test-docker

#!/bin/bash

set -o errexit
set -o nounset
set -o pipefail

lint_dockerfile() {
  local -r dockerfile_path="$1"
  docker run --interactive --rm hadolint/hadolint:v1.18.2 < "${dockerfile_path}"
}

build_image() {
  DOCKER_TAG="$1" DOCKERFILE_PATH="$2" IMAGE_NAME="$3" hooks/build
}

test_image() {
  local -r hindent_version="$1"
  local -r image_name="$2"

  diff <(docker run --rm "${image_name}" --version) \
    <(echo "hindent ${hindent_version}")

  diff <(echo 'example = case x of Just p -> foo bar' \
    | docker run --interactive --rm "${image_name}" --indent-size 2) \
    <(printf "example =\n  case x of\n    Just p -> foo bar\n")
}

main() {
  local -r script_folder="$(dirname "$(readlink --canonicalize "$0")")"
  local -r project_folder="$(dirname "${script_folder}")"
  pushd "${project_folder}"

  local -r hindent_version=5.3.1
  local -r dockerfile_path=Dockerfile
  local -r image_name=hindent:dirty

  lint_dockerfile "${dockerfile_path}"
  build_image "${hindent_version}" "${dockerfile_path}" "${image_name}"
  test_image "${hindent_version}" "${image_name}"
}

main "$@"