1 files changed, 131 insertions, 0 deletions
diff --git a/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/write/registry/FlatWriterRegistryBuilderTest.java b/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/write/registry/FlatWriterRegistryBuilderTest.java
new file mode 100644
index 000000000..79590a5a0
--- /dev/null
+++ b/infra/translate-utils/src/test/java/io/fd/honeycomb/translate/util/write/registry/FlatWriterRegistryBuilderTest.java
@@ -0,0 +1,131 @@
+package io.fd.honeycomb.translate.util.write.registry;
+
+import static org.hamcrest.CoreMatchers.anyOf;
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.hasItems;
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import io.fd.honeycomb.translate.util.DataObjects;
+import io.fd.honeycomb.translate.write.Writer;
+import java.util.ArrayList;
+import java.util.List;
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class FlatWriterRegistryBuilderTest {
+
+
+    @Test
+    public void testRelationsBefore() throws Exception {
+        final FlatWriterRegistryBuilder flatWriterRegistryBuilder = new FlatWriterRegistryBuilder();
+        /*
+            1   ->  2   ->  3
+                        ->  4
+         */
+        flatWriterRegistryBuilder.add(mockWriter(DataObjects.DataObject3.class));
+        flatWriterRegistryBuilder.add(mockWriter(DataObjects.DataObject4.class));
+        flatWriterRegistryBuilder.addBefore(mockWriter(DataObjects.DataObject2.class),
+                Lists.newArrayList(DataObjects.DataObject3.IID, DataObjects.DataObject4.IID));
+        flatWriterRegistryBuilder.addBefore(mockWriter(DataObjects.DataObject1.class), DataObjects.DataObject2.IID);
+        final ImmutableMap<InstanceIdentifier<?>, Writer<?>> mappedWriters =
+                flatWriterRegistryBuilder.getMappedHandlers();
+
+        final ArrayList<InstanceIdentifier<?>> typesInList = Lists.newArrayList(mappedWriters.keySet());
+        assertEquals(DataObjects.DataObject1.IID, typesInList.get(0));
+        assertEquals(DataObjects.DataObject2.IID, typesInList.get(1));
+        assertThat(typesInList.get(2), anyOf(equalTo(DataObjects.DataObject3.IID), equalTo(DataObjects.DataObject4.IID)));
+        assertThat(typesInList.get(3), anyOf(equalTo(DataObjects.DataObject3.IID), equalTo(DataObjects.DataObject4.IID)));
+    }
+
+    @Test
+    public void testRelationsAfter() throws Exception {
+        final FlatWriterRegistryBuilder flatWriterRegistryBuilder = new FlatWriterRegistryBuilder();
+        /*
+            1   ->  2   ->  3
+                        ->  4
+         */
+        flatWriterRegistryBuilder.add(mockWriter(DataObjects.DataObject1.class));
+        flatWriterRegistryBuilder.addAfter(mockWriter(DataObjects.DataObject2.class), DataObjects.DataObject1.IID);
+        flatWriterRegistryBuilder.addAfter(mockWriter(DataObjects.DataObject3.class), DataObjects.DataObject2.IID);
+        flatWriterRegistryBuilder.addAfter(mockWriter(DataObjects.DataObject4.class), DataObjects.DataObject2.IID);
+        final ImmutableMap<InstanceIdentifier<?>, Writer<?>> mappedWriters =
+                flatWriterRegistryBuilder.getMappedHandlers();
+
+        final List<InstanceIdentifier<?>> typesInList = Lists.newArrayList(mappedWriters.keySet());
+        assertEquals(DataObjects.DataObject1.IID, typesInList.get(0));
+        assertEquals(DataObjects.DataObject2.IID, typesInList.get(1));
+        assertThat(typesInList.get(2), anyOf(equalTo(DataObjects.DataObject3.IID), equalTo(DataObjects.DataObject4.IID)));
+        assertThat(typesInList.get(3), anyOf(equalTo(DataObjects.DataObject3.IID), equalTo(DataObjects.DataObject4.IID)));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testRelationsLoop() throws Exception {
+        final FlatWriterRegistryBuilder flatWriterRegistryBuilder = new FlatWriterRegistryBuilder();
+        /*
+            1   ->  2   ->  1
+         */
+        flatWriterRegistryBuilder.add(mockWriter(DataObjects.DataObject1.class));
+        flatWriterRegistryBuilder.addAfter(mockWriter(DataObjects.DataObject2.class), DataObjects.DataObject1.IID);
+        flatWriterRegistryBuilder.addAfter(mockWriter(DataObjects.DataObject1.class), DataObjects.DataObject2.IID);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testAddWriterTwice() throws Exception {
+        final FlatWriterRegistryBuilder flatWriterRegistryBuilder = new FlatWriterRegistryBuilder();
+        flatWriterRegistryBuilder.add(mockWriter(DataObjects.DataObject1.class));
+        flatWriterRegistryBuilder.add(mockWriter(DataObjects.DataObject1.class));
+    }
+
+    @Test
+    public void testAddSubtreeWriter() throws Exception {
+        final FlatWriterRegistryBuilder flatWriterRegistryBuilder = new FlatWriterRegistryBuilder();
+        flatWriterRegistryBuilder.subtreeAdd(
+                Sets.newHashSet(DataObjects.DataObject4.DataObject41.IID,
+                                DataObjects.DataObject4.DataObject41.IID),
+                mockWriter(DataObjects.DataObject4.class));
+        final ImmutableMap<InstanceIdentifier<?>, Writer<?>> mappedWriters =
+                flatWriterRegistryBuilder.getMappedHandlers();
+        final ArrayList<InstanceIdentifier<?>> typesInList = Lists.newArrayList(mappedWriters.keySet());
+
+        assertEquals(DataObjects.DataObject4.IID, typesInList.get(0));
+        assertEquals(1, typesInList.size());
+    }
+
+    @Test
+    public void testCreateSubtreeWriter() throws Exception {
+        final Writer<?> forWriter = SubtreeWriter.createForWriter(Sets.newHashSet(
+                DataObjects.DataObject4.DataObject41.IID,
+                DataObjects.DataObject4.DataObject41.DataObject411.IID,
+                DataObjects.DataObject4.DataObject42.IID),
+                mockWriter(DataObjects.DataObject4.class));
+        assertThat(forWriter, instanceOf(SubtreeWriter.class));
+        assertThat(((SubtreeWriter<?>) forWriter).getHandledChildTypes().size(), is(3));
+        assertThat(((SubtreeWriter<?>) forWriter).getHandledChildTypes(), hasItems(DataObjects.DataObject4.DataObject41.IID,
+                DataObjects.DataObject4.DataObject42.IID, DataObjects.DataObject4.DataObject41.DataObject411.IID));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testCreateInvalidSubtreeWriter() throws Exception {
+        SubtreeWriter.createForWriter(Sets.newHashSet(
+                InstanceIdentifier.create(DataObjects.DataObject3.class).child(DataObjects.DataObject3.DataObject31.class)),
+                mockWriter(DataObjects.DataObject4.class));
+    }
+
+    @SuppressWarnings("unchecked")
+    private Writer<? extends DataObject> mockWriter(final Class<? extends DataObject> doClass)
+            throws NoSuchFieldException, IllegalAccessException {
+        final Writer mock = mock(Writer.class);
+        when(mock.getManagedDataObjectType()).thenReturn((InstanceIdentifier<?>) doClass.getDeclaredField("IID").get(null));
+        return mock;
+    }
+
+}
+\ No newline at end of file