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diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/read/span/MirroredInterfacesCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/read/span/MirroredInterfacesCustomizerTest.java
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+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/read/span/MirroredInterfacesCustomizerTest.java
@@ -0,0 +1,128 @@
+/*
+ * 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.hc2vpp.v3po.read.span;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.containsInAnyOrder;
+import static org.hamcrest.Matchers.hasSize;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+import io.fd.hc2vpp.common.test.read.ReaderCustomizerTest;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.jvpp.core.dto.SwInterfaceSpanDetails;
+import io.fd.jvpp.core.dto.SwInterfaceSpanDetailsReplyDump;
+import java.util.Arrays;
+import org.junit.Test;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.SpanState;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.Span;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.SpanBuilder;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.span.attributes.MirroredInterfaces;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.span.attributes.MirroredInterfacesBuilder;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.span.attributes.mirrored.interfaces.MirroredInterface;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.span.attributes.mirrored.interfaces.MirroredInterfaceBuilder;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.span.attributes.mirrored.interfaces.MirroredInterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.Interfaces;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+
+public class MirroredInterfacesCustomizerTest
+        extends ReaderCustomizerTest<MirroredInterfaces, MirroredInterfacesBuilder> {
+
+    private static final String IFACE_NAME = "iface";
+
+    private static final String SRC_IFACE_NAME_1 = "src-one";
+    private static final String SRC_IFACE_NAME_2 = "src-two";
+    private static final String SRC_IFACE_NAME_3 = "src-three";
+
+    private static final int IFACE_INDEX = 3;
+
+    private NamingContext interfaceContext;
+    private InstanceIdentifier<MirroredInterfaces> validId;
+    private MirroredInterface validData;
+
+    public MirroredInterfacesCustomizerTest() {
+        super(MirroredInterfaces.class, SpanBuilder.class);
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        interfaceContext = new NamingContext("iface", "iface-context");
+        defineMapping(mappingContext, IFACE_NAME, IFACE_INDEX, "iface-context");
+        defineMapping(mappingContext, SRC_IFACE_NAME_1, 1, "iface-context");
+        defineMapping(mappingContext, SRC_IFACE_NAME_2, 2, "iface-context");
+        defineMapping(mappingContext, SRC_IFACE_NAME_3, 3, "iface-context");
+
+        validId = InstanceIdentifier.create(Interfaces.class).child(Interface.class, new InterfaceKey(IFACE_NAME))
+                .augmentation(VppInterfaceAugmentation.class).child(Span.class)
+                .child(MirroredInterfaces.class);
+
+        SwInterfaceSpanDetailsReplyDump dump = new SwInterfaceSpanDetailsReplyDump();
+        SwInterfaceSpanDetails detail1 = new SwInterfaceSpanDetails();
+
+        detail1.swIfIndexTo = IFACE_INDEX;
+        detail1.swIfIndexFrom = 1;
+        detail1.state = 1;
+
+        SwInterfaceSpanDetails detail2 = new SwInterfaceSpanDetails();
+
+        detail2.swIfIndexTo = IFACE_INDEX;
+        detail2.swIfIndexFrom = 2;
+        detail2.state = 3;
+
+        SwInterfaceSpanDetails detail3 = new SwInterfaceSpanDetails();
+
+        detail3.swIfIndexTo = IFACE_INDEX;
+        detail3.swIfIndexFrom = 3;
+        detail3.state = 0;
+
+        dump.swInterfaceSpanDetails = Arrays.asList(detail1, detail2, detail3);
+
+        when(api.swInterfaceSpanDump(any())).thenReturn(future(dump));
+    }
+
+    @Test
+    public void readCurrentAttributes() throws Exception {
+        MirroredInterfacesBuilder builder = new MirroredInterfacesBuilder();
+        getCustomizer().readCurrentAttributes(validId, builder, ctx);
+
+        final MirroredInterfaces data = builder.build();
+        // 1,2 should be returned,0 should be filtered out because of disabled state
+
+        assertThat(data.getMirroredInterface(), hasSize(2));
+        assertThat(data.getMirroredInterface(), containsInAnyOrder(
+                mirroredInterface(SRC_IFACE_NAME_1, SpanState.Receive),
+                mirroredInterface(SRC_IFACE_NAME_2, SpanState.Both)));
+    }
+
+    private MirroredInterface mirroredInterface(final String ifaceName, final SpanState state) {
+        return new MirroredInterfaceBuilder()
+                .setIfaceRef(ifaceName)
+                .withKey(new MirroredInterfaceKey(ifaceName))
+                .setState(state)
+                .build();
+    }
+
+    @Override
+    protected ReaderCustomizer<MirroredInterfaces, MirroredInterfacesBuilder> initCustomizer() {
+        return new InterfaceMirroredInterfacesCustomizer(api, interfaceContext);
+    }
+}