Attempting to address shortcomings and whitespace issues

tests/help

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+cd "${0%/*}" || exit 1
+. ../run-tests
+
+template=""
+arguments=(--help)
+expected() {
+    cat <<EOF
+Mo is a mustache template rendering software written in bash.  It inserts
+environment variables into templates.
+
+Simply put, mo will change {{VARIABLE}} into the value of that
+environment variable.  You can use {{#VARIABLE}}content{{/VARIABLE}} to
+conditionally display content or iterate over the values of an array.
+
+Learn more about mustache templates at https://mustache.github.io/
+
+Simple usage:
+
+   mo [OPTIONS] filenames...
+
+Options:
+
+   -u, --fail-not-set
+         Fail upon expansion of an unset variable.
+   -x, --fail-on-function
+         Fail when a function returns a non-zero status code.
+   -e, --false
+         Treat the string "false" as empty for conditionals.
+   -h, --help
+         This message.
+   -s=FILE, --source=FILE
+         Load FILE into the environment before processing templates.
+         Can be used multiple times.
+
+MO_VERSION=3.0.0
+EOF
+}
+
+runTest