File src/Testing/RuleTestCase.php

1:	<?php declare(strict_types = 1);
2:
3:	namespace PHPStan\Testing;
4:
5:	use PhpParser\Node;
6:	use PHPStan\Analyser\Analyser;
7:	use PHPStan\Analyser\Error;
8:	use PHPStan\Analyser\FileAnalyser;
9:	use PHPStan\Analyser\NodeScopeResolver;
10:	use PHPStan\Analyser\RuleErrorTransformer;
11:	use PHPStan\Analyser\ScopeContext;
12:	use PHPStan\Analyser\TypeSpecifier;
13:	use PHPStan\Collectors\Collector;
14:	use PHPStan\Collectors\Registry as CollectorRegistry;
15:	use PHPStan\Dependency\DependencyResolver;
16:	use PHPStan\DependencyInjection\Type\DynamicThrowTypeExtensionProvider;
17:	use PHPStan\File\FileHelper;
18:	use PHPStan\Node\CollectedDataNode;
19:	use PHPStan\Php\PhpVersion;
20:	use PHPStan\PhpDoc\PhpDocInheritanceResolver;
21:	use PHPStan\PhpDoc\StubPhpDocProvider;
22:	use PHPStan\Reflection\InitializerExprTypeResolver;
23:	use PHPStan\Rules\DirectRegistry as DirectRuleRegistry;
24:	use PHPStan\Rules\Properties\DirectReadWritePropertiesExtensionProvider;
25:	use PHPStan\Rules\Properties\ReadWritePropertiesExtension;
26:	use PHPStan\Rules\Properties\ReadWritePropertiesExtensionProvider;
27:	use PHPStan\Rules\Rule;
28:	use PHPStan\Type\FileTypeMapper;
29:	use function array_map;
30:	use function count;
31:	use function implode;
32:	use function sprintf;
33:
34:	/**
35:	* @api
36:	* @template TRule of Rule
37:	*/
38:	abstract class RuleTestCase extends PHPStanTestCase
39:	{
40:
41:	private ?Analyser $analyser = null;
42:
43:	/**
44:	* @phpstan-return TRule
45:	*/
46:	abstract protected function getRule(): Rule;
47:
48:	/**
49:	* @return array<Collector<Node, mixed>>
50:	*/
51:	protected function getCollectors(): array
52:	{
53:	return [];
54:	}
55:
56:	/**
57:	* @return ReadWritePropertiesExtension[]
58:	*/
59:	protected function getReadWritePropertiesExtensions(): array
60:	{
61:	return [];
62:	}
63:
64:	protected function getTypeSpecifier(): TypeSpecifier
65:	{
66:	return self::getContainer()->getService('typeSpecifier');
67:	}
68:
69:	private function getAnalyser(): Analyser
70:	{
71:	if ($this->analyser === null) {
72:	$ruleRegistry = new DirectRuleRegistry([
73:	$this->getRule(),
74:	]);
75:	$collectorRegistry = new CollectorRegistry($this->getCollectors());
76:
77:	$reflectionProvider = $this->createReflectionProvider();
78:	$typeSpecifier = $this->getTypeSpecifier();
79:
80:	$readWritePropertiesExtensions = $this->getReadWritePropertiesExtensions();
81:	$nodeScopeResolver = new NodeScopeResolver(
82:	$reflectionProvider,
83:	self::getContainer()->getByType(InitializerExprTypeResolver::class),
84:	self::getReflector(),
85:	$this->getClassReflectionExtensionRegistryProvider(),
86:	$this->getParser(),
87:	self::getContainer()->getByType(FileTypeMapper::class),
88:	self::getContainer()->getByType(StubPhpDocProvider::class),
89:	self::getContainer()->getByType(PhpVersion::class),
90:	self::getContainer()->getByType(PhpDocInheritanceResolver::class),
91:	self::getContainer()->getByType(FileHelper::class),
92:	$typeSpecifier,
93:	self::getContainer()->getByType(DynamicThrowTypeExtensionProvider::class),
94:	$readWritePropertiesExtensions !== [] ? new DirectReadWritePropertiesExtensionProvider($readWritePropertiesExtensions) : self::getContainer()->getByType(ReadWritePropertiesExtensionProvider::class),
95:	$this->shouldPolluteScopeWithLoopInitialAssignments(),
96:	$this->shouldPolluteScopeWithAlwaysIterableForeach(),
97:	[],
98:	[],
99:	true,
100:	);
101:	$fileAnalyser = new FileAnalyser(
102:	$this->createScopeFactory($reflectionProvider, $typeSpecifier),
103:	$nodeScopeResolver,
104:	$this->getParser(),
105:	self::getContainer()->getByType(DependencyResolver::class),
106:	new RuleErrorTransformer(),
107:	true,
108:	);
109:	$this->analyser = new Analyser(
110:	$fileAnalyser,
111:	$ruleRegistry,
112:	$collectorRegistry,
113:	$nodeScopeResolver,
114:	50,
115:	);
116:	}
117:
118:	return $this->analyser;
119:	}
120:
121:	/**
122:	* @param string[] $files
123:	* @param list<array{0: string, 1: int, 2?: string}> $expectedErrors
124:	*/
125:	public function analyse(array $files, array $expectedErrors): void
126:	{
127:	$actualErrors = $this->gatherAnalyserErrors($files);
128:	$strictlyTypedSprintf = static function (int $line, string $message, ?string $tip): string {
129:	$message = sprintf('%02d: %s', $line, $message);
130:	if ($tip !== null) {
131:	$message .= "\n 💡 " . $tip;
132:	}
133:
134:	return $message;
135:	};
136:
137:	$expectedErrors = array_map(
138:	static fn (array $error): string => $strictlyTypedSprintf($error[1], $error[0], $error[2] ?? null),
139:	$expectedErrors,
140:	);
141:
142:	$actualErrors = array_map(
143:	static function (Error $error) use ($strictlyTypedSprintf): string {
144:	$line = $error->getLine();
145:	if ($line === null) {
146:	return $strictlyTypedSprintf(-1, $error->getMessage(), $error->getTip());
147:	}
148:	return $strictlyTypedSprintf($line, $error->getMessage(), $error->getTip());
149:	},
150:	$actualErrors,
151:	);
152:
153:	$this->assertSame(implode("\n", $expectedErrors) . "\n", implode("\n", $actualErrors) . "\n");
154:	}
155:
156:	/**
157:	* @param string[] $files
158:	* @return list<Error>
159:	*/
160:	public function gatherAnalyserErrors(array $files): array
161:	{
162:	$files = array_map([$this->getFileHelper(), 'normalizePath'], $files);
163:	$analyserResult = $this->getAnalyser()->analyse(
164:	$files,
165:	null,
166:	null,
167:	true,
168:	);
169:	if (count($analyserResult->getInternalErrors()) > 0) {
170:	$this->fail(implode("\n", $analyserResult->getInternalErrors()));
171:	}
172:
173:	$actualErrors = $analyserResult->getUnorderedErrors();
174:	$ruleErrorTransformer = new RuleErrorTransformer();
175:	if (count($analyserResult->getCollectedData()) > 0) {
176:	$ruleRegistry = new DirectRuleRegistry([
177:	$this->getRule(),
178:	]);
179:
180:	$nodeType = CollectedDataNode::class;
181:	$node = new CollectedDataNode($analyserResult->getCollectedData());
182:	$scopeFactory = $this->createScopeFactory($this->createReflectionProvider(), $this->getTypeSpecifier());
183:	$scope = $scopeFactory->create(ScopeContext::create('irrelevant'));
184:	foreach ($ruleRegistry->getRules($nodeType) as $rule) {
185:	$ruleErrors = $rule->processNode($node, $scope);
186:	foreach ($ruleErrors as $ruleError) {
187:	$actualErrors[] = $ruleErrorTransformer->transform($ruleError, $scope, $nodeType, $node->getLine());
188:	}
189:	}
190:	}
191:
192:	return $actualErrors;
193:	}
194:
195:	protected function shouldPolluteScopeWithLoopInitialAssignments(): bool
196:	{
197:	return false;
198:	}
199:
200:	protected function shouldPolluteScopeWithAlwaysIterableForeach(): bool
201:	{
202:	return true;
203:	}
204:
205:	public static function getAdditionalConfigFiles(): array
206:	{
207:	return [
208:	__DIR__ . '/../../conf/bleedingEdge.neon',
209:	];
210:	}
211:
212:	}
213:

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