Code Coverage for /workspace/src/includes/libs/WRStats/MetricSpec.php

1	<?php
2
3	namespace Wikimedia\WRStats;
4
5	/**
6	* Class representation of normalized metric specifications
7	*
8	* @internal
9	*/
10	class MetricSpec {
11	/** The default (value axis) resolution */
12	public const DEFAULT_RESOLUTION = 1;
13
14	/** @var string */
15	public $type;
16	/** @var float\|int */
17	public $resolution;
18	/** @var array<string,SequenceSpec> Sequences in ascending order of expiry */
19	public $sequences;
20
21	/**
22	* @param array $spec
23	*/
24	public function __construct( array $spec ) {
25	$this->type = $spec['type'] ?? 'counter';
26	$this->resolution = $spec['resolution'] ?? self::DEFAULT_RESOLUTION;
27	foreach ( [ 'timeStep', 'expiry' ] as $var ) {
28	if ( isset( $spec[$var] ) ) {
29	throw new WRStatsError( "$var must be in the sequences array" );
30	}
31	}
32	$seqArrays = $spec['sequences'] ?? [];
33	if ( !$seqArrays ) {
34	$seqArrays = [ [] ];
35	}
36	$sequences = [];
37	foreach ( $seqArrays as $i => $seqArray ) {
38	if ( !is_array( $seqArray ) ) {
39	throw new WRStatsError( 'sequences must be an array of arrays' );
40	}
41	$seqSpec = new SequenceSpec( $seqArray );
42	while ( isset( $sequences[$seqSpec->name] ) ) {
43	$seqSpec->name .= "s$i";
44	}
45	$sequences[$seqSpec->name] = $seqSpec;
46	}
47	uasort( $sequences, static function ( SequenceSpec $a, SequenceSpec $b ) {
48	return $a->hardExpiry <=> $b->hardExpiry;
49	} );
50	$this->sequences = $sequences;
51	}
52	}