brooklyn-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From aleds...@apache.org
Subject [4/7] incubator-brooklyn git commit: Adds StreamGobblerTest
Date Thu, 15 Jan 2015 10:12:02 GMT
Adds StreamGobblerTest


Project: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/commit/d89062b8
Tree: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/tree/d89062b8
Diff: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/diff/d89062b8

Branch: refs/heads/master
Commit: d89062b86f99d2cfae0d1558c4697b23ab7d3c7c
Parents: ce16828
Author: Aled Sage <aled.sage@gmail.com>
Authored: Thu Jan 8 22:19:47 2015 +0000
Committer: Aled Sage <aled.sage@gmail.com>
Committed: Wed Jan 14 22:38:08 2015 +0000

----------------------------------------------------------------------
 .../brooklyn/util/stream/StreamGobblerTest.java | 88 ++++++++++++++++++++
 1 file changed, 88 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/d89062b8/utils/common/src/test/java/brooklyn/util/stream/StreamGobblerTest.java
----------------------------------------------------------------------
diff --git a/utils/common/src/test/java/brooklyn/util/stream/StreamGobblerTest.java b/utils/common/src/test/java/brooklyn/util/stream/StreamGobblerTest.java
new file mode 100644
index 0000000..4722829
--- /dev/null
+++ b/utils/common/src/test/java/brooklyn/util/stream/StreamGobblerTest.java
@@ -0,0 +1,88 @@
+/*
+ * 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 brooklyn.util.stream;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertFalse;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.PipedInputStream;
+import java.io.PipedOutputStream;
+
+import org.testng.annotations.Test;
+
+import brooklyn.test.Asserts;
+
+public class StreamGobblerTest {
+
+    @Test
+    public void testGobbleStream() throws Exception {
+        byte[] bytes = new byte[] {'a','b','c'};
+        InputStream stream = new ByteArrayInputStream(bytes);
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        StreamGobbler gobbler = new StreamGobbler(stream, out, null);
+        gobbler.start();
+        try {
+            gobbler.join(10*1000);
+            assertFalse(gobbler.isAlive());
+            assertEquals(new String(out.toByteArray()), "abc\n");
+        } finally {
+            gobbler.close();
+            gobbler.interrupt();
+        }
+    }
+    
+    @Test
+    public void testGobbleMultiLineBlockingStream() throws Exception {
+        PipedOutputStream pipedOutputStream = new PipedOutputStream();
+        PipedInputStream stream = new PipedInputStream(pipedOutputStream);
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        StreamGobbler gobbler = new StreamGobbler(stream, out, null);
+        gobbler.start();
+        try {
+            pipedOutputStream.write("line1\n".getBytes());
+            assertEqualsEventually(out, "line1\n");
+
+            pipedOutputStream.write("line2\n".getBytes());
+            assertEqualsEventually(out, "line1\nline2\n");
+
+            pipedOutputStream.write("line".getBytes());
+            pipedOutputStream.write("3\n".getBytes());
+            assertEqualsEventually(out, "line1\nline2\nline3\n");
+
+            pipedOutputStream.close();
+            
+            gobbler.join(10*1000);
+            assertFalse(gobbler.isAlive());
+            assertEquals(new String(out.toByteArray()), "line1\nline2\nline3\n");
+        } finally {
+            gobbler.close();
+            gobbler.interrupt();
+        }
+    }
+    
+    private void assertEqualsEventually(final ByteArrayOutputStream out, final String expected)
{
+        Asserts.succeedsEventually(new Runnable() {
+            public void run() {
+                assertEquals(new String(out.toByteArray()), expected);
+            }});
+    }
+}


Mime
View raw message