first commit

tests/unit/fakes/apt/apt-cache

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2026 Bryan Joshua Pedini
+
+# fake apt-cache (unit tests): show / rdepends / policy from data/apt/
+# shellcheck source=../fakelib.bash
+. "${BASH_SOURCE[0]%/*}/../fakelib.bash"
+fake_log "$@"
+pkgs=()
+for a in "$@"; do case $a in -*) ;; *) pkgs+=("$a") ;; esac; done
+verb=${pkgs[0]}
+pkgs=("${pkgs[@]:1}")
+case $verb in
+show)
+	f=$FAKE_DATA/apt/show/${pkgs[0]}
+	if [[ ! -f $f ]] || fake_purged "${pkgs[0]}"; then
+		echo "E: No packages found" >&2
+		exit 100
+	fi
+	cat "$f"
+	;;
+rdepends)
+	f=$FAKE_DATA/apt/rdepends/${pkgs[0]}
+	if [[ -f $f ]]; then cat "$f"; else printf '%s\nReverse Depends:\n' "${pkgs[0]}"; fi
+	;;
+policy)
+	# print the stanzas of the requested packages
+	want=" ${pkgs[*]} "
+	show=0
+	while IFS= read -r line; do
+		if [[ $line =~ ^([^ ].*):$ ]]; then
+			if [[ $want == *" ${BASH_REMATCH[1]} "* ]]; then show=1; else show=0; fi
+		fi
+		((show)) && printf '%s\n' "$line"
+	done <"$FAKE_DATA/apt/policy.txt"
+	exit 0
+	;;
+*)
+	echo "fake apt-cache: unhandled: $*" >&2
+	exit 99
+	;;
+esac