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author | Jacek Centkowski <geminica.programs@gmail.com> | 2022-05-11 11:27:58 +0100 |
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committer | David Ostrovsky <david.ostrovsky@gmail.com> | 2022-05-20 13:03:53 +0000 |
commit | 92424ddb0c4f096a449f45cf6f1d99441807fb59 (patch) | |
tree | fb48376a857e05d7969cfafdd8af3029e218a814 | |
parent | 24b3a47524cfd2e3c3a5e8b946398345765cda2c (diff) |
Add Optional type JSON (de)serialization unit tests
Release-Notes: skip
Change-Id: Ied9fc2f702922cc61a8a9e0b2bf9b372539eddb7
(cherry picked from commit da9078c3c3ee92f6c55ce4063603974c70f00c9c)
-rw-r--r-- | javatests/com/google/gerrit/server/notedb/ChangeNoteJsonTest.java | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/javatests/com/google/gerrit/server/notedb/ChangeNoteJsonTest.java b/javatests/com/google/gerrit/server/notedb/ChangeNoteJsonTest.java new file mode 100644 index 0000000000..43153ae633 --- /dev/null +++ b/javatests/com/google/gerrit/server/notedb/ChangeNoteJsonTest.java @@ -0,0 +1,65 @@ +// Copyright (C) 2022 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.notedb; + +import static com.google.common.truth.Truth.assertThat; +import static com.google.common.truth.Truth8.assertThat; + +import com.google.gson.Gson; +import com.google.inject.TypeLiteral; +import java.util.Optional; +import org.junit.Test; + +public class ChangeNoteJsonTest { + private final Gson gson = new ChangeNoteJson().getGson(); + + @Test + public void shouldSerializeAndDeserializeEmptyOptional() { + // given + Optional<?> empty = Optional.empty(); + + // when + String json = gson.toJson(empty); + + // then + assertThat(json).isEqualTo("{}"); + + // and when + Optional<?> result = gson.fromJson(json, Optional.class); + + // and then + assertThat(result).isEmpty(); + } + + @Test + public void shouldSerializeAndDeserializeNonEmptyOptional() { + // given + String value = "foo"; + Optional<String> nonEmpty = Optional.of(value); + + // when + String json = gson.toJson(nonEmpty); + + // then + assertThat(json).isEqualTo("{\n \"value\": \"" + value + "\"\n}"); + + // and when + Optional<String> result = gson.fromJson(json, new TypeLiteral<Optional<String>>() {}.getType()); + + // and then + assertThat(result).isPresent(); + assertThat(result.get()).isEqualTo(value); + } +} |