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/*
* Copyright 2018, OpenCensus Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.opencensus.metrics;
import io.opencensus.common.ToDoubleFunction;
import io.opencensus.common.ToLongFunction;
import java.util.LinkedHashMap;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link MetricRegistry}. */
@RunWith(JUnit4.class)
public class MetricRegistryTest {
@Rule public ExpectedException thrown = ExpectedException.none();
private final MetricRegistry metricRegistry =
MetricsComponent.newNoopMetricsComponent().getMetricRegistry();
@Test
public void addDoubleGauge_NullName() {
thrown.expect(NullPointerException.class);
metricRegistry.addDoubleGauge(
null,
"description",
"1",
new LinkedHashMap<LabelKey, LabelValue>(),
null,
new ToDoubleFunction<Object>() {
@Override
public double applyAsDouble(Object value) {
return 5.0;
}
});
}
@Test
public void addDoubleGauge_NullDescription() {
thrown.expect(NullPointerException.class);
metricRegistry.addDoubleGauge(
"name",
null,
"1",
new LinkedHashMap<LabelKey, LabelValue>(),
null,
new ToDoubleFunction<Object>() {
@Override
public double applyAsDouble(Object value) {
return 5.0;
}
});
}
@Test
public void addDoubleGauge_NullUnit() {
thrown.expect(NullPointerException.class);
metricRegistry.addDoubleGauge(
"name",
"description",
null,
new LinkedHashMap<LabelKey, LabelValue>(),
null,
new ToDoubleFunction<Object>() {
@Override
public double applyAsDouble(Object value) {
return 5.0;
}
});
}
@Test
public void addDoubleGauge_NullLabels() {
thrown.expect(NullPointerException.class);
metricRegistry.addDoubleGauge(
"name",
"description",
"1",
null,
null,
new ToDoubleFunction<Object>() {
@Override
public double applyAsDouble(Object value) {
return 5.0;
}
});
}
@Test
public void addDoubleGauge_NullFunction() {
thrown.expect(NullPointerException.class);
metricRegistry.addDoubleGauge(
"name", "description", "1", new LinkedHashMap<LabelKey, LabelValue>(), null, null);
}
@Test
public void addLongGauge_NullName() {
thrown.expect(NullPointerException.class);
metricRegistry.addLongGauge(
null,
"description",
"1",
new LinkedHashMap<LabelKey, LabelValue>(),
null,
new ToLongFunction<Object>() {
@Override
public long applyAsLong(Object value) {
return 5;
}
});
}
@Test
public void addLongGauge_NullDescription() {
thrown.expect(NullPointerException.class);
metricRegistry.addLongGauge(
"name",
null,
"1",
new LinkedHashMap<LabelKey, LabelValue>(),
null,
new ToLongFunction<Object>() {
@Override
public long applyAsLong(Object value) {
return 5;
}
});
}
@Test
public void addLongGauge_NullUnit() {
thrown.expect(NullPointerException.class);
metricRegistry.addLongGauge(
"name",
"description",
null,
new LinkedHashMap<LabelKey, LabelValue>(),
null,
new ToLongFunction<Object>() {
@Override
public long applyAsLong(Object value) {
return 5;
}
});
}
@Test
public void addLongGauge_NullLabels() {
thrown.expect(NullPointerException.class);
metricRegistry.addLongGauge(
"name",
"description",
"1",
null,
null,
new ToLongFunction<Object>() {
@Override
public long applyAsLong(Object value) {
return 5;
}
});
}
@Test
public void addLongGauge_NullFunction() {
thrown.expect(NullPointerException.class);
metricRegistry.addLongGauge(
"name", "description", "1", new LinkedHashMap<LabelKey, LabelValue>(), null, null);
}
}
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