6772d2c969
The feature was included presuming the PerDbNameStatsdDataFactory was a required use case. Static labels supported a use case that we no longer consider good practice and was likely bug-ridden. For more information, see linked bug. Bug: T359436 Change-Id: I60c497727fdae493c3bb18de3bd1a4db338132cc
88 lines
2.7 KiB
PHP
88 lines
2.7 KiB
PHP
<?php
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namespace Wikimedia\Tests\Stats;
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use InvalidArgumentException;
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use PHPUnit\Framework\TestCase;
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use Wikimedia\Stats\Exceptions\UnsupportedFormatException;
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use Wikimedia\Stats\Metrics\CounterMetric;
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use Wikimedia\Stats\Metrics\GaugeMetric;
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use Wikimedia\Stats\Metrics\NullMetric;
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use Wikimedia\Stats\Metrics\TimingMetric;
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use Wikimedia\Stats\OutputFormats;
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use Wikimedia\Stats\StatsCache;
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use Wikimedia\Stats\StatsFactory;
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use Wikimedia\Stats\StatsUtils;
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/**
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* @covers \Wikimedia\Stats\StatsFactory
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* @covers \Wikimedia\Stats\StatsUtils
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*/
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class StatsFactoryTest extends TestCase {
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public function testGetCounter() {
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$m = StatsFactory::newNull();
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$this->assertInstanceOf( CounterMetric::class, $m->getCounter( 'test' ) );
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}
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public function testGetGauge() {
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$m = StatsFactory::newNull();
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$this->assertInstanceOf( GaugeMetric::class, $m->getGauge( 'test' ) );
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}
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public function testGetTiming() {
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$m = StatsFactory::newNull();
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$this->assertInstanceOf( TimingMetric::class, $m->getTiming( 'test' ) );
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}
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public function testUnsupportedOutputFormat() {
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$this->expectException( UnsupportedFormatException::class );
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OutputFormats::getNewFormatter( 999 );
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}
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public function testEmptyPrefix() {
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$this->expectException( InvalidArgumentException::class );
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OutputFormats::getNewEmitter( '', new StatsCache, OutputFormats::getNewFormatter( OutputFormats::STATSD ), '' );
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}
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public function testUnsetNameConfig() {
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$m = StatsFactory::newNull();
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$this->expectException( InvalidArgumentException::class );
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$m->getCounter( '' );
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}
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public function testNormalizeString() {
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$this->assertEquals(
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'new_metric_and_things',
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StatsUtils::normalizeString( 'new metric @#&^and *-&-*things-*&-*!@#&^%#$' )
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);
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}
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public function testNormalizeArray() {
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$this->assertEquals(
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[ 'new_test_metric', 'another_new_test_metric' ],
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StatsUtils::normalizeArray( [ 'new.test|metric', 'another$new-test_metric' ] )
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);
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}
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public function testGetNullMetricWithLabelMismatch() {
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$m = StatsFactory::newNull();
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// initialize a counter and add a sample
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$m->getCounter( 'test_metric' )->setLabel( 'a', 'a' )->increment();
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// get the same counter and attempt to add a different label key
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$metric = @$m->getCounter( 'test_metric' )->setLabel( 'b', 'b' );
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$this->assertInstanceOf( NullMetric::class, $metric );
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}
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public function testGetNullMetricOnNameCollision() {
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$m = StatsFactory::newNull();
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// define metric as counter 'test'
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$m->getCounter( 'test' );
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// redefine metric as timing 'test'
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$metric = @$m->getTiming( 'test' );
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// gauge response must be null metric
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$this->assertInstanceOf( NullMetric::class, $metric );
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// NullMetric should not throw for any method call
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$metric->increment();
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}
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}
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