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Copy pathworkspace_root_test_launcher.sh.tpl
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169 lines (143 loc) · 4.6 KB
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#!/usr/bin/env bash
set -euo pipefail
resolve_runfile() {
local logical_path="$1"
local workspace_logical_path="${logical_path}"
if [[ -n "${TEST_WORKSPACE:-}" ]]; then
workspace_logical_path="${TEST_WORKSPACE}/${logical_path}"
fi
for runfiles_root in "${RUNFILES_DIR:-}" "${TEST_SRCDIR:-}"; do
if [[ -n "${runfiles_root}" && -e "${runfiles_root}/${logical_path}" ]]; then
printf '%s\n' "${runfiles_root}/${logical_path}"
return 0
fi
if [[ -n "${runfiles_root}" && -e "${runfiles_root}/${workspace_logical_path}" ]]; then
printf '%s\n' "${runfiles_root}/${workspace_logical_path}"
return 0
fi
done
local manifest="${RUNFILES_MANIFEST_FILE:-}"
if [[ -z "${manifest}" ]]; then
if [[ -f "$0.runfiles_manifest" ]]; then
manifest="$0.runfiles_manifest"
elif [[ -f "$0.exe.runfiles_manifest" ]]; then
manifest="$0.exe.runfiles_manifest"
fi
fi
if [[ -n "${manifest}" && -f "${manifest}" ]]; then
local resolved=""
resolved="$(awk -v key="${logical_path}" '$1 == key { $1 = ""; sub(/^ /, ""); print; exit }' "${manifest}")"
if [[ -z "${resolved}" ]]; then
resolved="$(awk -v key="${workspace_logical_path}" '$1 == key { $1 = ""; sub(/^ /, ""); print; exit }' "${manifest}")"
fi
if [[ -n "${resolved}" ]]; then
printf '%s\n' "${resolved}"
return 0
fi
fi
echo "failed to resolve runfile: $logical_path" >&2
return 1
}
workspace_root_marker="$(resolve_runfile "__WORKSPACE_ROOT_MARKER__")"
workspace_root="$(dirname "$(dirname "$(dirname "${workspace_root_marker}")")")"
test_bin="$(resolve_runfile "__TEST_BIN__")"
RUNFILE_ENV_ARGS=()
__RUNFILE_ENV_EXPORTS__
run_test_bin() {
if (( ${#RUNFILE_ENV_ARGS[@]} > 0 )); then
env "${RUNFILE_ENV_ARGS[@]}" "${test_bin}" "$@"
else
"${test_bin}" "$@"
fi
}
exec_test_bin() {
if (( ${#RUNFILE_ENV_ARGS[@]} > 0 )); then
exec env "${RUNFILE_ENV_ARGS[@]}" "${test_bin}" "$@"
else
exec "${test_bin}" "$@"
fi
}
libtest_args=("$@")
if [[ ${#libtest_args[@]} -eq 0 && -n "${TESTBRIDGE_TEST_ONLY:-}" ]]; then
libtest_args+=("${TESTBRIDGE_TEST_ONLY}")
fi
test_shard_index() {
local test_name="$1"
# FNV-1a 32-bit hash. Keep this stable so adding one test does not reshuffle
# unrelated tests between shards.
local hash=2166136261
local byte
local char
local i
local LC_ALL=C
for ((i = 0; i < ${#test_name}; i++)); do
char="${test_name:i:1}"
printf -v byte "%d" "'$char"
hash=$(( ((hash ^ byte) * 16777619) & 0xffffffff ))
done
echo $(( hash % TOTAL_SHARDS ))
}
run_selected_libtest() {
if [[ -n "${TEST_SHARD_STATUS_FILE:-}" && "${TEST_TOTAL_SHARDS:-0}" != "0" ]]; then
touch "${TEST_SHARD_STATUS_FILE}"
fi
# Extra libtest args are usually ad-hoc local filters. Preserve those exactly
# rather than combining them with generated exact filters.
if [[ ${#libtest_args[@]} -gt 0 ]]; then
exec_test_bin "${libtest_args[@]}"
fi
local has_shards=0
if [[ -n "${TOTAL_SHARDS}" && "${TOTAL_SHARDS}" != "0" ]]; then
has_shards=1
fi
if [[ "${has_shards}" == "1" && -z "${SHARD_INDEX}" ]]; then
echo "TEST_SHARD_INDEX or RULES_RUST_TEST_SHARD_INDEX must be set when sharding is enabled" >&2
exit 1
fi
local list_output
local test_list
list_output="$(run_test_bin --list --format terse)"
test_list="$(printf '%s\n' "${list_output}" | grep ': test$' | sed 's/: test$//' | LC_ALL=C sort || true)"
if [[ -z "${test_list}" ]]; then
exit 0
fi
local skip_filters="${CODEX_BAZEL_TEST_SKIP_FILTERS:-}"
local shard_tests=()
local test_name
while IFS= read -r test_name; do
local skip=0
if [[ -n "${skip_filters}" ]]; then
local filter
local old_ifs="${IFS}"
IFS=','
for filter in ${skip_filters}; do
if [[ -n "${filter}" && "${test_name}" == *"${filter}"* ]]; then
skip=1
break
fi
done
IFS="${old_ifs}"
fi
if [[ "${skip}" == "1" ]]; then
continue
fi
if [[ "${has_shards}" == "0" || $(test_shard_index "${test_name}") == "${SHARD_INDEX}" ]]; then
shard_tests+=("${test_name}")
fi
done <<< "${test_list}"
if [[ ${#shard_tests[@]} -eq 0 ]]; then
exit 0
fi
exec_test_bin "${shard_tests[@]}" --exact
}
__WORKSPACE_ROOT_SETUP__
TOTAL_SHARDS="${RULES_RUST_TEST_TOTAL_SHARDS:-${TEST_TOTAL_SHARDS:-}}"
SHARD_INDEX="${RULES_RUST_TEST_SHARD_INDEX:-${TEST_SHARD_INDEX:-}}"
if [[ -n "${CODEX_BAZEL_TEST_SKIP_FILTERS:-}" || ( -n "${TOTAL_SHARDS}" && "${TOTAL_SHARDS}" != "0" ) ]]; then
run_selected_libtest
fi
if [[ ${#libtest_args[@]} -gt 0 ]]; then
exec_test_bin "${libtest_args[@]}"
else
exec_test_bin
fi