| 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\File\FileHelper; |
| 13: | use PHPStan\Php\PhpVersion; |
| 14: | use PHPStan\PhpDoc\PhpDocInheritanceResolver; |
| 15: | use PHPStan\PhpDoc\StubPhpDocProvider; |
| 16: | use PHPStan\Reflection\InitializerExprTypeResolver; |
| 17: | use PHPStan\Rules\Properties\ReadWritePropertiesExtensionProvider; |
| 18: | use PHPStan\TrinaryLogic; |
| 19: | use PHPStan\Type\ConstantScalarType; |
| 20: | use PHPStan\Type\FileTypeMapper; |
| 21: | use PHPStan\Type\VerbosityLevel; |
| 22: | use function array_map; |
| 23: | use function array_merge; |
| 24: | use function count; |
| 25: | use function is_string; |
| 26: | use function sprintf; |
| 27: | |
| 28: | |
| 29: | abstract class TypeInferenceTestCase extends PHPStanTestCase |
| 30: | { |
| 31: | |
| 32: | |
| 33: | |
| 34: | |
| 35: | |
| 36: | public function processFile( |
| 37: | string $file, |
| 38: | callable $callback, |
| 39: | array $dynamicConstantNames = [], |
| 40: | ): void |
| 41: | { |
| 42: | $reflectionProvider = $this->createReflectionProvider(); |
| 43: | $typeSpecifier = self::getContainer()->getService('typeSpecifier'); |
| 44: | $fileHelper = self::getContainer()->getByType(FileHelper::class); |
| 45: | $resolver = new NodeScopeResolver( |
| 46: | $reflectionProvider, |
| 47: | self::getContainer()->getByType(InitializerExprTypeResolver::class), |
| 48: | self::getReflector(), |
| 49: | $this->getClassReflectionExtensionRegistryProvider(), |
| 50: | $this->getParser(), |
| 51: | self::getContainer()->getByType(FileTypeMapper::class), |
| 52: | self::getContainer()->getByType(StubPhpDocProvider::class), |
| 53: | self::getContainer()->getByType(PhpVersion::class), |
| 54: | self::getContainer()->getByType(PhpDocInheritanceResolver::class), |
| 55: | self::getContainer()->getByType(FileHelper::class), |
| 56: | $typeSpecifier, |
| 57: | self::getContainer()->getByType(DynamicThrowTypeExtensionProvider::class), |
| 58: | self::getContainer()->getByType(ReadWritePropertiesExtensionProvider::class), |
| 59: | true, |
| 60: | true, |
| 61: | $this->getEarlyTerminatingMethodCalls(), |
| 62: | $this->getEarlyTerminatingFunctionCalls(), |
| 63: | true, |
| 64: | ); |
| 65: | $resolver->setAnalysedFiles(array_map(static fn (string $file): string => $fileHelper->normalizePath($file), array_merge([$file], $this->getAdditionalAnalysedFiles()))); |
| 66: | |
| 67: | $scopeFactory = $this->createScopeFactory($reflectionProvider, $typeSpecifier, $dynamicConstantNames); |
| 68: | $scope = $scopeFactory->create(ScopeContext::create($file)); |
| 69: | |
| 70: | $resolver->processNodes( |
| 71: | $this->getParser()->parseFile($file), |
| 72: | $scope, |
| 73: | $callback, |
| 74: | ); |
| 75: | } |
| 76: | |
| 77: | |
| 78: | |
| 79: | |
| 80: | |
| 81: | public function assertFileAsserts( |
| 82: | string $assertType, |
| 83: | string $file, |
| 84: | ...$args, |
| 85: | ): void |
| 86: | { |
| 87: | if ($assertType === 'type') { |
| 88: | $expectedType = $args[0]; |
| 89: | $this->assertInstanceOf(ConstantScalarType::class, $expectedType); |
| 90: | $expected = $expectedType->getValue(); |
| 91: | $actualType = $args[1]; |
| 92: | $actual = $actualType->describe(VerbosityLevel::precise()); |
| 93: | $this->assertSame( |
| 94: | $expected, |
| 95: | $actual, |
| 96: | sprintf('Expected type %s, got type %s in %s on line %d.', $expected, $actual, $file, $args[2]), |
| 97: | ); |
| 98: | } elseif ($assertType === 'variableCertainty') { |
| 99: | $expectedCertainty = $args[0]; |
| 100: | $actualCertainty = $args[1]; |
| 101: | $variableName = $args[2]; |
| 102: | $this->assertTrue( |
| 103: | $expectedCertainty->equals($actualCertainty), |
| 104: | sprintf('Expected %s, actual certainty of variable $%s is %s in %s on line %d.', $expectedCertainty->describe(), $variableName, $actualCertainty->describe(), $file, $args[3]), |
| 105: | ); |
| 106: | } |
| 107: | } |
| 108: | |
| 109: | |
| 110: | |
| 111: | |
| 112: | |
| 113: | public function gatherAssertTypes(string $file): array |
| 114: | { |
| 115: | $asserts = []; |
| 116: | $this->processFile($file, function (Node $node, Scope $scope) use (&$asserts, $file): void { |
| 117: | if (!$node instanceof Node\Expr\FuncCall) { |
| 118: | return; |
| 119: | } |
| 120: | |
| 121: | $nameNode = $node->name; |
| 122: | if (!$nameNode instanceof Name) { |
| 123: | return; |
| 124: | } |
| 125: | |
| 126: | $functionName = $nameNode->toString(); |
| 127: | if ($functionName === 'PHPStan\\Testing\\assertType') { |
| 128: | $expectedType = $scope->getType($node->getArgs()[0]->value); |
| 129: | $actualType = $scope->getType($node->getArgs()[1]->value); |
| 130: | $assert = ['type', $file, $expectedType, $actualType, $node->getLine()]; |
| 131: | } elseif ($functionName === 'PHPStan\\Testing\\assertNativeType') { |
| 132: | $nativeScope = $scope->doNotTreatPhpDocTypesAsCertain(); |
| 133: | $expectedType = $nativeScope->getNativeType($node->getArgs()[0]->value); |
| 134: | $actualType = $nativeScope->getNativeType($node->getArgs()[1]->value); |
| 135: | $assert = ['type', $file, $expectedType, $actualType, $node->getLine()]; |
| 136: | } elseif ($functionName === 'PHPStan\\Testing\\assertVariableCertainty') { |
| 137: | $certainty = $node->getArgs()[0]->value; |
| 138: | if (!$certainty instanceof StaticCall) { |
| 139: | $this->fail(sprintf('First argument of %s() must be TrinaryLogic call', $functionName)); |
| 140: | } |
| 141: | if (!$certainty->class instanceof Node\Name) { |
| 142: | $this->fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 143: | } |
| 144: | |
| 145: | if ($certainty->class->toString() !== 'PHPStan\\TrinaryLogic') { |
| 146: | $this->fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 147: | } |
| 148: | |
| 149: | if (!$certainty->name instanceof Node\Identifier) { |
| 150: | $this->fail(sprintf('ERROR: Invalid TrinaryLogic call.')); |
| 151: | } |
| 152: | |
| 153: | |
| 154: | $expectedertaintyValue = TrinaryLogic::{$certainty->name->toString()}(); |
| 155: | $variable = $node->getArgs()[1]->value; |
| 156: | if (!$variable instanceof Node\Expr\Variable) { |
| 157: | $this->fail(sprintf('ERROR: Invalid assertVariableCertainty call.')); |
| 158: | } |
| 159: | if (!is_string($variable->name)) { |
| 160: | $this->fail(sprintf('ERROR: Invalid assertVariableCertainty call.')); |
| 161: | } |
| 162: | |
| 163: | $actualCertaintyValue = $scope->hasVariableType($variable->name); |
| 164: | $assert = ['variableCertainty', $file, $expectedertaintyValue, $actualCertaintyValue, $variable->name, $node->getLine()]; |
| 165: | } else { |
| 166: | return; |
| 167: | } |
| 168: | |
| 169: | if (count($node->getArgs()) !== 2) { |
| 170: | $this->fail(sprintf( |
| 171: | 'ERROR: Wrong %s() call on line %d.', |
| 172: | $functionName, |
| 173: | $node->getLine(), |
| 174: | )); |
| 175: | } |
| 176: | |
| 177: | $asserts[$file . ':' . $node->getLine()] = $assert; |
| 178: | }); |
| 179: | |
| 180: | if (count($asserts) === 0) { |
| 181: | $this->fail(sprintf('File %s does not contain any asserts', $file)); |
| 182: | } |
| 183: | |
| 184: | return $asserts; |
| 185: | } |
| 186: | |
| 187: | |
| 188: | protected function getAdditionalAnalysedFiles(): array |
| 189: | { |
| 190: | return []; |
| 191: | } |
| 192: | |
| 193: | |
| 194: | protected function getEarlyTerminatingMethodCalls(): array |
| 195: | { |
| 196: | return []; |
| 197: | } |
| 198: | |
| 199: | |
| 200: | protected function getEarlyTerminatingFunctionCalls(): array |
| 201: | { |
| 202: | return []; |
| 203: | } |
| 204: | |
| 205: | } |
| 206: | |