init: init_kill_services_test
Kill processes and make sure the phone recovers. This adds a basic level
of testing, but it could be improved by:
- trying to kill all running processes on the device
- improving metrics for 'recovery'
Bug: 148236233
Test: init_kill_services_test
Change-Id: I8aaca7bf4bb0be588decf741d1f6e1c5787cea84
diff --git a/TEST_MAPPING b/TEST_MAPPING
index e3a8675..44c47f3 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -28,6 +28,9 @@
"name": "fs_mgr_vendor_overlay_test"
},
{
+ "name": "init_kill_services_test"
+ },
+ {
"name": "libbase_test"
},
{
diff --git a/init/test_kill_services/Android.bp b/init/test_kill_services/Android.bp
new file mode 100644
index 0000000..f6e85e2
--- /dev/null
+++ b/init/test_kill_services/Android.bp
@@ -0,0 +1,7 @@
+cc_test {
+ name: "init_kill_services_test",
+ srcs: ["init_kill_services_test.cpp"],
+ shared_libs: ["libbase"],
+ test_suites: ["general-tests"],
+ require_root: true,
+}
diff --git a/init/test_kill_services/init_kill_services_test.cpp b/init/test_kill_services/init_kill_services_test.cpp
new file mode 100644
index 0000000..7e543f2
--- /dev/null
+++ b/init/test_kill_services/init_kill_services_test.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include <gtest/gtest.h>
+
+#include <android-base/properties.h>
+
+#include <iostream>
+
+using ::android::base::GetProperty;
+using ::android::base::SetProperty;
+
+void ExpectKillingServiceRecovers(const std::string& service_name) {
+ const std::string status_prop = "init.svc." + service_name;
+ const std::string pid_prop = "init.svc_debug_pid." + service_name;
+
+ const std::string initial_pid = GetProperty(pid_prop, "");
+
+ EXPECT_EQ("running", GetProperty(status_prop, "")) << status_prop;
+ EXPECT_NE("", initial_pid) << pid_prop;
+
+ EXPECT_EQ(0, system(("kill -9 " + initial_pid).c_str()));
+
+ constexpr size_t kMaxWaitMilliseconds = 10000;
+ constexpr size_t kRetryWaitMilliseconds = 100;
+
+ constexpr size_t kRetryTimes = kMaxWaitMilliseconds / kRetryWaitMilliseconds;
+
+ for (size_t retry = 0; retry < kRetryTimes; retry++) {
+ const std::string& pid = GetProperty(pid_prop, "");
+ if (pid != initial_pid && pid != "") break;
+ usleep(kRetryWaitMilliseconds * 1000);
+ }
+
+ // svc_debug_pid is set after svc property
+ EXPECT_EQ("running", GetProperty(status_prop, ""));
+}
+
+class InitKillServicesTest : public ::testing::TestWithParam<std::string> {};
+
+TEST_P(InitKillServicesTest, KillCriticalProcesses) {
+ ExpectKillingServiceRecovers(GetParam());
+
+ // sanity check init is still responding
+ EXPECT_TRUE(SetProperty("test.death.test", "asdf"));
+ EXPECT_EQ(GetProperty("test.death.test", ""), "asdf");
+ EXPECT_TRUE(SetProperty("test.death.test", ""));
+}
+
+static inline std::string PrintName(const testing::TestParamInfo<std::string>& info) {
+ return info.param;
+}
+
+INSTANTIATE_TEST_CASE_P(DeathTest, InitKillServicesTest,
+ ::testing::Values("lmkd", "ueventd", "hwservicemanager", "servicemanager"),
+ PrintName);