| /* |
| * Copyright 2016 The Apache Software Foundation. |
| * |
| * Licensed 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.camp.brooklyn.spi.dsl; |
| |
| import org.apache.brooklyn.api.entity.Entity; |
| import org.apache.brooklyn.camp.BasicCampPlatform; |
| import org.apache.brooklyn.camp.brooklyn.AbstractYamlTest; |
| import org.apache.brooklyn.camp.brooklyn.BrooklynCampConstants; |
| import org.apache.brooklyn.config.ConfigKey; |
| import org.apache.brooklyn.core.config.ConfigKeys; |
| import org.apache.brooklyn.core.entity.Attributes; |
| import org.apache.brooklyn.core.entity.EntityInternal; |
| import org.apache.brooklyn.core.entity.EntityPredicates; |
| import org.apache.brooklyn.entity.stock.BasicApplication; |
| import org.apache.brooklyn.entity.stock.BasicEntity; |
| import org.apache.brooklyn.test.Asserts; |
| import org.apache.brooklyn.util.collections.MutableMap; |
| import org.apache.brooklyn.util.core.task.Tasks; |
| import org.apache.brooklyn.util.stream.Streams; |
| import org.apache.brooklyn.util.yaml.Yamls; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.Test; |
| |
| import com.google.common.collect.Iterables; |
| |
| public class DslParseComponentsTest extends AbstractYamlTest { |
| |
| private static final ConfigKey<Object> DEST = ConfigKeys.newConfigKey(Object.class, "dest"); |
| private static final ConfigKey<Object> DEST2 = ConfigKeys.newConfigKey(Object.class, "dest2"); |
| |
| private static final Logger log = LoggerFactory.getLogger(DslParseComponentsTest.class); |
| |
| Entity app = null; |
| |
| protected Entity app() throws Exception { |
| if (app==null) { |
| app = createAndStartApplication( |
| "services:", |
| "- type: " + BasicApplication.class.getName(), |
| " id: one", |
| " brooklyn.config:", |
| " dest: 1", |
| " dest2: 1", |
| " brooklyn.children:", |
| " - type: "+BasicEntity.class.getName(), |
| " id: two", |
| " brooklyn.config:", |
| " dest2: 2" |
| ); |
| } |
| return app; |
| } |
| |
| @AfterMethod(alwaysRun = true) |
| @Override |
| public void tearDown() throws Exception { |
| app = null; |
| super.tearDown(); |
| } |
| |
| private Entity find(String desiredComponentId) { |
| return Iterables.tryFind(mgmt().getEntityManager().getEntities(), EntityPredicates.configEqualTo(BrooklynCampConstants.PLAN_ID, desiredComponentId)).orNull(); |
| } |
| |
| public Object parseDslExpression(String input) { |
| String s1 = Yamls.getAs( Yamls.parseAll( Streams.reader(Streams.newInputStreamWithContents(input)) ), String.class ); |
| BasicCampPlatform p = new BasicCampPlatform(); |
| p.pdp().addInterpreter(new BrooklynDslInterpreter()); |
| Object out = p.pdp().applyInterpreters(MutableMap.of("key", s1)).get("key"); |
| log.debug("parsed "+input+" as "+out+" ("+(out==null ? "null" : out.getClass())+")"); |
| return out; |
| } |
| |
| @Test |
| public void testTestSetup() throws Exception { |
| app(); |
| Assert.assertEquals(find("two").getConfig(DEST), 1); |
| Assert.assertEquals(find("two").getConfig(DEST2), 2); |
| } |
| |
| @Test |
| public void testDslParsingAndFormatStringEvaluation() throws Exception { |
| // format string evaluates immediately |
| Assert.assertEquals(parseDslExpression("$brooklyn:formatString(\"hello %s\", \"world\")"), "hello world"); |
| } |
| |
| @Test |
| public void testConfigParsingAndToString() throws Exception { |
| String x1 = "$brooklyn:config(\"dest\")"; |
| Object y1 = parseDslExpression(x1); |
| // however config is a deferred supplier, with a toString in canonical form |
| Asserts.assertInstanceOf(y1, BrooklynDslDeferredSupplier.class); |
| Assert.assertEquals(y1.toString(), x1); |
| } |
| |
| @Test |
| public void testConfigEvaluation() throws Exception { |
| app(); |
| |
| Object y1 = parseDslExpression("$brooklyn:config(\"dest\")"); |
| String y2 = Tasks.resolveValue(y1, String.class, ((EntityInternal) find("two")).getExecutionContext()); |
| Assert.assertEquals(y2.toString(), "1"); |
| } |
| |
| @Test |
| public void testFormatStringWithConfig() throws Exception { |
| app(); |
| |
| Object y1 = parseDslExpression("$brooklyn:formatString(\"%s-%s\", config(\"dest\"), $brooklyn:config(\"dest2\"))"); |
| Assert.assertEquals(y1.toString(), "$brooklyn:formatString(\"%s-%s\", config(\"dest\"), config(\"dest2\"))"); |
| |
| String y2 = Tasks.resolveValue(y1, String.class, ((EntityInternal) find("two")).getExecutionContext()); |
| Assert.assertEquals(y2.toString(), "1-2"); |
| |
| String y3 = Tasks.resolveValue(y1, String.class, ((EntityInternal) find("one")).getExecutionContext()); |
| Assert.assertEquals(y3.toString(), "1-1"); |
| } |
| |
| @Test |
| public void testEntityReferenceAndAttributeWhenReady() throws Exception { |
| app(); |
| find("one").sensors().set(Attributes.ADDRESS, "1"); |
| find("two").sensors().set(Attributes.ADDRESS, "2"); |
| |
| Object y1 = parseDslExpression("$brooklyn:formatString(\"%s-%s\", " |
| + "parent().attributeWhenReady(\"host.address\"), " |
| + "$brooklyn:attributeWhenReady(\"host.address\"))"); |
| Assert.assertEquals(y1.toString(), "$brooklyn:formatString(\"%s-%s\", " |
| + "parent().attributeWhenReady(\"host.address\"), " |
| + "attributeWhenReady(\"host.address\"))"); |
| |
| String y2 = Tasks.resolveValue(y1, String.class, ((EntityInternal) find("two")).getExecutionContext()); |
| Assert.assertEquals(y2.toString(), "1-2"); |
| |
| Object z1 = parseDslExpression("$brooklyn:formatString(\"%s-%s\", " |
| + "entity(\"one\").descendant(\"two\").attributeWhenReady(\"host.address\"), " |
| + "component(\"two\").entity(entityId()).attributeWhenReady(\"host.address\"))"); |
| Assert.assertEquals(z1.toString(), "$brooklyn:formatString(\"%s-%s\", " |
| + "entity(\"one\").descendant(\"two\").attributeWhenReady(\"host.address\"), " |
| + "entity(entityId()).attributeWhenReady(\"host.address\"))"); |
| |
| String z2 = Tasks.resolveValue(z1, String.class, ((EntityInternal) find("one")).getExecutionContext()); |
| Assert.assertEquals(z2.toString(), "2-1"); |
| } |
| |
| } |