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1. main core/tests/Drupal/Tests/PerformanceTestTrait.php \Drupal\Tests\PerformanceTestTrait::calculateAllowedByteTolerance()

Returns how much a bytes metric is allowed to vary without failing.

A range of bytes is allowed so that minor changes to CSS/JS files are possible without requiring performance test updates.

Parameters

int $bytes: The number of bytes.

Return value

int 2000 or 20% of the bytes, if that is lower.

2 calls to PerformanceTestTrait::calculateAllowedByteTolerance()

PerformanceTestTrait::assertMetrics in core/tests/Drupal/Tests/PerformanceTestTrait.php

Assert metrics from a performance data value object.

PerformanceTestTrait::assertMetricsByName in core/tests/Drupal/Tests/PerformanceTestTrait.php

Asserts metrics against the stored expectations.

File

core/tests/Drupal/Tests/PerformanceTestTrait.php, line 705

Class

PerformanceTestTrait

Provides various methods to aid in collecting performance data during tests.

Namespace

Drupal\Tests

Code

public function calculateAllowedByteTolerance(int $bytes) : int {
  return (int) min($bytes * 0.2, 2000);
}

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