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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.metrics;
import ai.vespa.metrics.set.Metric;
import com.google.common.collect.ImmutableMap;
import org.junit.jupiter.api.Test;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author gjoranv
*/
public class MetricTest {
@Test
void this_metric_takes_precedence_when_combined_with_another_metric() {
String COMMON_DIMENSION_KEY = "commonKey";
Map<String, String> thisDimensions = ImmutableMap.<String, String>builder()
.put(COMMON_DIMENSION_KEY, "thisCommonVal")
.put("thisKey", "thisVal")
.build();
Metric thisMetric = new Metric("thisMetric", "this-output-name", "this-description", thisDimensions);
Map<String, String> thatDimensions = ImmutableMap.<String, String>builder()
.put(COMMON_DIMENSION_KEY, "thatCommonVal")
.put("thatKey", "thatVal")
.build();
Metric thatMetric = new Metric("thatMetric", "that-output-name", "that-description", thatDimensions);
Metric combinedMetric = thisMetric.addDimensionsFrom(thatMetric);
assertEquals("this-output-name", combinedMetric.outputName);
assertEquals("this-description", combinedMetric.description);
assertEquals(3, combinedMetric.dimensions.size());
assertEquals("thisCommonVal", combinedMetric.dimensions.get(COMMON_DIMENSION_KEY));
}
}
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