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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 static com.google.common.truth.Truth.assertThat;
import com.google.common.testing.EqualsTester;
import io.opencensus.common.Timestamp;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.hamcrest.CoreMatchers;
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 TimeSeries}. */
@RunWith(JUnit4.class)
public class TimeSeriesTest {
@Rule public ExpectedException thrown = ExpectedException.none();
private static final LabelValue LABEL_VALUE_1 = LabelValue.create("value1");
private static final LabelValue LABEL_VALUE_2 = LabelValue.create("value2");
private static final Value VALUE_LONG = Value.longValue(12345678);
private static final Value VALUE_DOUBLE = Value.doubleValue(-345.77);
private static final Timestamp TIMESTAMP_1 = Timestamp.fromMillis(1000);
private static final Timestamp TIMESTAMP_2 = Timestamp.fromMillis(2000);
private static final Timestamp TIMESTAMP_3 = Timestamp.fromMillis(3000);
private static final Point POINT_1 = Point.create(VALUE_DOUBLE, TIMESTAMP_2);
private static final Point POINT_2 = Point.create(VALUE_LONG, TIMESTAMP_3);
@Test
public void testGet_TimeSeries() {
TimeSeries cumulativeTimeSeries =
TimeSeries.create(
Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), TIMESTAMP_1);
assertThat(cumulativeTimeSeries.getStartTimestamp()).isEqualTo(TIMESTAMP_1);
assertThat(cumulativeTimeSeries.getLabelValues())
.containsExactly(LABEL_VALUE_1, LABEL_VALUE_2)
.inOrder();
assertThat(cumulativeTimeSeries.getPoints()).containsExactly(POINT_1).inOrder();
}
@Test
public void create_WithNullLabelValueList() {
thrown.expect(NullPointerException.class);
thrown.expectMessage(CoreMatchers.equalTo("labelValues"));
TimeSeries.create(null, Collections.<Point>emptyList(), TIMESTAMP_1);
}
@Test
public void create_WithNullLabelValue() {
List<LabelValue> labelValues = Arrays.asList(LABEL_VALUE_1, null);
thrown.expect(NullPointerException.class);
thrown.expectMessage(CoreMatchers.equalTo("labelValue"));
TimeSeries.create(labelValues, Collections.<Point>emptyList(), TIMESTAMP_1);
}
@Test
public void create_WithNullPointList() {
thrown.expect(NullPointerException.class);
thrown.expectMessage(CoreMatchers.equalTo("points"));
TimeSeries.create(Collections.<LabelValue>emptyList(), null, TIMESTAMP_1);
}
@Test
public void create_WithNullPoint() {
List<Point> points = Arrays.asList(POINT_1, null);
thrown.expect(NullPointerException.class);
thrown.expectMessage(CoreMatchers.equalTo("point"));
TimeSeries.create(Collections.<LabelValue>emptyList(), points, TIMESTAMP_1);
}
@Test
public void testEquals() {
new EqualsTester()
.addEqualityGroup(
TimeSeries.create(
Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), TIMESTAMP_1),
TimeSeries.create(
Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), TIMESTAMP_1))
.addEqualityGroup(
TimeSeries.create(
Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), null),
TimeSeries.create(
Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), null))
.addEqualityGroup(
TimeSeries.create(
Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), TIMESTAMP_2))
.addEqualityGroup(
TimeSeries.create(Arrays.asList(LABEL_VALUE_1), Arrays.asList(POINT_1), TIMESTAMP_2))
.addEqualityGroup(
TimeSeries.create(Arrays.asList(LABEL_VALUE_1), Arrays.asList(POINT_2), TIMESTAMP_2))
.addEqualityGroup(
TimeSeries.create(
Arrays.asList(LABEL_VALUE_1), Arrays.asList(POINT_1, POINT_2), TIMESTAMP_2))
.testEquals();
}
}
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