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From strub...@apache.org
Subject [openwebbeans] branch master updated: add unit test for correct behaviour of Destroy using Instance<T>
Date Wed, 11 Sep 2019 10:49:23 GMT
This is an automated email from the ASF dual-hosted git repository.

struberg pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/openwebbeans.git


The following commit(s) were added to refs/heads/master by this push:
     new 28c8b10  add unit test for correct behaviour of Destroy using Instance<T>
28c8b10 is described below

commit 28c8b1013fa9b156d0be4410b054dedb5845bbbb
Author: Mark Struberg <struberg@apache.org>
AuthorDate: Wed Sep 11 12:22:22 2019 +0200

    add unit test for correct behaviour of Destroy using Instance<T>
---
 .../test/instance/InstanceDestroyalTest.java       | 184 +++++++++++++++++++++
 1 file changed, 184 insertions(+)

diff --git a/webbeans-impl/src/test/java/org/apache/webbeans/test/instance/InstanceDestroyalTest.java
b/webbeans-impl/src/test/java/org/apache/webbeans/test/instance/InstanceDestroyalTest.java
new file mode 100644
index 0000000..26aa7bb
--- /dev/null
+++ b/webbeans-impl/src/test/java/org/apache/webbeans/test/instance/InstanceDestroyalTest.java
@@ -0,0 +1,184 @@
+/*
+ * 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.webbeans.test.instance;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.enterprise.context.ApplicationScoped;
+import javax.enterprise.context.Dependent;
+import javax.enterprise.context.RequestScoped;
+import javax.enterprise.inject.Any;
+import javax.enterprise.inject.Instance;
+import javax.enterprise.inject.Produces;
+import javax.enterprise.inject.TransientReference;
+import javax.inject.Inject;
+import javax.inject.Qualifier;
+
+import org.apache.webbeans.test.AbstractUnitTest;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Test how the destroyal of {@code Instance<T>} works.
+ */
+public class InstanceDestroyalTest extends AbstractUnitTest {
+
+    @Test
+    public void testDependentDestroy() {
+        startContainer(SysInfoHolder.class, SysInfoProducer.class, SysInfo.class, System.class);
+
+        SysInfoHolder sysInfoHolder = getInstance(SysInfoHolder.class);
+
+        // only trigger the resolving once!
+        List<SysInfo> sysInfos = sysInfoHolder.getSysInfos().stream()
+                .collect(Collectors.toList());
+
+        SysInfo transientSysInfo = sysInfos.stream()
+                .filter(sysInfo -> "transient".equals(sysInfo.getName()))
+                .findFirst().get();
+
+        // transient sysInfo got cleaned up immediately
+        Assert.assertTrue(transientSysInfo.amIClean());
+
+        SysInfo storedSysInfo = sysInfos.stream()
+                .filter(sysInfo -> "stored".equals(sysInfo.getName()))
+                .findFirst().get();
+
+        // transient sysInfo MUST NOT get cleaned up immediately
+        Assert.assertFalse(storedSysInfo.amIClean());
+
+        Assert.assertEquals(2, SysInfo.counter.get());
+
+        endContext(RequestScoped.class);
+
+        Assert.assertEquals(0, SysInfo.counter.get());
+    }
+
+    @Test
+    public void testDependentManualDestroy() {
+        startContainer(SysInfoHolder.class, SysInfoProducer.class, SysInfo.class, System.class);
+
+        SysInfoHolder sysInfoHolder = getInstance(SysInfoHolder.class);
+
+        // only trigger the resolving once!
+        List<SysInfo> sysInfos = sysInfoHolder.getSysInfos().stream()
+                .collect(Collectors.toList());
+
+        SysInfo storedSysInfo = sysInfos.stream()
+                .filter(sysInfo -> "stored".equals(sysInfo.getName()))
+                .findFirst().get();
+
+        // transient sysInfo MUST NOT get cleaned up immediately
+        Assert.assertFalse(storedSysInfo.amIClean());
+
+        Assert.assertEquals(2, SysInfo.counter.get());
+
+        sysInfoHolder.getSysInfos().destroy(storedSysInfo);
+
+        Assert.assertEquals(1, SysInfo.counter.get());
+
+        endContext(RequestScoped.class);
+
+        Assert.assertEquals(0, SysInfo.counter.get());
+    }
+
+
+    @RequestScoped
+    public static  class SysInfoHolder {
+
+
+        private @Inject @Any Instance<SysInfo> sysInfos;
+
+        public Instance<SysInfo> getSysInfos() {
+            return sysInfos;
+        }
+    }
+
+    @ApplicationScoped
+    public static class SysInfoProducer {
+
+        @Produces
+        @Dependent
+        public SysInfo createTransientSysInfo(@TransientReference @System("dummy") SysInfo
dummySysInfo) {
+            dummySysInfo.setName("transient");
+
+            return dummySysInfo;
+        }
+
+        @Produces
+        @Dependent
+        public SysInfo createStoredSysInfo(@System("dummy") SysInfo dummySysInfo) {
+            dummySysInfo.setName("stored");
+
+            return dummySysInfo;
+        }
+    }
+
+
+    @Qualifier
+    @Target({ElementType.METHOD, ElementType.FIELD, ElementType.TYPE, ElementType.PARAMETER})
+    @Retention(RetentionPolicy.RUNTIME)
+    public @interface System {
+        String value();
+    }
+
+    @Dependent
+    @System("dummy")
+    public static class SysInfo {
+
+        private static AtomicInteger counter = new AtomicInteger(0);
+
+        private boolean imClean = false;
+        private String name = "dummy";
+
+        @PostConstruct
+        public void countMeIn() {
+            counter.incrementAndGet();
+        }
+
+        public boolean amIClean() {
+            return imClean;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        public int getCounter() {
+            return counter.get();
+        }
+
+        @PreDestroy
+        public void cleanMeUp() {
+            counter.decrementAndGet();
+            imClean = true;
+        }
+
+    }
+}


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