From f50596ac77fd0c4eb209ffbc8769b5025a3aa090 Mon Sep 17 00:00:00 2001 From: Bogdan Drutu Date: Tue, 14 Aug 2018 17:28:24 -0700 Subject: Add implementation for gauges. (#1365) * Add implementation for gauges. * Remove usage of internal class in implcore tests. --- .../io/opencensus/implcore/metrics/GaugeTest.java | 113 +++++++ .../implcore/metrics/MetricRegistryImplTest.java | 335 +++++++++++++++++++++ .../metrics/MetricsComponentImplBaseTest.java | 9 +- 3 files changed, 456 insertions(+), 1 deletion(-) create mode 100644 impl_core/src/test/java/io/opencensus/implcore/metrics/GaugeTest.java create mode 100644 impl_core/src/test/java/io/opencensus/implcore/metrics/MetricRegistryImplTest.java (limited to 'impl_core/src/test/java') diff --git a/impl_core/src/test/java/io/opencensus/implcore/metrics/GaugeTest.java b/impl_core/src/test/java/io/opencensus/implcore/metrics/GaugeTest.java new file mode 100644 index 00000000..1f6a1881 --- /dev/null +++ b/impl_core/src/test/java/io/opencensus/implcore/metrics/GaugeTest.java @@ -0,0 +1,113 @@ +/* + * 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 io.opencensus.common.Timestamp; +import io.opencensus.common.ToDoubleFunction; +import io.opencensus.common.ToLongFunction; +import io.opencensus.implcore.metrics.Gauge.DoubleGauge; +import io.opencensus.implcore.metrics.Gauge.LongGauge; +import io.opencensus.metrics.LabelKey; +import io.opencensus.metrics.LabelValue; +import io.opencensus.metrics.Metric; +import io.opencensus.metrics.MetricDescriptor; +import io.opencensus.metrics.MetricDescriptor.Type; +import io.opencensus.metrics.Point; +import io.opencensus.metrics.TimeSeriesGauge; +import io.opencensus.metrics.TimeSeriesList; +import io.opencensus.metrics.Value; +import io.opencensus.testing.common.TestClock; +import java.util.Collections; +import java.util.List; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.JUnit4; + +/** Unit tests for {@link Gauge}. */ +@RunWith(JUnit4.class) +public class GaugeTest { + private static final String NAME = "name"; + private static final String DESCRIPTION = "description"; + private static final String UNIT = "1"; + private static final List LABEL_KEYS = + Collections.unmodifiableList( + Collections.singletonList(LabelKey.create("key", "key description"))); + private static final List LABEL_VALUES = + Collections.unmodifiableList(Collections.singletonList(LabelValue.create("value"))); + private static final Object OBJ = new Object(); + private static final Timestamp TEST_TIME = Timestamp.create(1234, 123); + + private final Gauge longGauge = + new LongGauge( + NAME, + DESCRIPTION, + UNIT, + LABEL_KEYS, + LABEL_VALUES, + OBJ, + new ToLongFunction() { + @Override + public long applyAsLong(Object value) { + return value.hashCode(); + } + }); + private final Gauge doubleGauge = + new DoubleGauge( + NAME, + DESCRIPTION, + UNIT, + LABEL_KEYS, + LABEL_VALUES, + OBJ, + new ToDoubleFunction() { + @Override + public double applyAsDouble(Object value) { + return value.hashCode(); + } + }); + private final TestClock testClock = TestClock.create(TEST_TIME); + + @Test + public void longGauge_GetMetric() { + assertThat(longGauge.getMetric(testClock)) + .isEqualTo( + Metric.create( + MetricDescriptor.create(NAME, DESCRIPTION, UNIT, Type.GAUGE_INT64, LABEL_KEYS), + TimeSeriesList.TimeSeriesGaugeList.create( + Collections.singletonList( + TimeSeriesGauge.create( + LABEL_VALUES, + Collections.singletonList( + Point.create(Value.longValue(OBJ.hashCode()), TEST_TIME))))))); + } + + @Test + public void doubleGauge_GetMetric() { + assertThat(doubleGauge.getMetric(testClock)) + .isEqualTo( + Metric.create( + MetricDescriptor.create(NAME, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, LABEL_KEYS), + TimeSeriesList.TimeSeriesGaugeList.create( + Collections.singletonList( + TimeSeriesGauge.create( + LABEL_VALUES, + Collections.singletonList( + Point.create(Value.doubleValue(OBJ.hashCode()), TEST_TIME))))))); + } +} diff --git a/impl_core/src/test/java/io/opencensus/implcore/metrics/MetricRegistryImplTest.java b/impl_core/src/test/java/io/opencensus/implcore/metrics/MetricRegistryImplTest.java new file mode 100644 index 00000000..fdab47aa --- /dev/null +++ b/impl_core/src/test/java/io/opencensus/implcore/metrics/MetricRegistryImplTest.java @@ -0,0 +1,335 @@ +/* + * 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 io.opencensus.common.Timestamp; +import io.opencensus.common.ToDoubleFunction; +import io.opencensus.common.ToLongFunction; +import io.opencensus.metrics.LabelKey; +import io.opencensus.metrics.LabelValue; +import io.opencensus.metrics.Metric; +import io.opencensus.metrics.MetricDescriptor; +import io.opencensus.metrics.MetricDescriptor.Type; +import io.opencensus.metrics.Point; +import io.opencensus.metrics.TimeSeriesGauge; +import io.opencensus.metrics.TimeSeriesList; +import io.opencensus.metrics.Value; +import io.opencensus.testing.common.TestClock; +import java.util.Collections; +import java.util.LinkedHashMap; +import org.junit.Before; +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 MetricRegistryImpl}. */ +@RunWith(JUnit4.class) +public class MetricRegistryImplTest { + private static final String NAME = "name"; + private static final String DESCRIPTION = "description"; + private static final String UNIT = "1"; + private static final LabelKey LABEL_KEY = LabelKey.create("key", "key description"); + private static final LabelValue LABEL_VALUES = LabelValue.create("value"); + private static final Timestamp TEST_TIME = Timestamp.create(1234, 123); + + @Rule public ExpectedException thrown = ExpectedException.none(); + + private final TestClock testClock = TestClock.create(TEST_TIME); + private final MetricRegistryImpl metricRegistry = new MetricRegistryImpl(testClock); + private final LinkedHashMap labels = + new LinkedHashMap(); + + @Before + public void setUp() { + labels.put(LABEL_KEY, LABEL_VALUES); + } + + @Test + public void addDoubleGauge_NullName() { + thrown.expect(NullPointerException.class); + metricRegistry.addDoubleGauge( + null, + DESCRIPTION, + UNIT, + labels, + null, + new ToDoubleFunction() { + @Override + public double applyAsDouble(Object value) { + return 5.0; + } + }); + } + + @Test + public void addDoubleGauge_NullDescription() { + thrown.expect(NullPointerException.class); + metricRegistry.addDoubleGauge( + NAME, + null, + UNIT, + labels, + null, + new ToDoubleFunction() { + @Override + public double applyAsDouble(Object value) { + return 5.0; + } + }); + } + + @Test + public void addDoubleGauge_NullUnit() { + thrown.expect(NullPointerException.class); + metricRegistry.addDoubleGauge( + NAME, + DESCRIPTION, + null, + labels, + null, + new ToDoubleFunction() { + @Override + public double applyAsDouble(Object value) { + return 5.0; + } + }); + } + + @Test + public void addDoubleGauge_NullLabels() { + thrown.expect(NullPointerException.class); + metricRegistry.addDoubleGauge( + NAME, + DESCRIPTION, + UNIT, + null, + null, + new ToDoubleFunction() { + @Override + public double applyAsDouble(Object value) { + return 5.0; + } + }); + } + + @Test + public void addDoubleGauge_NullFunction() { + thrown.expect(NullPointerException.class); + metricRegistry.addDoubleGauge(NAME, DESCRIPTION, UNIT, labels, null, null); + } + + @Test + public void addDoubleGauge_GetMetrics() { + metricRegistry.addDoubleGauge( + NAME, + DESCRIPTION, + UNIT, + labels, + null, + new ToDoubleFunction() { + @Override + public double applyAsDouble(Object value) { + return 5.0; + } + }); + assertThat(metricRegistry.getMetrics()) + .containsExactly( + Metric.create( + MetricDescriptor.create( + NAME, + DESCRIPTION, + UNIT, + Type.GAUGE_DOUBLE, + Collections.unmodifiableList(Collections.singletonList(LABEL_KEY))), + TimeSeriesList.TimeSeriesGaugeList.create( + Collections.singletonList( + TimeSeriesGauge.create( + Collections.unmodifiableList(Collections.singletonList(LABEL_VALUES)), + Collections.singletonList( + Point.create(Value.doubleValue(5.0), TEST_TIME))))))); + } + + @Test + public void addLongGauge_NullName() { + thrown.expect(NullPointerException.class); + metricRegistry.addLongGauge( + null, + DESCRIPTION, + UNIT, + labels, + null, + new ToLongFunction() { + @Override + public long applyAsLong(Object value) { + return 7; + } + }); + } + + @Test + public void addLongGauge_NullDescription() { + thrown.expect(NullPointerException.class); + metricRegistry.addLongGauge( + NAME, + null, + UNIT, + labels, + null, + new ToLongFunction() { + @Override + public long applyAsLong(Object value) { + return 5; + } + }); + } + + @Test + public void addLongGauge_NullUnit() { + thrown.expect(NullPointerException.class); + metricRegistry.addLongGauge( + NAME, + DESCRIPTION, + null, + labels, + null, + new ToLongFunction() { + @Override + public long applyAsLong(Object value) { + return 5; + } + }); + } + + @Test + public void addLongGauge_NullLabels() { + thrown.expect(NullPointerException.class); + metricRegistry.addLongGauge( + NAME, + DESCRIPTION, + UNIT, + null, + null, + new ToLongFunction() { + @Override + public long applyAsLong(Object value) { + return 5; + } + }); + } + + @Test + public void addLongGauge_NullFunction() { + thrown.expect(NullPointerException.class); + metricRegistry.addLongGauge("name", DESCRIPTION, UNIT, labels, null, null); + } + + @Test + public void addLongGauge_GetMetrics() { + metricRegistry.addLongGauge( + NAME, + DESCRIPTION, + UNIT, + labels, + null, + new ToLongFunction() { + @Override + public long applyAsLong(Object value) { + return 7; + } + }); + assertThat(metricRegistry.getMetrics()) + .containsExactly( + Metric.create( + MetricDescriptor.create( + NAME, + DESCRIPTION, + UNIT, + Type.GAUGE_INT64, + Collections.unmodifiableList(Collections.singletonList(LABEL_KEY))), + TimeSeriesList.TimeSeriesGaugeList.create( + Collections.singletonList( + TimeSeriesGauge.create( + Collections.unmodifiableList(Collections.singletonList(LABEL_VALUES)), + Collections.singletonList( + Point.create(Value.longValue(7), TEST_TIME))))))); + } + + @Test + public void multipleMetrics_GetMetrics() { + metricRegistry.addLongGauge( + NAME, + DESCRIPTION, + UNIT, + labels, + null, + new ToLongFunction() { + @Override + public long applyAsLong(Object value) { + return 7; + } + }); + metricRegistry.addDoubleGauge( + NAME, + DESCRIPTION, + UNIT, + labels, + null, + new ToDoubleFunction() { + @Override + public double applyAsDouble(Object value) { + return 5.0; + } + }); + assertThat(metricRegistry.getMetrics()) + .containsExactly( + Metric.create( + MetricDescriptor.create( + NAME, + DESCRIPTION, + UNIT, + Type.GAUGE_INT64, + Collections.unmodifiableList(Collections.singletonList(LABEL_KEY))), + TimeSeriesList.TimeSeriesGaugeList.create( + Collections.singletonList( + TimeSeriesGauge.create( + Collections.unmodifiableList(Collections.singletonList(LABEL_VALUES)), + Collections.singletonList( + Point.create(Value.longValue(7), TEST_TIME)))))), + Metric.create( + MetricDescriptor.create( + NAME, + DESCRIPTION, + UNIT, + Type.GAUGE_DOUBLE, + Collections.unmodifiableList(Collections.singletonList(LABEL_KEY))), + TimeSeriesList.TimeSeriesGaugeList.create( + Collections.singletonList( + TimeSeriesGauge.create( + Collections.unmodifiableList(Collections.singletonList(LABEL_VALUES)), + Collections.singletonList( + Point.create(Value.doubleValue(5.0), TEST_TIME))))))); + } + + @Test + public void empty_GetMetrics() { + assertThat(metricRegistry.getMetrics()).isEmpty(); + } +} diff --git a/impl_core/src/test/java/io/opencensus/implcore/metrics/MetricsComponentImplBaseTest.java b/impl_core/src/test/java/io/opencensus/implcore/metrics/MetricsComponentImplBaseTest.java index a86a53d9..5050625b 100644 --- a/impl_core/src/test/java/io/opencensus/implcore/metrics/MetricsComponentImplBaseTest.java +++ b/impl_core/src/test/java/io/opencensus/implcore/metrics/MetricsComponentImplBaseTest.java @@ -19,6 +19,7 @@ package io.opencensus.implcore.metrics; import static com.google.common.truth.Truth.assertThat; import io.opencensus.implcore.metrics.export.ExportComponentImpl; +import io.opencensus.testing.common.TestClock; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; @@ -26,11 +27,17 @@ import org.junit.runners.JUnit4; /** Unit tests for {@link MetricsComponentImplBase}. */ @RunWith(JUnit4.class) public class MetricsComponentImplBaseTest { + private final MetricsComponentImplBase metricsComponentImplBase = + new MetricsComponentImplBase(TestClock.create()); @Test public void getExportComponent() { - MetricsComponentImplBase metricsComponentImplBase = new MetricsComponentImplBase(); assertThat(metricsComponentImplBase.getExportComponent()) .isInstanceOf(ExportComponentImpl.class); } + + @Test + public void getMetricRegistry() { + assertThat(metricsComponentImplBase.getMetricRegistry()).isInstanceOf(MetricRegistryImpl.class); + } } -- cgit v1.2.3