run-tests

#!/usr/bin/env bash
set -eu

usage="run-test - runs exercise tests
Usage:
  run-tests [OPTIONS] [-e <exercise-slug>]

Options:

  -c    Look in concept exercises, if no exercise specified all concept exercises will be tested
  -p    Look practice exercises, if no exercise specified all practice exercises will be tested
  -e    A specific exercise to test
  -a    Test all concept and practice exercises
  -h    Print this help"

help () {
    # Display help
    echo "${usage}"
}

execute_test () {
    if [ -d "${1}" ]; then
        (
        cd "${1}"
        # Get the exercise name from the directory
        exercise_name=$(echo "$1" | tr '-' '_')

        echo "Running tests for ${exercise_name}";

        #remove the ignore line
        sed -i='' 's/TEST_IGNORE();//' ./test_*.c

        # Copy the examples with the correct name for the exercise
        if [ -e ".meta/example.c" ]
        then
          mv .meta/example.c ./"${exercise_name}".c
        fi

        if [ -e ".meta/example.h" ]
        then
          mv .meta/example.h ./"${exercise_name}".h
        fi

        # Make it!
        make clean >> /dev/null;
        make memcheck
        echo ""
        )
    fi
}

copy_exercises () {
    # Copies exercises from a given directory in ./exercises to the same
    # directory in ./build
    if [ $# -gt 0 ] && [ -d "exercises/${1}" ]
    then
        local directory="${1}"
        shift
        mkdir -p "build/${directory}"
        if [ $# -gt 0 ]
        then
            echo "Copying ${directory} exercises ${*}"
            cd "exercises/${directory}"
            cp -r "$@" "../../build/${directory}/"
            cd "../.."
        else
            echo "Copying all ${directory} exercises"
            cp -r "exercises/${directory}" "build"
        fi
    fi
}

execute_tests () {
    # Executes all exercises in the given directory
    if [ $# -gt 0 ] && [ -d "${1}" ]
    then
        pushd "${1}" > /dev/null
        for exercise in *
        do
            execute_test "${exercise}"
        done
        popd > /dev/null
    fi
}

# Move to the root directory of the repo so you can run this script from anywhere
script_dir="$( cd "$( dirname "$0" )" >/dev/null 2>&1 && pwd )"
cd "${script_dir}"/..

# Clear up any previous run
rm -rf build

concept="false"
practice="false"
exercise=()

# Handle arguments
while getopts "acpe:h" option
do
    case "${option}" in
        a)
            concept="true"
            practice="true"
            break;;
        c)
            concept="true";;
        p)
            practice="true";;
        e)
            exercise+=("${OPTARG}");;
        h)
            help
            exit;;
        *)
            exit 1;;
    esac
done

# Handle a lack of arguments
if [ $OPTIND -eq 1 ]
then
    echo "$0: no arguments were passed"
    exit 1
fi

# Decide which exercises to copy the build dir
# Copying to a new avoids polluting the track exercises
if [ "$concept" == "true" ]
then
    if [ "$practice" != "true" ] && [ ${#exercise[@]} -ne 0 ]
    then
        copy_exercises "concept" "${exercise[@]}"
    else
        copy_exercises "concept"
    fi
fi

if [ "$practice" == "true" ]
then
    if [ "$concept" != "true" ] && [ ${#exercise[@]} -ne 0 ]
    then
        copy_exercises "practice" "${exercise[@]}"
    else
        copy_exercises "practice"
    fi
fi

# Execute any copied exercises
execute_tests "build/concept"
execute_tests "build/practice"