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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.os;
import com.yahoo.component.Version;
import com.yahoo.config.provision.NodeType;
import com.yahoo.vespa.hosted.provision.NodeRepositoryTester;
import org.junit.Test;
import java.time.Duration;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author mpolden
*/
public class OsVersionsTest {
private final OsVersions versions = new OsVersions(
new NodeRepositoryTester().nodeRepository().database(),
Duration.ofDays(1) // Long TTL to avoid timed expiry during test
);
@Test
public void test_versions() {
assertTrue("No versions set", versions.targets().isEmpty());
assertSame("Caches empty target versions", versions.targets(), versions.targets());
// Upgrade OS
Version version1 = Version.fromString("7.1");
versions.setTarget(NodeType.host, version1, false);
Map<NodeType, OsVersion> targetVersions = versions.targets();
assertSame("Caches target versions", targetVersions, versions.targets());
assertEquals(version1, versions.targetFor(NodeType.host).get().version());
// Upgrade OS again
Version version2 = Version.fromString("7.2");
versions.setTarget(NodeType.host, version2, false);
assertNotSame("Cache invalidated", targetVersions, versions.targets());
assertEquals(version2, versions.targetFor(NodeType.host).get().version());
// Downgrading fails
try {
versions.setTarget(NodeType.host, version1, false);
fail("Expected exception");
} catch (IllegalArgumentException ignored) {}
// Forcing downgrade succeeds
versions.setTarget(NodeType.host, version1, true);
assertEquals(version1, versions.targetFor(NodeType.host).get().version());
// Target can be removed
versions.removeTarget(NodeType.host);
assertFalse(versions.targetFor(NodeType.host).isPresent());
}
}
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