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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.version;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.component.Version;
import com.yahoo.io.IOUtils;
import com.yahoo.vespa.curator.mock.MockCurator;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author Ulf Lilleengen
*/
public class VersionStateTest {
@Rule
public TemporaryFolder tempDir = new TemporaryFolder();
private final MockCurator curator = new MockCurator();
@Test
public void upgrade() throws IOException {
Version unknownVersion = new Version(0, 0, 0);
VersionState state = createVersionState();
assertEquals(unknownVersion, state.storedVersion());
assertTrue(state.isUpgraded());
state.storeCurrentVersion();
assertFalse(state.isUpgraded());
state.storeVersion("badversion");
assertEquals(unknownVersion, state.storedVersion());
assertTrue(state.isUpgraded());
state.storeVersion("5.0.0");
assertEquals(new Version(5, 0, 0), state.storedVersion());
assertTrue(state.isUpgraded());
// Remove zk node, should find version in ZooKeeper
curator.delete(VersionState.versionPath);
assertEquals(new Version(5, 0, 0), state.storedVersion());
assertTrue(state.isUpgraded());
// Save new version, remove version in file, should find version in ZooKeeper
state.storeVersion("6.0.0");
Files.delete(state.versionFile().toPath());
assertEquals(new Version(6, 0, 0), state.storedVersion());
assertTrue(state.isUpgraded());
state.storeCurrentVersion();
assertEquals(state.currentVersion(), state.storedVersion());
assertFalse(state.isUpgraded());
}
@Test
public void serverdbfile() throws IOException {
File dbDir = tempDir.newFolder();
VersionState state = new VersionState(new ConfigserverConfig.Builder().configServerDBDir(dbDir.getAbsolutePath()).build(), curator);
state.storeCurrentVersion();
File versionFile = new File(dbDir, "vespa_version");
assertTrue(versionFile.exists());
Version stored = Version.fromString(IOUtils.readFile(versionFile));
assertEquals(stored, state.currentVersion());
}
private VersionState createVersionState() throws IOException {
return new VersionState(tempDir.newFile(), curator, true);
}
}
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