1 files changed, 117 insertions, 0 deletions
diff --git a/apexd/apexd_session_test.cpp b/apexd/apexd_session_test.cpp
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+/*
+ * 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 <filesystem>
+#include <fstream>
+#include <string>
+
+#include <errno.h>
+
+#include <android-base/file.h>
+#include <android-base/result.h>
+#include <android-base/scopeguard.h>
+#include <android-base/stringprintf.h>
+#include <gtest/gtest.h>
+
+#include "apexd_session.h"
+#include "apexd_test_utils.h"
+#include "apexd_utils.h"
+#include "session_state.pb.h"
+
+namespace android {
+namespace apex {
+namespace {
+
+using android::apex::testing::IsOk;
+using android::base::make_scope_guard;
+
+// TODO(b/170329726): add unit tests for apexd_sessions.h
+
+TEST(ApexdSessionTest, GetSessionsDirSessionsStoredInMetadata) {
+  if (access("/metadata", F_OK) != 0) {
+    GTEST_SKIP() << "Device doesn't have /metadata partition";
+  }
+
+  std::string result = ApexSession::GetSessionsDir();
+  ASSERT_EQ(result, "/metadata/apex/sessions");
+}
+
+TEST(ApexdSessionTest, GetSessionsDirNoMetadataPartitionFallbackToData) {
+  if (access("/metadata", F_OK) == 0) {
+    GTEST_SKIP() << "Device has /metadata partition";
+  }
+
+  std::string result = ApexSession::GetSessionsDir();
+  ASSERT_EQ(result, "/data/apex/sessions");
+}
+
+TEST(ApexdSessionTest, MigrateToMetadataSessionsDir) {
+  namespace fs = std::filesystem;
+
+  if (access("/metadata", F_OK) != 0) {
+    GTEST_SKIP() << "Device doesn't have /metadata partition";
+  }
+
+  // This is a very ugly test set up, but to have something better we need to
+  // refactor ApexSession class.
+  class TestApexSession {
+   public:
+    TestApexSession(int id, const SessionState::State& state) {
+      path_ = "/data/apex/sessions/" + std::to_string(id);
+      if (auto status = createDirIfNeeded(path_, 0700); !status.ok()) {
+        ADD_FAILURE() << "Failed to create " << path_ << " : "
+                      << status.error();
+      }
+      SessionState session;
+      session.set_id(id);
+      session.set_state(state);
+      std::fstream state_file(
+          path_ + "/state", std::ios::out | std::ios::trunc | std::ios::binary);
+      if (!session.SerializeToOstream(&state_file)) {
+        ADD_FAILURE() << "Failed to write to " << path_;
+      }
+    }
+
+    ~TestApexSession() { fs::remove_all(path_); }
+
+   private:
+    std::string path_;
+  };
+
+  auto deleter = make_scope_guard([&]() {
+    fs::remove_all("/metadata/apex/sessions/239");
+    fs::remove_all("/metadata/apex/sessions/1543");
+  });
+
+  TestApexSession session1(239, SessionState::SUCCESS);
+  TestApexSession session2(1543, SessionState::ACTIVATION_FAILED);
+
+  ASSERT_TRUE(IsOk(ApexSession::MigrateToMetadataSessionsDir()));
+
+  ASSERT_EQ(2u, ApexSession::GetSessions().size());
+
+  auto migrated_session_1 = ApexSession::GetSession(239);
+  ASSERT_TRUE(IsOk(migrated_session_1));
+  ASSERT_EQ(SessionState::SUCCESS, migrated_session_1->GetState());
+
+  auto migrated_session_2 = ApexSession::GetSession(1543);
+  ASSERT_TRUE(IsOk(migrated_session_2));
+  ASSERT_EQ(SessionState::ACTIVATION_FAILED, migrated_session_2->GetState());
+}
+
+}  // namespace
+}  // namespace apex
+}  // namespace android