| // 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. |
| |
| package com.google.gerrit.server.cache.serialize.entities; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.gerrit.entities.Patch.ChangeType; |
| import com.google.gerrit.server.patch.gitdiff.GitModifiedFilesCacheImpl.ValueSerializer; |
| import com.google.gerrit.server.patch.gitdiff.ModifiedFile; |
| import java.util.Optional; |
| import org.junit.Test; |
| |
| public class ModifiedFilesSerializerTest { |
| @Test |
| public void roundTrip() { |
| ImmutableList.Builder<ModifiedFile> builder = ImmutableList.builder(); |
| |
| builder.add( |
| ModifiedFile.builder() |
| .changeType(ChangeType.DELETED) |
| .oldPath(Optional.of("file_1.txt")) |
| .newPath(Optional.of("file_2.txt")) |
| .build()); |
| builder.add( |
| ModifiedFile.builder() |
| .changeType(ChangeType.ADDED) |
| .oldPath(Optional.empty()) |
| .newPath(Optional.of("file_3.txt")) |
| .build()); |
| |
| // Note: the default value for strings in protocol buffers is the empty string, hence the |
| // serializer will not be able to differentiate between an empty optional and an optional |
| // with an empty string, i.e. if we serialize an optional with an empty string, the deserialized |
| // object will be an empty optional. That should not be problematic in this case because file |
| // paths cannot be empty anyway. |
| |
| ImmutableList<ModifiedFile> modifiedFiles = builder.build(); |
| |
| byte[] serialized = ValueSerializer.INSTANCE.serialize(modifiedFiles); |
| |
| assertThat(ValueSerializer.INSTANCE.deserialize(serialized)).isEqualTo(modifiedFiles); |
| } |
| } |