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Charon/scripts/frontend-test-coverage.sh

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#!/usr/bin/env bash
set -euo pipefail
# ⚠️ DEPRECATED: This script is deprecated and will be removed in v2.0.0
# Please use: .github/skills/scripts/skill-runner.sh test-frontend-coverage
# For more info: docs/AGENT_SKILLS_MIGRATION.md
echo "⚠️ WARNING: This script is deprecated and will be removed in v2.0.0" >&2
echo " Please use: .github/skills/scripts/skill-runner.sh test-frontend-coverage" >&2
echo " For more info: docs/AGENT_SKILLS_MIGRATION.md" >&2
echo "" >&2
sleep 1
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
FRONTEND_DIR="$ROOT_DIR/frontend"
MIN_COVERAGE="${CHARON_MIN_COVERAGE:-${CPM_MIN_COVERAGE:-87}}"
CANONICAL_COVERAGE_DIR="coverage"
RUN_COVERAGE_DIR="coverage/.run-${PPID}-$$-$(date +%s)"
cd "$FRONTEND_DIR"
# Ensure dependencies are installed for CI runs
npm ci --silent
# Ensure coverage output directories exist
mkdir -p "$CANONICAL_COVERAGE_DIR"
mkdir -p "$RUN_COVERAGE_DIR"
cleanup() {
rm -rf "$RUN_COVERAGE_DIR"
}
trap cleanup EXIT
# Run tests with coverage in an isolated per-run reports directory to avoid
# collisions when multiple coverage processes execute against the same workspace.
VITEST_COVERAGE_REPORTS_DIR="$RUN_COVERAGE_DIR" npm run test:coverage -- --run
# Publish stable artifacts to the canonical coverage directory used by DoD checks.
cp "$RUN_COVERAGE_DIR/coverage-summary.json" "$CANONICAL_COVERAGE_DIR/coverage-summary.json"
cp "$RUN_COVERAGE_DIR/lcov.info" "$CANONICAL_COVERAGE_DIR/lcov.info"
SUMMARY_FILE="$CANONICAL_COVERAGE_DIR/coverage-summary.json"
LCOV_FILE="$CANONICAL_COVERAGE_DIR/lcov.info"
if [ ! -f "$SUMMARY_FILE" ]; then
echo "Error: Coverage summary file not found at $SUMMARY_FILE"
exit 1
fi
if [ ! -f "$LCOV_FILE" ]; then
echo "Error: LCOV coverage file not found at $LCOV_FILE"
exit 1
fi
# Extract coverage metrics and validate
LINES_PERCENT=$(python3 - <<'PY'
import json
import sys
try:
with open('coverage/coverage-summary.json') as f:
summary = json.load(f)
except (json.JSONDecodeError, KeyError, FileNotFoundError) as e:
print(f"Error: Failed to read coverage-summary.json: {e}", file=sys.stderr)
sys.exit(1)
if 'total' not in summary:
print("Error: 'total' key not found in coverage-summary.json", file=sys.stderr)
sys.exit(1)
total = summary['total']
metrics = ['statements', 'branches', 'functions', 'lines']
for metric in metrics:
if metric not in total:
print(f"Error: '{metric}' metric missing from coverage summary", file=sys.stderr)
sys.exit(1)
if not isinstance(total[metric], dict) or 'pct' not in total[metric]:
print(f"Error: '{metric}' metric missing 'pct' field", file=sys.stderr)
sys.exit(1)
def fmt(metric):
return f"{metric['pct']}% ({metric['covered']}/{metric['total']})"
# Print summary to stderr (won't be captured as LINES_PERCENT)
print("Frontend coverage summary:", file=sys.stderr)
print(f" Statements: {fmt(total['statements'])}", file=sys.stderr)
print(f" Branches: {fmt(total['branches'])}", file=sys.stderr)
print(f" Functions: {fmt(total['functions'])}", file=sys.stderr)
print(f" Lines: {fmt(total['lines'])}", file=sys.stderr)
lines_pct = total['lines']['pct']
if not isinstance(lines_pct, (int, float)):
print(f"Error: Coverage percentage is not numeric: {lines_pct}", file=sys.stderr)
sys.exit(1)
# Print only the numeric value to stdout (captured into LINES_PERCENT)
print(lines_pct)
PY
)
python3 - <<PY
import sys
from decimal import Decimal, InvalidOperation
lines_percent = """$LINES_PERCENT""".strip()
min_coverage = """$MIN_COVERAGE""".strip()
if not lines_percent:
print("Error: Failed to extract coverage percentage from coverage-summary.json", file=sys.stderr)
sys.exit(1)
try:
total = Decimal(lines_percent)
except InvalidOperation as e:
print(f"Error: Coverage value is not numeric: '{lines_percent}' ({e})", file=sys.stderr)
sys.exit(1)
try:
minimum = Decimal(min_coverage)
except InvalidOperation as e:
print(f"Error: Minimum coverage value is not numeric: '{min_coverage}' ({e})", file=sys.stderr)
print(" Set CHARON_MIN_COVERAGE or CPM_MIN_COVERAGE to a numeric percentage value.", file=sys.stderr)
sys.exit(1)
status = "PASS" if total >= minimum else "FAIL"
print(f"Coverage gate: {status} (lines {total}% vs minimum {minimum}%)")
if total < minimum:
print(f"Frontend coverage {total}% is below required {minimum}% (set CHARON_MIN_COVERAGE or CPM_MIN_COVERAGE to override)", file=sys.stderr)
sys.exit(1)
PY