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feat(changelog): Hook lit_mcp_changed

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ChangeLog::record() löst nach jeder erfolgreichen oder teilweise gespeicherten Änderung lit_mcp_changed(ability, objectType, objectId, logId) aus, nie bei abgelehnten. Die Werte sind gekürzt wie im Protokoll; Ausnahmen von Listenern werden protokolliert und ändern das Ergebnis des Tools nicht.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jan-Niclas Loosen
2026-11-06 14:50:12 +01:00
co-authored by Claude Opus 5.5
parent 1a294b7881
commit c383b99e7d
2 changed files with 137 additions and 5 deletions
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tests/Unit/ChangeLog/ChangeLogTest.php
+101
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@@ -4,6 +4,7 @@ declare(strict_types=1);
namespace LIT\MCP\Tests\Unit\ChangeLog;
use Brain\Monkey\Actions;
use Brain\Monkey\Functions;
use LIT\MCP\ChangeLog\ChangeLog;
use LIT\MCP\Server\RequestContext;
@@ -67,6 +68,106 @@ final class ChangeLogTest extends TestCase
unlink($log);
}
private function dbInserting(int|false $outcome): \wpdb
{
Functions\when('current_time')->justReturn('2026-09-25 08:00:00');
Functions\when('get_current_user_id')->justReturn(3);
$db = Mockery::mock(\wpdb::class)->makePartial();
$db->allows('insert')->andReturnUsing(static function () use ($db, $outcome): int|false {
$db->insert_id = 77;
return $outcome;
});
return $db;
}
public function testAnOkEntryAnnouncesTheChange(): void
{
$seen = [];
Actions\expectDone('lit_mcp_changed')->once()->whenHappen(static function (...$args) use (&$seen): void {
$seen = $args;
});
(new ChangeLog($this->dbInserting(1)))->record('lit/content-update', 'page', '12', 'x');
self::assertSame(['lit/content-update', 'page', '12', 77], $seen);
}
public function testARefusedEntryDoesNotAnnounceAChange(): void
{
Actions\expectDone('lit_mcp_changed')->never();
(new ChangeLog($this->dbInserting(1)))->record('lit/x', 'page', '1', 'x', result: 'refused');
$this->addToAssertionCount(1);
}
/** A partly executed change changed something: listeners (cache purge) must hear of it. */
public function testAPartialEntryAnnouncesTheChange(): void
{
$seen = [];
Actions\expectDone('lit_mcp_changed')->once()->whenHappen(static function (...$args) use (&$seen): void {
$seen = $args;
});
(new ChangeLog($this->dbInserting(1)))->record('lit/x', 'page', '1', 'x', result: 'partial');
self::assertSame(['lit/x', 'page', '1', 77], $seen);
}
/** Listeners get the same shortened values as the log row (ability 100, type 50, id 191). */
public function testTheAnnouncementCarriesTheShortenedValuesOfTheRow(): void
{
$seen = [];
Actions\expectDone('lit_mcp_changed')->once()->whenHappen(static function (...$args) use (&$seen): void {
$seen = $args;
});
(new ChangeLog($this->dbInserting(1)))
->record(str_repeat('a', 150), str_repeat('t', 80), str_repeat('ä', 300), 'x');
self::assertSame([str_repeat('a', 100), str_repeat('t', 50), str_repeat('ä', 191), 77], $seen);
}
/** The write happened even when its log row did not: listeners (cache purge) still need to know. */
public function testAFailedInsertStillAnnouncesTheChangeWithoutALogId(): void
{
$seen = [];
Actions\expectDone('lit_mcp_changed')->once()->whenHappen(static function (...$args) use (&$seen): void {
$seen = $args;
});
$previous = ini_set('error_log', (string) tempnam(sys_get_temp_dir(), 'lit-mcp-log'));
try {
$id = (new ChangeLog($this->dbInserting(false)))->record('lit/options', 'option', 'blogname', 'x');
} finally {
ini_set('error_log', (string) $previous);
}
self::assertNull($id);
self::assertSame(['lit/options', 'option', 'blogname', null], $seen);
}
public function testAThrowingListenerChangesNothingAndIsLogged(): void
{
Actions\expectDone('lit_mcp_changed')->once()->whenHappen(static function (): void {
throw new \RuntimeException('listener broke');
});
$log = (string) tempnam(sys_get_temp_dir(), 'lit-mcp-log');
$previous = ini_set('error_log', $log);
try {
$id = (new ChangeLog($this->dbInserting(1)))->record('lit/content-update', 'page', '12', 'x');
} finally {
ini_set('error_log', (string) $previous);
}
self::assertSame(77, $id);
self::assertStringContainsString('lit_mcp_changed failed', (string) file_get_contents($log));
self::assertStringContainsString('listener broke', (string) file_get_contents($log));
unlink($log);
}
public function testRecordTruncatesObjectIdAndAbilityToTheColumnSizes(): void
{
Functions\when('current_time')->justReturn('2026-09-25 08:00:00');