| /* |
| * 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.brooklyn.cli; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertFalse; |
| import static org.testng.Assert.assertTrue; |
| import static org.testng.Assert.fail; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.NoSuchElementException; |
| import java.util.Scanner; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import org.apache.brooklyn.core.entity.factory.ApplicationBuilder; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeMethod; |
| |
| import com.google.common.collect.Lists; |
| |
| /** |
| * Command line interface test support. |
| */ |
| public class BaseCliIntegrationTest { |
| |
| // TODO does this need to be hard-coded? |
| private static final String BROOKLYN_BIN_PATH = "./target/brooklyn-dist/bin/brooklyn"; |
| private static final String BROOKLYN_CLASSPATH = "./target/test-classes/:./target/classes/"; |
| |
| // Times in seconds to allow Brooklyn to run and produce output |
| private static final long DELAY = 10l; |
| private static final long TIMEOUT = DELAY + 30l; |
| |
| private ExecutorService executor; |
| |
| @BeforeMethod(alwaysRun = true) |
| public void setup() { |
| executor = Executors.newCachedThreadPool(); |
| } |
| |
| @AfterMethod(alwaysRun = true) |
| public void teardown() { |
| executor.shutdownNow(); |
| } |
| |
| /** Invoke the brooklyn script with arguments. */ |
| public Process startBrooklyn(String...argv) throws Throwable { |
| ProcessBuilder pb = new ProcessBuilder(); |
| pb.environment().remove("BROOKLYN_HOME"); |
| pb.environment().put("BROOKLYN_CLASSPATH", BROOKLYN_CLASSPATH); |
| pb.command(Lists.asList(BROOKLYN_BIN_PATH, argv)); |
| return pb.start(); |
| } |
| |
| public void testBrooklyn(Process brooklyn, BrooklynCliTest test, int expectedExit) throws Throwable { |
| testBrooklyn(brooklyn, test, expectedExit, false); |
| } |
| |
| /** Tests the operation of the Brooklyn CLI. */ |
| public void testBrooklyn(Process brooklyn, BrooklynCliTest test, int expectedExit, boolean stop) throws Throwable { |
| try { |
| Future<Integer> future = executor.submit(test); |
| |
| // Send CR to stop if required |
| if (stop) { |
| OutputStream out = brooklyn.getOutputStream(); |
| out.write('\n'); |
| out.flush(); |
| } |
| |
| int exitStatus = future.get(TIMEOUT, TimeUnit.SECONDS); |
| |
| // Check error code from process |
| assertEquals(exitStatus, expectedExit, "Command returned wrong status"); |
| } catch (TimeoutException te) { |
| fail("Timed out waiting for process to complete", te); |
| } catch (ExecutionException ee) { |
| if (ee.getCause() instanceof AssertionError) { |
| throw ee.getCause(); |
| } else throw ee; |
| } finally { |
| brooklyn.destroy(); |
| } |
| } |
| |
| /** A {@link Callable} that encapsulates Brooklyn CLI test logic. */ |
| public static abstract class BrooklynCliTest implements Callable<Integer> { |
| |
| private final Process brooklyn; |
| |
| private String consoleOutput; |
| private String consoleError; |
| |
| public BrooklynCliTest(Process brooklyn) { |
| this.brooklyn = brooklyn; |
| } |
| |
| @Override |
| public Integer call() throws Exception { |
| // Wait for initial output |
| Thread.sleep(TimeUnit.SECONDS.toMillis(DELAY)); |
| |
| // Get the console output of running that command |
| consoleOutput = convertStreamToString(brooklyn.getInputStream()); |
| consoleError = convertStreamToString(brooklyn.getErrorStream()); |
| |
| // Check if the output looks as expected |
| checkConsole(); |
| |
| // Return exit status on completion |
| return brooklyn.waitFor(); |
| } |
| |
| /** Perform test assertions on console output and error streams. */ |
| public abstract void checkConsole(); |
| |
| private String convertStreamToString(InputStream is) { |
| try { |
| return new Scanner(is).useDelimiter("\\A").next(); |
| } catch (NoSuchElementException e) { |
| return ""; |
| } |
| } |
| |
| protected void assertConsoleOutput(String...expected) { |
| for (String e : expected) { |
| assertTrue(consoleOutput.contains(e), "Execution output not logged; output=" + consoleOutput); |
| } |
| } |
| |
| protected void assertNoConsoleOutput(String...expected) { |
| for (String e : expected) { |
| assertFalse(consoleOutput.contains(e), "Execution output logged; output=" + consoleOutput); |
| } |
| } |
| |
| protected void assertConsoleError(String...expected) { |
| for (String e : expected) { |
| assertTrue(consoleError.contains(e), "Execution error not logged; error=" + consoleError); |
| } |
| } |
| |
| protected void assertNoConsoleError(String...expected) { |
| for (String e : expected) { |
| assertFalse(consoleError.contains(e), "Execution error logged; error=" + consoleError); |
| } |
| } |
| |
| protected void assertConsoleOutputEmpty() { |
| assertTrue(consoleOutput.isEmpty(), "Output present; output=" + consoleOutput); |
| } |
| |
| protected void assertConsoleErrorEmpty() { |
| assertTrue(consoleError.isEmpty(), "Error present; error=" + consoleError); |
| } |
| }; |
| |
| /** An empty application for testing. */ |
| public static class TestApplication extends ApplicationBuilder { |
| @Override |
| protected void doBuild() { |
| // Empty, for testing |
| } |
| } |
| |
| } |