Replace interface mapping context for reused vxlan tunnel

This can occur when vxlan interface is deleted and then added,
but read between those operations cached zombie vxlan interface
in the interface mapping context

Change-Id: I74fd5126bbcd0df5b5f78725c51030584effe9e4
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VxlanCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VxlanCustomizerTest.java
index 1ddb48089..f44057f7e 100644
--- a/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VxlanCustomizerTest.java
+++ b/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VxlanCustomizerTest.java
@@ -18,6 +18,7 @@ package io.fd.honeycomb.v3po.translate.v3po.interfaces;
 
 import static io.fd.honeycomb.v3po.translate.v3po.ContextTestUtils.getMapping;
 import static io.fd.honeycomb.v3po.translate.v3po.ContextTestUtils.getMappingIid;
+import static java.util.Collections.singletonList;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
@@ -30,6 +31,7 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 import static org.mockito.MockitoAnnotations.initMocks;
 
+import com.google.common.base.Optional;
 import com.google.common.net.InetAddresses;
 import io.fd.honeycomb.v3po.translate.MappingContext;
 import io.fd.honeycomb.v3po.translate.ModificationCache;
@@ -44,6 +46,9 @@ import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.Mappings;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.MappingsBuilder;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.Mapping;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
@@ -151,12 +156,33 @@ public class VxlanCustomizerTest {
 
         whenVxlanAddDelTunnelThenSuccess();
 
+        doReturn(Optional.absent())
+            .when(mappingContext).read(getMappingIid(ifaceName, "test-instance").firstIdentifierOf(Mappings.class));
+
         customizer.writeCurrentAttributes(id, vxlan, writeContext);
         verifyVxlanAddWasInvoked(vxlan);
         verify(mappingContext).put(eq(getMappingIid(ifaceName, "test-instance")), eq(getMapping(ifaceName, 0).get()));
     }
 
     @Test
+    public void testWriteCurrentAttributesMappingAlreadyPresent() throws Exception {
+        final Vxlan vxlan = generateVxlan();
+
+        whenVxlanAddDelTunnelThenSuccess();
+        final Optional<Mapping> ifcMapping = getMapping(ifaceName, 0);
+
+        doReturn(Optional.of(new MappingsBuilder().setMapping(singletonList(ifcMapping.get())).build()))
+            .when(mappingContext).read(getMappingIid(ifaceName, "test-instance").firstIdentifierOf(Mappings.class));
+
+        customizer.writeCurrentAttributes(id, vxlan, writeContext);
+        verifyVxlanAddWasInvoked(vxlan);
+
+        // Remove the first mapping before putting in the new one
+        verify(mappingContext).delete(eq(getMappingIid(ifaceName, "test-instance")));
+        verify(mappingContext).put(eq(getMappingIid(ifaceName, "test-instance")), eq(ifcMapping.get()));
+    }
+
+    @Test
     public void testWriteCurrentAttributesFailed() throws Exception {
         final Vxlan vxlan = generateVxlan();