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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 $(echo $3) = $(echo $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 ''
###############################################################################
# tests for item_test()
function test_item_test {
local exp_msg=$1
local exp_ret=$2
local item=$3
shift 3
local test_args="$@"
local msg
msg=$(item_test "$item" "$@")
local status=$?
check_result "$msg" "$exp_msg" "test_item $item $test_args"
check_result "$status" "$exp_ret" "test_item $item $test_args (actual rc $status)"
}
# negative tests
test_item_test "FATAL: item_test() requires \$ITEM to be non-empty" 9 "" ""
test_item_test "FATAL: item_test() requires \$TEST_ARGS to be non-empty" 9 "foo" ""
test_item_test "not ok foo: -gt 5 ~= bar: too many arguments" 2 "foo" "-gt" "5" "~=" "bar"
test_item_test "not ok bar: a -ge 10: a: integer expression expected" 2 "bar" "a" "-ge" "10"
test_item_test "not ok basic logic: 0 -ne 0" 1 "basic logic" "0" "-ne" "0"
# positive tests
test_item_test "ok snafu" 0 "snafu" "foo" "!=" "bar"
test_item_test "ok foobar" 0 "foobar" "one two three" "=" "one two three"
test_item_test "ok oh boy" 0 "oh boy" "line 1
line2" "!=" "line 1
line2"
test_item_test "ok okay enough" 0 "okay enough" "line 1
line2" "=" "line 1
line2"
exit $rc
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