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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.testrunner;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
/**
* @author jonmv
*/
public class AggregateTestRunner implements TestRunner {
private static final Logger log = Logger.getLogger(AggregateTestRunner.class.getName());
private final List<TestRunner> wrapped;
private int current = -1;
private boolean error = false;
private final Object monitor = new Object();
private AggregateTestRunner(List<TestRunner> testRunners) {
this.wrapped = testRunners;
}
public static TestRunner of(Collection<TestRunner> testRunners) {
return new AggregateTestRunner(List.copyOf(testRunners));
}
@Override
public Collection<LogRecord> getLog(long after) {
ArrayList<LogRecord> records = new ArrayList<>();
synchronized (monitor) {
for (int i = 0; i <= current && i < wrapped.size(); i++)
records.addAll(wrapped.get(i).getLog(after));
}
return records;
}
@Override
public Status getStatus() {
if (error) return Status.ERROR;
synchronized (monitor) {
if (current == -1)
return Status.NOT_STARTED;
Status status = Status.NO_TESTS;
for (int i = 0; i <= current; i++) {
if (i == wrapped.size())
return status;
Status next = wrapped.get(i).getStatus();
status = status.ordinal() < next.ordinal() ? status : next;
}
return Status.RUNNING;
}
}
@Override
public CompletableFuture<?> test(Suite suite, byte[] config) {
synchronized (monitor) {
if (0 <= current && current < wrapped.size())
throw new IllegalStateException("Tests already running, should not attempt to start now");
current = -1;
CompletableFuture<?> aggregate = new CompletableFuture<>();
CompletableFuture<?> vessel = CompletableFuture.completedFuture(null);
runNext(suite, config, vessel, aggregate);
return aggregate;
}
}
private void runNext(Suite suite, byte[] config, CompletableFuture<?> vessel, CompletableFuture<?> aggregate) {
vessel.whenComplete((__, ___) -> {
synchronized (monitor) {
if (++current < wrapped.size())
try {
runNext(suite, config, wrapped.get(current).test(suite, config), aggregate);
}
catch (Throwable t) {
log.log(Level.SEVERE, "Failed running next suite (" + wrapped.get(current) + ")", t);
error = true;
}
else
aggregate.complete(null);
}
});
}
@Override
public TestReport getReport() {
TestReport report = null;
synchronized (monitor) {
for (int i = 0; i < current && i < wrapped.size(); i++)
report = merge(report, wrapped.get(i).getReport());
}
return report;
}
static TestReport merge(TestReport first, TestReport second) {
return first == null ? second : second == null ? first : first.mergedWith(second);
}
}
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