Notice "2x WARNING: Timeout: Some coverage data is not included in the coverage report." always appears #6837

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1. particleflux commented on Jul 17, 2026

   

   particleflux

   on Jul 17, 2026

   More actions

   I found something out about this...

   Seems this warning is incorrectly shown when \Codeception\Coverage\Subscriber\LocalServer::waitForFile() is waiting on coverage file.

   That method is called for both the "block_report" file, where it is correct, and the serialized coverage file, where it is incorrect:

   Codeception/src/Codeception/Coverage/Subscriber/LocalServer.php

   Lines 152 to 153 in eb7a6a2

   	$this->waitForFile($blockFile, 120, 250_000);
   	$this->waitForFile($coverageFile, 5, 500_000);

   For the coverage.serialized, it should not check for file content != '0', otherwise it waits for coverage file contents to be exactly 0 - and logs the warning if it never gets there.

   Codeception/src/Codeception/Coverage/Subscriber/LocalServer.php

   Lines 329 to 331 in eb7a6a2

   	if (!file_exists($file) || file_get_contents($file) !== '0') {
   	Notification::warning('Timeout: Some coverage data is not included in the coverage report.', '');
   	}

   In the case of the coverage.serialized, tho, the warning is wrong, as it opens it again afterwards anyway.

   Suggested fix, sth like this:

   --- old/LocalServer.php	2026-02-18 07:18:00.000000000 +0100
   +++ new/LocalServer.php	2026-07-17 20:30:54.556825254 +0200
   @@ -149,8 +149,8 @@
            $coverageFile = $outputDir . 'codecoverage.serialized';
            $errorFile = $outputDir . 'error.txt';
    
   -        $this->waitForFile($blockFile, 120, 250_000);
   -        $this->waitForFile($coverageFile, 5, 500_000);
   +        $this->waitForFile($blockFile, 220, 250_000, true);
   +        $this->waitForFile($coverageFile, 5, 500_000, false);
    
            if (!file_exists($coverageFile)) {
                throw new RuntimeException(
   @@ -318,15 +318,17 @@
            }
        }
    
   -    private function waitForFile(string $file, int $maxRetries, int $sleepTime): void
   +    private function waitForFile(string $file, int $maxRetries, int $sleepTime, bool $isBlockFile): void
        {
            $retries = $maxRetries;
   -        while ($retries > 0 && (!file_exists($file) || file_get_contents($file) !== '0')) {
   +        while ($retries > 0 && (!file_exists($file) || ($isBlockFile && file_get_contents($file) !== '0'))) {
                usleep($sleepTime);
                --$retries;
            }
    
   -        if (!file_exists($file) || file_get_contents($file) !== '0') {
   +        if (!file_exists($file) || ($isBlockFile && file_get_contents($file) !== '0')) {
                Notification::warning('Timeout: Some coverage data is not included in the coverage report.', '');
            }
        }