/**
* 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.ambari.server.api.services.stackadvisor;
import static org.easymock.EasyMock.expect;
import static org.junit.Assert.fail;
import static org.powermock.api.easymock.PowerMock.createNiceMock;
import static org.powermock.api.easymock.PowerMock.replay;
import static org.powermock.api.support.membermodification.MemberModifier.stub;
import java.io.File;
import java.io.IOException;
import org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommandType;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.powermock.api.easymock.PowerMock;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
/**
* StackAdvisorRunner unit tests.
*/
@RunWith(PowerMockRunner.class)
@PrepareForTest(StackAdvisorRunner.class)
public class StackAdvisorRunnerTest {
private TemporaryFolder temp = new TemporaryFolder();
@Before
public void setUp() throws IOException {
temp.create();
}
@After
public void tearDown() throws IOException {
temp.delete();
}
@Test(expected = StackAdvisorException.class)
public void testRunScript_processStartThrowsException_returnFalse() throws Exception {
String script = "echo";
StackAdvisorCommandType saCommandType = StackAdvisorCommandType.RECOMMEND_COMPONENT_LAYOUT;
File actionDirectory = temp.newFolder("actionDir");
ProcessBuilder processBuilder = createNiceMock(ProcessBuilder.class);
StackAdvisorRunner saRunner = new StackAdvisorRunner();
stub(PowerMock.method(StackAdvisorRunner.class, "prepareShellCommand"))
.toReturn(processBuilder);
expect(processBuilder.start()).andThrow(new IOException());
replay(processBuilder);
saRunner.runScript(script, saCommandType, actionDirectory);
}
@Test(expected = StackAdvisorRequestException.class)
public void testRunScript_processExitCode1_returnFalse() throws Exception {
String script = "echo";
StackAdvisorCommandType saCommandType = StackAdvisorCommandType.RECOMMEND_COMPONENT_LAYOUT;
File actionDirectory = temp.newFolder("actionDir");
ProcessBuilder processBuilder = createNiceMock(ProcessBuilder.class);
Process process = createNiceMock(Process.class);
StackAdvisorRunner saRunner = new StackAdvisorRunner();
stub(PowerMock.method(StackAdvisorRunner.class, "prepareShellCommand"))
.toReturn(processBuilder);
expect(processBuilder.start()).andReturn(process);
expect(process.waitFor()).andReturn(1);
replay(processBuilder, process);
saRunner.runScript(script, saCommandType, actionDirectory);
}
@Test(expected = StackAdvisorException.class)
public void testRunScript_processExitCode2_returnFalse() throws Exception {
String script = "echo";
StackAdvisorCommandType saCommandType = StackAdvisorCommandType.RECOMMEND_COMPONENT_LAYOUT;
File actionDirectory = temp.newFolder("actionDir");
ProcessBuilder processBuilder = createNiceMock(ProcessBuilder.class);
Process process = createNiceMock(Process.class);
StackAdvisorRunner saRunner = new StackAdvisorRunner();
stub(PowerMock.method(StackAdvisorRunner.class, "prepareShellCommand"))
.toReturn(processBuilder);
expect(processBuilder.start()).andReturn(process);
expect(process.waitFor()).andReturn(2);
replay(processBuilder, process);
saRunner.runScript(script, saCommandType, actionDirectory);
}
@Test
public void testRunScript_processExitCodeZero_returnTrue() throws Exception {
String script = "echo";
StackAdvisorCommandType saCommandType = StackAdvisorCommandType.RECOMMEND_COMPONENT_LAYOUT;
File actionDirectory = temp.newFolder("actionDir");
ProcessBuilder processBuilder = createNiceMock(ProcessBuilder.class);
Process process = createNiceMock(Process.class);
StackAdvisorRunner saRunner = new StackAdvisorRunner();
stub(PowerMock.method(StackAdvisorRunner.class, "prepareShellCommand"))
.toReturn(processBuilder);
expect(processBuilder.start()).andReturn(process);
expect(process.waitFor()).andReturn(0);
replay(processBuilder, process);
try {
saRunner.runScript(script, saCommandType, actionDirectory);
} catch (StackAdvisorException ex) {
fail("Should not fail with StackAdvisorException");
}
}
}