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MatcherTest.java
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MatcherTest.java
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/*
* Copyright 2021 The gRPC Authors
*
* 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.grpc.xds.internal;
import static com.google.common.truth.Truth.assertThat;
import com.google.re2j.Pattern;
import io.grpc.xds.internal.Matchers.CidrMatcher;
import io.grpc.xds.internal.Matchers.HeaderMatcher;
import io.grpc.xds.internal.Matchers.HeaderMatcher.Range;
import io.grpc.xds.internal.Matchers.StringMatcher;
import java.net.InetAddress;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class MatcherTest {
@Test
public void ipMatcher_ipv4() throws Exception {
CidrMatcher matcher = CidrMatcher.create(InetAddress.getByName("10.10.24.10"), 20);
assertThat(matcher.matches(InetAddress.getByName("::0"))).isFalse();
assertThat(matcher.matches(InetAddress.getByName("10.10.20.0"))).isTrue();
assertThat(matcher.matches(InetAddress.getByName("10.10.16.0"))).isTrue();
assertThat(matcher.matches(InetAddress.getByName("10.10.24.10"))).isTrue();
assertThat(matcher.matches(InetAddress.getByName("10.10.31.0"))).isTrue();
assertThat(matcher.matches(InetAddress.getByName("10.10.17.0"))).isTrue();
assertThat(matcher.matches(InetAddress.getByName("10.32.20.0"))).isFalse();
assertThat(matcher.matches(InetAddress.getByName("10.10.40.0"))).isFalse();
matcher = CidrMatcher.create(InetAddress.getByName("0.0.0.0"), 20);
assertThat(matcher.matches(InetAddress.getByName("10.32.20.0"))).isFalse();
assertThat(matcher.matches(InetAddress.getByName("0.0.31.0"))).isFalse();
assertThat(matcher.matches(InetAddress.getByName("0.0.15.0"))).isTrue();
assertThat(matcher.matches(null)).isFalse();
}
@Test
public void ipMatcher_ipv6() throws Exception {
CidrMatcher matcher = CidrMatcher.create(InetAddress.getByName("2012:00fe:d808::"), 36);
assertThat(matcher.matches(InetAddress.getByName("0.0.0.0"))).isFalse();
assertThat(matcher.matches(InetAddress.getByName("2012:00fe:d000::0"))).isTrue();
assertThat(matcher.matches(InetAddress.getByName("2012:00fe:d808::"))).isTrue();
assertThat(matcher.matches(InetAddress.getByName("2012:00fe:da81:0909:0008:4018:e930:b019")))
.isTrue();
assertThat(matcher.matches(InetAddress.getByName("2013:00fe:d000::0"))).isFalse();
}
@Test
public void stringMatcher() {
StringMatcher matcher = StringMatcher.forExact("essence", false);
assertThat(matcher.matches("elite")).isFalse();
assertThat(matcher.matches("ess")).isFalse();
assertThat(matcher.matches("")).isFalse();
assertThat(matcher.matches("essential")).isFalse();
assertThat(matcher.matches("Essence")).isFalse();
assertThat(matcher.matches("essence")).isTrue();
assertThat(matcher.matches((String)null)).isFalse();
matcher = StringMatcher.forExact("essence", true);
assertThat(matcher.matches("Essence")).isTrue();
assertThat(matcher.matches("essence")).isTrue();
matcher = StringMatcher.forExact("", true);
assertThat(matcher.matches("essence")).isFalse();
assertThat(matcher.matches("")).isTrue();
matcher = StringMatcher.forPrefix("Ess", false);
assertThat(matcher.matches("elite")).isFalse();
assertThat(matcher.matches("ess")).isFalse();
assertThat(matcher.matches("")).isFalse();
assertThat(matcher.matches("e")).isFalse();
assertThat(matcher.matches("essential")).isFalse();
assertThat(matcher.matches("Essence")).isTrue();
assertThat(matcher.matches("essence")).isFalse();
assertThat(matcher.matches((String)null)).isFalse();
matcher = StringMatcher.forPrefix("Ess", true);
assertThat(matcher.matches("esSEncE")).isTrue();
assertThat(matcher.matches("ess")).isTrue();
assertThat(matcher.matches("ES")).isFalse();
matcher = StringMatcher.forPrefix("", false);
assertThat(matcher.matches("elite")).isTrue();
matcher = StringMatcher.forSuffix("ess", false);
assertThat(matcher.matches("elite")).isFalse();
assertThat(matcher.matches("es")).isFalse();
assertThat(matcher.matches("")).isFalse();
assertThat(matcher.matches("ess")).isTrue();
assertThat(matcher.matches("Excess")).isTrue();
assertThat(matcher.matches("ExcesS")).isFalse();
assertThat(matcher.matches((String)null)).isFalse();
matcher = StringMatcher.forSuffix("ess", true);
assertThat(matcher.matches("esSEncESs")).isTrue();
assertThat(matcher.matches("ess")).isTrue();
matcher = StringMatcher.forSuffix("", true);
assertThat(matcher.matches("")).isTrue();
assertThat(matcher.matches("any")).isTrue();
matcher = StringMatcher.forContains("ess");
assertThat(matcher.matches("elite")).isFalse();
assertThat(matcher.matches("es")).isFalse();
assertThat(matcher.matches("")).isFalse();
assertThat(matcher.matches("essence")).isTrue();
assertThat(matcher.matches("eSs")).isFalse();
assertThat(matcher.matches("ExcesS")).isFalse();
assertThat(matcher.matches((String)null)).isFalse();
matcher = StringMatcher.forSafeRegEx(Pattern.compile("^es*.*"));
assertThat(matcher.matches("essence")).isTrue();
assertThat(matcher.matches("")).isFalse();
}
@Test
public void headerMatcher() {
HeaderMatcher matcher = HeaderMatcher.forExactValue("version", "v1", false);
assertThat(matcher.matches("v1")).isTrue();
assertThat(matcher.matches("v2")).isFalse();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forExactValue("version", "v1", true);
assertThat(matcher.matches("v1")).isFalse();
assertThat(matcher.matches( "v2")).isTrue();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forPresent("version", true, false);
assertThat(matcher.matches("any")).isTrue();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forPresent("version", true, true);
assertThat(matcher.matches("version")).isFalse();
assertThat(matcher.matches(null)).isTrue();
matcher = HeaderMatcher.forPresent("version", false, true);
assertThat(matcher.matches("tag")).isTrue();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forPresent("version", false, false);
assertThat(matcher.matches("tag")).isFalse();
assertThat(matcher.matches(null)).isTrue();
matcher = HeaderMatcher.forPrefix("version", "v2", false);
assertThat(matcher.matches("v22")).isTrue();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forPrefix("version", "v2", true);
assertThat(matcher.matches("v22")).isFalse();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forSuffix("version", "v1", false);
assertThat(matcher.matches("xv1")).isTrue();
assertThat(matcher.matches("v1x")).isFalse();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forSuffix("version", "v2", true);
assertThat(matcher.matches("xv1")).isTrue();
assertThat(matcher.matches("1v2")).isFalse();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forSafeRegEx("version", Pattern.compile("v2.*"), false);
assertThat(matcher.matches("v2..")).isTrue();
assertThat(matcher.matches("v1")).isFalse();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forSafeRegEx("version", Pattern.compile("v1\\..*"), true);
assertThat(matcher.matches("v1.43")).isFalse();
assertThat(matcher.matches("v2")).isTrue();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forRange("version", Range.create(8080L, 8090L), false);
assertThat(matcher.matches("8080")).isTrue();
assertThat(matcher.matches("1")).isFalse();
assertThat(matcher.matches(null)).isFalse();
matcher = HeaderMatcher.forRange("version", Range.create(8080L, 8090L), true);
assertThat(matcher.matches("1")).isTrue();
assertThat(matcher.matches("8080")).isFalse();
assertThat(matcher.matches(null)).isFalse();
}
}