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BenchmarkerTest.php
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BenchmarkerTest.php
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<?php
namespace MediaWiki\Tests\Maintenance\Includes;
use MediaWiki\Maintenance\Benchmarker;
use MediaWikiCoversValidator;
use PHPUnit\Framework\TestCase;
use Wikimedia\TestingAccessWrapper;
/**
* @covers \MediaWiki\Maintenance\Benchmarker
*/
class BenchmarkerTest extends TestCase {
use MediaWikiCoversValidator;
public function testBenchSimple() {
$bench = $this->getMockBuilder( Benchmarker::class )
->onlyMethods( [ 'execute', 'output' ] )
->getMock();
$benchProxy = TestingAccessWrapper::newFromObject( $bench );
$benchProxy->defaultCount = 3;
$count = 0;
$bench->bench( [
'test' => static function () use ( &$count ) {
$count++;
}
] );
$this->assertSame( 3, $count );
}
public function testBenchSetup() {
$bench = $this->getMockBuilder( Benchmarker::class )
->onlyMethods( [ 'execute', 'output' ] )
->getMock();
$benchProxy = TestingAccessWrapper::newFromObject( $bench );
$benchProxy->defaultCount = 2;
$buffer = [];
$bench->bench( [
'test' => [
'setup' => static function () use ( &$buffer ) {
$buffer[] = 'setup';
},
'function' => static function () use ( &$buffer ) {
$buffer[] = 'run';
}
]
] );
$this->assertSame( [ 'setup', 'run', 'run' ], $buffer );
}
public function testBenchVerbose() {
$bench = $this->getMockBuilder( Benchmarker::class )
->onlyMethods( [ 'execute', 'output', 'hasOption', 'verboseRun' ] )
->getMock();
$benchProxy = TestingAccessWrapper::newFromObject( $bench );
$benchProxy->defaultCount = 1;
$bench->expects( $this->once() )->method( 'hasOption' )
->willReturnMap( [
[ 'verbose', true ],
] );
$bench->expects( $this->once() )->method( 'verboseRun' )
->with( 0 )
->willReturn( null );
$bench->bench( [
'test' => static function () {
}
] );
}
public function noop() {
}
public function testBenchName_method() {
$bench = $this->getMockBuilder( Benchmarker::class )
->onlyMethods( [ 'execute', 'output', 'addResult' ] )
->getMock();
$benchProxy = TestingAccessWrapper::newFromObject( $bench );
$benchProxy->defaultCount = 1;
$bench->expects( $this->once() )->method( 'addResult' )
->with( $this->callback( static function ( $res ) {
return isset( $res['name'] ) && $res['name'] === ( __CLASS__ . '::noop()' );
} ) );
$bench->bench( [
[ 'function' => [ $this, 'noop' ] ]
] );
}
public function testBenchName_string() {
$bench = $this->getMockBuilder( Benchmarker::class )
->onlyMethods( [ 'execute', 'output', 'addResult' ] )
->getMock();
$benchProxy = TestingAccessWrapper::newFromObject( $bench );
$benchProxy->defaultCount = 1;
$bench->expects( $this->once() )->method( 'addResult' )
->with( $this->callback( static function ( $res ) {
return $res['name'] === "strtolower('A')";
} ) );
$bench->bench( [ [
'function' => 'strtolower',
'args' => [ 'A' ],
] ] );
}
public function testVerboseRun() {
$bench = $this->getMockBuilder( Benchmarker::class )
->onlyMethods( [ 'execute', 'output', 'hasOption', 'startBench', 'addResult' ] )
->getMock();
$benchProxy = TestingAccessWrapper::newFromObject( $bench );
$benchProxy->defaultCount = 1;
$bench->expects( $this->once() )->method( 'hasOption' )
->willReturnMap( [
[ 'verbose', true ],
] );
$bench->expects( $this->once() )->method( 'output' )
->with( $this->callback( static function ( $out ) {
return preg_match( '/memory.+ peak/', $out ) === 1;
} ) );
$bench->bench( [
'test' => static function () {
}
] );
}
public function testNaming() {
$bench = $this->getMockBuilder( Benchmarker::class )
->onlyMethods( [ 'execute', 'output', 'startBench' ] )
->getMock();
$benchProxy = TestingAccessWrapper::newFromObject( $bench );
$benchProxy->defaultCount = 1;
$out = '';
$bench->expects( $this->any() )->method( 'output' )
->willReturnCallback( static function ( $str ) use ( &$out ) {
$out .= $str;
return null;
} );
$bench->bench( [
[
'function' => 'in_array',
'args' => [ 'A', [ 'X', 'Y' ] ],
],
[
'function' => 'in_array',
'args' => [ 'A', [ 'X', 'Y', str_repeat( 'z', 900 ) ] ],
],
[
'function' => 'strtolower',
'args' => [ 'A' ],
],
[
'function' => 'strtolower',
'args' => [ str_repeat( 'x', 900 ) ],
],
[
'function' => 'in_array',
'args' => [ str_repeat( 'y', 900 ), [] ],
],
[
'function' => 'in_array',
'args' => [ str_repeat( 'z', 900 ), [] ],
],
] );
$out = preg_replace( '/^.*(: |memory).*\n/m', '', $out );
$out = trim( str_replace( "\n\n", "\n", $out ) );
$this->assertEquals(
<<<TEXT
in_array@1
in_array@2
strtolower('A')
strtolower@2
in_array@3
in_array@4
TEXT,
$out
);
}
}

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