#!/bin/bash

# Try all ordered pairs of spec files,
# to winkle out order-dependent failures.

log_file=/dev/null

test_pair () {
    bundle exec rake db:test:prepare > /dev/null 2>&1
    output=$(script/spec "$1" "$2" 2>&1)
    if [ $? -eq 0 ]
    then
        echo "OK: $1 $2"
        return 0
    else
        echo >> "$log_file" "FAILED: $1 $2"
        echo >> "$log_file" "======================================="
        echo >> "$log_file" "$output"
        echo >> "$log_file"
        
        echo "FAILED: $1 $2"
        return 1
    fi
}

all_pairs() {
    specs=spec/*/*.rb

    for spec1 in $specs
    do
        all_okay=true
        for spec2 in $specs
        do
            if ! test_pair "$spec1" "$spec2"
            then
              all_okay=false
            fi
        done
    done

    $all_okay
    return $?
}

pairs_from_stdin() {
    all_okay=true
    while read line
    do
        case "$line" in
        \*\ FAILED:\ *|\
        spec/*.rb\ spec/*.rb)
          line=${line#\* FAILED: }
          if ! test_pair $line
          then
              all_okay=false
          fi
        ;;
        *)
          echo "No match: $line"
        ;;
        esac
    done
    
    $all_okay
    return $?
}

if [ "$1" = --log ]
then
  shift
  log_file=$1
  shift
  cp /dev/null "$log_file"
fi
if [ "$1" = "-" ]
then
    pairs_from_stdin
else
    all_pairs
fi
exit $?