<?php declare(strict_types=1);
/*
* This file is part of phpunit/php-code-coverage.
*
* (c) Sebastian Bergmann <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\CodeCoverage;
use function array_key_exists;
use function array_keys;
use function array_merge;
use function array_unique;
use function count;
use function is_array;
use function ksort;
use SebastianBergmann\CodeCoverage\Driver\Driver;
/**
* @internal This class is not covered by the backward compatibility promise for phpunit/php-code-coverage
*/
final class ProcessedCodeCoverageData
{
/**
* Line coverage data.
* An array of filenames, each having an array of linenumbers, each executable line having an array of testcase ids.
*
* @var array
*/
private $lineCoverage = [];
/**
* Function coverage data.
* Maintains base format of raw data (@see https://xdebug.org/docs/code_coverage), but each 'hit' entry is an array
* of testcase ids.
*
* @var array
*/
private $functionCoverage = [];
public function initializeUnseenData(RawCodeCoverageData $rawData): void
{
foreach ($rawData->lineCoverage() as $file => $lines) {
if (!isset($this->lineCoverage[$file])) {
$this->lineCoverage[$file] = [];
foreach ($lines as $k => $v) {
$this->lineCoverage[$file][$k] = $v === Driver::LINE_NOT_EXECUTABLE ? null : [];
}
}
}
foreach ($rawData->functionCoverage() as $file => $functions) {
foreach ($functions as $functionName => $functionData) {
if (isset($this->functionCoverage[$file][$functionName])) {
$this->initPreviouslySeenFunction($file, $functionName, $functionData);
} else {
$this->initPreviouslyUnseenFunction($file, $functionName, $functionData);
}
}
}
}
public function markCodeAsExecutedByTestCase(string $testCaseId, RawCodeCoverageData $executedCode): void
{
foreach ($executedCode->lineCoverage() as $file => $lines) {
foreach ($lines as $k => $v) {
if ($v === Driver::LINE_EXECUTED) {
$this->lineCoverage[$file][$k][] = $testCaseId;
}
}
}
foreach ($executedCode->functionCoverage() as $file => $functions) {
foreach ($functions as $functionName => $functionData) {
foreach ($functionData['branches'] as $branchId => $branchData) {
if ($branchData['hit'] === Driver::BRANCH_HIT) {
$this->functionCoverage[$file][$functionName]['branches'][$branchId]['hit'][] = $testCaseId;
}
}
foreach ($functionData['paths'] as $pathId => $pathData) {
if ($pathData['hit'] === Driver::BRANCH_HIT) {
$this->functionCoverage[$file][$functionName]['paths'][$pathId]['hit'][] = $testCaseId;
}
}
}
}
}
public function setLineCoverage(array $lineCoverage): void
{
$this->lineCoverage = $lineCoverage;
}
public function lineCoverage(): array
{
ksort($this->lineCoverage);
return $this->lineCoverage;
}
public function setFunctionCoverage(array $functionCoverage): void
{
$this->functionCoverage = $functionCoverage;
}
public function functionCoverage(): array
{
ksort($this->functionCoverage);
return $this->functionCoverage;
}
public function coveredFiles(): array
{
ksort($this->lineCoverage);
return array_keys($this->lineCoverage);
}
public function renameFile(string $oldFile, string $newFile): void
{
$this->lineCoverage[$newFile] = $this->lineCoverage[$oldFile];
if (isset($this->functionCoverage[$oldFile])) {
$this->functionCoverage[$newFile] = $this->functionCoverage[$oldFile];
}
unset($this->lineCoverage[$oldFile], $this->functionCoverage[$oldFile]);
}
public function merge(self $newData): void
{
foreach ($newData->lineCoverage as $file => $lines) {
if (!isset($this->lineCoverage[$file])) {
$this->lineCoverage[$file] = $lines;
continue;
}
// we should compare the lines if any of two contains data
$compareLineNumbers = array_unique(
array_merge(
array_keys($this->lineCoverage[$file]),
array_keys($newData->lineCoverage[$file])
)
);
foreach ($compareLineNumbers as $line) {
$thatPriority = $this->priorityForLine($newData->lineCoverage[$file], $line);
$thisPriority = $this->priorityForLine($this->lineCoverage[$file], $line);
if ($thatPriority > $thisPriority) {
$this->lineCoverage[$file][$line] = $newData->lineCoverage[$file][$line];
} elseif ($thatPriority === $thisPriority && is_array($this->lineCoverage[$file][$line])) {
$this->lineCoverage[$file][$line] = array_unique(
array_merge($this->lineCoverage[$file][$line], $newData->lineCoverage[$file][$line])
);
}
}
}
foreach ($newData->functionCoverage as $file => $functions) {
if (!isset($this->functionCoverage[$file])) {
$this->functionCoverage[$file] = $functions;
continue;
}
foreach ($functions as $functionName => $functionData) {
if (isset($this->functionCoverage[$file][$functionName])) {
$this->initPreviouslySeenFunction($file, $functionName, $functionData);
} else {
$this->initPreviouslyUnseenFunction($file, $functionName, $functionData);
}
foreach ($functionData['branches'] as $branchId => $branchData) {
$this->functionCoverage[$file][$functionName]['branches'][$branchId]['hit'] = array_unique(array_merge($this->functionCoverage[$file][$functionName]['branches'][$branchId]['hit'], $branchData['hit']));
}
foreach ($functionData['paths'] as $pathId => $pathData) {
$this->functionCoverage[$file][$functionName]['paths'][$pathId]['hit'] = array_unique(array_merge($this->functionCoverage[$file][$functionName]['paths'][$pathId]['hit'], $pathData['hit']));
}
}
}
}
/**
* Determine the priority for a line.
*
* 1 = the line is not set
* 2 = the line has not been tested
* 3 = the line is dead code
* 4 = the line has been tested
*
* During a merge, a higher number is better.
*/
private function priorityForLine(array $data, int $line): int
{
if (!array_key_exists($line, $data)) {
return 1;
}
if (is_array($data[$line]) && count($data[$line]) === 0) {
return 2;
}
if ($data[$line] === null) {
return 3;
}
return 4;
}
/**
* For a function we have never seen before, copy all data over and simply init the 'hit' array.
*/
private function initPreviouslyUnseenFunction(string $file, string $functionName, array $functionData): void
{
$this->functionCoverage[$file][$functionName] = $functionData;
foreach (array_keys($functionData['branches']) as $branchId) {
$this->functionCoverage[$file][$functionName]['branches'][$branchId]['hit'] = [];
}
foreach (array_keys($functionData['paths']) as $pathId) {
$this->functionCoverage[$file][$functionName]['paths'][$pathId]['hit'] = [];
}
}
/**
* For a function we have seen before, only copy over and init the 'hit' array for any unseen branches and paths.
* Techniques such as mocking and where the contents of a file are different vary during tests (e.g. compiling
* containers) mean that the functions inside a file cannot be relied upon to be static.
*/
private function initPreviouslySeenFunction(string $file, string $functionName, array $functionData): void
{
foreach ($functionData['branches'] as $branchId => $branchData) {
if (!isset($this->functionCoverage[$file][$functionName]['branches'][$branchId])) {
$this->functionCoverage[$file][$functionName]['branches'][$branchId] = $branchData;
$this->functionCoverage[$file][$functionName]['branches'][$branchId]['hit'] = [];
}
}
foreach ($functionData['paths'] as $pathId => $pathData) {
if (!isset($this->functionCoverage[$file][$functionName]['paths'][$pathId])) {
$this->functionCoverage[$file][$functionName]['paths'][$pathId] = $pathData;
$this->functionCoverage[$file][$functionName]['paths'][$pathId]['hit'] = [];
}
}
}
}