Add tests

src/test/shell/bazel/BUILD

@@ -1296,6 +1296,14 @@ sh_test(
     deps = ["@bazel_tools//tools/bash/runfiles"],
 )
 
+sh_test(
+    name = "path_mapping_test",
+    srcs = ["path_mapping_test.sh"],
+    data = [":test-deps"],
+    tags = ["no_windows"],
+    deps = ["@bazel_tools//tools/bash/runfiles"],
+)
+
 sh_test(
     name = "platforms_test",
     srcs = ["platforms_test.sh"],

src/test/shell/bazel/path_mapping_test.sh

@@ -0,0 +1,130 @@
+#!/bin/bash
+#
+# Copyright 2023 The Bazel Authors. All rights reserved.
+#
+# 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.
+#
+# Tests remote execution and caching.
+
+set -euo pipefail
+
+# --- begin runfiles.bash initialization ---
+if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
+  if [[ -f "$0.runfiles_manifest" ]]; then
+    export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
+  elif [[ -f "$0.runfiles/MANIFEST" ]]; then
+    export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
+  elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
+    export RUNFILES_DIR="$0.runfiles"
+  fi
+fi
+if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
+  source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
+elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
+  source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
+            "$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
+else
+  echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
+  exit 1
+fi
+# --- end runfiles.bash initialization ---
+
+source "$(rlocation "io_bazel/src/test/shell/integration_test_setup.sh")" \
+  || { echo "integration_test_setup.sh not found!" >&2; exit 1; }
+
+function set_up() {
+  mkdir -p src/main/java/com/example
+  cat > src/main/java/com/example/BUILD <<'EOF'
+java_binary(
+    name = "Main",
+    srcs = ["Main.java"],
+    deps = [":lib"],
+)
+java_library(
+    name = "lib",
+    srcs = ["Lib.java"],
+)
+EOF
+  cat > src/main/java/com/example/Main.java <<'EOF'
+package com.example;
+public class Main {
+  public static void main(String[] args) {
+    System.out.println(Lib.getGreeting());
+  }
+}
+EOF
+  cat > src/main/java/com/example/Lib.java <<'EOF'
+package com.example;
+public class Lib {
+  public static String getGreeting() {
+    return String.format("Hello, %s!", System.getenv("COMPILATION_MODE"));
+  }
+}
+EOF
+}
+
+function test_path_stripping_sandboxed() {
+  cache_dir=$(mktemp -d)
+
+  COMPILATION_MODE=fastbuild \
+    bazel run -c fastbuild \
+    --disk_cache=$cache_dir \
+    --experimental_output_paths=strip \
+    --strategy=Javac=sandboxed \
+    //src/main/java/com/example:Main &> $TEST_log || fail "run failed unexpectedly"
+  expect_log "Hello, fastbuild!"
+  expect_log '5 \(linux\|darwin\|processwrapper\)-sandbox'
+  expect_not_log "disk cache hit"
+
+  COMPILATION_MODE=opt \
+    bazel run -c opt \
+    --disk_cache=$cache_dir \
+    --experimental_output_paths=strip \
+    --strategy=Javac=sandboxed \
+    //src/main/java/com/example:Main &> $TEST_log || fail "run failed unexpectedly"
+  expect_log "Hello, opt!"
+  expect_log "5 disk cache hit"
+  expect_not_log '[0-9] \(linux\|darwin\|processwrapper\)-sandbox'
+}
+
+function test_path_stripping_singleplex_worker() {
+  cache_dir=$(mktemp -d)
+
+  COMPILATION_MODE=fastbuild \
+    bazel run -c fastbuild \
+    --disk_cache=$cache_dir \
+    --experimental_output_paths=strip \
+    --strategy=Javac=worker \
+    --worker_sandboxing \
+    --noexperimental_worker_multiplex \
+    //src/main/java/com/example:Main &> $TEST_log || fail "run failed unexpectedly"
+  expect_log "Hello, fastbuild!"
+  expect_log '3 \(linux\|darwin\|processwrapper\)-sandbox'
+  expect_log '2 worker'
+  expect_not_log "disk cache hit"
+
+  COMPILATION_MODE=opt \
+    bazel run -c opt \
+    --disk_cache=$cache_dir \
+    --experimental_output_paths=strip \
+    --strategy=Javac=worker \
+    --worker_sandboxing \
+    --noexperimental_worker_multiplex \
+    //src/main/java/com/example:Main &> $TEST_log || fail "run failed unexpectedly"
+  expect_log "Hello, opt!"
+  expect_log "5 disk cache hit"
+  expect_not_log '[0-9] \(linux\|darwin\|processwrapper\)-sandbox'
+  expect_not_log '[0-9] worker'
+}
+
+run_suite "path mapping tests"