glhcp/server/vendor/stechstudio/backoff/tests/HelpersTest.php

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2023-08-10 06:59:52 +00:00
<?php
namespace STS\Backoff;
use PHPUnit\Framework\TestCase;
use STS\Backoff\Strategies\ConstantStrategy;
class HelpersTest extends TestCase
{
public function testSuccessWithDefaults()
{
$result = backoff(function() {
return "success";
});
$this->assertEquals("success", $result);
}
public function testFailureWithDefaults()
{
$this->expectException(\Exception::class);
$this->expectExceptionMessage("failure");
backoff(function() {
throw new \Exception("failure");
}, 2);
}
public function testStrategy()
{
$start = microtime(true);
// We're going to run a test for 100 attempts, just to verify we were able to
// set our own strategy with a low sleep time.
try {
backoff(function() {
throw new \Exception("failure");
}, 100, new ConstantStrategy(1));
} catch(\Exception $e) {}
$end = microtime(true);
$elapsedMS = ($end - $start) * 1000;
// We expect that this took just a bit over the 100ms that we slept
$this->assertTrue($elapsedMS > 100 && $elapsedMS < 200);
}
public function testWaitCap()
{
$start = microtime(true);
// We're going to specify a really long sleep time, but with a short cap to override.
try {
backoff(function() {
throw new \Exception("failure");
}, 2, new ConstantStrategy(100000), 100);
} catch(\Exception $e) {}
$end = microtime(true);
$elapsedMS = ($end - $start) * 1000;
// We expect that this took just a bit over the 100ms that we slept
$this->assertTrue($elapsedMS > 90 && $elapsedMS < 150,
sprintf("Expected elapsedMS between 90 & 200, got: $elapsedMS\n"));
}
}