Temporarily move "metrics" package into impl_core/ for release. (#1426)

The "metrics" package isn't ready to be released yet, so this commit moves it
out of the API artifact.  The package can still be accessed by the stats
implementation in impl_core/.  This commit can be reverted once the package is
ready to be exposed.  The moved package names also contain "temporary" so that
there is no possibility of class name conflicts between different versions of
opencensus-api and opencensus-impl-core.  For example,
io.opencensus.metrics.export is renamed to
io.opencensus.implcore.temporary.metrics.export.

1 files changed, 0 insertions, 116 deletions

diff --git a/api/src/test/java/io/opencensus/metrics/MetricTest.java b/api/src/test/java/io/opencensus/metrics/MetricTest.java
deleted file mode 100644
index 37deed4b..00000000
--- a/api/src/test/java/io/opencensus/metrics/MetricTest.java
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * 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 io.opencensus.metrics.MetricDescriptor.Type;
-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 Metric}. */
-@RunWith(JUnit4.class)
-public class MetricTest {
-
-  @Rule public final ExpectedException thrown = ExpectedException.none();
-
-  private static final String METRIC_NAME_1 = "metric1";
-  private static final String METRIC_NAME_2 = "metric2";
-  private static final String DESCRIPTION = "Metric description.";
-  private static final String UNIT = "kb/s";
-  private static final LabelKey KEY_1 = LabelKey.create("key1", "some key");
-  private static final LabelKey KEY_2 = LabelKey.create("key1", "some other key");
-  private static final MetricDescriptor METRIC_DESCRIPTOR_1 =
-      MetricDescriptor.create(
-          METRIC_NAME_1, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, Arrays.asList(KEY_1, KEY_2));
-  private static final MetricDescriptor METRIC_DESCRIPTOR_2 =
-      MetricDescriptor.create(
-          METRIC_NAME_2, DESCRIPTION, UNIT, Type.CUMULATIVE_INT64, Arrays.asList(KEY_1));
-  private static final LabelValue LABEL_VALUE_1 = LabelValue.create("value1");
-  private static final LabelValue LABEL_VALUE_2 = LabelValue.create("value1");
-  private static final LabelValue LABEL_VALUE_EMPTY = LabelValue.create("");
-  private static final Value VALUE_LONG = Value.longValue(12345678);
-  private static final Value VALUE_DOUBLE_1 = Value.doubleValue(-345.77);
-  private static final Value VALUE_DOUBLE_2 = Value.doubleValue(133.79);
-  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_1, TIMESTAMP_2);
-  private static final Point POINT_2 = Point.create(VALUE_DOUBLE_2, TIMESTAMP_3);
-  private static final Point POINT_3 = Point.create(VALUE_LONG, TIMESTAMP_3);
-  private static final TimeSeries GAUGE_TIME_SERIES_1 =
-      TimeSeries.create(Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), null);
-  private static final TimeSeries GAUGE_TIME_SERIES_2 =
-      TimeSeries.create(Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_2), null);
-  private static final TimeSeries CUMULATIVE_TIME_SERIES =
-      TimeSeries.create(Arrays.asList(LABEL_VALUE_EMPTY), Arrays.asList(POINT_3), TIMESTAMP_1);
-
-  @Test
-  public void testGet() {
-    Metric metric =
-        Metric.create(METRIC_DESCRIPTOR_1, Arrays.asList(GAUGE_TIME_SERIES_1, GAUGE_TIME_SERIES_2));
-    assertThat(metric.getMetricDescriptor()).isEqualTo(METRIC_DESCRIPTOR_1);
-    assertThat(metric.getTimeSeriesList())
-        .containsExactly(GAUGE_TIME_SERIES_1, GAUGE_TIME_SERIES_2)
-        .inOrder();
-  }
-
-  @Test
-  public void typeMismatch_GaugeDouble_Long() {
-    typeMismatch(
-        METRIC_DESCRIPTOR_1,
-        Arrays.asList(CUMULATIVE_TIME_SERIES),
-        String.format("Type mismatch: %s, %s.", Type.GAUGE_DOUBLE, "ValueLong"));
-  }
-
-  @Test
-  public void typeMismatch_CumulativeInt64_Double() {
-    typeMismatch(
-        METRIC_DESCRIPTOR_2,
-        Arrays.asList(GAUGE_TIME_SERIES_1),
-        String.format("Type mismatch: %s, %s.", Type.CUMULATIVE_INT64, "ValueDouble"));
-  }
-
-  private void typeMismatch(
-      MetricDescriptor metricDescriptor, List<TimeSeries> timeSeriesList, String errorMessage) {
-    thrown.expect(IllegalArgumentException.class);
-    thrown.expectMessage(errorMessage);
-    Metric.create(metricDescriptor, timeSeriesList);
-  }
-
-  @Test
-  public void testEquals() {
-    new EqualsTester()
-        .addEqualityGroup(
-            Metric.create(
-                METRIC_DESCRIPTOR_1, Arrays.asList(GAUGE_TIME_SERIES_1, GAUGE_TIME_SERIES_2)),
-            Metric.create(
-                METRIC_DESCRIPTOR_1, Arrays.asList(GAUGE_TIME_SERIES_1, GAUGE_TIME_SERIES_2)))
-        .addEqualityGroup(Metric.create(METRIC_DESCRIPTOR_1, Collections.<TimeSeries>emptyList()))
-        .addEqualityGroup(Metric.create(METRIC_DESCRIPTOR_2, Arrays.asList(CUMULATIVE_TIME_SERIES)))
-        .addEqualityGroup(Metric.create(METRIC_DESCRIPTOR_2, Collections.<TimeSeries>emptyList()))
-        .testEquals();
-  }
-}