1 files changed, 173 insertions, 0 deletions
diff --git a/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/read/cache/DumpCacheManagerTest.java b/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/read/cache/DumpCacheManagerTest.java
new file mode 100644
index 000000000..3639439ce
--- /dev/null
+++ b/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/read/cache/DumpCacheManagerTest.java
@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed 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 io.fd.honeycomb.translate.util.read.cache;
+
+import static io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor.NO_PARAMS;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.google.common.base.Optional;
+import io.fd.honeycomb.translate.ModificationCache;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class DumpCacheManagerTest {
+
+    private interface DataObj extends DataObject {}
+
+    @Mock
+    private EntityDumpExecutor<IpDetailsReplyDump, Void> executor;
+
+    private InstanceIdentifier<DataObj> identifier;
+
+    private DumpCacheManager<IpDetailsReplyDump, Void> managerPositive;
+    private DumpCacheManager<IpDetailsReplyDump, Void> managerPositiveWithPostProcessing;
+    private DumpCacheManager<IpDetailsReplyDump, Void> managerNegative;
+    private ModificationCache cache;
+    private CacheKeyFactory cacheKeyFactory;
+
+    @Before
+    public void init() {
+        MockitoAnnotations.initMocks(this);
+        managerPositive =
+                new DumpCacheManager.DumpCacheManagerBuilder<IpDetailsReplyDump, Void>()
+                        .withExecutor(executor)
+                        .build();
+
+        managerPositiveWithPostProcessing =
+                new DumpCacheManager.DumpCacheManagerBuilder<IpDetailsReplyDump, Void>()
+                        .withExecutor(executor)
+                        .withPostProcessingFunction(createPostProcessor())
+                        .build();
+
+        managerNegative =
+                new DumpCacheManager.DumpCacheManagerBuilder<IpDetailsReplyDump, Void>()
+                        .withExecutor(executor)
+                        .build();
+
+        cache = new ModificationCache();
+        identifier = InstanceIdentifier.create(DataObj.class);
+        //manager uses this implementation by default, so it can be used to test behaviour
+        cacheKeyFactory = new IdentifierCacheKeyFactory();
+
+    }
+
+    /**
+     * This test verify full dump-caching cycle
+     */
+    @Test
+    public void testCaching() throws ReadFailedException {
+        final IpDetailsReplyDump stage1Data = new IpDetailsReplyDump();
+        final String key = cacheKeyFactory.createKey(identifier);
+
+
+        // executor cant return null data
+        when(executor.executeDump(identifier, NO_PARAMS)).thenReturn(new IpDetailsReplyDump());
+
+        final Optional<IpDetailsReplyDump> stage1Optional = managerNegative.getDump(identifier, cache, NO_PARAMS);
+
+        // this is first call so instance should be from executor
+        // and it should be cached after calling executor
+        assertEquals(true, stage1Optional.isPresent());
+        assertEquals(stage1Data, stage1Optional.get());
+        assertEquals(true, cache.containsKey(key));
+        assertEquals(stage1Data, cache.get(key));
+
+        //rebind executor with other data
+        IpDetailsReplyDump stage2LoadedDump = new IpDetailsReplyDump();
+        when(executor.executeDump(identifier, NO_PARAMS)).thenReturn(stage2LoadedDump);
+
+        final Optional<IpDetailsReplyDump> stage2Optional = managerPositive.getDump(identifier, cache, NO_PARAMS);
+
+        assertEquals(true, stage2Optional.isPresent());
+        assertEquals(stage2LoadedDump, stage2Optional.get());
+
+        //rebind executor with other data
+        IpDetailsReplyDump stage3LoadedDump = new IpDetailsReplyDump();
+        when(executor.executeDump(identifier, NO_PARAMS)).thenReturn(stage3LoadedDump);
+
+        final Optional<IpDetailsReplyDump> stage3Optional = managerPositive.getDump(identifier, cache, NO_PARAMS);
+        assertEquals(true, stage3Optional.isPresent());
+        //check if it returns instance cached from previous stage
+        assertEquals(stage2LoadedDump, stage3Optional.get());
+    }
+
+    @Test
+    public void testPostprocessing() throws ReadFailedException {
+        IpDetailsReplyDump dump = new IpDetailsReplyDump();
+        IpDetails details = new IpDetails();
+        details.swIfIndex = 2;
+        dump.ipDetails.add(details);
+
+        when(executor.executeDump(identifier, null)).thenReturn(dump);
+
+        Optional<IpDetailsReplyDump> optionalDump =
+                managerPositiveWithPostProcessing.getDump(identifier, cache, NO_PARAMS);
+
+        assertEquals(true, optionalDump.isPresent());
+        assertEquals(1, optionalDump.get().ipDetails.size());
+        assertEquals(7, optionalDump.get().ipDetails.get(0).swIfIndex);
+    }
+
+    private EntityDumpPostProcessingFunction<IpDetailsReplyDump> createPostProcessor() {
+        return ipDetailsReplyDump -> {
+            IpDetailsReplyDump modified = new IpDetailsReplyDump();
+
+            for (IpDetails detail : ipDetailsReplyDump.ipDetails) {
+                IpDetails modifiedDetail = new IpDetails();
+                modifiedDetail.swIfIndex = detail.swIfIndex + 5;
+
+                modified.ipDetails.add(modifiedDetail);
+            }
+
+            return modified;
+        };
+    }
+
+    private static final class IpDetailsReplyDump {
+        List<IpDetails> ipDetails = new ArrayList<>();
+
+        @Override
+        public boolean equals(final Object o) {
+            if (this == o) {
+                return true;
+            }
+            if (o == null || getClass() != o.getClass()) {
+                return false;
+            }
+            final IpDetailsReplyDump that = (IpDetailsReplyDump) o;
+            return Objects.equals(ipDetails, that.ipDetails);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(ipDetails);
+        }
+    }
+
+    private static final class IpDetails {
+        int swIfIndex;
+    }
+}
+\ No newline at end of file