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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.core.matchers;
import com.yahoo.vespa.clustercontroller.utils.util.MetricReporter;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import java.util.Map;
import java.util.TreeMap;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class HasMetricContext extends BaseMatcher<MetricReporter.Context> {
private final Map<String, ?> dimensions;
private HasMetricContext(Map<String, String> dimensions) {
this.dimensions = new TreeMap<>(dimensions);
}
@Override
public boolean matches(Object o) {
if (!(o instanceof MockContext)) {
return false;
}
return dimensions.equals(((MockContext)o).dimensions);
}
@Override
public void describeTo(Description description) {
description.appendText(String.format("Context with dimensions %s", dimensions));
}
@Override
public void describeMismatch(Object item, Description description) {
description.appendText(String.format("Context dimensions are %s", item.toString()));
}
public static class Dimension {
final String name;
final String value;
private Dimension(String name, String value) {
this.name = name;
this.value = value;
}
}
public static class MockContext implements MetricReporter.Context {
final TreeMap<String, ?> dimensions;
public MockContext(Map<String, ?> dimensions) {
this.dimensions = new TreeMap<>(dimensions);
}
@Override
public String toString() {
return dimensions.toString();
}
}
public static Dimension withDimension(String name, String value) {
return new Dimension(name, value);
}
public static HasMetricContext hasMetricContext(Dimension... dimensions) {
return new HasMetricContext(Stream.of(dimensions).collect(Collectors.toMap(dim -> dim.name, dim -> dim.value)));
}
}
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