# Returns 0 if there's no difference, or 1 otherwise, also printing said
# difference to the standard error.
bt_diff_details_ctf_single() {
- local expected_stdout_file="$1"
- local trace_dir="$2"
+ local -r expected_stdout_file="$1"
+ local -r trace_dir="$2"
shift 2
- local extra_details_args=("$@")
+ local -r extra_details_args=("$@")
expected_stderr_file="/dev/null"
# Compare using the CLI with `sink.text.details`
# The program `$1` receives the path to a temporary, empty directory
# where to write the CTF trace as its first argument.
bt_diff_details_ctf_gen_single() {
- local ctf_gen_prog_path="$1"
- local expected_stdout_file="$2"
+ local -r ctf_gen_prog_path="$1"
+ local -r expected_stdout_file="$2"
shift 2
- local extra_details_args=("$@")
-
- local temp_trace_dir
- local ret
+ local -r extra_details_args=("$@")
- temp_trace_dir="$(mktemp -d)"
+ local -r temp_trace_dir="$(mktemp -d)"
# Run the CTF trace generator program to get a CTF trace
if ! "$ctf_gen_prog_path" "$temp_trace_dir" 2>/dev/null; then
# Compare using the CLI with `sink.text.details`
bt_diff_details_ctf_single "$expected_stdout_file" "$temp_trace_dir" \
"${extra_details_args[@]+${extra_details_args[@]}}"
- ret=$?
+ local -r ret=$?
rm -rf "$temp_trace_dir"
return $ret
}
# ok() with the test name `$3` on the result of bt_grep() matching the
# pattern `$1` within the file `$2`.
bt_grep_ok() {
- local pattern=$1
- local file=$2
- local test_name=$3
+ local -r pattern=$1
+ local -r file=$2
+ local -r test_name=$3
bt_grep --silent "$pattern" "$file"
- local ret=$?
+ local -r ret=$?
if ! ok $ret "$test_name"; then
{
# Executes a command within an environment which can import the testing
# Python modules (in `tests/utils/python`) and the `bt2` Python package.
run_python_bt2() {
- local lib_asan
local -x "BABELTRACE_PLUGIN_PATH=${BT_TESTS_BABELTRACE_PLUGIN_PATH}"
local -x "LIBBABELTRACE2_PLUGIN_PROVIDER_DIR=${BT_TESTS_PROVIDER_DIR}"
local -x "BT_TESTS_DATADIR=${BT_TESTS_DATADIR}"
local -x "BT_PLUGINS_PATH=${_bt_tests_plugins_path}"
local -x "PYTHONPATH=${BT_TESTS_PYTHONPATH}${PYTHONPATH:+:}${PYTHONPATH:-}"
- local main_lib_path="${BT_TESTS_BUILDDIR}/../src/lib/.libs"
+ local -r main_lib_path="${BT_TESTS_BUILDDIR}/../src/lib/.libs"
# Set the library search path so that the Python 3 interpreter can
# load `libbabeltrace2`.
# override the user's value if it contains `detect_leaks=1`.
if [ "${BT_TESTS_ENABLE_ASAN:-}" = "1" ]; then
if "${BT_TESTS_CC_BIN}" --version | head -n 1 | bt_grep -q '^gcc'; then
- lib_asan="$("${BT_TESTS_CC_BIN}" -print-file-name=libasan.so)"
+ local -r lib_asan="$("${BT_TESTS_CC_BIN}" -print-file-name=libasan.so)"
local -x LD_PRELOAD="${lib_asan}${LD_PRELOAD:+:}${LD_PRELOAD:-}"
fi
# the testing Python modules (in `tests/utils/python`) and the `bt2`
# Python package.
run_python_bt2_test() {
- local test_dir="$1"
- local test_pattern="${2:-'*'}"
-
- local ret
- local test_runner_args=()
-
- test_runner_args+=("$test_dir")
- if [ -n "${test_pattern}" ]; then
- test_runner_args+=("${test_pattern}")
- fi
+ local -r test_dir="$1"
+ local -r test_pattern="${2:-'*'}"
if test "${BT_TESTS_COVERAGE:-}" = "1"; then
python_exec="check_coverage"
--pattern "$test_pattern" \
"$test_dir" \
- ret=$?
+ local -r ret=$?
if test "${BT_TESTS_COVERAGE_REPORT:-}" = "1"; then
coverage report -m