test: golden status and plan output of the bash backend in a bubblewrap sandbox

share/golden/record.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Record what the bash backend (steamify.sh in $REPO) prints, per fixture, into share/golden/expected/.
+#   share/golden/record.sh            record all    |    share/golden/record.sh check   compare with the recorded files
+set -uo pipefail
+here="$(cd "$(dirname "$0")" && pwd)"
+export REPO="${REPO:-$here/../../../steamify-cachyos}"; REPO="$(cd "$REPO" && pwd)"
+backend="${BACKEND:-bash $REPO/steamify.sh}"
+mode="${1:-record}"; failures=0
+# case name -> backend arguments
+# status: the whole output. plan-*: only the first line of the apply stream (the plan event, where the rules live);
+# the steps after it need the real system (the VM suite), they are not stable with a fake sudo.
+cases=("status:--backend status"
+    "plan-gaming:--backend apply gaming"
+    "plan-gaming-desktop:--backend apply --boot desktop gaming boot"
+    "plan-single:--backend apply single"
+    "plan-poweroff:--backend apply poweroff"
+    "plan-nothing:--backend apply"
+    "plan-nvidia:--backend apply nvidia bigpicture")
+for fixture in "$here"/fixtures/*/; do
+    name="$(basename "$fixture")"
+    for entry in "${cases[@]}"; do
+        label="${entry%%:*}"; arguments="${entry#*:}"
+        expected="$here/expected/$name.$label.json"; mkdir -p "$here/expected"
+        actual="$("$here/sandbox.sh" "$fixture" $backend $arguments 2>&1)"
+        [[ "$label" == plan-* ]] && actual="$(head -n 1 <<<"$actual")"
+        if [[ "$mode" == record ]]; then printf '%s\n' "$actual" > "$expected"; echo "recorded $expected"
+        elif ! diff -u "$expected" <(printf '%s\n' "$actual"); then echo "FAIL $name $label"; failures=$((failures+1))
+        else echo "PASS $name $label"; fi
+    done
+done
+exit $failures