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#!/usr/bin/env bash
#
# Unit tests for some functions in lib.sh
#
source $(dirname $0)/lib.sh
# Iterator and return code; updated in test functions
testnum=0
rc=0
function check_result {
testnum=$(expr $testnum + 1)
MSG=$(echo "$1" | tr -d '*>\012'|sed -e 's/^ \+//')
if [ "$MSG" = "$2" ]; then
echo "ok $testnum $3 = $MSG"
else
echo "not ok $testnum $3"
echo "# expected: $2"
echo "# actual: $MSG"
rc=1
fi
}
###############################################################################
# tests for die()
function test_die() {
local input_status=$1
local input_msg=$2
local expected_status=$3
local expected_msg=$4
local msg
msg=$(die $input_status "$input_msg")
local status=$?
check_result "$msg" "$expected_msg" "die $input_status $input_msg"
}
test_die 1 "a message" 1 "a message"
test_die 2 "" 2 "FATAL ERROR (but no message given!) in test_die()"
test_die '' '' 1 "FATAL ERROR (but no message given!) in test_die()"
###############################################################################
# tests for req_env_var()
function test_rev() {
local input_args=$1
local expected_status=$2
local expected_msg=$3
# bash gotcha: doing 'local msg=...' on one line loses exit status
local msg
msg=$(req_env_var $input_args)
local status=$?
check_result "$msg" "$expected_msg" "req_env_var $input_args"
check_result "$status" "$expected_status" "req_env_var $input_args (rc)"
}
# error if called with no args
test_rev '' 1 'FATAL: req_env_var: invoked without arguments'
# error if desired envariable is unset
unset FOO BAR
test_rev FOO 9 'FATAL: test_rev() requires $FOO to be non-empty'
test_rev BAR 9 'FATAL: test_rev() requires $BAR to be non-empty'
# OK if desired envariable was unset
FOO=1
test_rev FOO 0 ''
# OK if multiple vars are non-empty
FOO="stuff"
BAR="things"
ENV_VARS="FOO BAR"
test_rev "$ENV_VARS" 0 ''
unset BAR
# ...but error if any single desired one is unset
test_rev "FOO BAR" 9 'FATAL: test_rev() requires $BAR to be non-empty'
# ...and OK if all args are set
BAR=1
test_rev "FOO BAR" 0 ''
###############################################################################
exit $rc
|
