Harden installation and runtime diagnostics

tests/test-common.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+set -euo pipefail
+
+ROOT=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)
+TMP=$(mktemp -d)
+trap 'rm -rf "$TMP"' EXIT
+USER_NAME=$(id -un)
+
+cat > "$TMP/primary.conf" <<EOF
+PIVILION_USER=$USER_NAME
+PIVILION_MODE=hotspot
+EOF
+cat > "$TMP/fallback.conf" <<EOF
+PIVILION_USER=$USER_NAME
+PIVILION_HOME=$HOME
+PIVILION_DIR=$TMP/pivilion
+PIVILION_WEBROOT=/var/www/html/pivilion
+PIVILION_MODE=onion
+PIVILION_HOTSPOT_SSID=fixture-portal
+EOF
+
+export PIVILION_CONFIG_PATHS="$TMP/primary.conf $TMP/fallback.conf"
+export PIVILION_STATE_DIR="$TMP/run"
+export PIVILION_STATE_FILE="$TMP/run/status.tsv"
+source "$ROOT/usr/local/lib/pivilion/common.sh"
+pivilion_load_config
+
+[ "$PIVILION_MODE" = hotspot ]
+[ "$PIVILION_HOTSPOT_SSID" = fixture-portal ]
+[ "$PIVILION_DIR" = "$TMP/pivilion" ]
+
+install -d "$PIVILION_DIR" "$PIVILION_STATE_DIR"
+printf 'onion\n' > "$PIVILION_DIR/mode"
+[ "$(pivilion_current_mode)" = onion ]
+cat > "$PIVILION_STATE_FILE" <<EOF
+desired_mode	onion
+active_mode	hotspot
+backend	networkmanager
+health	degraded
+failure	probe failed
+EOF
+[ "$(pivilion_state_value active_mode)" = hotspot ]
+[ "$(pivilion_state_value health)" = degraded ]
+[ "$(pivilion_state_value missing fallback)" = fallback ]
+
+mkdir "$TMP/bin"
+cat > "$TMP/bin/nmcli" <<'EOF'
+#!/bin/sh
+exit 0
+EOF
+cat > "$TMP/bin/systemctl" <<'EOF'
+#!/bin/sh
+[ "${MOCK_NM_ACTIVE:-0}" = 1 ]
+EOF
+chmod +x "$TMP/bin/nmcli" "$TMP/bin/systemctl"
+PATH="$TMP/bin:$PATH" MOCK_NM_ACTIVE=1 pivilion_uses_networkmanager
+if PATH="$TMP/bin:$PATH" MOCK_NM_ACTIVE=0 pivilion_uses_networkmanager; then exit 1; fi
+
+sed 's/PIVILION_MODE=hotspot/PIVILION_MODE=invalid/' "$TMP/primary.conf" > "$TMP/invalid.conf"
+PIVILION_CONFIG_PATHS="$TMP/invalid.conf $TMP/fallback.conf"
+export PIVILION_CONFIG_PATHS
+if pivilion_load_config >/dev/null 2>&1; then exit 1; fi