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95 changes: 20 additions & 75 deletions tests/http/stateless/ApplicationMemoryTest.php
Original file line number Diff line number Diff line change
Expand Up @@ -30,69 +30,33 @@ final class ApplicationMemoryTest extends TestCase
/**
* @throws InvalidConfigException if the configuration is invalid or incomplete.
*/
public function testCleanCalculatesCorrectMemoryThresholdWith90Percent(): void
{
#[DataProviderExternal(StatelessApplicationProvider::class, 'memoryThreshold')]
public function testCleanBehaviorWithDifferentMemoryLimits(
string $memoryLimit,
bool $shouldTriggerSpecialTest,
string $assertionMessage,
): void {
$originalLimit = ini_get('memory_limit');

ini_set('memory_limit', '100M');
ini_set('memory_limit', $memoryLimit);

$app = $this->statelessApplication();

$app->handle(FactoryHelper::createServerRequestCreator()->createFromGlobals());
$memoryLimit = $app->getMemoryLimit();

self::assertFalse(
$app->clean(),
"'clean()' should return 'false' when memory usage is below the '90%' threshold of the configured memory " .
"limit ('100M'), confirming that no cleanup is needed in 'StatelessApplication'.",
);
self::assertSame(
104_857_600,
$memoryLimit,
"Memory limit should be exactly '104_857_600' bytes ('100M') for threshold calculation test in" .
"'StatelessApplication'.",
);
self::assertSame(
94_371_840.0,
$memoryLimit * 0.9,
"'90%' of '100M' should be exactly '94_371_840' bytes, not a division result like '116_508_444' bytes " .
"('100M' / '0.9') in 'StatelessApplication'.",
);

ini_set('memory_limit', $originalLimit);
}

/**
* @throws InvalidConfigException if the configuration is invalid or incomplete.
*/
public function testCleanReturnsTrueWhenMemoryUsageExactlyEqualsThreshold(): void
{
$originalLimit = ini_get('memory_limit');

ini_set('memory_limit', '2G');

$app = $this->statelessApplication();

$app->handle(FactoryHelper::createServerRequestCreator()->createFromGlobals());
if ($shouldTriggerSpecialTest === false) {
self::assertFalse($app->clean(), $assertionMessage);
}

$currentUsage = memory_get_usage(true);
if ($shouldTriggerSpecialTest === true) {
$currentUsage = memory_get_usage(true);

$artificialLimit = (int) ($currentUsage / 0.9);
$artificialLimit = (int) ($currentUsage / 0.9);

$app->setMemoryLimit($artificialLimit);
$memoryLimit = $app->getMemoryLimit();
$app->setMemoryLimit($artificialLimit);

self::assertTrue(
$app->clean(),
"'clean()' should return 'true' when memory usage is exactly at or above '90%' threshold ('>=' operator)" .
", not only when strictly greater than ('>' operator) in 'StatelessApplication'.",
);
self::assertSame(
$artificialLimit,
$memoryLimit,
"Memory limit should be set to the artificial limit '{$artificialLimit}' for threshold calculation test " .
"in 'StatelessApplication'.",
);
self::assertTrue($app->clean(), $assertionMessage);
}

ini_set('memory_limit', $originalLimit);
}
Expand Down Expand Up @@ -224,28 +188,6 @@ public function testGetMemoryLimitHandlesUnlimitedMemoryCorrectly(): void
ini_set('memory_limit', $originalLimit);
}

/**
* @throws InvalidConfigException if the configuration is invalid or incomplete.
*/
public function testReturnFalseFromCleanWhenMemoryUsageIsBelowThreshold(): void
{
$originalLimit = ini_get('memory_limit');

ini_set('memory_limit', '1G');

$app = $this->statelessApplication();

$app->handle(FactoryHelper::createServerRequestCreator()->createFromGlobals());

self::assertFalse(
$app->clean(),
"'clean()' should return 'false' when memory usage is below '90%' of the configured 'memory_limit' in " .
"'StatelessApplication'.",
);

ini_set('memory_limit', $originalLimit);
}

/**
* @throws InvalidConfigException if the configuration is invalid or incomplete.
*/
Expand Down Expand Up @@ -302,7 +244,7 @@ public function testSetMemoryLimitWithNonPositiveValueTriggersRecalculation(int

ini_set('memory_limit', '128M');

// after setting non-positive value, it should recalculate from system
// after setting non-positive value, it should recalculate from the system
$secondMemoryLimit = $app->getMemoryLimit();

self::assertSame(
Expand All @@ -320,6 +262,9 @@ public function testSetMemoryLimitWithNonPositiveValueTriggersRecalculation(int
ini_set('memory_limit', $originalLimit);
}

/**
* @throws InvalidConfigException if the configuration is invalid or incomplete.
*/
#[DataProviderExternal(StatelessApplicationProvider::class, 'memoryLimitPositive')]
public function testSetMemoryLimitWithPositiveValueSetsLimitDirectly(
int $memoryLimit,
Expand Down
30 changes: 30 additions & 0 deletions tests/provider/StatelessApplicationProvider.php
Original file line number Diff line number Diff line change
Expand Up @@ -224,4 +224,34 @@ public static function memoryLimitPositive(): array

return $data;
}

/**
* @phpstan-return array<string, array{string, bool, string}>
*/
public static function memoryThreshold(): array
{
return [
'low usage - should not clean' => [
'1G',
false,
"'clean()' should return 'false' when memory usage is below '90%' threshold with '1G' limit.",
],
'moderate usage - should not clean' => [
'512M',
false,
"'clean()' should return 'false' when memory usage is below '90%' threshold with '512M' limit.",
],
'threshold calculation - 100M' => [
'100M',
false,
"'clean()' should return 'false' with '100M' limit and verify correct '90%' threshold calculation.",
],
'high memory setup - 2G' => [
'2G',
true,
"'clean()' should return 'true' when memory usage equals the calculated '90%' threshold " .
'(using adjusted limit).',
],
];
}
}
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