#!/bin/sh
#
# Run commands with property-tests enabled for bigdecimal crate
#
# Tests are defined in src/lib.tests.property-test.rs
#

SED=$(command -v gsed || command -v sed)
if [ -z "$SED" ]; then
    echo "This program requires sed"
    exit 1
fi

usage() {
    echo "Usage: $0 [enable|disable|test|run <cmd>]"
    echo ""
    echo "   enable: Enable property tests by removing comments in Cargo.toml & build.rs"
    echo "  disable: Restore property-tests comments in Cargo.toml & build.rs"
    echo "     test: Runs 'cargo test' between enabling & disabling property tests"
    echo "run <cmd>: Run user supplied command <cmd> between enabling & disabling property tests"
}

enable_property_tests() {
  # enable property-test dependencies in Cargo
  ${SED} -i.bak -e 's|# PROPERTY-TESTS: ||' Cargo.toml

  # add the property-test configuration in build.rs
  ${SED} -i.bak -e 's|// ::PROPERTY-TESTS:: ||' build.rs
}


restore_disabled_property_tests() {
  # Restore Cargo.toml with backup
  mv Cargo.toml.bak Cargo.toml
  mv build.rs.bak build.rs
  touch build.rs
}


DEFAULT_CMD=help
CMD=${1:-$DEFAULT_CMD}
shift

case "${CMD}" in
  run)
    enable_property_tests
    # Run commands
    "$@"
    restore_disabled_property_tests
    ;;

  test)
    enable_property_tests
    cargo test "$@"
    restore_disabled_property_tests
    ;;

  enable)
    enable_property_tests
    ;;

  disable)
    restore_disabled_property_tests
    ;;

  *)
    usage
    ;;
esac