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From geomacy <...@git.apache.org>
Subject [GitHub] brooklyn-server pull request #734: Support ConfigKey deprecated names
Date Mon, 26 Jun 2017 13:41:15 GMT
Github user geomacy commented on a diff in the pull request:

    https://github.com/apache/brooklyn-server/pull/734#discussion_r124009325
  
    --- Diff: core/src/test/java/org/apache/brooklyn/core/config/ConfigKeyDeprecationTest.java
---
    @@ -0,0 +1,328 @@
    +/*
    + * 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.core.config;
    +
    +import static org.testng.Assert.assertEquals;
    +
    +import org.apache.brooklyn.api.entity.Entity;
    +import org.apache.brooklyn.api.entity.EntityInitializer;
    +import org.apache.brooklyn.api.entity.EntityLocal;
    +import org.apache.brooklyn.api.entity.EntitySpec;
    +import org.apache.brooklyn.api.entity.ImplementedBy;
    +import org.apache.brooklyn.api.location.LocationSpec;
    +import org.apache.brooklyn.api.policy.PolicySpec;
    +import org.apache.brooklyn.api.sensor.EnricherSpec;
    +import org.apache.brooklyn.config.ConfigKey;
    +import org.apache.brooklyn.core.enricher.AbstractEnricher;
    +import org.apache.brooklyn.core.entity.AbstractEntity;
    +import org.apache.brooklyn.core.entity.EntityInternal;
    +import org.apache.brooklyn.core.entity.internal.ConfigUtilsInternal;
    +import org.apache.brooklyn.core.location.AbstractLocation;
    +import org.apache.brooklyn.core.policy.AbstractPolicy;
    +import org.apache.brooklyn.core.test.BrooklynAppUnitTestSupport;
    +import org.apache.brooklyn.core.test.entity.TestEntity;
    +import org.apache.brooklyn.entity.stock.BasicEntity;
    +import org.apache.brooklyn.test.LogWatcher;
    +import org.apache.brooklyn.test.LogWatcher.EventPredicates;
    +import org.apache.brooklyn.util.core.config.ConfigBag;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +import org.testng.annotations.Test;
    +
    +import com.google.common.base.Predicate;
    +import com.google.common.collect.ImmutableMap;
    +
    +import ch.qos.logback.classic.spi.ILoggingEvent;
    +
    +public class ConfigKeyDeprecationTest extends BrooklynAppUnitTestSupport {
    +
    +    @SuppressWarnings("unused")
    +    private static final Logger log = LoggerFactory.getLogger(ConfigKeyDeprecationTest.class);
    +    
    +    public static final ConfigKey<String> KEY_1 = ConfigKeys.builder(String.class,
"key1")
    +            .deprecatedNames("oldKey1", "oldKey1b")
    +            .build();
    +
    +    @Test
    +    public void testUsingDeprecatedName() throws Exception {
    +        EntityInternal entity = app.addChild(EntitySpec.create(MyBaseEntity.class)
    +                .configure("oldSuperKey1", "myval"));
    +        EntityInternal entity2 = app.addChild(EntitySpec.create(MyBaseEntity.class)
    +                .configure("oldSuperKey1b", "myval"));
    +        assertEquals(entity.config().get(MyBaseEntity.SUPER_KEY_1), "myval");
    +        assertEquals(entity2.config().get(MyBaseEntity.SUPER_KEY_1), "myval");
    +    }
    +
    +    @Test
    +    public void testPrefersNonDeprecatedName() throws Exception {
    +        EntityInternal entity = app.addChild(EntitySpec.create(MyBaseEntity.class)
    +                .configure("superKey1", "myval")
    +                .configure("oldSuperKey1", "mywrongval"));
    +        assertEquals(entity.config().get(MyBaseEntity.SUPER_KEY_1), "myval");
    +    }
    +    
    +    @Test
    +    public void testPrefersFirstDeprecatedNameIfMultiple() throws Exception {
    +        EntityInternal entity = app.addChild(EntitySpec.create(MyBaseEntity.class)
    +                .configure("oldSuperKey1", "myval1")
    +                .configure("oldSuperKey1b", "myval2"));
    +        assertEquals(entity.config().get(MyBaseEntity.SUPER_KEY_1), "myval1");
    +    }
    +    
    +    @Test
    +    public void testInheritsDeprecatedKeyFromRuntimeParent() throws Exception {
    +        EntityInternal entity = app.addChild(EntitySpec.create(TestEntity.class)
    +                .configure("oldSuperKey1", "myval"));
    +        EntityInternal child = entity.addChild(EntitySpec.create(MyBaseEntity.class));
    +        assertEquals(child.config().get(MyBaseEntity.SUPER_KEY_1), "myval");
    +    }
    +
    +    @Test
    +    public void testInheritsDeprecatedKeyFromSuperType() throws Exception {
    +        EntityInternal entity = app.addChild(EntitySpec.create(MySubEntity.class)
    +                .configure("oldSuperKey1", "myval")
    +                .configure("oldSuperKey2", "myval2")
    +                .configure("oldSubKey2", "myval3")
    +                .configure("oldInterfaceKey1", "myval4"));
    +        assertEquals(entity.config().get(MySubEntity.SUPER_KEY_1), "myval");
    +        assertEquals(entity.config().get(MySubEntity.SUPER_KEY_2), "myval2");
    +        assertEquals(entity.config().get(MySubEntity.SUB_KEY_2), "myval3");
    +        assertEquals(entity.config().get(MyInterface.INTERFACE_KEY_1), "myval4");
    +    }
    +
    +    @Test
    +    public void testUsingDeprecatedNameInLocation() throws Exception {
    +        MyLocation loc = mgmt.getLocationManager().createLocation(LocationSpec.create(MyLocation.class)
    +                .configure("oldKey1", "myval"));
    +        assertEquals(loc.config().get(MyLocation.KEY_1), "myval");
    +    }
    +
    +    @Test
    +    public void testUsingDeprecatedNameInPolicy() throws Exception {
    +        MyPolicy policy = app.policies().add(PolicySpec.create(MyPolicy.class)
    +                .configure("oldKey1", "myval"));
    +        assertEquals(policy.config().get(MyPolicy.KEY_1), "myval");
    +    }
    +
    +    @Test
    +    public void testUsingDeprecatedNameInEnricher() throws Exception {
    +        MyEnricher enricher = app.enrichers().add(EnricherSpec.create(MyEnricher.class)
    +                .configure("oldKey1", "myval"));
    +        assertEquals(enricher.config().get(MyEnricher.KEY_1), "myval");
    +    }
    +
    +    @Test
    +    public void testUsingDeprecatedNameInEntityInitializer() throws Exception {
    +        Entity entity = app.addChild(EntitySpec.create(BasicEntity.class)
    +                .addInitializer(new MyEntityInitializer(ConfigBag.newInstance(ImmutableMap.of("oldKey1",
"myval")))));
    +        assertEquals(entity.config().get(MyEntityInitializer.KEY_1), "myval");
    +    }
    +
    +    @Test
    +    public void testSetConfigUsingDeprecatedName() throws Exception {
    +        EntityInternal entity = app.addChild(EntitySpec.create(MyBaseEntity.class));
    +        
    +        // Set using strongly typed key
    +        entity.config().set(MyBaseEntity.SUPER_KEY_1, "myval");
    +        assertEquals(entity.config().get(MyBaseEntity.SUPER_KEY_1), "myval");
    +        
    +        // Set using correct string
    +        entity.config().putAll(ImmutableMap.of("superKey1", "myval2"));
    +        assertEquals(entity.config().get(MyBaseEntity.SUPER_KEY_1), "myval2");
    +        
    +        // Set using deprecated name
    +        entity.config().putAll(ImmutableMap.of("oldSuperKey1", "myval3"));
    +        assertEquals(entity.config().get(MyBaseEntity.SUPER_KEY_1), "myval3");
    +        
    +        // Set using pseudo-generated strongly typed key with deprecated name
    +        entity.config().set(ConfigKeys.newConfigKey(Object.class, "oldSuperKey1"), "myval4");
    +        assertEquals(entity.config().get(MyBaseEntity.SUPER_KEY_1), "myval4");
    +    }
    +
    +    @Test
    +    public void testSetAndGetDynamicConfigUsingDeprecatedName() throws Exception {
    +        // Using BasicEntity, which doesn't know about KEY_1
    +        EntityInternal entity = (EntityInternal) app.addChild(EntitySpec.create(BasicEntity.class));
    +        
    +        // Set using deprecated name
    +        entity.config().putAll(ImmutableMap.of("oldKey1", "myval3"));
    +        assertEquals(entity.config().get(KEY_1), "myval3");
    +        
    +        // Set using pseudo-generated strongly typed key with deprecated name
    +        entity.config().set(ConfigKeys.newConfigKey(Object.class, "oldKey1"), "myval4");
    +        assertEquals(entity.config().get(KEY_1), "myval4");
    +    }
    +
    +    /*
    +    // Setting the value of a "dynamic config key" when using the deprecated key will
not overwrite
    +    // any existing value that was set using the real config key name. I think this is
because 
    +    // EntityDynamicType.addConfigKey() is not called when KEY_1 is first set, so it
doesn't have
    +    // access to the deprecated names on subsequent calls to set(String, val). It therefore
stores
    +    // in EntityConfigMap (backed by a ConfigBag) the original key-value and the deprecated
key-value.
    +    // When we subsequently call get(key), it retrieved the original key-value.
    +    //
    +    // Contrast this with EntityDynamicType.addSensorIfAbsent().
    +    //
    +     * However, it's (probably) not straight forward to just add and call a addConfigKeyIfAbsent.
This
    +     * is because config().set() is used for dynamic config declard in yaml, which the
entity doesn't
    --- End diff --
    
    typo `declard`


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