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#!/bin/sh
end="\033[0m"
red="\033[0;31m"
green="\033[0;32m"
yellow="\033[0;33m"
N=
OUT=
ERR=
STATUS=
ERROR() {
# shellcheck disable=2059
printf "${red}ERROR${end}"
}
print_debug_info() {
# shellcheck disable=2016
printf 'LINENO: %s\n$OUT: %s\n$ERR: %s\n' \
"$N" "$OUT" "$ERR" >&2
}
assert_status() {
if [ "$STATUS" != "$1" ]; then
printf '\n%s: Bad status.\n\nexpected: %s\ngot: %s\n' \
"$(ERROR)" "$1" "$STATUS" >&2
print_debug_info
exit 1
fi
}
assert_usage() {
if ! grep -Fq 'Usage' "$1"; then
echo 'Expected to find "Usage" text, it was missing:' >&2
cat "$1" >&2
print_debug_info
exit 1
fi
}
assert_empty_stream() {
if [ -s "$2" ]; then
FMT='\n%s: Expected %s (%s) to be empty, but has content:\n%s\n'
# shellcheck disable=2059
printf "$FMT" \
"$(ERROR)" "$1" "$2" "$(cat "$2")" >&2
print_debug_info
exit 1
fi
}
assert_empty_stdout() {
assert_empty_stream STDOUT "$OUT"
}
assert_empty_stderr() {
assert_empty_stream STDERR "$ERR"
}
assert_stream() {
if [ "$(cat "$2")" != "$3" ]; then
printf '\n%s: Bad %s (%s)\n\nexpected: %s\ngot: %s\n' \
"$(ERROR)" "$1" "$2" "$3" "$(cat "$2")" >&2
print_debug_info
exit 1
fi
}
assert_stdout() {
assert_stream STDOUT "$OUT" "$1"
}
assert_stderr() {
assert_stream STDERR "$ERR" "$1"
}
assert_grep_stream() {
if ! grep -qE "$3" "$2"; then
printf '\n%s: Bad %s (%s)\n\ngrepping: %s\nin:\n%s\n' \
"$(ERROR)" "$1" "$2" "$3" "$(cat "$2")" >&2
print_debug_info
exit 1
fi
}
assert_grep_stdout() {
assert_grep_stream STDOUT "$OUT" "$1"
}
assert_grep_stderr() {
assert_grep_stream STDERR "$ERR" "$1"
}
assert_fgrep_stream() {
if ! grep -Fq -- "$3" "$2"; then
printf '\n%s: Bad %s (%s)\n\ngrepping: %s\nin:\n%s\n' \
"$(ERROR)" "$1" "$2" "$3" "$(cat "$2")" >&2
print_debug_info
exit 1
fi
}
assert_fgrep_stdout() {
assert_fgrep_stream STDOUT "$OUT" "$1"
}
assert_fgrep_stderr() {
assert_fgrep_stream STDERR "$ERR" "$1"
}
testing() {
printf "${yellow}testing${end}: %s..." "$1" >&2
}
test_ok() {
# shellcheck disable=2059
printf " ${green}OK${end}.\n" >&2
}
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