//
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// Copyright (C) 2017 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "update_engine/image_properties.h"
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#include <string>
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#include <base/files/file_util.h>
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#include <base/files/scoped_temp_dir.h>
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#include <gtest/gtest.h>
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#include "update_engine/common/constants.h"
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#include "update_engine/common/fake_prefs.h"
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#include "update_engine/common/test_utils.h"
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#include "update_engine/fake_system_state.h"
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using chromeos_update_engine::test_utils::WriteFileString;
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using std::string;
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namespace chromeos_update_engine {
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class ImagePropertiesTest : public ::testing::Test {
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protected:
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void SetUp() override {
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// Create a uniquely named test directory.
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ASSERT_TRUE(tempdir_.CreateUniqueTempDir());
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osrelease_dir_ = tempdir_.GetPath().Append("etc/os-release.d");
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EXPECT_TRUE(base::CreateDirectory(osrelease_dir_));
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test::SetImagePropertiesRootPrefix(tempdir_.GetPath().value().c_str());
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}
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void WriteOsRelease(const string& key, const string& value) {
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ASSERT_TRUE(WriteFileString(osrelease_dir_.Append(key).value(), value));
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}
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void WriteChannel(const string& channel) {
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string misc(2080, '\0');
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misc += channel;
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misc.resize(4096);
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ASSERT_TRUE(
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WriteFileString(tempdir_.GetPath().Append("misc").value(), misc));
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}
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FakeSystemState fake_system_state_;
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base::ScopedTempDir tempdir_;
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base::FilePath osrelease_dir_;
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};
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TEST_F(ImagePropertiesTest, SimpleTest) {
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WriteOsRelease("product_id", "abc");
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WriteOsRelease("system_id", "def");
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WriteOsRelease("product_version", "1.2.3.4");
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WriteOsRelease("system_version", "5.6.7.8");
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ImageProperties props = LoadImageProperties(&fake_system_state_);
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EXPECT_EQ("abc", props.product_id);
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EXPECT_EQ("def", props.system_id);
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EXPECT_EQ("1.2.3.4", props.version);
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EXPECT_EQ("5.6.7.8", props.system_version);
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EXPECT_EQ("stable-channel", props.current_channel);
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EXPECT_EQ(constants::kOmahaDefaultProductionURL, props.omaha_url);
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}
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TEST_F(ImagePropertiesTest, IDPrefixTest) {
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WriteOsRelease("product_id", "abc:def");
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WriteOsRelease("system_id", "foo:bar");
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ImageProperties props = LoadImageProperties(&fake_system_state_);
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EXPECT_EQ("abc:def", props.product_id);
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EXPECT_EQ("abc:bar", props.system_id);
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}
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TEST_F(ImagePropertiesTest, IDInvalidPrefixTest) {
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WriteOsRelease("product_id", "def");
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WriteOsRelease("system_id", "foo:bar");
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ImageProperties props = LoadImageProperties(&fake_system_state_);
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EXPECT_EQ("def", props.product_id);
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EXPECT_EQ("foo:bar", props.system_id);
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WriteOsRelease("product_id", "abc:def");
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WriteOsRelease("system_id", "bar");
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props = LoadImageProperties(&fake_system_state_);
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EXPECT_EQ("abc:def", props.product_id);
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EXPECT_EQ("bar", props.system_id);
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}
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TEST_F(ImagePropertiesTest, LoadChannelTest) {
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WriteChannel("unittest-channel");
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ImageProperties props = LoadImageProperties(&fake_system_state_);
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EXPECT_EQ("unittest-channel", props.current_channel);
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}
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TEST_F(ImagePropertiesTest, DefaultStableChannelTest) {
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WriteChannel("");
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ImageProperties props = LoadImageProperties(&fake_system_state_);
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EXPECT_EQ("stable-channel", props.current_channel);
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}
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TEST_F(ImagePropertiesTest, StoreLoadMutableChannelTest) {
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FakePrefs prefs;
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fake_system_state_.set_prefs(&prefs);
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WriteChannel("previous-channel");
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MutableImageProperties props;
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props.target_channel = "new-channel";
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EXPECT_TRUE(StoreMutableImageProperties(&fake_system_state_, props));
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MutableImageProperties loaded_props =
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LoadMutableImageProperties(&fake_system_state_);
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EXPECT_EQ(props.target_channel, loaded_props.target_channel);
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}
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} // namespace chromeos_update_engine
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