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/*
* Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
*/
package ai.vespa.metricsproxy.metric.model.json;
import ai.vespa.metricsproxy.metric.model.MetricsPacket;
import ai.vespa.metricsproxy.metric.model.StatusCode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.Test;
import java.io.IOException;
import java.util.List;
import static ai.vespa.metricsproxy.TestUtil.getFileContents;
import static ai.vespa.metricsproxy.metric.ExternalMetrics.VESPA_NODE_SERVICE_ID;
import static ai.vespa.metricsproxy.metric.model.DimensionId.toDimensionId;
import static ai.vespa.metricsproxy.metric.model.MetricId.toMetricId;
import static ai.vespa.metricsproxy.metric.model.ServiceId.toServiceId;
import static ai.vespa.metricsproxy.metric.model.json.JacksonUtil.createObjectMapper;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
/**
* @author gjoranv
*/
public class GenericJsonModelTest {
private static final String TEST_FILE = "generic-sample.json";
@Test
public void deserialize_serialize_roundtrip() throws IOException {
GenericJsonModel jsonModel = genericJsonModelFromTestFile();
// Do some sanity checking
assertEquals(2, jsonModel.services.size());
assertEquals(2, jsonModel.node.metrics.size());
assertEquals(16.222, jsonModel.node.metrics.get(0).values.get("cpu.util"), 0.01d);
String expected = getFileContents(TEST_FILE).trim().replaceAll("\\s+", "");;
String serialized = jsonModel.serialize();
String trimmed = serialized.trim().replaceAll("\\s+", "");
assertEquals(expected, trimmed);
}
@Test
public void metrics_packets_can_be_converted_to_generic_json_model() throws Exception {
var nodePacket = new MetricsPacket.Builder(VESPA_NODE_SERVICE_ID)
.timestamp(123456L)
.putMetric(toMetricId("node-metric"), 1.234)
.putDimension(toDimensionId("node-dim"), "node-dim-value")
.build();
var servicePacket = new MetricsPacket.Builder(toServiceId("my-service"))
.timestamp(123456L)
.statusCode(0)
.putMetric(toMetricId("service-metric"), 1234)
.putDimension(toDimensionId("service-dim"), "service-dim-value")
.build();
var metricsPackets = List.of(servicePacket, nodePacket);
GenericJsonModel jsonModel = GenericJsonUtil.toGenericJsonModel(metricsPackets);
assertNotNull(jsonModel.node);
assertEquals(1, jsonModel.node.metrics.size());
GenericMetrics nodeMetrics = jsonModel.node.metrics.get(0);
assertEquals(1.234, nodeMetrics.values.get("node-metric"), 0.001d);
assertEquals("node-dim-value", nodeMetrics.dimensions.get("node-dim"));
assertEquals(1, jsonModel.services.size());
GenericService service = jsonModel.services.get(0);
assertEquals(StatusCode.UP.status, service.status.code);
assertEquals("", service.status.description);
assertEquals(1, service.metrics.size());
GenericMetrics serviceMetrics = service.metrics.get(0);
assertEquals(1234L, serviceMetrics.values.get("service-metric").longValue());
assertEquals("service-dim-value", serviceMetrics.dimensions.get("service-dim"));
// Visual inspection
System.out.println(createObjectMapper().writerWithDefaultPrettyPrinter().writeValueAsString(jsonModel));
}
private GenericJsonModel genericJsonModelFromTestFile() throws IOException {
ObjectMapper mapper = createObjectMapper();
return mapper.readValue(getFileContents(TEST_FILE), GenericJsonModel.class);
}
}
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