diff options
Diffstat (limited to 'impl_core/src/test/java/io/opencensus/implcore/metrics/DoubleGaugeImplTest.java')
-rw-r--r-- | impl_core/src/test/java/io/opencensus/implcore/metrics/DoubleGaugeImplTest.java | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/impl_core/src/test/java/io/opencensus/implcore/metrics/DoubleGaugeImplTest.java b/impl_core/src/test/java/io/opencensus/implcore/metrics/DoubleGaugeImplTest.java new file mode 100644 index 00000000..b0899084 --- /dev/null +++ b/impl_core/src/test/java/io/opencensus/implcore/metrics/DoubleGaugeImplTest.java @@ -0,0 +1,292 @@ +/* + * 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.implcore.metrics; + +import static com.google.common.truth.Truth.assertThat; +import static io.opencensus.implcore.metrics.DoubleGaugeImpl.UNSET_VALUE; + +import com.google.common.testing.EqualsTester; +import io.opencensus.common.Timestamp; +import io.opencensus.metrics.DoubleGauge.DoublePoint; +import io.opencensus.metrics.LabelKey; +import io.opencensus.metrics.LabelValue; +import io.opencensus.metrics.export.Metric; +import io.opencensus.metrics.export.MetricDescriptor; +import io.opencensus.metrics.export.MetricDescriptor.Type; +import io.opencensus.metrics.export.Point; +import io.opencensus.metrics.export.TimeSeries; +import io.opencensus.metrics.export.Value; +import io.opencensus.testing.common.TestClock; +import java.util.ArrayList; +import java.util.Arrays; +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 DoubleGaugeImpl}. */ +@RunWith(JUnit4.class) +public class DoubleGaugeImplTest { + @Rule public ExpectedException thrown = ExpectedException.none(); + + private static final String METRIC_NAME = "name"; + private static final String METRIC_DESCRIPTION = "description"; + private static final String METRIC_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 static final List<LabelValue> LABEL_VALUES1 = + Collections.singletonList(LabelValue.create("value1")); + private static final List<LabelValue> DEFAULT_LABEL_VALUES = + Collections.singletonList(UNSET_VALUE); + + private static final Timestamp TEST_TIME = Timestamp.create(1234, 123); + private final TestClock testClock = TestClock.create(TEST_TIME); + private static final MetricDescriptor METRIC_DESCRIPTOR = + MetricDescriptor.create( + METRIC_NAME, METRIC_DESCRIPTION, METRIC_UNIT, Type.GAUGE_DOUBLE, LABEL_KEY); + private final DoubleGaugeImpl doubleGauge = + new DoubleGaugeImpl(METRIC_NAME, METRIC_DESCRIPTION, METRIC_UNIT, LABEL_KEY); + + @Test + public void getOrCreateTimeSeries_WithNullLabelValues() { + thrown.expect(NullPointerException.class); + thrown.expectMessage("labelValues"); + doubleGauge.getOrCreateTimeSeries(null); + } + + @Test + public void getOrCreateTimeSeries_WithNullElement() { + List<LabelKey> labelKeys = + Arrays.asList(LabelKey.create("key1", "desc"), LabelKey.create("key2", "desc")); + List<LabelValue> labelValues = Arrays.asList(LabelValue.create("value1"), null); + + DoubleGaugeImpl doubleGauge = + new DoubleGaugeImpl(METRIC_NAME, METRIC_DESCRIPTION, METRIC_UNIT, labelKeys); + thrown.expect(NullPointerException.class); + thrown.expectMessage("labelValue element should not be null."); + doubleGauge.getOrCreateTimeSeries(labelValues); + } + + @Test + public void getOrCreateTimeSeries_WithInvalidLabelSize() { + List<LabelValue> labelValues = + Arrays.asList(LabelValue.create("value1"), LabelValue.create("value2")); + + thrown.expect(IllegalArgumentException.class); + thrown.expectMessage("Incorrect number of labels."); + doubleGauge.getOrCreateTimeSeries(labelValues); + } + + @Test + public void getOrCreateTimeSeries() { + DoublePoint point = doubleGauge.getOrCreateTimeSeries(LABEL_VALUES); + point.add(100); + DoublePoint point1 = doubleGauge.getOrCreateTimeSeries(LABEL_VALUES); + point1.set(500); + + Metric metric = doubleGauge.getMetric(testClock); + assertThat(metric).isNotNull(); + assertThat(metric) + .isEqualTo( + Metric.create( + METRIC_DESCRIPTOR, + Collections.singletonList( + TimeSeries.createWithOnePoint( + LABEL_VALUES, Point.create(Value.doubleValue(500), TEST_TIME), null)))); + assertThat(point).isSameAs(point1); + } + + @Test + public void getOrCreateTimeSeries_WithNegativePointValues() { + DoublePoint point = doubleGauge.getOrCreateTimeSeries(LABEL_VALUES); + point.add(-100); + point.add(-33); + + Metric metric = doubleGauge.getMetric(testClock); + assertThat(metric).isNotNull(); + assertThat(metric.getMetricDescriptor()).isEqualTo(METRIC_DESCRIPTOR); + assertThat(metric.getTimeSeriesList().size()).isEqualTo(1); + assertThat(metric.getTimeSeriesList().get(0).getPoints().size()).isEqualTo(1); + assertThat(metric.getTimeSeriesList().get(0).getPoints().get(0).getValue()) + .isEqualTo(Value.doubleValue(-133)); + assertThat(metric.getTimeSeriesList().get(0).getPoints().get(0).getTimestamp()) + .isEqualTo(TEST_TIME); + assertThat(metric.getTimeSeriesList().get(0).getStartTimestamp()).isNull(); + } + + @Test + public void getDefaultTimeSeries() { + DoublePoint point = doubleGauge.getDefaultTimeSeries(); + point.add(100); + point.set(500); + + DoublePoint point1 = doubleGauge.getDefaultTimeSeries(); + point1.add(-100); + + Metric metric = doubleGauge.getMetric(testClock); + assertThat(metric).isNotNull(); + assertThat(metric) + .isEqualTo( + Metric.create( + METRIC_DESCRIPTOR, + Collections.singletonList( + TimeSeries.createWithOnePoint( + DEFAULT_LABEL_VALUES, + Point.create(Value.doubleValue(400), TEST_TIME), + null)))); + assertThat(point).isSameAs(point1); + } + + @Test + public void removeTimeSeries() { + doubleGauge.getOrCreateTimeSeries(LABEL_VALUES); + assertThat(doubleGauge.getMetric(testClock)) + .isEqualTo( + Metric.create( + METRIC_DESCRIPTOR, + Collections.singletonList( + TimeSeries.createWithOnePoint( + LABEL_VALUES, Point.create(Value.doubleValue(0), TEST_TIME), null)))); + + doubleGauge.removeTimeSeries(LABEL_VALUES); + assertThat(doubleGauge.getMetric(testClock)).isNull(); + } + + @Test + public void removeTimeSeries_WithNullLabelValues() { + thrown.expect(NullPointerException.class); + thrown.expectMessage("labelValues"); + doubleGauge.removeTimeSeries(null); + } + + @Test + public void clear() { + DoublePoint doublePoint = doubleGauge.getOrCreateTimeSeries(LABEL_VALUES); + doublePoint.add(-11); + DoublePoint defaultPoint = doubleGauge.getDefaultTimeSeries(); + defaultPoint.set(100); + + Metric metric = doubleGauge.getMetric(testClock); + assertThat(metric).isNotNull(); + assertThat(metric.getMetricDescriptor()).isEqualTo(METRIC_DESCRIPTOR); + assertThat(metric.getTimeSeriesList().size()).isEqualTo(2); + + doubleGauge.clear(); + assertThat(doubleGauge.getMetric(testClock)).isNull(); + } + + @Test + public void setDefaultLabelValues() { + List<LabelKey> labelKeys = + Arrays.asList(LabelKey.create("key1", "desc"), LabelKey.create("key2", "desc")); + DoubleGaugeImpl doubleGauge = + new DoubleGaugeImpl(METRIC_NAME, METRIC_DESCRIPTION, METRIC_UNIT, labelKeys); + DoublePoint defaultPoint = doubleGauge.getDefaultTimeSeries(); + defaultPoint.set(-230); + + Metric metric = doubleGauge.getMetric(testClock); + assertThat(metric).isNotNull(); + assertThat(metric.getTimeSeriesList().size()).isEqualTo(1); + assertThat(metric.getTimeSeriesList().get(0).getLabelValues().size()).isEqualTo(2); + assertThat(metric.getTimeSeriesList().get(0).getLabelValues().get(0)).isEqualTo(UNSET_VALUE); + assertThat(metric.getTimeSeriesList().get(0).getLabelValues().get(1)).isEqualTo(UNSET_VALUE); + } + + @Test + public void pointImpl_InstanceOf() { + DoublePoint doublePoint = doubleGauge.getOrCreateTimeSeries(LABEL_VALUES); + assertThat(doublePoint).isInstanceOf(DoubleGaugeImpl.PointImpl.class); + } + + @Test + public void multipleMetrics_GetMetric() { + DoublePoint doublePoint = doubleGauge.getOrCreateTimeSeries(LABEL_VALUES); + doublePoint.add(1); + doublePoint.add(2); + + DoublePoint defaultPoint = doubleGauge.getDefaultTimeSeries(); + defaultPoint.set(100); + + DoublePoint doublePoint1 = doubleGauge.getOrCreateTimeSeries(LABEL_VALUES1); + doublePoint1.add(-100); + doublePoint1.add(-20); + + List<TimeSeries> expectedTimeSeriesList = new ArrayList<TimeSeries>(); + expectedTimeSeriesList.add( + TimeSeries.createWithOnePoint( + LABEL_VALUES, Point.create(Value.doubleValue(3), TEST_TIME), null)); + expectedTimeSeriesList.add( + TimeSeries.createWithOnePoint( + DEFAULT_LABEL_VALUES, Point.create(Value.doubleValue(100), TEST_TIME), null)); + expectedTimeSeriesList.add( + TimeSeries.createWithOnePoint( + LABEL_VALUES1, Point.create(Value.doubleValue(-120), TEST_TIME), null)); + + Metric metric = doubleGauge.getMetric(testClock); + assertThat(metric).isNotNull(); + assertThat(metric.getMetricDescriptor()).isEqualTo(METRIC_DESCRIPTOR); + assertThat(metric.getTimeSeriesList().size()).isEqualTo(3); + assertThat(metric.getTimeSeriesList()).containsExactlyElementsIn(expectedTimeSeriesList); + } + + @Test + public void empty_GetMetrics() { + assertThat(doubleGauge.getMetric(testClock)).isNull(); + } + + @Test + public void testEquals() { + List<LabelKey> labelKeys = + Arrays.asList(LabelKey.create("key1", "desc"), LabelKey.create("key2", "desc")); + List<LabelValue> labelValues = + Arrays.asList(LabelValue.create("value1"), LabelValue.create("value2")); + + DoubleGaugeImpl doubleGauge = + new DoubleGaugeImpl(METRIC_NAME, METRIC_DESCRIPTION, METRIC_UNIT, labelKeys); + + DoublePoint defaultPoint1 = doubleGauge.getDefaultTimeSeries(); + DoublePoint defaultPoint2 = doubleGauge.getDefaultTimeSeries(); + DoublePoint doublePoint1 = doubleGauge.getOrCreateTimeSeries(labelValues); + DoublePoint doublePoint2 = doubleGauge.getOrCreateTimeSeries(labelValues); + + new EqualsTester() + .addEqualityGroup(defaultPoint1, defaultPoint2) + .addEqualityGroup(doublePoint1, doublePoint2) + .testEquals(); + + doubleGauge.clear(); + + DoublePoint newDefaultPointAfterClear = doubleGauge.getDefaultTimeSeries(); + DoublePoint newDoublePointAfterClear = doubleGauge.getOrCreateTimeSeries(labelValues); + + doubleGauge.removeTimeSeries(labelValues); + DoublePoint newDoublePointAfterRemove = doubleGauge.getOrCreateTimeSeries(labelValues); + + new EqualsTester() + .addEqualityGroup(defaultPoint1, defaultPoint2) + .addEqualityGroup(doublePoint1, doublePoint2) + .addEqualityGroup(newDefaultPointAfterClear) + .addEqualityGroup(newDoublePointAfterClear) + .addEqualityGroup(newDoublePointAfterRemove) + .testEquals(); + } +} |