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/*
* Copyright 2015 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.intent.impl.compiler;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onosproject.TestApplicationId;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.core.IdGenerator;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DefaultLink;
import org.onosproject.net.DefaultPath;
import org.onosproject.net.Link;
import org.onosproject.net.flow.DefaultTrafficSelector;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.FlowRule;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.intent.FlowRuleIntent;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentExtensionService;
import org.onosproject.net.intent.MockIdGenerator;
import org.onosproject.net.intent.PathIntent;
import org.onosproject.net.provider.ProviderId;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasSize;
import static org.hamcrest.Matchers.is;
import static org.onosproject.net.DefaultEdgeLink.createEdgeLink;
import static org.onosproject.net.Link.Type.DIRECT;
import static org.onosproject.net.NetTestTools.APP_ID;
import static org.onosproject.net.NetTestTools.PID;
import static org.onosproject.net.NetTestTools.connectPoint;
/**
* Unit tests for PathIntentCompiler.
*/
public class PathIntentCompilerTest {
private CoreService coreService;
private IntentExtensionService intentExtensionService;
private IdGenerator idGenerator = new MockIdGenerator();
private PathIntentCompiler sut;
private final TrafficSelector selector = DefaultTrafficSelector.builder().build();
private final TrafficTreatment treatment = DefaultTrafficTreatment.builder().build();
private final ApplicationId appId = new TestApplicationId("test");
private final ProviderId pid = new ProviderId("of", "test");
private final ConnectPoint d1p1 = connectPoint("s1", 0);
private final ConnectPoint d2p0 = connectPoint("s2", 0);
private final ConnectPoint d2p1 = connectPoint("s2", 1);
private final ConnectPoint d3p1 = connectPoint("s3", 1);
private final ConnectPoint d3p0 = connectPoint("s3", 10);
private final ConnectPoint d1p0 = connectPoint("s1", 10);
private static final int PRIORITY = 555;
private final List<Link> links = Arrays.asList(
createEdgeLink(d1p0, true),
new DefaultLink(PID, d1p1, d2p0, DIRECT),
new DefaultLink(PID, d2p1, d3p1, DIRECT),
createEdgeLink(d3p0, false)
);
private final int hops = links.size() - 1;
private PathIntent intent;
/**
* Configures objects used in all the test cases.
*/
@Before
public void setUp() {
sut = new PathIntentCompiler();
coreService = createMock(CoreService.class);
expect(coreService.registerApplication("org.onosproject.net.intent"))
.andReturn(appId);
sut.coreService = coreService;
Intent.bindIdGenerator(idGenerator);
intent = PathIntent.builder()
.appId(APP_ID)
.selector(selector)
.treatment(treatment)
.priority(PRIORITY)
.path(new DefaultPath(pid, links, hops))
.build();
intentExtensionService = createMock(IntentExtensionService.class);
intentExtensionService.registerCompiler(PathIntent.class, sut);
intentExtensionService.unregisterCompiler(PathIntent.class);
sut.intentManager = intentExtensionService;
replay(coreService, intentExtensionService);
}
/**
* Tears down objects used in all the test cases.
*/
@After
public void tearDown() {
Intent.unbindIdGenerator(idGenerator);
}
/**
* Tests the compilation behavior of the path intent compiler.
*/
@Test
public void testCompile() {
sut.activate();
List<Intent> compiled = sut.compile(intent, Collections.emptyList(), Collections.emptySet());
assertThat(compiled, hasSize(1));
Collection<FlowRule> rules = ((FlowRuleIntent) compiled.get(0)).flowRules();
FlowRule rule1 = rules.stream()
.filter(x -> x.deviceId().equals(d1p0.deviceId()))
.findFirst()
.get();
assertThat(rule1.deviceId(), is(d1p0.deviceId()));
assertThat(rule1.selector(),
is(DefaultTrafficSelector.builder(selector).matchInPort(d1p0.port()).build()));
assertThat(rule1.treatment(),
is(DefaultTrafficTreatment.builder().setOutput(d1p1.port()).build()));
assertThat(rule1.priority(), is(intent.priority()));
FlowRule rule2 = rules.stream()
.filter(x -> x.deviceId().equals(d2p0.deviceId()))
.findFirst()
.get();
assertThat(rule2.deviceId(), is(d2p0.deviceId()));
assertThat(rule2.selector(),
is(DefaultTrafficSelector.builder(selector).matchInPort(d2p0.port()).build()));
assertThat(rule2.treatment(),
is(DefaultTrafficTreatment.builder().setOutput(d2p1.port()).build()));
assertThat(rule2.priority(), is(intent.priority()));
FlowRule rule3 = rules.stream()
.filter(x -> x.deviceId().equals(d3p0.deviceId()))
.findFirst()
.get();
assertThat(rule3.deviceId(), is(d3p1.deviceId()));
assertThat(rule3.selector(),
is(DefaultTrafficSelector.builder(selector).matchInPort(d3p1.port()).build()));
assertThat(rule3.treatment(),
is(DefaultTrafficTreatment.builder(treatment).setOutput(d3p0.port()).build()));
assertThat(rule3.priority(), is(intent.priority()));
sut.deactivate();
}
}
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