| /* |
| * 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 static com.google.common.truth.Truth.assertThat; |
| |
| import java.util.Collections; |
| import java.util.List; |
| 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 static final String NAME = "name"; |
| private static final String NAME_2 = "name2"; |
| private static final String NAME_3 = "name3"; |
| private static final String NAME_4 = "name4"; |
| private static final String DESCRIPTION = "description"; |
| private static final String UNIT = "1"; |
| private static final List<LabelKey> LABEL_KEY = |
| Collections.singletonList(LabelKey.create("key", "key description")); |
| private static final List<LabelValue> LABEL_VALUES = |
| Collections.singletonList(LabelValue.create("value")); |
| private final MetricRegistry metricRegistry = |
| MetricsComponent.newNoopMetricsComponent().getMetricRegistry(); |
| |
| @Test |
| public void noopAddLongGauge_NullName() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("name"); |
| metricRegistry.addLongGauge(null, DESCRIPTION, UNIT, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddLongGauge_NullDescription() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("description"); |
| metricRegistry.addLongGauge(NAME, null, UNIT, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddLongGauge_NullUnit() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("unit"); |
| metricRegistry.addLongGauge(NAME, DESCRIPTION, null, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddLongGauge_NullLabels() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("labelKeys"); |
| metricRegistry.addLongGauge(NAME, DESCRIPTION, UNIT, null); |
| } |
| |
| @Test |
| public void noopAddLongGauge_WithNullElement() { |
| List<LabelKey> labelKeys = Collections.singletonList(null); |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("labelKey element should not be null."); |
| metricRegistry.addLongGauge(NAME, DESCRIPTION, UNIT, labelKeys); |
| } |
| |
| @Test |
| public void noopAddDoubleGauge_NullName() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("name"); |
| metricRegistry.addDoubleGauge(null, DESCRIPTION, UNIT, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDoubleGauge_NullDescription() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("description"); |
| metricRegistry.addDoubleGauge(NAME_2, null, UNIT, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDoubleGauge_NullUnit() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("unit"); |
| metricRegistry.addDoubleGauge(NAME_2, DESCRIPTION, null, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDoubleGauge_NullLabels() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("labelKeys"); |
| metricRegistry.addDoubleGauge(NAME_2, DESCRIPTION, UNIT, null); |
| } |
| |
| @Test |
| public void noopAddDoubleGauge_WithNullElement() { |
| List<LabelKey> labelKeys = Collections.singletonList(null); |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("labelKey element should not be null."); |
| metricRegistry.addDoubleGauge(NAME_2, DESCRIPTION, UNIT, labelKeys); |
| } |
| |
| @Test |
| public void noopAddDerivedLongGauge_NullName() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("name"); |
| metricRegistry.addDerivedLongGauge(null, DESCRIPTION, UNIT, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDerivedLongGauge_NullDescription() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("description"); |
| metricRegistry.addDerivedLongGauge(NAME_3, null, UNIT, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDerivedLongGauge_NullUnit() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("unit"); |
| metricRegistry.addDerivedLongGauge(NAME_3, DESCRIPTION, null, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDerivedLongGauge_NullLabels() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("labelKeys"); |
| metricRegistry.addDerivedLongGauge(NAME_3, DESCRIPTION, UNIT, null); |
| } |
| |
| @Test |
| public void noopAddDerivedLongGauge_WithNullElement() { |
| List<LabelKey> labelKeys = Collections.singletonList(null); |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("labelKey element should not be null."); |
| metricRegistry.addDerivedLongGauge(NAME_3, DESCRIPTION, UNIT, labelKeys); |
| } |
| |
| @Test |
| public void noopAddDerivedDoubleGauge_NullName() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("name"); |
| metricRegistry.addDerivedDoubleGauge(null, DESCRIPTION, UNIT, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDerivedDoubleGauge_NullDescription() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("description"); |
| metricRegistry.addDerivedDoubleGauge(NAME_4, null, UNIT, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDerivedDoubleGauge_NullUnit() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("unit"); |
| metricRegistry.addDerivedDoubleGauge(NAME_4, DESCRIPTION, null, LABEL_KEY); |
| } |
| |
| @Test |
| public void noopAddDerivedDoubleGauge_NullLabels() { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("labelKeys"); |
| metricRegistry.addDerivedDoubleGauge(NAME_4, DESCRIPTION, UNIT, null); |
| } |
| |
| @Test |
| public void noopAddDerivedDoubleGauge_WithNullElement() { |
| List<LabelKey> labelKeys = Collections.singletonList(null); |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("labelKey element should not be null."); |
| metricRegistry.addDerivedDoubleGauge(NAME_4, DESCRIPTION, UNIT, labelKeys); |
| } |
| |
| @Test |
| public void noopSameAs() { |
| LongGauge longGauge = metricRegistry.addLongGauge(NAME, DESCRIPTION, UNIT, LABEL_KEY); |
| assertThat(longGauge.getDefaultTimeSeries()).isSameAs(longGauge.getDefaultTimeSeries()); |
| assertThat(longGauge.getDefaultTimeSeries()) |
| .isSameAs(longGauge.getOrCreateTimeSeries(LABEL_VALUES)); |
| |
| DoubleGauge doubleGauge = metricRegistry.addDoubleGauge(NAME_2, DESCRIPTION, UNIT, LABEL_KEY); |
| assertThat(doubleGauge.getDefaultTimeSeries()).isSameAs(doubleGauge.getDefaultTimeSeries()); |
| assertThat(doubleGauge.getDefaultTimeSeries()) |
| .isSameAs(doubleGauge.getOrCreateTimeSeries(LABEL_VALUES)); |
| } |
| |
| @Test |
| public void noopInstanceOf() { |
| assertThat(metricRegistry.addLongGauge(NAME, DESCRIPTION, UNIT, LABEL_KEY)) |
| .isInstanceOf(LongGauge.newNoopLongGauge(NAME, DESCRIPTION, UNIT, LABEL_KEY).getClass()); |
| assertThat(metricRegistry.addDoubleGauge(NAME_2, DESCRIPTION, UNIT, LABEL_KEY)) |
| .isInstanceOf( |
| DoubleGauge.newNoopDoubleGauge(NAME_2, DESCRIPTION, UNIT, LABEL_KEY).getClass()); |
| assertThat(metricRegistry.addDerivedLongGauge(NAME_3, DESCRIPTION, UNIT, LABEL_KEY)) |
| .isInstanceOf( |
| DerivedLongGauge.newNoopDerivedLongGauge(NAME_3, DESCRIPTION, UNIT, LABEL_KEY) |
| .getClass()); |
| assertThat(metricRegistry.addDerivedDoubleGauge(NAME_4, DESCRIPTION, UNIT, LABEL_KEY)) |
| .isInstanceOf( |
| DerivedDoubleGauge.newNoopDerivedDoubleGauge(NAME_4, DESCRIPTION, UNIT, LABEL_KEY) |
| .getClass()); |
| } |
| } |