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tests/unit/fakes/zypper/zypper

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+#!/usr/bin/env bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2026 Bryan Joshua Pedini
+
+# fake zypper (unit tests). FAKE_ZYPPER_LU=fixture|real|none picks the list-updates XML,
+# FAKE_ZYPPER_DUP=fixture|empty|removes the `dist-upgrade --dry-run` plan (data/zypper/dup-*.xml).
+# addlock writes real zypp lock entries into the locksfile.path of $ZYPP_CONF (default
+# /etc/zypp/locks is never touched: the fake refuses); update/dist-upgrade log that file.
+# shellcheck source=../fakelib.bash
+. "${BASH_SOURCE[0]%/*}/../fakelib.bash"
+fake_log "${ZYPP_CONF:+ZYPP_CONF=$ZYPP_CONF }$*"
+D=$FAKE_DATA/zypper
+
+locksfile() {
+	local f=${ZYPP_CONF:-} line l=
+	[[ -n $f && -r $f ]] || return 1
+	while IFS= read -r line; do
+		[[ $line =~ ^[[:space:]]*locksfile\.path[[:space:]]*=[[:space:]]*(.*)$ ]] && l=${BASH_REMATCH[1]}
+	done <"$f"
+	[[ -n $l ]] || return 1
+	printf '%s' "$l"
+}
+
+pos=()
+for a in "$@"; do case $a in -*) ;; *) pos+=("$a") ;; esac; done
+verb=${pos[0]:-}
+args=("${pos[@]:1}")
+xml_remove() { # the install-summary of `remove --dry-run` for the given names
+	local n
+	printf "<?xml version='1.0'?>\n<stream>\n<install-summary download-size=\"0\" space-usage-diff=\"-30\" packages-to-change=\"%s\">\n<to-remove>\n" "$#"
+	for n in "$@"; do printf '<solvable type="package" name="%s" edition="1.0-1" arch="noarch" repository="@System" summary="dummy %s"><description>d</description></solvable>\n' "$n" "$n"; done
+	printf '</to-remove>\n</install-summary>\n</stream>\n'
+}
+dry=0
+case " $* " in *' --dry-run '*) dry=1 ;; esac
+
+case $verb in
+refresh)
+	rc=$(fake_rc FAKE_ZYPPER_REFRESH_RC 0)
+	((rc == 0)) || echo "Could not refresh the repositories because of errors." >&2
+	exit "$rc"
+	;;
+list-updates) cat "$D/lu-${FAKE_ZYPPER_LU:-fixture}.xml" ;;
+info)
+	p=${args[-1]}
+	if [[ -f $D/info-$p.txt ]]; then cat "$D/info-$p.txt"; else
+		echo "package '$p' not found."
+		exit 104
+	fi
+	;;
+addlock)
+	l=$(locksfile) || {
+		echo "fake zypper: addlock without a private ZYPP_CONF/locksfile.path" >&2
+		exit 98
+	}
+	for p in "${args[@]}"; do printf '\ntype: package\nmatch_type: glob\ncase_sensitive: on\nsolvable_name: %s\n\n' "$p" >>"$l"; done
+	;;
+dist-upgrade | dup | update)
+	if ((dry)); then
+		cat "$D/dup-${FAKE_ZYPPER_DUP:-fixture}.xml"
+		exit 0
+	fi
+	if l=$(locksfile); then { echo "--- locks seen by $verb:"; cat "$l"; echo "--- end"; } >>"$FAKE_LOG"; fi
+	if [[ -n ${ZYPP_CONF:-} && -n ${SKEPTICAL_UPDATER_STATE_DIR:-} && -e $SKEPTICAL_UPDATER_STATE_DIR/zypper.lock ]]; then
+		if flock -n "$SKEPTICAL_UPDATER_STATE_DIR/zypper.lock" true; then l=free; else l=held; fi
+		echo "zypper.lock during $verb: $l" >>"$FAKE_LOG"
+	fi
+	if [[ -n ${FAKE_ZYPPER_UPGRADE_KILL:-} ]]; then
+		kill -s "$FAKE_ZYPPER_UPGRADE_KILL" "$PPID"
+		sleep 0.2
+	fi
+	exit "$(fake_rc FAKE_ZYPPER_UPGRADE_RC 0)"
+	;;
+remove)
+	if ((dry)); then
+		set -- "${args[@]}"
+		# FAKE_ZYPPER_CLEAN="pkg:dep" (unneeded dependency) / FAKE_ZYPPER_EXTRA="pkg:other" join the plan
+		more=()
+		for r in ${FAKE_ZYPPER_CLEAN:-} ${FAKE_ZYPPER_EXTRA:-}; do [[ ${r%%:*} == "${1:-}" ]] && more+=("${r#*:}"); done
+		case ${1:-} in
+		su-dummy-b) xml_remove su-dummy-a su-dummy-b "${more[@]}" ;;
+		su-dummy-*) xml_remove "$1" "${more[@]}" ;;
+		*)
+			echo "'$1' not found in package names. Trying capabilities."
+			echo "No provider of '$1' found."
+			exit 104
+			;;
+		esac
+		exit 0
+	fi
+	for p in "${args[@]}"; do
+		case $p in su-dummy-*) ;; *)
+			echo "'$p' not found in package names. Trying capabilities."
+			echo "No provider of '$p' found."
+			exit 104
+			;;
+		esac
+	done
+	fake_mark_purged "${args[@]}"
+	;;
+*)
+	echo "fake zypper: unhandled: $*" >&2
+	exit 99
+	;;
+esac