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// Copyright 2020 Oath Inc. 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.TestUtil;
import ai.vespa.metricsproxy.metric.Metrics;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
/**
*/
public class MetricsFetcherTest {
private static int port = 9; //port number is not used in this test
@Test
public void testStateFormatMetricsParse() {
String jsonData = TestUtil.getFileContents("metrics-state.json");
RemoteMetricsFetcher fetcher = new RemoteMetricsFetcher(new DummyService(0, "dummy/id/0"), port);
Metrics metrics = fetcher.createMetrics(jsonData, 0);
assertThat(metrics.size(), is(10));
assertThat(metrics.getMetric("query_hits.count").getValue().intValue(), is(28));
assertThat(metrics.getMetric("queries.rate").getValue().doubleValue(), is(0.4667));
assertThat(metrics.getTimeStamp(), is(1334134700L));
}
@Test
public void testEmptyJson() {
String jsonData = "{}";
RemoteMetricsFetcher fetcher = new RemoteMetricsFetcher(new DummyService(0, "dummy/id/0"), port);
Metrics metrics = fetcher.createMetrics(jsonData, 0);
assertThat("Wrong number of metrics", metrics.size(), is(0));
}
@Test
public void testErrors() {
String jsonData;
Metrics metrics;
RemoteMetricsFetcher fetcher = new RemoteMetricsFetcher(new DummyService(0, "dummy/id/0"), port);
jsonData = "";
metrics = fetcher.createMetrics(jsonData, 0);
assertThat("Wrong number of metrics", metrics.size(), is(0));
jsonData = "{\n" +
"\"status\" : {\n" +
" \"code\" : \"up\",\n" +
" \"message\" : \"Everything ok here\"\n" +
"}\n" +
"}";
metrics = fetcher.createMetrics(jsonData, 0);
assertThat("Wrong number of metrics", metrics.size(), is(0));
jsonData = "{\n" +
"\"status\" : {\n" +
" \"code\" : \"up\",\n" +
" \"message\" : \"Everything ok here\"\n" +
"},\n" +
"\"metrics\" : {\n" +
" \"snapshot\" : {\n" +
" \"from\" : 1334134640.089,\n" +
" \"to\" : 1334134700.088\n" +
" },\n" +
" \"values\" : [\n" +
" {\n" +
" \"name\" : \"queries\",\n" +
" \"description\" : \"Number of queries executed during snapshot interval\",\n" +
" \"values\" : {\n" +
" \"count\" : null,\n" +
" \"rate\" : 0.4667\n" +
" },\n" +
" \"dimensions\" : {\n" +
" \"searcherid\" : \"x\"\n" +
" }\n" +
" }\n" + "" +
" ]\n" +
"}\n" +
"}";
metrics = fetcher.createMetrics(jsonData, 0);
assertThat("Wrong number of metrics", metrics.size(), is(0));
}
}
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