Example unit tests for PI criterion translators
Change-Id: I6971d3d1e3428b8ad186d8bf29223a2ffd8d69d9
diff --git a/core/net/src/test/java/org/onosproject/net/pi/impl/PiCriterionTranslatorsTest.java b/core/net/src/test/java/org/onosproject/net/pi/impl/PiCriterionTranslatorsTest.java
new file mode 100644
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+++ b/core/net/src/test/java/org/onosproject/net/pi/impl/PiCriterionTranslatorsTest.java
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+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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 org.onosproject.net.pi.impl;
+
+import org.junit.Test;
+import org.onlab.packet.EthType;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onosproject.net.flow.criteria.Criteria;
+import org.onosproject.net.flow.criteria.EthCriterion;
+import org.onosproject.net.flow.criteria.EthTypeCriterion;
+import org.onosproject.net.flow.criteria.IPCriterion;
+import org.onosproject.net.pi.runtime.PiExactFieldMatch;
+import org.onosproject.net.pi.runtime.PiHeaderFieldId;
+import org.onosproject.net.pi.runtime.PiLpmFieldMatch;
+import org.onosproject.net.pi.runtime.PiTernaryFieldMatch;
+
+import java.util.Random;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.onosproject.net.pi.impl.CriterionTranslatorHelper.translateCriterion;
+import static org.onosproject.net.pi.model.PiMatchType.*;
+
+/**
+ * Tests for CriterionTranslators.
+ */
+public class PiCriterionTranslatorsTest {
+
+ private Random random = new Random();
+ private final PiHeaderFieldId fieldId = PiHeaderFieldId.of("foo", "bar");
+
+ @Test
+ public void testEthCriterion() throws Exception {
+ MacAddress value1 = MacAddress.valueOf(random.nextLong());
+ MacAddress value2 = MacAddress.valueOf(random.nextLong());
+ MacAddress mask = MacAddress.valueOf(random.nextLong());
+ int bitWidth = value1.toBytes().length * 8;
+
+ EthCriterion criterion = (EthCriterion) Criteria.matchEthDst(value1);
+ PiExactFieldMatch exactMatch = (PiExactFieldMatch) translateCriterion(criterion, fieldId, EXACT, bitWidth);
+
+ EthCriterion maskedCriterion = (EthCriterion) Criteria.matchEthDstMasked(value2, mask);
+ PiTernaryFieldMatch ternaryMatch = (PiTernaryFieldMatch) translateCriterion(maskedCriterion, fieldId, TERNARY,
+ bitWidth);
+
+ assertThat(exactMatch.value().asArray(), is(criterion.mac().toBytes()));
+ assertThat(ternaryMatch.value().asArray(), is(maskedCriterion.mac().toBytes()));
+ assertThat(ternaryMatch.mask().asArray(), is(maskedCriterion.mask().toBytes()));
+ }
+
+ @Test
+ public void testEthTypeCriterion() throws Exception {
+ EthType ethType = new EthType(random.nextInt());
+ int bitWidth = 16;
+
+ EthTypeCriterion criterion = (EthTypeCriterion) Criteria.matchEthType(ethType);
+
+ PiExactFieldMatch exactMatch = (PiExactFieldMatch) translateCriterion(criterion, fieldId, EXACT, bitWidth);
+
+ assertThat(exactMatch.value().asReadOnlyBuffer().getShort(), is(criterion.ethType().toShort()));
+ }
+
+ @Test
+ public void testIpCriterion() throws Exception {
+ IpPrefix prefix1 = IpPrefix.valueOf(random.nextInt(), random.nextInt(32));
+ int bitWidth = prefix1.address().toOctets().length * 8;
+
+ IPCriterion criterion = (IPCriterion) Criteria.matchIPDst(prefix1);
+
+ PiLpmFieldMatch lpmMatch = (PiLpmFieldMatch) translateCriterion(criterion, fieldId, LPM, bitWidth);
+
+ assertThat(lpmMatch.value().asArray(), is(criterion.ip().address().toOctets()));
+ assertThat(lpmMatch.prefixLength(), is(criterion.ip().prefixLength()));
+ }
+
+
+}