |
| 189: | $relativePathHelper->getRelativePath($file), |
| 190: | $node->getStartLine(), |
| 191: | )); |
| 192: | } |
| 193: | |
| 194: | $actualType = $scope->getNativeType($node->getArgs()[1]->value); |
| 195: | $assert = ['type', $file, $expectedType->getValue(), $actualType->describe(VerbosityLevel::precise()), $node->getStartLine()]; |
| 196: | } elseif ($functionName === 'PHPStan\\Testing\\assertVariableCertainty') { |
| 197: | $certainty = $node->getArgs()[0]->value; |
| 198: | if (!$certainty instanceof StaticCall) { |
| 199: | self::fail(sprintf('First argument of %s() must be TrinaryLogic call', $functionName)); |
| 200: | } |
| 201: | if (!$certainty->class instanceof Node\Name) { |
| 202: | self::fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 203: | } |
| 204: | |
| 205: | if ($certainty->class->toString() !== 'PHPStan\\TrinaryLogic') { |
| 206: | self::fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 207: | } |
| 208: | |
| 209: | if (!$certainty->name instanceof Node\Identifier) { |
| 210: | self::fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 211: | } |
| 212: | |
| 213: | |
| 214: | $expectedertaintyValue = TrinaryLogic::{$certainty->name->toString()}(); |
| 215: | $variable = $node->getArgs()[1]->value; |
| 216: | if ($variable instanceof Node\Expr\Variable && is_string($variable->name)) { |
| 217: | $actualCertaintyValue = $scope->hasVariableType($variable->name); |
| 218: | $variableDescription = sprintf('variable $%s', $variable->name); |
| 219: | } elseif ($variable instanceof Node\Expr\ArrayDimFetch && $variable->dim !== null) { |
| 220: | $offset = $scope->getType($variable->dim); |
| 221: | $actualCertaintyValue = $scope->getType($variable->var)->hasOffsetValueType($offset); |
| 222: | $variableDescription = sprintf('offset %s', $offset->describe(VerbosityLevel::precise())); |
| 223: | } else { |
| 224: | self::fail(sprintf('ERROR: Invalid assertVariableCertainty call.')); |
| 225: | } |
| 226: | |
| 227: | $assert = ['variableCertainty', $file, $expectedertaintyValue, $actualCertaintyValue, $variableDescription, $node->getStartLine()]; |
| 228: | } else { |
| 229: | $correctFunction = null; |
| 230: | |
| 231: | $assertFunctions = [ |
| 232: | 'assertType' => 'PHPStan\\Testing\\assertType', |
| 233: | 'assertNativeType' => 'PHPStan\\Testing\\assertNativeType', |
| 234: | 'assertVariableCertainty' => 'PHPStan\\Testing\\assertVariableCertainty', |
| 235: | ]; |
| 236: | foreach ($assertFunctions as $assertFn => $fqFunctionName) { |
| 237: | if (stripos($functionName, $assertFn) === false) { |
| 238: | continue; |
| 239: | } |
| 240: | |
| 241: | $correctFunction = $fqFunctionName; |
| 242: | } |
| 243: | |
| 244: | if ($correctFunction === null) { |
| 245: | return; |
| 246: | } |
| 247: | |
| 248: | self::fail(sprintf( |
| 249: | 'Function %s imported with wrong namespace %s called in %s on line %d.', |
| 250: | $correctFunction, |
| 251: | $functionName, |
| 252: | $relativePathHelper->getRelativePath($file), |
| 253: | $node->getStartLine(), |
| 254: | )); |
| 255: | } |
| 256: | |
| 257: | if (count($node->getArgs()) !== 2) { |
| 258: | self::fail(sprintf( |
| 259: | 'ERROR: Wrong %s() call in %s on line %d.', |
| 260: | $functionName, |
| 261: | $relativePathHelper->getRelativePath($file), |
| 262: | $node->getStartLine(), |
| 263: | )); |
| 264: | } |
| 265: | |
| 266: | $asserts[$file . ':' . $node->getStartLine()] = $assert; |
| 267: | }); |
| 268: | |
| 269: | if (count($asserts) === 0) { |
| 270: | self::fail(sprintf('File %s does not contain any asserts', $file)); |
| 271: | } |
| 272: | |
| 273: | return $asserts; |
| 274: | } |
| 275: | |
| 276: | |
| 277: | |
| 278: | |
| 279: | |
| 280: | public static function gatherAssertTypesFromDirectory(string $directory): array |
| 281: | { |
| 282: | $asserts = []; |
| 283: | foreach (self::findTestDataFilesFromDirectory($directory) as $path) { |
| 284: | foreach (self::gatherAssertTypes($path) as $key => $assert) { |
| 285: | $asserts[$key] = $assert; |
| 286: | } |
| 287: | } |
| 288: | |
| 289: | return $asserts; |
| 290: | } |
| 291: | |
| 292: | |
| 293: | |
| 294: | |
| 295: | public static function findTestDataFilesFromDirectory(string $directory): array |
| 296: | { |
| 297: | if (!is_dir($directory)) { |
| 298: | self::fail(sprintf('Directory %s does not exist.', $directory)); |
| 299: | } |
| 300: | |
| 301: | $finder = new Finder(); |
| 302: | $finder->followLinks(); |
| 303: | $files = []; |
| 304: | foreach ($finder->files()->name('*.php')->in($directory) as $fileInfo) { |
| 305: | $path = $fileInfo->getPathname(); |
| 306: | if (self::isFileLintSkipped($path)) { |
| 307: | continue; |
| 308: | } |
| 309: | $files[] = $path; |
| 310: | } |
| 311: | |
| 312: | return $files; |
| 313: | } |
| 314: | |
| 315: | |
| 316: | |
| 317: | |
| 318: | |
| 319: | |
| 320: | private static function isFileLintSkipped(string $file): bool |
| 321: | { |
| 322: | $f = @fopen($file, 'r'); |
| 323: | if ($f !== false) { |
| 324: | $firstLine = fgets($f); |
| 325: | if ($firstLine === false) { |
| 326: | return false; |
| 327: | } |
| 328: | |
| 329: | |
| 330: | if (strpos($firstLine, '#!') === 0) { |
| 331: | $firstLine = fgets($f); |
| 332: | if ($firstLine === false) { |
| 333: | return false; |
| 334: | } |
| 335: | } |
| 336: | |
| 337: | @fclose($f); |
| 338: | |
| 339: | if (preg_match('~<?php\\s*\\/\\/\s*lint\s*([^\d\s]+)\s*([^\s]+)\s*~i', $firstLine, $m) === 1) { |
| 340: | return version_compare(PHP_VERSION, $m[2], $m[1]) === false; |
| 341: | } |
| 342: | } |
| 343: | |
| 344: | return false; |
| 345: | } |
| 346: | |
| 347: | |
| 348: | protected static function getAdditionalAnalysedFiles(): array |
| 349: | { |
| 350: | return []; |
| 351: | } |
| 352: | |
| 353: | |
| 354: | protected static function getEarlyTerminatingMethodCalls(): array |
| 355: | { |
| 356: | return []; |
| 357: | } |
| 358: | |
| 359: | |
| 360: | protected static function getEarlyTerminatingFunctionCalls(): array |
| 361: | { |
| 362: | return []; |
| 363: | } |
| 364: | |
| 365: | } |
| 366: | |