generate_coverage_report.php

<?php

// This script generates JSON report for coverage badge github action and generates markdown report for coverage-diff github action

$outputPath = __DIR__.'/cov/json/';
$markdownPath = __DIR__.'/cov/markdown/';

$contents = file_get_contents(__DIR__.'/cov/xml/clover.xml');
$xml = simplexml_load_string($contents);
$arr = json_decode(json_encode($xml), true);

$metrics = $arr['project']['metrics']['@attributes'];

// Calculate coverage metrics
$statementsCovered = (int) $metrics['coveredstatements'];
$statementsTotal = (int) $metrics['statements'];
$statementsPct = $statementsTotal > 0 ? ($statementsCovered / $statementsTotal) * 100 : 0;

$functionsCovered = (int) $metrics['coveredmethods'];
$functionsTotal = (int) $metrics['methods'];
$functionsPct = $functionsTotal > 0 ? ($functionsCovered / $functionsTotal) * 100 : 0;

// Function to return color based on percentage
function getCoverageStatus($percentage)
{
    if ($percentage >= 80) {
        return ':green_circle:';
    }
    if ($percentage >= 50) {
        return ':yellow_circle:';
    }

    return ':red_circle:';
}

// Generate JSON report
$map = [
    'total' => [
        'statements' => ['pct' => number_format($statementsPct, 2)],
    ],
];
file_put_contents($outputPath.'index.json', json_encode($map));

// Generate Markdown report
$markdown = "# Code Coverage Report\n\n";
$markdown .= "## Coverage Report\n\n";
$markdown .= "| St. | Category       | Percentage | Covered / Total |\n";
$markdown .= "|-----|----------------|------------|-----------------|\n";
$markdown .= sprintf(
    "| %s | Statements      | %.2f%%     | %d / %d          |\n",
    getCoverageStatus($statementsPct),
    $statementsPct,
    $statementsCovered,
    $statementsTotal
);
$markdown .= sprintf(
    "| %s | Functions       | %.2f%%     | %d / %d          |\n",
    getCoverageStatus($functionsPct),
    $functionsPct,
    $functionsCovered,
    $functionsTotal
);

$markdown .= "\n<details>\n";
$markdown .= "<summary>Files Coverage</summary>\n\n";
$markdown .= "| St. | File | Methods | Statements | Total Coverage |\n";
$markdown .= "|-----|------|---------|------------|----------------|\n";

foreach ($arr['project']['file'] as $file) {
    $filePath = 'src/'.explode('src/', $file['@attributes']['name'])[1];
    $fileMetrics = $file['metrics']['@attributes'];

    $methodsPct = $fileMetrics['methods'] > 0 ? ($fileMetrics['coveredmethods'] / $fileMetrics['methods']) * 100 : 0;
    $statementsPct = $fileMetrics['statements'] > 0 ? ($fileMetrics['coveredstatements'] / $fileMetrics['statements']) * 100 : 0;

    $fileElements = (int) $fileMetrics['elements'];
    $fileCoveredElements = (int) $fileMetrics['coveredelements'];
    $totalCoveragePct = $fileElements > 0 ? ($fileCoveredElements / $fileElements) * 100 : 0;

    $markdown .= sprintf(
        "| %s | %s | %.2f%% | %.2f%% | %.2f%% |\n",
        getCoverageStatus($totalCoveragePct),
        $filePath,
        $methodsPct,
        $statementsPct,
        $totalCoveragePct
    );
}

$markdown .= "\n</details>\n";

file_put_contents($markdownPath.'coverage_report.md', $markdown);