test: lmsensors extend unit tests, vendored framework [#769]
Moved from KNEL/PFVCluster tests/unit with repo-relative paths. https://projects.knownelement.com/issues/769#note-4152
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#!/bin/bash
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# Unit tests for the lm-sensors extend wrapper (dcinfra/sensors/temper) [#341/#439]
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set -euo pipefail
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PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
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SCRIPT="$PROJECT_ROOT/sensors/temper/lmsensors-extend.sh"
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failed=0
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# Script must exist and source cleanly (main guarded for sourcing)
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if [[ -f "$SCRIPT" ]] && (source "$SCRIPT"); then
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echo "✅ script exists + sources cleanly"
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else
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echo "❌ script missing or fails to source: $SCRIPT"
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exit 1
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fi
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# shellcheck disable=SC1091
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source "$SCRIPT"
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# lm-sensors format block: chip, adapter, one line per sensor, +X.X°C
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test_format_two_sensors() {
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local got expected
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expected=$(printf 'temper-usb-1\nAdapter: USB adapter\nInternal: +23.5°C\nExternal: +18.2°C')
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got="$(format_block "23.5" "18.2")"
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if [[ "$got" == "$expected" ]]; then
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echo "✅ format_block renders two-sensor lm-sensors output"
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else
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echo "❌ format_block two-sensor output mismatch"
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printf 'got:\n%s\nexpected:\n%s\n' "$got" "$expected"
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((++failed))
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fi
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}
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test_format_single_sensor() {
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local got expected
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expected=$(printf 'temper-usb-1\nAdapter: USB adapter\nInternal: +23.5°C')
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got="$(format_block "23.5" "")"
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if [[ "$got" == "$expected" ]]; then
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echo "✅ format_block omits absent external sensor"
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else
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echo "❌ format_block single-sensor output mismatch"
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printf 'got:\n%s\nexpected:\n%s\n' "$got" "$expected"
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((++failed))
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fi
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}
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test_format_negative() {
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if format_block "-5.0" | grep -q 'Internal: -5.0°C'; then
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echo "✅ format_block handles negative temps"
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else
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echo "❌ format_block mangles negative temps"
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((++failed))
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fi
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}
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test_format_garbage_rejected() {
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if format_block "not-a-number" >/dev/null 2>&1; then
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echo "❌ format_block accepted non-numeric input"
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((++failed))
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else
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echo "✅ format_block rejects non-numeric input"
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fi
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}
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# main() composition with stubbed binaries via PATH + env overrides
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STUB_DIR="$(mktemp -d "/tmp/lmsensors-test-$$-XXXXXX")"
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trap 'rm -rf "$STUB_DIR"' EXIT
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make_stub_lsusb() {
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if [[ "${1:-}" == "probe" ]]; then
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printf '#!/bin/bash\necho "Bus 001 Device 007: ID 0c45:7401 Microdia TEMPer Temperature Sensor"\n' >"$STUB_DIR/lsusb"
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else
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printf '#!/bin/bash\nexit 0\n' >"$STUB_DIR/lsusb"
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fi
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chmod +x "$STUB_DIR/lsusb"
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}
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make_stub_sensors() {
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printf '#!/bin/bash\nprintf "coretemp-isa-0000\\nAdapter: ISA adapter\\nPackage id 0: +45.0°C\\nCore 0: +41.0°C\\n"\n' >"$STUB_DIR/sensors"
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chmod +x "$STUB_DIR/sensors"
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}
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make_stub_python() {
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printf '#!/bin/bash\necho "23.5 18.2"\n' >"$STUB_DIR/fakepython"
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chmod +x "$STUB_DIR/fakepython"
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}
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test_main_native_only() {
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make_stub_lsusb noprobe
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make_stub_sensors
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local got
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got="$(PATH="$STUB_DIR:$PATH" NATIVE_SENSORS_BIN="$STUB_DIR/sensors" \
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VENV_PY=/nonexistent main)"
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if grep -q 'Package id 0' <<<"$got" && ! grep -q 'temper-usb-1' <<<"$got"; then
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echo "✅ main: native sensors only (no probe)"
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else
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echo "❌ main: native-only composition wrong"
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((++failed))
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fi
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}
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test_main_temper_only() {
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make_stub_lsusb probe
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make_stub_python
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local got
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got="$(PATH="$STUB_DIR:$PATH" NATIVE_SENSORS_BIN=/nonexistent \
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VENV_PY="$STUB_DIR/fakepython" main)"
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if grep -q 'Internal: +23.5°C' <<<"$got" && ! grep -q 'Package id 0' <<<"$got"; then
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echo "✅ main: TEMPer only (no lm-sensors bin)"
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else
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echo "❌ main: temper-only composition wrong"
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((++failed))
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fi
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}
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test_main_merge() {
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make_stub_lsusb probe
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make_stub_sensors
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make_stub_python
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local got
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got="$(PATH="$STUB_DIR:$PATH" NATIVE_SENSORS_BIN="$STUB_DIR/sensors" \
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VENV_PY="$STUB_DIR/fakepython" main)"
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if grep -q 'Package id 0' <<<"$got" && grep -q 'Internal: +23.5°C' <<<"$got"; then
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echo "✅ main: native + TEMPer merged"
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else
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echo "❌ main: merge composition wrong"
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((++failed))
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fi
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}
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test_main_neither_fails() {
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make_stub_lsusb noprobe
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if PATH="$STUB_DIR:$PATH" NATIVE_SENSORS_BIN=/nonexistent \
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VENV_PY=/nonexistent SYSFS_THERMAL_ROOT=/nonexistent main >/dev/null 2>&1; then
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echo "❌ main: succeeded with no sensor sources"
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((++failed))
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else
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echo "✅ main: fails cleanly with no sensor sources"
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fi
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}
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# sysfs thermal-zone fallback (SBCs: Pis, Jetson-class, /sys/class/thermal)
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make_sysfs_fixture() {
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SYSFS_FIXTURE="$STUB_DIR/sysfs/class-thermal"
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mkdir -p "$SYSFS_FIXTURE/thermal_zone0" "$SYSFS_FIXTURE/thermal_zone1"
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printf 'cpu-thermal\n' >"$SYSFS_FIXTURE/thermal_zone0/type"
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printf '45200\n' >"$SYSFS_FIXTURE/thermal_zone0/temp"
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printf 'gpu-thermal\n' >"$SYSFS_FIXTURE/thermal_zone1/type"
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printf '52350\n' >"$SYSFS_FIXTURE/thermal_zone1/temp"
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}
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test_format_sysfs_block() {
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local got expected
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expected=$(printf 'soc-thermal-virtual-0\nAdapter: Virtual device\ntemp1: +45.2°C\ntemp2: +52.4°C')
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got="$(printf 'cpu-thermal 45200\ngpu-thermal 52350\n' | format_sysfs_block "$(printf 'cpu-thermal 45200\ngpu-thermal 52350\n')")"
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if [[ "$got" == "$expected" ]]; then
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echo "✅ format_sysfs_block renders lm-sensors format from millicelsius"
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else
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echo "❌ format_sysfs_block output mismatch"
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printf 'got:\n%s\nexpected:\n%s\n' "$got" "$expected"
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((++failed))
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fi
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}
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test_main_sysfs_fallback() {
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make_stub_lsusb noprobe
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make_sysfs_fixture
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local got
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got="$(PATH="$STUB_DIR:$PATH" NATIVE_SENSORS_BIN=/nonexistent VENV_PY=/nonexistent \
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SYSFS_THERMAL_ROOT="$SYSFS_FIXTURE" main)"
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if grep -q 'temp1: *+45.2°C' <<<"$got" && grep -q 'soc-thermal-virtual-0' <<<"$got"; then
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echo "✅ main: sysfs fallback when lm-sensors silent (SBC)"
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else
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echo "❌ main: sysfs fallback composition wrong"
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printf 'got:\n%s\n' "$got"
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((++failed))
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fi
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}
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test_main_native_suppresses_sysfs() {
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make_stub_lsusb noprobe
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make_stub_sensors
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make_sysfs_fixture
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local got
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got="$(PATH="$STUB_DIR:$PATH" NATIVE_SENSORS_BIN="$STUB_DIR/sensors" VENV_PY=/nonexistent \
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SYSFS_THERMAL_ROOT="$SYSFS_FIXTURE" main)"
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if grep -q 'Package id 0' <<<"$got" && ! grep -q 'soc-thermal-virtual-0' <<<"$got"; then
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echo "✅ main: native output present, sysfs fallback suppressed (no duplicates)"
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else
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echo "❌ main: sysfs fallback leaked alongside native output"
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printf 'got:\n%s\n' "$got"
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((++failed))
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fi
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}
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test_format_two_sensors
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test_format_single_sensor
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test_format_negative
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test_format_garbage_rejected
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test_main_native_only
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test_main_temper_only
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test_main_merge
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test_main_neither_fails
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test_format_sysfs_block
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test_main_sysfs_fallback
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test_main_native_suppresses_sysfs
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if ((failed > 0)); then
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echo "❌ lm-sensors extend: $failed test(s) failed"
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exit 1
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fi
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echo "PASS: lm-sensors extend unit tests"
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