Add (failing) unit test to verify that a failed reconfig with ...

unchanged bundles does not affect the already installed bundles.

1 files changed, 18 insertions, 0 deletions

diff --git a/container-core/src/test/java/com/yahoo/container/core/config/ApplicationBundleLoaderTest.java b/container-core/src/test/java/com/yahoo/container/core/config/ApplicationBundleLoaderTest.java
index 54ef2d41ac6..2236a1b250a 100644
--- a/container-core/src/test/java/com/yahoo/container/core/config/ApplicationBundleLoaderTest.java
+++ b/container-core/src/test/java/com/yahoo/container/core/config/ApplicationBundleLoaderTest.java
@@ -116,4 +116,22 @@ public class ApplicationBundleLoaderTest {
         assertEquals(BUNDLE_1_REF, bundleLoader.getActiveFileReferences().get(0));
     }
 
+    @Test
+    void bundles_are_unaffected_by_failed_reconfig_with_unchanged_bundles() {
+        bundleLoader.useBundles(List.of(BUNDLE_1_REF));
+        Set<Bundle> obsoleteBundles = bundleLoader.useBundles(List.of(BUNDLE_1_REF));
+        assertTrue(obsoleteBundles.isEmpty());
+
+        // Revert to the previous generation, as will be done upon a failed reconfig.
+        Collection<Bundle> bundlesToUninstall = bundleLoader.revertToPreviousGeneration();
+
+        assertEquals(0, bundlesToUninstall.size());
+        assertEquals(1, osgi.getCurrentBundles().size());
+
+        bundleLoader.useBundles(List.of(BUNDLE_1_REF));
+        obsoleteBundles = bundleLoader.useBundles(List.of(BUNDLE_1_REF));
+        assertTrue(obsoleteBundles.isEmpty());
+        assertEquals(1, osgi.getCurrentBundles().size());
+    }
+
 }