WIP3

roles/bertvv.bind/molecule/default/files/functional-tests.sh

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+#! /usr/bin/env bash
+#
+# Author:   Bert Van Vreckem <bert.vanvreckem@gmail.com>
+#
+# Run BATS test files in the current directory, and the ones in the subdirectory
+# matching the host name.
+#
+# The script installs BATS if needed. It's best to put ${bats_install_dir} in
+# your .gitignore.
+
+set -o errexit  # abort on nonzero exitstatus
+set -o nounset  # abort on unbound variable
+
+#{{{ Variables
+
+test_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+bats_archive="v0.4.0.tar.gz"
+bats_url="https://github.com/sstephenson/bats/archive/${bats_archive}"
+bats_install_dir="/opt"
+bats_default_location="${bats_install_dir}/bats/libexec/bats"
+test_file_pattern="*.bats"
+
+# Color definitions
+readonly reset='\e[0m'
+readonly black='\e[0;30m'
+readonly red='\e[0;31m'
+readonly green='\e[0;32m'
+readonly yellow='\e[0;33m'
+readonly blue='\e[0;34m'
+readonly purple='\e[0;35m'
+readonly cyan='\e[0;36m'
+readonly white='\e[0;37m'
+#}}}
+
+main() {
+
+  bats=$(find_bats_executable)
+
+  if [ -z "${bats}" ]; then
+    install_bats
+    bats="${bats_default_location}"
+  fi
+
+  debug "Using BATS executable at: ${bats}"
+
+  # List all test cases (i.e. files in the test dir matching the test file
+  # pattern)
+
+  # Tests to be run on all hosts
+  global_tests=$(find_tests "${test_dir}" 1)
+
+  # Tests for individual hosts
+  host_tests=$(find_tests "${test_dir}/${HOSTNAME}")
+
+  # Loop over test files
+  for test_case in ${global_tests} ${host_tests}; do
+    info "Running test ${test_case}"
+    ${bats} "${test_case}"
+  done
+}
+
+#{{{ Functions
+
+# Tries to find BATS executable in the PATH or the place where this script
+# installs it.
+find_bats_executable() {
+  if which bats > /dev/null;  then
+    which bats
+  elif [ -x "${bats_default_location}" ]; then
+    echo "${bats_default_location}"
+  else
+    echo ""
+  fi
+}
+
+# Usage: install_bats
+install_bats() {
+  pushd "${bats_install_dir}" > /dev/null 2>&1
+  curl --location --remote-name "${bats_url}"
+  tar xzf "${bats_archive}"
+  mv bats-* bats
+  rm "${bats_archive}"
+  popd > /dev/null 2>&1
+}
+
+# Usage: find_tests DIR [MAX_DEPTH]
+#
+# Finds BATS test suites in the specified directory
+find_tests() {
+  local max_depth=""
+  if [ "$#" -eq "2" ]; then
+    max_depth="-maxdepth $2"
+  fi
+
+  local tests
+  tests=$(find "$1" ${max_depth} -type f -name "${test_file_pattern}" -printf '%p\n' 2> /dev/null)
+
+  echo "${tests}"
+}
+
+# Usage: info [ARG]...
+#
+# Prints all arguments on the standard output stream
+info() {
+  printf "${yellow}### %s${reset}\n" "${*}"
+}
+
+# Usage: debug [ARG]...
+#
+# Prints all arguments on the standard output stream
+debug() {
+  printf "${cyan}### %s${reset}\n" "${*}"
+}
+#}}}
+
+main