#!/bin/bash
#
# helper script to run some predefined set of tests
# store results in a file that contains the git hash
# and also shows differences if any
#
# if this command is run as all-tests3, then we will just do
# make PYTHON=python3
#
# xxx - WARNING : most likely the python2 and python3 tests
# cannot safely be run together; need to check the nepi exp_ids
# used more closely

DIRNAME=$(dirname $0)
COMMAND=$(basename $0)

if echo $COMMAND | grep -q 6; then
    $DIRNAME/all-tests2; $DIRNAME/all-tests3; exit
fi

PYTHON=python
version=2
echo $COMMAND | grep -q 3 && { PYTHON=python3; version=3; }

hash=$(git log -n 1 | head -1 | sed -e 's,commit ,,' -e 's,\(........\).*,\1,')

# compute output file name
output="zz.$hash.py$version"
latest="zz.latest.py$version"

# if there is any pending change, use another name
is_pristine=""
changes=$(git diff HEAD | wc -l); changes=$(echo $changes)
[ "$changes" == 0 ] && is_pristine=true
[ -n "$is_pristine" ] || output="$output-pending"

function all_tests () {
    echo all-tests : begin at; date
    begin=$(date +%s)
    echo ========================================
    echo status
    echo ========================================
    echo ===== Current hash $hash
    echo ===== Current branch
    git branch
    echo ===== Uncommitted changes
    git diff HEAD
    echo ========================================
    echo tests
    echo ========================================
    make PYTHON=$PYTHON all-tests
    make_retcod=$!
    echo ========================================
    end=$(date +%s)
    echo all-tests : end at $((date)); echo total duration $(($end-$begin)) seconds
    return $make_retcod
}

# WARNING
# the current code for analyzing the output is very basic
# this needs to be checked manually for some time

# create a 'latest' symlink
ln -f -s $output $latest

all_tests >& $output
retcod=$?

# analyze this output for success or not
success=$output.success
failure=$output.failed

if [ "$retcod" != 0 ]; then
    touch $failure
elif grep -q '^FAIL' $output; then
     touch $failure
else
    touch $success
fi