#!/bin/bash
# Jesus Vazquez

rm -r parallel_tests
mkdir parallel_tests

# The following tests are disabled in a parallel environment and are run afterwards, sequentially
DISABLED_TESTS=(
  'spec/models/asset_spec.rb' # Hangs sometimes when serving files
  'services/user-mover/spec/user_mover_spec.rb' # Database recreation fails in parallel
)

# This is a file that contains a list of specs in the order you want them executed
# A good way to obtain it is by taking the output of this script and sorting them based on time taken
# so that longest tests run first. You can do it with: `sort result.txt -k 2 -r | grep -o '[^ ]*rb'`
# This script will try to follow that order, but any unlisted tests will be put at the beginning
ORDERED_TESTS='script/ci/ordered_tests.txt'

# Disabled tests get put into specfailed.txt for later execution and are omitted from
# specfull.txt by builiding and OR regex (spec\|spec\|spec)
first=1
DISABLED_TEST_REGEX=''
for spec in ${DISABLED_TESTS[@]}
do
  echo $spec >> parallel_tests/specfailed.log
  if [[ $first -eq 0 ]]
  then
    DISABLED_TEST_REGEX="$DISABLED_TEST_REGEX\\|$spec"
  else
    DISABLED_TEST_REGEX="$DISABLED_TEST_REGEX$spec"
  fi
  first=0
done

cat Makefile | grep -v $DISABLED_TEST_REGEX | \
grep -v 'require ./spec/rspec_configuration.rb'| \
grep 'rb'| sed -e 's/^\s*//' -e '/^$/d' | sed '/^#/ d' | sed 's/\\//' | sed 's/\s.*$//' > parallel_tests/specfull.txt

# Sort the specfull
# 1. New tests (specfull - ordered)
grep -Fxv -f $ORDERED_TESTS parallel_tests/specfull.txt > parallel_tests/ordered.txt
# 2. Ordered tests, excluding deleted ones: (ordered & specfull)
grep -Fx -f parallel_tests/specfull.txt $ORDERED_TESTS >> parallel_tests/ordered.txt
# Overwrite
mv parallel_tests/ordered.txt parallel_tests/specfull.txt

echo "# Speclist has been created"