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Code Issues Projects Releases Wiki Activity

Add database benchmarks.

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This commit is contained in:
akwizgran
2017-11-03 14:53:04 +00:00
parent 5d528fce74
commit 074755c0a8
6 changed files with 879 additions and 0 deletions
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4
bramble-api/src/test/java/org/briarproject/bramble/test/BrambleTestCase.java
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@@ -1,7 +1,9 @@
package org.briarproject.bramble.test;
import java.lang.Thread.UncaughtExceptionHandler;
import java.util.logging.Logger;
import static java.util.logging.Level.OFF;
import static org.junit.Assert.fail;
public abstract class BrambleTestCase {
@@ -13,5 +15,7 @@ public abstract class BrambleTestCase {
fail();
};
Thread.setDefaultUncaughtExceptionHandler(fail);
// Disable logging
Logger.getLogger("").setLevel(OFF);
}
}

70
bramble-api/src/test/java/org/briarproject/bramble/test/TestUtils.java
View File

@@ -2,12 +2,27 @@ package org.briarproject.bramble.test;
import org.briarproject.bramble.api.UniqueId;
import org.briarproject.bramble.api.crypto.SecretKey;
import org.briarproject.bramble.api.identity.Author;
import org.briarproject.bramble.api.identity.AuthorId;
import org.briarproject.bramble.api.identity.LocalAuthor;
import org.briarproject.bramble.api.sync.ClientId;
import org.briarproject.bramble.api.sync.Group;
import org.briarproject.bramble.api.sync.GroupId;
import org.briarproject.bramble.util.IoUtils;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.concurrent.atomic.AtomicInteger;
import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_PUBLIC_KEY_LENGTH;
import static org.briarproject.bramble.api.sync.SyncConstants.MAX_GROUP_DESCRIPTOR_LENGTH;
import static org.briarproject.bramble.util.StringUtils.getRandomString;
public class TestUtils {
private static final AtomicInteger nextTestDir =
@@ -38,4 +53,59 @@ public class TestUtils {
return new SecretKey(getRandomBytes(SecretKey.LENGTH));
}
public static LocalAuthor getLocalAuthor() {
AuthorId id = new AuthorId(getRandomId());
String name = getRandomString(MAX_AUTHOR_NAME_LENGTH);
byte[] publicKey = getRandomBytes(MAX_PUBLIC_KEY_LENGTH);
byte[] privateKey = getRandomBytes(MAX_PUBLIC_KEY_LENGTH);
long created = System.currentTimeMillis();
return new LocalAuthor(id, name, publicKey, privateKey, created);
}
public static Author getAuthor() {
AuthorId id = new AuthorId(getRandomId());
String name = getRandomString(MAX_AUTHOR_NAME_LENGTH);
byte[] publicKey = getRandomBytes(MAX_PUBLIC_KEY_LENGTH);
return new Author(id, name, publicKey);
}
public static Group getGroup(ClientId clientId) {
GroupId groupId = new GroupId(getRandomId());
byte[] descriptor = getRandomBytes(MAX_GROUP_DESCRIPTOR_LENGTH);
return new Group(groupId, clientId, descriptor);
}
public static double getMedian(Collection<? extends Number> samples) {
int size = samples.size();
if (size == 0) throw new IllegalArgumentException();
List<Double> sorted = new ArrayList<Double>(size);
for (Number n : samples) sorted.add(n.doubleValue());
Collections.sort(sorted);
if (size % 2 == 1) return sorted.get(size / 2);
double low = sorted.get(size / 2 - 1), high = sorted.get(size / 2);
return (low + high) / 2;
}
public static double getMean(Collection<? extends Number> samples) {
if (samples.isEmpty()) throw new IllegalArgumentException();
double sum = 0;
for (Number n : samples) sum += n.doubleValue();
return sum / samples.size();
}
public static double getVariance(Collection<? extends Number> samples) {
if (samples.size() < 2) throw new IllegalArgumentException();
double mean = getMean(samples);
double sumSquareDiff = 0;
for (Number n : samples) {
double diff = n.doubleValue() - mean;
sumSquareDiff += diff * diff;
}
return sumSquareDiff / (samples.size() - 1);
}
public static double getStandardDeviation(
Collection<? extends Number> samples) {
return Math.sqrt(getVariance(samples));
}
}