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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.implcore.trace.export;
import static com.google.common.truth.Truth.assertThat;
import io.opencensus.common.Timestamp;
import io.opencensus.implcore.internal.EventQueue;
import io.opencensus.implcore.internal.SimpleEventQueue;
import io.opencensus.implcore.internal.TimestampConverter;
import io.opencensus.implcore.trace.RecordEventsSpanImpl;
import io.opencensus.implcore.trace.RecordEventsSpanImpl.StartEndHandler;
import io.opencensus.testing.common.TestClock;
import io.opencensus.trace.SpanContext;
import io.opencensus.trace.SpanId;
import io.opencensus.trace.TraceId;
import io.opencensus.trace.TraceOptions;
import io.opencensus.trace.config.TraceParams;
import io.opencensus.trace.export.RunningSpanStore.Filter;
import java.util.Random;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
/** Unit tests for {@link RunningSpanStoreImpl.NoopRunningSpanStoreImpl}. */
@RunWith(JUnit4.class)
public class NoopRunningSpanStoreImplTest {
private static final String SPAN_NAME = "MySpanName";
private final Timestamp timestamp = Timestamp.create(1234, 5678);
private final Random random = new Random(1234);
private final SpanContext spanContext =
SpanContext.create(
TraceId.generateRandomId(random), SpanId.generateRandomId(random), TraceOptions.DEFAULT);
private final TestClock testClock = TestClock.create(timestamp);
private final TimestampConverter timestampConverter = TimestampConverter.now(testClock);
@Mock private StartEndHandler startEndHandler;
private RecordEventsSpanImpl recordEventsSpanImpl;
// maxSpansToReturn=0 means all
private final Filter filter = Filter.create(SPAN_NAME, 0 /* maxSpansToReturn */);
private final EventQueue eventQueue = new SimpleEventQueue();
private final RunningSpanStoreImpl runningSpanStoreImpl =
ExportComponentImpl.createWithoutInProcessStores(eventQueue).getRunningSpanStore();
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
recordEventsSpanImpl =
RecordEventsSpanImpl.startSpan(
spanContext,
SPAN_NAME,
null,
null,
false,
TraceParams.DEFAULT,
startEndHandler,
timestampConverter,
testClock);
}
private void getMethodsShouldReturnEmpty() {
// get methods should always return empty collections.
assertThat(runningSpanStoreImpl.getSummary().getPerSpanNameSummary()).isEmpty();
assertThat(runningSpanStoreImpl.getRunningSpans(filter)).isEmpty();
}
@Test
public void noopImplementation() {
getMethodsShouldReturnEmpty();
// onStart() does not affect the result.
runningSpanStoreImpl.onStart(recordEventsSpanImpl);
getMethodsShouldReturnEmpty();
// onEnd() does not affect the result.
runningSpanStoreImpl.onEnd(recordEventsSpanImpl);
getMethodsShouldReturnEmpty();
}
}
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