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#!/bin/sh
OUT=
ERR=
STATUS=
assert_status() {
if [ "$STATUS" != "$1" ]; then
printf '\nERR: Bad status.\n\nexpected: %s\ngot: %s\n' \
"$1" "$STATUS" >&2
exit 1
fi
}
assert_usage() {
if ! grep -Fq 'Usage' "$1"; then
echo 'Expected to find "Usage" text, it was missing:' >&2
cat "$1" >&2
exit 1
fi
}
assert_empty_stream() {
if [ -s "$2" ]; then
printf '\nERR: Expected %s (%s) to be empty, but has content:\n%s\n' \
"$1" "$2" "$(cat "$2")" >&2
exit 1
fi
}
assert_empty_stdout() {
assert_empty_stream STDOUT "$OUT"
}
assert_empty_stderr() {
assert_empty_stream STDERR "$ERR"
}
assert_stream() {
if [ "$(cat "$2")" != "$3" ]; then
printf '\nERR: Bad %s (%s)\n\nexpected: %s\ngot: %s\n' \
"$1" "$2" "$3" "$(cat "$2")" >&2
exit 1
fi
}
assert_stdout() {
assert_stream STDOUT "$OUT" "$1"
}
assert_stderr() {
assert_stream STDERR "$ERR" "$1"
}
assert_grep_stream() {
if ! grep -qE "$3" "$2"; then
printf '\nERR: Bad %s (%s)\n\ngrepping: %s\nin:\n%s\n' \
"$1" "$2" "$3" "$(cat "$2")" >&2
exit 1
fi
}
assert_grep_stdout() {
assert_grep_stream STDOUT "$OUT" "$1"
}
assert_grep_stderr() {
assert_grep_stream STDERR "$ERR" "$1"
}
testing() {
printf 'testing: %s...' "$1" >&2
}
test_ok() {
printf ' OK.\n' >&2
}
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