#!/usr/bin/env bash
#
# Converts assertion failure text involving two mutations to a diff.
#
# Usage: mutation_diff <path-to-test-output-file>
#

function filter {
    sed 's/@0x[0-9a-f]*//g'
}

colordiff -u <(sed -n '/expected/,/got:/p' $1 | head -n-1 | sed 's/.*expected /&\n/' | filter) \
             <(sed -n '/got:/,/^$/p' $1 | sed 's/.*got: /&\n/' | filter) | less -R