Summarize WPT Dashboard report data

dl-summary.sh

#!/bin/bash

set -e

here=$(dirname $(readlink -f $0))


function count {
  cat <<HERE | python
import json
with open('$1') as handle:
  print len(json.loads(handle.read()).keys())
HERE
}

function calculate {
  sha=$1
  platform=$2
  filename=${platform}-summary.json

  url="https://storage.googleapis.com/wptd/$sha/$filename.gz"

  wget --quiet $url

  mv $filename.gz $filename

  actual=$(count $filename)

  cd $here/../web-platform-tests

  git checkout --quiet $sha > /dev/null

  commit_date=$(git show --format='%ci' --no-patch)

  expected=$(./wpt run --list-tests firefox | wc -l)
  pct=$(python -c "print $actual./$expected*100")

  echo "- $platform @ $sha - $commit_date"
  echo "  Actual:   $actual"
  echo "  Expected: $expected"
  echo "  $pct%"
}

calculate 7a4c0d6617 edge-15-windows-10-sauce
calculate fade9e6a04 chrome-63.0-linux
calculate 9d90463821 firefox-57.0-linux
calculate 1f2505669c safari-11.0-macos-10.12-sauce