Github user pdxrunner commented on a diff in the pull request:
https://github.com/apache/geode/pull/699#discussion_r132497014
--- Diff:
geode-core/src/test/java/org/apache/geode/internal/process/NonBlockingProcessStreamReaderIntegrationTest.java
---
@@ -0,0 +1,182 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
contributor license
+ * agreements. See the NOTICE file distributed with this work for
additional information regarding
+ * copyright ownership. The ASF licenses this file to You 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 org.apache.geode.internal.process;
+
+import static
org.apache.geode.internal.process.ProcessStreamReader.ReadingMode.NON_BLOCKING;
+import static
org.apache.geode.internal.process.ProcessUtils.isProcessAlive;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import org.apache.geode.internal.process.ProcessStreamReader.Builder;
+import org.apache.geode.test.junit.categories.IntegrationTest;
+
+/**
+ * Functional integration tests for NonBlockingProcessStreamReader which
was introduced to fix TRAC
+ * #51967.
+ *
+ * @see BlockingProcessStreamReaderIntegrationTest
+ * @see BlockingProcessStreamReaderWindowsTest
+ *
+ * @since GemFire 8.2
+ */
+@Category(IntegrationTest.class)
+public class NonBlockingProcessStreamReaderIntegrationTest
+ extends BaseProcessStreamReaderIntegrationTest {
+
+ private StringBuffer stdoutBuffer;
+ private StringBuffer stderrBuffer;
+
+ @Before
+ public void before() {
+ stdoutBuffer = new StringBuffer();
+ stderrBuffer = new StringBuffer();
+ }
+
+ /**
+ * This test hangs on Windows if the implementation is blocking instead
of non-blocking.
+ */
+ @Test
+ public void canCloseStreamsWhileProcessIsAlive() throws Exception {
+ // arrange
+ process = new
ProcessBuilder(createCommandLine(ProcessSleeps.class)).start();
+ stdout = new
Builder(process).inputStream(process.getInputStream()).readingMode(NON_BLOCKING)
+ .build().start();
+ stderr = new
Builder(process).inputStream(process.getErrorStream()).readingMode(NON_BLOCKING)
--- End diff --
It looks like there may be an opportunity to extract a method from the
common code from the beginning of each test. Yes, there are some variations on
setting stdout and stderr, so maybe a couple methods to avoid duplicated code?
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