More tests

common/scripts/show-coverage-summary.js

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+#!/usr/bin/env node
+
+/**
+ * Display coverage summary from lcov.info file
+ * Usage: node show-coverage-summary.js [lcov-file-path]
+ */
+
+const fs = require('fs')
+const path = require('path')
+
+const lcovFile = process.argv[2] || 'coverage/lcov.info'
+const root = process.cwd()
+const lcovPath = path.isAbsolute(lcovFile) ? lcovFile : path.join(root, lcovFile)
+
+if (!fs.existsSync(lcovPath)) {
+  console.error(`Error: LCOV file not found: ${lcovPath}`)
+  process.exit(1)
+}
+
+console.log('==============================================')
+console.log('COVERAGE SUMMARY BY PACKAGE')
+console.log('==============================================')
+console.log('')
+
+const data = fs.readFileSync(lcovPath, 'utf8')
+const lines = data.split(/\r?\n/)
+
+const fileStats = new Map()
+const filePkg = new Map()
+let currentFile = ''
+
+// Parse lcov.info
+for (const line of lines) {
+  if (line.startsWith('SF:')) {
+    currentFile = line.substring(3)
+    fileStats.set(currentFile, { total: 0, covered: 0 })
+
+    // Extract package name from path
+    const parts = currentFile.split(path.sep)
+    const pkgIndex = parts.indexOf('packages')
+    if (pkgIndex !== -1 && pkgIndex + 1 < parts.length) {
+      filePkg.set(currentFile, parts[pkgIndex + 1])
+    }
+  } else if (line.startsWith('DA:')) {
+    const [lineNum, hitCount] = line.substring(3).split(',')
+    const stats = fileStats.get(currentFile)
+    if (stats) {
+      stats.total++
+      if (parseInt(hitCount) > 0) {
+        stats.covered++
+      }
+    }
+  }
+}
+
+// Aggregate by package
+const pkgStats = new Map()
+for (const [file, stats] of fileStats) {
+  const pkg = filePkg.get(file)
+  if (pkg) {
+    if (!pkgStats.has(pkg)) {
+      pkgStats.set(pkg, { total: 0, covered: 0 })
+    }
+    const pkgStat = pkgStats.get(pkg)
+    pkgStat.total += stats.total
+    pkgStat.covered += stats.covered
+  }
+}
+
+// Sort packages alphabetically
+const sortedPackages = Array.from(pkgStats.keys()).sort()
+
+// Display header
+console.log(padRight('Package', 25) + padLeft('Covered', 10) + padLeft('Total', 10) + padLeft('Coverage', 10))
+console.log('----------------------------------------------')
+
+// Display package stats
+let overallCovered = 0
+let overallTotal = 0
+
+for (const pkg of sortedPackages) {
+  const stats = pkgStats.get(pkg)
+  const pct = (stats.covered / stats.total) * 100
+  console.log(
+    padRight(pkg, 25) +
+      padLeft(stats.covered.toString(), 10) +
+      padLeft(stats.total.toString(), 10) +
+      padLeft(pct.toFixed(2) + '%', 10)
+  )
+  overallCovered += stats.covered
+  overallTotal += stats.total
+}
+
+// Display total
+console.log('----------------------------------------------')
+const overallPct = (overallCovered / overallTotal) * 100
+console.log(
+  padRight('TOTAL', 25) +
+    padLeft(overallCovered.toString(), 10) +
+    padLeft(overallTotal.toString(), 10) +
+    padLeft(overallPct.toFixed(2) + '%', 10)
+)
+console.log('')
+
+console.log('==============================================')
+console.log('')
+console.log('HTML report available at: coverage/html/index.html')
+console.log(`Merged LCOV file available at: ${lcovFile}`)
+
+// Helper functions
+function padRight(str, width) {
+  return str + ' '.repeat(Math.max(0, width - str.length))
+}
+
+function padLeft(str, width) {
+  return ' '.repeat(Math.max(0, width - str.length)) + str
+}