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tests: Add function to test the ouput of a bash function

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Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
This commit is contained in:
Jonatan Schlag
2024-06-16 18:02:34 +02:00
committed by Michael Tremer
parent 721373c3d7
commit 8f4c1855fa
1 changed files with 29 additions and 0 deletions
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29
tests/lib.sh
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@@ -64,3 +64,32 @@ test_value_in_array() {
return 1
fi
}
test_that_output_is(){
local reference_output_file="${1}"
local file_descriptor="${2}"
shift
shift
local command="$@"
local temp="$(mktemp)"
case "${file_descriptor}" in
"stdout"|"1")
$command 1> "${temp}" 2>/dev/null
;;
"stderr"|"2")
$command 2> "${temp}" 1>/dev/null
;;
esac
if diff -u "${temp}" "${reference_output_file}" &> /dev/null; then
log_test_succeded "The output of command '${command}' on file descriptor '${file_descriptor}' is equal to the reference output."
else
log_test_failed "The output of command '${command}' on file descriptor '${file_descriptor}' is unequal to the reference output."
diff -u --color "${reference_output_file}" "${temp}"
fi
rm "${temp}"
}