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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.metricsproxy.service;
import ai.vespa.metricsproxy.metric.Metric;
import ai.vespa.metricsproxy.metric.Metrics;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static ai.vespa.metricsproxy.TestUtil.getFileContents;
import static ai.vespa.metricsproxy.metric.model.MetricId.toMetricId;
import static ai.vespa.metricsproxy.service.RemoteMetricsFetcher.METRICS_PATH;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Unknown
*/
public class VespaServiceTest {
private MockHttpServer httpServer;
private static final String response;
static {
response = getFileContents("metrics-state.json");
HttpMetricFetcher.CONNECTION_TIMEOUT = 60000; // 60 secs in unit tests
}
@Before
public void setupHTTPServer() {
try {
httpServer = new MockHttpServer(response, METRICS_PATH);
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testService() {
VespaService service = new VespaService("container", "container/container.0");
assertEquals("container", service.getServiceName());
assertEquals("container", service.getInstanceName());
assertEquals(-1, service.getPid());
assertEquals("container/container.0", service.getConfigId());
service = VespaService.create("container2", "container/container.0", -1);
assertEquals("container", service.getServiceName());
assertEquals("container2", service.getInstanceName());
assertEquals(-1, service.getPid());
assertEquals("container/container.0", service.getConfigId());
}
@Test
// TODO: Make it possible to test this without running a HTTP server to create the response
public void testMetricsFetching() {
VespaService service = VespaService.create("service1", "id", httpServer.port());
assertEquals(28, getMetric("queries.count", service.getMetrics()).getValue().intValue());
// Shutdown server and check that no metrics are returned (should use empty metrics
// when unable to fetch new metrics)
shutdown();
assertTrue(service.getMetrics().list().isEmpty());
}
@After
public void shutdown() {
this.httpServer.close();
}
public Metric getMetric(String metric, Metrics metrics) {
for (Metric m: metrics.list()) {
if (m.getName().equals(toMetricId(metric)))
return m;
}
return null;
}
}
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