| // Copyright 2011 The Bazel Authors. All Rights Reserved. |
| // |
| // 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.testing.junit.runner.util; |
| |
| import com.google.testing.junit.runner.util.TestPropertyExporter.Callback; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * JUnit runner integration code for test properties. Most code should not |
| * use this, and should instead use {@link TestPropertyExporter}. |
| */ |
| public class TestPropertyRunnerIntegration { |
| private static ThreadLocal<Callback> callbackForThread |
| = new ThreadLocal<Callback>() { |
| @Override |
| protected TestPropertyExporter.Callback initialValue() { |
| return NoOpCallback.INSTANCE; |
| } |
| }; |
| |
| /** |
| * Sets the per-thread callback. |
| * |
| * @param callback Callback |
| */ |
| public static TestPropertyExporter.Callback setTestCaseForThread(@Nullable Callback callback) { |
| Callback previousCallback = callbackForThread.get(); |
| if (callback == null) { |
| callbackForThread.remove(); |
| } else { |
| callbackForThread.set(callback); |
| } |
| return previousCallback; |
| } |
| |
| static Callback getCallbackForThread() { |
| return callbackForThread.get(); |
| } |
| |
| private static class NoOpCallback implements Callback { |
| private static final Callback INSTANCE = new NoOpCallback(); |
| |
| @Override |
| public void exportProperty(String name, String value) { |
| } |
| |
| @Override |
| public String exportRepeatedProperty(String name, String value) { |
| return name; |
| } |
| } |
| |
| } |