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authorMarek Gradzki <mgradzki@cisco.com>2017-08-24 13:08:49 +0200
committerMarek Gradzki <mgradzki@cisco.com>2017-09-08 13:00:47 +0200
commitf100b1a7d1689194f08bb22e1b849c4d840dadd0 (patch)
treeb06370518b7665bae23540ee6a320dd7f4c12090 /vpp-common
parent0db62436d36cb05b6402a7b043db9ea9f1977f58 (diff)
NamingContext.getNameIfPresent should not fail if name is missing
Also makes InterfaceChangeNotificationProducer notification translation code more defensive. The issue was revealed by HC2VPP-216 and HC2VPP-220. Change-Id: I20792a51743ae621d86c1b9066d680bc2303ed82 Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'vpp-common')
-rw-r--r--vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java20
-rw-r--r--vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/NamingContextTest.java38
2 files changed, 53 insertions, 5 deletions
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java
index 5e0eea71b..8965de616 100644
--- a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java
@@ -22,7 +22,9 @@ import static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.util.RWUtils;
+import java.util.List;
import java.util.stream.Collector;
+import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContextKey;
@@ -92,13 +94,21 @@ public final class NamingContext implements AutoCloseable {
public synchronized Optional<String> getNameIfPresent(final int index,
@Nonnull final MappingContext mappingContext) {
final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class));
+ if (!read.isPresent()) {
+ return Optional.absent();
+ }
- return read.isPresent()
- ? Optional.of(read.get().getMapping().stream()
+ final List<Mapping> mappings = read.get().getMapping().stream()
.filter(mapping -> mapping.getIndex().equals(index))
- .collect(SINGLE_ITEM_COLLECTOR)
- .getName())
- : Optional.absent();
+ .collect(Collectors.toList());
+
+ if (mappings.size() > 1) {
+ throw new IllegalStateException("Multiple mappings defined with index=" + index + ": " + mappings);
+ } else if (mappings.size() == 1) {
+ return Optional.of(mappings.get(0).getName());
+ } else {
+ return Optional.absent();
+ }
}
/**
diff --git a/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/NamingContextTest.java b/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/NamingContextTest.java
index 4e66315e1..b9c0f2c0f 100644
--- a/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/NamingContextTest.java
+++ b/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/NamingContextTest.java
@@ -17,11 +17,14 @@
package io.fd.hc2vpp.common.translate.util;
import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import com.google.common.base.Optional;
+import com.google.common.collect.Lists;
import io.fd.honeycomb.test.tools.HoneycombTestRunner;
import io.fd.honeycomb.test.tools.annotations.InjectTestData;
import io.fd.honeycomb.test.tools.annotations.InjectablesProcessor;
@@ -40,6 +43,7 @@ import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.cont
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContextKey;
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.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.MappingBuilder;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.MappingKey;
@@ -104,6 +108,40 @@ public class NamingContextTest implements InjectablesProcessor {
.build());
}
+ @Test(expected = IllegalArgumentException.class)
+ public void getAndThrow() {
+ when(mappingContext.read(any())).thenReturn(Optional.absent());
+ namingContext.getIndex("non-existing", mappingContext);
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void getNameIfPresentFails() {
+ final Mapping mapping1 = mock(Mapping.class);
+ final Mapping mapping2 = mock(Mapping.class);
+ final Mappings mappings = new MappingsBuilder().setMapping(Lists.newArrayList(mapping1, mapping2)).build();
+ when(mappingContext.read(namingContextIid.child(Mappings.class))).thenReturn(Optional.of(mappings));
+
+ namingContext.getNameIfPresent(0, mappingContext);
+ }
+
+ @Test
+ public void getNameIfPresentReturnsAbsent() {
+ final Mapping mapping1 = new MappingBuilder().setIndex(1).setName(NAME_1).build();
+ final Mappings mappings = new MappingsBuilder().setMapping(Lists.newArrayList(mapping1)).build();
+ when(mappingContext.read(namingContextIid.child(Mappings.class))).thenReturn(Optional.of(mappings));
+
+ assertEquals(Optional.absent(), namingContext.getNameIfPresent(0, mappingContext));
+ }
+
+ @Test
+ public void getNameIfPresent() {
+ final Mapping mapping1 = new MappingBuilder().setIndex(1).setName(NAME_1).build();
+ final Mappings mappings = new MappingsBuilder().setMapping(Lists.newArrayList(mapping1)).build();
+ when(mappingContext.read(namingContextIid.child(Mappings.class))).thenReturn(Optional.of(mappings));
+
+ assertEquals(Optional.of(NAME_1), namingContext.getNameIfPresent(1, mappingContext));
+ }
+
private Mapping filterForParent(final String parent) {
return mappings.getMapping().stream()
.filter(mapping -> mapping.getName().equals(parent))