TimingTest.php

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<?php
class TimingTest extends PHPUnit_Framework_TestCase {
 
    public function testClearMarks() {
        $timing = new Timing;
        $this->assertCount( 1, $timing->getEntries() );
 
        $timing->mark( 'a' );
        $timing->mark( 'b' );
        $this->assertCount( 3, $timing->getEntries() );
 
        $timing->clearMarks( 'a' );
        $this->assertNull( $timing->getEntryByName( 'a' ) );
        $this->assertNotNull( $timing->getEntryByName( 'b' ) );
 
        $timing->clearMarks();
        $this->assertCount( 1, $timing->getEntries() );
    }
 
    public function testMark() {
        $timing = new Timing;
        $timing->mark( 'a' );
 
        $entry = $timing->getEntryByName( 'a' );
        $this->assertEquals( 'a', $entry['name'] );
        $this->assertEquals( 'mark', $entry['entryType'] );
        $this->assertArrayHasKey( 'startTime', $entry );
        $this->assertEquals( 0, $entry['duration'] );
 
        usleep( 100 );
        $timing->mark( 'a' );
        $newEntry = $timing->getEntryByName( 'a' );
        $this->assertGreaterThan( $entry['startTime'], $newEntry['startTime'] );
    }
 
    public function testMeasure() {
        $timing = new Timing;
 
        $timing->mark( 'a' );
        usleep( 100 );
        $timing->mark( 'b' );
 
        $a = $timing->getEntryByName( 'a' );
        $b = $timing->getEntryByName( 'b' );
 
        $timing->measure( 'a_to_b', 'a', 'b' );
 
        $entry = $timing->getEntryByName( 'a_to_b' );
        $this->assertEquals( 'a_to_b', $entry['name'] );
        $this->assertEquals( 'measure', $entry['entryType'] );
        $this->assertEquals( $a['startTime'], $entry['startTime'] );
        $this->assertEquals( $b['startTime'] - $a['startTime'], $entry['duration'] );
    }
 
    public function testGetEntriesByType() {
        $timing = new Timing;
 
        $timing->mark( 'mark_a' );
        usleep( 100 );
        $timing->mark( 'mark_b' );
        usleep( 100 );
        $timing->mark( 'mark_c' );
 
        $timing->measure( 'measure_a', 'mark_a', 'mark_b' );
        $timing->measure( 'measure_b', 'mark_b', 'mark_c' );
 
        $marks = array_map( function ( $entry ) {
            return $entry['name'];
        }, $timing->getEntriesByType( 'mark' ) );
 
        $this->assertEquals( [ 'requestStart', 'mark_a', 'mark_b', 'mark_c' ], $marks );
 
        $measures = array_map( function ( $entry ) {
            return $entry['name'];
        }, $timing->getEntriesByType( 'measure' ) );
 
        $this->assertEquals( [ 'measure_a', 'measure_b' ], $measures );
    }
}