Java tutorial
/** * 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.whirr.service.jclouds; import static org.hamcrest.Matchers.containsString; import static org.hamcrest.Matchers.greaterThan; import static org.hamcrest.Matchers.is; import static org.hamcrest.Matchers.not; import static org.junit.Assert.assertThat; import org.apache.commons.configuration.PropertiesConfiguration; import org.apache.whirr.ClusterSpec; import org.jclouds.scriptbuilder.domain.OsFamily; import org.jclouds.scriptbuilder.domain.Statements; import org.junit.Test; public class StatementBuilderTest { @Test public void testDeduplication() throws Exception { ClusterSpec clusterSpec = ClusterSpec.withTemporaryKeys(); clusterSpec.setClusterName("test-cluster"); clusterSpec.setProvider("test-provider"); StatementBuilder builder = new StatementBuilder(); builder.addStatement(new RunUrlStatement(false, "http://example.org/", "a/b", "c")); builder.addStatement(new RunUrlStatement(false, "http://example.org/", "d/e", "f")); builder.addStatement(new RunUrlStatement(false, "http://example.org/", "a/b", "c")); String script = builder.name("foo").build(clusterSpec).render(OsFamily.UNIX); int first = script.indexOf("runurl http://example.org/a/b c"); assertThat(first, greaterThan(-1)); int second = script.indexOf("runurl http://example.org/a/b c", first + 1); assertThat("No second occurrence", second, is(-1)); assertThat(script, containsString("runurl http://example.org/d/e f")); } @Test public void testExplicitExports() throws Exception { ClusterSpec clusterSpec = ClusterSpec.withTemporaryKeys(); clusterSpec.setClusterName("test-cluster"); clusterSpec.setProvider("test-provider"); StatementBuilder builder = new StatementBuilder(); builder.addExport("fooBar", "my_value"); builder.addStatement(Statements.exec("echo $FOO_BAR")); String script = builder.name("foo").build(clusterSpec).render(OsFamily.UNIX); assertThat(script, containsString("export FOO_BAR=")); assertThat(script, containsString("my_value")); assertThat(script, containsString("echo $FOO_BAR")); } @Test public void testClusterSpecExports() throws Exception { PropertiesConfiguration conf = new PropertiesConfiguration(); conf.addProperty("ignored", "ignored_value"); conf.addProperty("whirr.env.fooBar", "my_value"); ClusterSpec clusterSpec = ClusterSpec.withTemporaryKeys(conf); clusterSpec.setClusterName("test-cluster"); clusterSpec.setProvider("test-provider"); StatementBuilder builder = new StatementBuilder(); builder.addStatement(Statements.exec("echo $FOO_BAR")); String script = builder.name("foo").build(clusterSpec).render(OsFamily.UNIX); assertThat(script, containsString("export FOO_BAR=")); assertThat(script, containsString("my_value")); assertThat(script, containsString("echo $FOO_BAR")); assertThat(script, not(containsString("ignored"))); } }