feat: Signatur-Fingerabdruck der Divi-Aufrufe (Reflection); fingerprints.json enthält sig:-Einträge, divi-check --update-reference schreibt sie; Referenz für Divi 5.15.1

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
Jan-Niclas Loosen
2026-10-18 22:01:56 +02:00
co-authored by Claude Sonnet 5.5
parent 392fe7c569
commit 710444e88d
8 changed files with 525 additions and 20 deletions
@@ -4,25 +4,99 @@ declare(strict_types=1);
namespace LIT\MCP\Tests\Unit\Integrations\Divi\Release;
use LIT\MCP\Integrations\Divi\Release\Call;
use LIT\MCP\Integrations\Divi\Release\DiviAdapters;
use LIT\MCP\Integrations\Divi\Release\DiviReference;
use LIT\MCP\Integrations\Divi\Release\SignatureFingerprint;
use PHPUnit\Framework\TestCase;
use RuntimeException;
final class DiviReferenceTest extends TestCase
{
public function testEveryMirrorHasAnExpectedFingerprintAndAReferenceSource(): void
public function testEveryMirrorAndEveryCallHasAnExpectedFingerprintAndEveryMirrorAReferenceSource(): void
{
$ids = array_map(static fn ($mirror): string => $mirror->id, DiviAdapters::mirrors());
sort($ids);
$mirrorIds = array_map(static fn ($mirror): string => $mirror->id, DiviAdapters::mirrors());
$signatureKeys = [];
foreach (DiviAdapters::manifests() as $manifest) {
foreach ($manifest->calls as $call) {
$signatureKeys[] = 'sig:' . ltrim($call->symbol, '\\');
}
}
$keys = array_values(array_unique(array_merge($mirrorIds, $signatureKeys)));
sort($keys);
$expected = DiviReference::expected();
self::assertSame($ids, array_keys($expected));
foreach ($expected as $id => $hash) {
self::assertMatchesRegularExpression('/^[0-9a-f]{64}$/', $hash, $id);
self::assertSame($keys, array_keys($expected));
foreach ($expected as $key => $hash) {
self::assertMatchesRegularExpression('/^[0-9a-f]{64}$/', $hash, $key);
}
foreach ($mirrorIds as $id) {
self::assertNotNull(DiviReference::readSource($id, (string) DiviReference::sourceDir()), $id);
}
}
public function testEverySignatureKeyStartsWithThePrefixNoMirrorIdUses(): void
{
foreach (DiviAdapters::mirrors() as $mirror) {
self::assertStringStartsNotWith(DiviReference::SIGNATURE_PREFIX, $mirror->id);
}
self::assertSame('sig:et_pb_is_allowed', DiviReference::signatureKey(new Call('et_pb_is_allowed', 1)));
self::assertSame(
'sig:ET_Core_PageResource::remove_static_resources',
DiviReference::signatureKey(new Call('\\ET_Core_PageResource::remove_static_resources', 3))
);
}
public function testCallsListsEverySymbolOnceAcrossTheManifests(): void
{
$symbols = array_map(static fn (Call $call): string => ltrim($call->symbol, '\\'), DiviAdapters::calls());
self::assertSame($symbols, array_values(array_unique($symbols)));
self::assertContains('ET_Core_PageResource::remove_static_resources', $symbols);
self::assertCount(1, array_keys($symbols, 'ET_Core_PageResource::remove_static_resources', true));
self::assertContains('et_pb_is_allowed', $symbols);
}
public function testCurrentSignaturesAreSortedAndKeyedLikeTheReference(): void
{
$signatures = DiviReference::currentSignatures([
new Call('strlen', 1),
new Call('\\str_replace', 3),
new Call('strlen', 1),
]);
self::assertSame(['sig:str_replace', 'sig:strlen'], array_keys($signatures));
self::assertSame(SignatureFingerprint::of(new Call('strlen')), $signatures['sig:strlen']);
}
public function testCurrentSignaturesRefuseASymbolThatIsNotLoaded(): void
{
$this->expectException(RuntimeException::class);
$this->expectExceptionMessage('signature of lit_mcp_missing_function(): symbol is not loaded');
DiviReference::currentSignatures([new Call('strlen', 1), new Call('lit_mcp_missing_function', 0)]);
}
public function testSignatureKeysAreWrittenAndReadLikeMirrorIds(): void
{
$file = (string) tempnam(sys_get_temp_dir(), 'lit');
try {
DiviReference::writeExpected([
'sig:Z\\Klass::run' => str_repeat('c', 64),
'tb-api-save' => str_repeat('b', 64),
'sig:a_function' => str_repeat('a', 64),
], $file);
self::assertSame(
['sig:Z\\Klass::run', 'sig:a_function', 'tb-api-save'],
array_keys(DiviReference::expected($file))
);
} finally {
unlink($file);
}
}
public function testWritesAndReadsExpectedFingerprintsSorted(): void
{
$file = (string) tempnam(sys_get_temp_dir(), 'lit');
@@ -0,0 +1,202 @@
<?php
declare(strict_types=1);
namespace LIT\MCP\Tests\Unit\Integrations\Divi\Release;
use ArrayObject;
use LIT\MCP\Integrations\Divi\Release\Call;
use LIT\MCP\Integrations\Divi\Release\SignatureFingerprint;
use PHPUnit\Framework\TestCase;
/** Stand-in for a Divi class: one baseline method and one variant per property the fingerprint covers. */
final class SignatureFixture
{
public static function base(int $id, string|array $data = [], &$ref = null, ...$rest): ?bool
{
return null;
}
/** Same signature, other parameter names and other default values: no change. */
public static function renamed(int $post, string|array $payload = '', &$out = 5, ...$more): ?bool
{
return null;
}
public static function extraRequired(int $id, string|array $data, &$ref = null, ...$rest): ?bool
{
return null;
}
public static function fewer(int $id, string|array $data = []): ?bool
{
return null;
}
public static function typeChanged(string $id, string|array $data = [], &$ref = null, ...$rest): ?bool
{
return null;
}
public static function unionWidened(int $id, string|array|int $data = [], &$ref = null, ...$rest): ?bool
{
return null;
}
public static function notNullable(int $id, string|array $data = [], &$ref = null, ...$rest): bool
{
return true;
}
public static function byValue(int $id, string|array $data = [], $ref = null, ...$rest): ?bool
{
return null;
}
public static function notVariadic(int $id, string|array $data = [], &$ref = null, $rest = null): ?bool
{
return null;
}
public static function defaultRemoved(int $id, string|array $data, &$ref, ...$rest): ?bool
{
return null;
}
public static function returnChanged(int $id, string|array $data = [], &$ref = null, ...$rest): ?int
{
return null;
}
public function notStatic(int $id, string|array $data = [], &$ref = null, ...$rest): ?bool
{
return null;
}
protected static function notPublic(int $id, string|array $data = [], &$ref = null, ...$rest): ?bool
{
return null;
}
public static function untyped($id, $data = [])
{
return null;
}
public static function mixedTyped(mixed $id, mixed $data = []): mixed
{
return null;
}
}
final class SignatureFingerprintTest extends TestCase
{
private const FIXTURE = SignatureFixture::class;
private static function method(string $name): Call
{
return new Call(self::FIXTURE . '::' . $name);
}
public function testIsASha256OfAnExistingFunctionAndStable(): void
{
$hash = SignatureFingerprint::of(new Call('strlen', 1));
self::assertMatchesRegularExpression('/^[0-9a-f]{64}$/', (string) $hash);
self::assertSame($hash, SignatureFingerprint::of(new Call('strlen', 1)));
self::assertNotSame($hash, SignatureFingerprint::of(new Call('str_replace', 3)));
}
public function testMissingSymbolsGiveNull(): void
{
self::assertNull(SignatureFingerprint::of(new Call('lit_mcp_missing_function')));
self::assertNull(SignatureFingerprint::of(new Call('Missing\Klass::run')));
self::assertNull(SignatureFingerprint::of(new Call(ArrayObject::class . '::missing')));
self::assertNull(SignatureFingerprint::canonical(new Call('lit_mcp_missing_function')));
}
public function testCanonicalTextDescribesTheSignature(): void
{
self::assertSame(
'public static (int, array|string=, &mixed=, ...mixed): ?bool',
SignatureFingerprint::canonical(self::method('base'))
);
self::assertSame('function (string): int', SignatureFingerprint::canonical(new Call('strlen')));
self::assertSame(
'public (int, array|string=, &mixed=, ...mixed): ?bool',
SignatureFingerprint::canonical(self::method('notStatic'))
);
}
/** @return array<string, array{string}> */
public static function changedSignatures(): array
{
return [
'extra required parameter' => ['extraRequired'],
'fewer parameters' => ['fewer'],
'parameter type' => ['typeChanged'],
'wider union' => ['unionWidened'],
'return type loses null' => ['notNullable'],
'by reference lost' => ['byValue'],
'variadic lost' => ['notVariadic'],
'default removed' => ['defaultRemoved'],
'return type' => ['returnChanged'],
'no longer static' => ['notStatic'],
'no longer public' => ['notPublic'],
];
}
/** @dataProvider changedSignatures */
public function testAnyChangeOfTheInterfaceChangesTheHash(string $variant): void
{
self::assertNotSame(
SignatureFingerprint::of(self::method('base')),
SignatureFingerprint::of(self::method($variant)),
$variant
);
}
public function testRenamedParametersAndOtherDefaultValuesKeepTheHash(): void
{
self::assertSame(
SignatureFingerprint::of(self::method('base')),
SignatureFingerprint::of(self::method('renamed'))
);
}
public function testNoTypeReadsAsMixed(): void
{
self::assertSame(
SignatureFingerprint::of(self::method('untyped')),
SignatureFingerprint::of(self::method('mixedTyped'))
);
}
public function testTheCallsOwnArgumentCountAndFeaturesAreNotPartOfIt(): void
{
self::assertSame(
SignatureFingerprint::of(new Call(self::FIXTURE . '::base', 2)),
SignatureFingerprint::of(new Call('\\' . self::FIXTURE . '::base', null, []))
);
}
public function testAFunctionAndAMethodOfTheSameShapeDiffer(): void
{
self::assertNotSame(
SignatureFingerprint::of(new Call('strlen')),
SignatureFingerprint::of(new Call(ArrayObject::class . '::count'))
);
}
public function testTheClassNeverIncludesAFile(): void
{
$source = (string) file_get_contents(
dirname(__DIR__, 5) . '/src/Integrations/Divi/Release/SignatureFingerprint.php'
);
$forbidden = [T_INCLUDE, T_INCLUDE_ONCE, T_REQUIRE, T_REQUIRE_ONCE, T_EVAL];
foreach (token_get_all($source) as $token) {
self::assertFalse(is_array($token) && in_array($token[0], $forbidden, true), 'no include, require or eval');
}
}
}