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