Fold battery helpers into status command

test/shell.d/battery-status-test.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -euo pipefail
+
+source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"
+
+tmp_dir=$(mktemp -d)
+trap 'rm -rf "$tmp_dir"' EXIT
+
+mkdir -p "$tmp_dir/bin"
+cat >"$tmp_dir/bin/upower" <<'STUB'
+#!/bin/bash
+
+if [[ $1 == "-e" ]]; then
+  echo "/org/freedesktop/UPower/devices/battery_BAT0"
+  exit 0
+fi
+
+if [[ $1 == "-i" ]]; then
+  cat <<'INFO'
+  native-path:          BAT0
+  state:                discharging
+  energy:               28.3 Wh
+  energy-full:          56.7 Wh
+  energy-rate:          7.3 W
+  time to empty:        2.5 hours
+  percentage:           51%
+INFO
+  exit 0
+fi
+
+exit 1
+STUB
+chmod +x "$tmp_dir/bin/upower"
+
+shell_output=$(PATH="$tmp_dir/bin:$PATH" "$ROOT/bin/omarchy-battery-status" --shell)
+
+grep -Fx $'percentage\t51%' <<<"$shell_output" >/dev/null || fail "battery status reports percentage"
+grep -Fx $'state\tdischarging' <<<"$shell_output" >/dev/null || fail "battery status reports state"
+grep -Fx $'rate\t7.3W' <<<"$shell_output" >/dev/null || fail "battery status reports power rate"
+grep -Fx $'size\t56Wh' <<<"$shell_output" >/dev/null || fail "battery status reports full capacity"
+grep -Fx $'time\t2h 30m' <<<"$shell_output" >/dev/null || fail "battery status reports remaining time"
+
+if matches=$(rg -n 'omarchy-battery-(capacity|remaining|remaining-time)' "$ROOT/bin" "$ROOT/test" "$ROOT/shell" "$ROOT/docs"); then
+  fail "battery status owns capacity and remaining calculations" "$matches"
+fi
+
+pass "battery status owns capacity and remaining calculations"