Tool to detect modules that generate the incorrect output in sandbox
Bug: 281067655
Test: Test locally
Change-Id: Ie38e3658eee4d577d1f871c9ed8129b4ac7d7d07
diff --git a/tests/genrule_sandbox_test.sh b/tests/genrule_sandbox_test.sh
new file mode 100755
index 0000000..21b476b
--- /dev/null
+++ b/tests/genrule_sandbox_test.sh
@@ -0,0 +1,111 @@
+#!/bin/bash
+
+# Copyright (C) 2023 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e
+
+# Build the given genrule modules with GENRULE_SANDBOXING enabled and disabled,
+# then compare the output of the modules and report result.
+
+function die() { format=$1; shift; printf >&2 "$format\n" $@; exit 1; }
+
+function usage() {
+ die "usage: ${0##*/} <-t lunch_target> [module]..."
+}
+
+if [ ! -e "build/make/core/Makefile" ]; then
+ die "$0 must be run from the top of the Android source tree."
+fi
+
+declare TARGET=
+while getopts "t:" opt; do
+ case $opt in
+ t)
+ TARGET=$OPTARG ;;
+ *) usage ;;
+ esac
+done
+
+shift $((OPTIND-1))
+MODULES="$@"
+
+source build/envsetup.sh
+
+if [[ -n $TARGET ]]; then
+ lunch $TARGET
+fi
+
+if [[ -z ${OUT_DIR+x} ]]; then
+ OUT_DIR="out"
+fi
+
+OUTPUT_DIR="$(mktemp -d tmp.XXXXXX)"
+PASS=true
+
+function cleanup {
+ if [ $PASS = true ]; then
+ rm -rf "${OUTPUT_DIR}"
+ fi
+}
+trap cleanup EXIT
+
+declare -A GEN_PATH_MAP
+
+function find_gen_paths() {
+ for module in $MODULES; do
+ module_path=$(pathmod "$module")
+ package_path=${module_path#$ANDROID_BUILD_TOP}
+ gen_path=$OUT_DIR/soong/.intermediates$package_path/$module
+ GEN_PATH_MAP[$module]=$gen_path
+ done
+}
+
+function store_outputs() {
+ local dir=$1; shift
+
+ for module in $MODULES; do
+ dest_dir=$dir/${module}
+ mkdir -p $dest_dir
+ gen_path=${GEN_PATH_MAP[$module]}
+ cp -r $gen_path $dest_dir
+ done
+}
+
+function cmp_outputs() {
+ local dir1=$1; shift
+ local dir2=$1; shift
+
+ for module in $MODULES; do
+ if ! diff -rq --exclude=genrule.sbox.textproto $dir1/$module $dir2/$module; then
+ PASS=false
+ echo "$module differ"
+ fi
+ done
+ if [ $PASS = true ]; then
+ echo "Test passed"
+ fi
+}
+
+if [ ! -f "$ANDROID_PRODUCT_OUT/module-info.json" ]; then
+ refreshmod
+fi
+
+find_gen_paths
+m --skip-soong-tests GENRULE_SANDBOXING=true "${MODULES[@]}"
+store_outputs "$OUTPUT_DIR/sandbox"
+m --skip-soong-tests GENRULE_SANDBOXING=false "${MODULES[@]}"
+store_outputs "$OUTPUT_DIR/non_sandbox"
+
+cmp_outputs "$OUTPUT_DIR/non_sandbox" "$OUTPUT_DIR/sandbox"