adding prop2env

Author: peterkir

devel/java_env.properties

@@ -0,0 +1,9 @@
+# this java property file contains the testdata
+# above, below and this line are comments
+# following lines contain testdata
+td_key_empty=
+td_key_value=td_value_string
+
+# following property tuples(key/value pairs) are critical cases
+td_bash_special_backtick=`
+td_bash_specical=~$&*()\|[]{};'"<>/?!#

devel/test_prop2env.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+#
+#
+script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-.}" )" &> /dev/null && pwd )
+
+# test for variable existence and output value if found
+test_env_var_existence() {
+    declare envvar_name=$1
+    if [[ ! -v ${envvar_name} ]]; then
+        echo "env var is not set"
+    elif [[ -z "${envvar_name}" ]]; then
+        echo "env var is set to the empty string"
+    else
+        echo "env var ${envvar_name}=${!envvar_name}"
+    fi
+
+#    echo -ne "checking env variable for $envvar_name ... "
+#    if [ -n "${!envvar_name}" ]; then
+#        echo "found env var $envvar_name=${!envvar_name}"
+#    else
+#        echo "missing prop $envvar_name" && exit 1
+#    fi
+}
+
+test_env_var() {
+    declare envvar_name="$1"
+    declare value="$2"
+    test_env_var_existence "${envvar_name}"
+    if [[ ${value} == ${!envvar_name} ]]; then
+        echo "found env var ${envvar_name}=${!envvar_name}"
+    else
+        echo "env <${envvar_name}>=<${!value}> is not expected value <$value>" && exit 1
+    fi
+}
+
+. ${script_dir}/../.klibio/prop2env.sh ${script_dir}/testdata/java_env.properties
+
+test_env_var_existence td_key_empty
+test_env_var td_key_value td_value_string