1 files changed, 109 insertions, 0 deletions
diff --git a/aosp/apex_handler_android_unittest.cc b/aosp/apex_handler_android_unittest.cc
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+++ b/aosp/apex_handler_android_unittest.cc
@@ -0,0 +1,109 @@
+//
+// Copyright (C) 2021 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 <utility>
+#include <filesystem>
+
+#include "update_engine/aosp/apex_handler_android.h"
+
+#include <android-base/file.h>
+#include <android-base/strings.h>
+#include <gtest/gtest.h>
+
+using android::base::EndsWith;
+
+namespace chromeos_update_engine {
+
+namespace fs = std::filesystem;
+
+class ApexHandlerAndroidTest : public ::testing::Test {
+ protected:
+  ApexHandlerAndroidTest() = default;
+
+  android::sp<android::apex::IApexService> GetApexService() const {
+    return apex_handler_.GetApexService();
+  }
+
+  uint64_t CalculateSize(
+      const std::vector<ApexInfo>& apex_infos,
+      android::sp<android::apex::IApexService> apex_service) const {
+    return apex_handler_.CalculateSize(apex_infos, apex_service);
+  }
+
+  bool AllocateSpace(const uint64_t size_required,
+                     const std::string& dir_path) const {
+    return apex_handler_.AllocateSpace(size_required, dir_path);
+  }
+
+  ApexInfo CreateApexInfo(const std::string& package_name,
+                          int version,
+                          bool is_compressed,
+                          int decompressed_size) {
+    ApexInfo result;
+    result.set_package_name(package_name);
+    result.set_version(version);
+    result.set_is_compressed(is_compressed);
+    result.set_decompressed_size(decompressed_size);
+    return std::move(result);
+  }
+
+  ApexHandlerAndroid apex_handler_;
+};
+
+// TODO(b/172911822): Once apexd has more optimized response for CalculateSize,
+//  improve this test
+TEST_F(ApexHandlerAndroidTest, CalculateSize) {
+  std::vector<ApexInfo> apex_infos;
+  ApexInfo compressed_apex_1 = CreateApexInfo("sample1", 1, true, 10);
+  ApexInfo compressed_apex_2 = CreateApexInfo("sample2", 2, true, 20);
+  apex_infos.push_back(compressed_apex_1);
+  apex_infos.push_back(compressed_apex_2);
+  auto apex_service = GetApexService();
+  EXPECT_TRUE(apex_service != nullptr) << "Apexservice not found";
+  int required_size = CalculateSize(apex_infos, apex_service);
+  EXPECT_EQ(required_size, 30);
+}
+
+TEST_F(ApexHandlerAndroidTest, AllocateSpace) {
+  // Allocating 0 space should be a no op
+  TemporaryDir td;
+  EXPECT_TRUE(AllocateSpace(0, td.path));
+  EXPECT_TRUE(fs::is_empty(td.path));
+
+  // Allocating non-zero space should create a file with tmp suffix
+  EXPECT_TRUE(AllocateSpace(2 << 20, td.path));
+  EXPECT_FALSE(fs::is_empty(td.path));
+  int num_of_file = 0;
+  for (const auto& entry : fs::directory_iterator(td.path)) {
+    num_of_file++;
+    EXPECT_TRUE(EndsWith(entry.path().string(), ".tmp"));
+    EXPECT_EQ(fs::file_size(entry.path()), 2u << 20);
+  }
+  EXPECT_EQ(num_of_file, 1);
+
+  // AllocateSpace should be safe to call twice
+  EXPECT_TRUE(AllocateSpace(100, td.path));
+  EXPECT_FALSE(fs::is_empty(td.path));
+  num_of_file = 0;
+  for (const auto& entry : fs::directory_iterator(td.path)) {
+    num_of_file++;
+    EXPECT_TRUE(EndsWith(entry.path().string(), ".tmp"));
+    EXPECT_EQ(fs::file_size(entry.path()), 100u);
+  }
+  EXPECT_EQ(num_of_file, 1);
+}
+
+}  // namespace chromeos_update_engine