Ensure that obsolete bundles are uninstalled

.. even when there are no components to deconstruct.
This happens for e.g. pure document-api containers when the
user bundle(s) only contain searchers.

2 files changed, 21 insertions, 3 deletions

diff --git a/container-disc/src/main/java/com/yahoo/container/jdisc/component/Deconstructor.java b/container-disc/src/main/java/com/yahoo/container/jdisc/component/Deconstructor.java
index 3a153ec3d8a..6a46e331762 100644
--- a/container-disc/src/main/java/com/yahoo/container/jdisc/component/Deconstructor.java
+++ b/container-disc/src/main/java/com/yahoo/container/jdisc/component/Deconstructor.java
@@ -61,7 +61,7 @@ public class Deconstructor implements ComponentDeconstructor {
                 ((SharedResource) component).release();
             }
         }
-        if (! destructibleComponents.isEmpty())
+        if (! destructibleComponents.isEmpty() || ! bundles.isEmpty())
             executor.schedule(new DestructComponentTask(destructibleComponents, bundles),
                               delay.getSeconds(), TimeUnit.SECONDS);
     }
diff --git a/container-disc/src/test/java/com/yahoo/container/jdisc/component/DeconstructorTest.java b/container-disc/src/test/java/com/yahoo/container/jdisc/component/DeconstructorTest.java
index 345f75f7eb6..dfd3bc36645 100644
--- a/container-disc/src/test/java/com/yahoo/container/jdisc/component/DeconstructorTest.java
+++ b/container-disc/src/test/java/com/yahoo/container/jdisc/component/DeconstructorTest.java
@@ -2,14 +2,13 @@
 package com.yahoo.container.jdisc.component;
 
 import com.yahoo.component.AbstractComponent;
+import com.yahoo.container.bundle.MockBundle;
 import com.yahoo.container.di.componentgraph.Provider;
 import com.yahoo.jdisc.ResourceReference;
 import com.yahoo.jdisc.SharedResource;
 import org.junit.Before;
 import org.junit.Test;
 
-import java.util.Collections;
-
 import static java.util.Collections.emptyList;
 import static java.util.Collections.singleton;
 import static org.junit.Assert.assertTrue;
@@ -51,6 +50,18 @@ public class DeconstructorTest {
         assertTrue(sharedResource.released);
     }
 
+    @Test
+    public void bundles_are_uninstalled() throws InterruptedException {
+        var bundle = new UninstallableMockBundle();
+        // Done by executor, so it takes some time even with a 0 delay.
+        deconstructor.deconstruct(emptyList(), singleton(bundle));
+        int cnt = 0;
+        while (! bundle.uninstalled && (cnt++ < 12000)) {
+            Thread.sleep(10);
+        }
+        assertTrue(bundle.uninstalled);
+    }
+
     private static class TestAbstractComponent extends AbstractComponent {
         boolean destructed = false;
         @Override public void deconstruct() { destructed = true; }
@@ -69,4 +80,11 @@ public class DeconstructorTest {
         @Override public ResourceReference refer() { return null; }
         @Override public void release() { released = true; }
     }
+
+    private static class UninstallableMockBundle extends MockBundle {
+        boolean uninstalled = false;
+        @Override public void uninstall() {
+            uninstalled = true;
+        }
+    }
 }