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ZipkinSpanExporterTest.java
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ZipkinSpanExporterTest.java
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/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
package io.opentelemetry.exporter.zipkin;
import static io.opentelemetry.exporter.zipkin.ZipkinTestUtil.spanBuilder;
import static io.opentelemetry.exporter.zipkin.ZipkinTestUtil.zipkinSpanBuilder;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import io.opentelemetry.api.metrics.MeterProvider;
import io.opentelemetry.internal.testing.slf4j.SuppressLogger;
import io.opentelemetry.sdk.common.CompletableResultCode;
import io.opentelemetry.sdk.testing.trace.TestSpanData;
import java.io.IOException;
import java.net.InetAddress;
import java.util.Collections;
import java.util.concurrent.TimeUnit;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import zipkin2.Call;
import zipkin2.Callback;
import zipkin2.Span;
import zipkin2.codec.SpanBytesEncoder;
import zipkin2.reporter.Sender;
@ExtendWith(MockitoExtension.class)
class ZipkinSpanExporterTest {
@Mock private Sender mockSender;
@Mock private SpanBytesEncoder mockEncoder;
@Mock private Call<Void> mockZipkinCall;
@Mock private OtelToZipkinSpanTransformer mockTransformer;
@Mock private InetAddress localIp;
@Test
void testExport() {
TestSpanData testSpanData = spanBuilder().build();
ZipkinSpanExporter zipkinSpanExporter =
new ZipkinSpanExporter(mockEncoder, mockSender, MeterProvider.noop(), mockTransformer);
byte[] someBytes = new byte[0];
Span zipkinSpan =
zipkinSpanBuilder(Span.Kind.SERVER, localIp)
.putTag(OtelToZipkinSpanTransformer.OTEL_STATUS_CODE, "OK")
.build();
when(mockTransformer.generateSpan(testSpanData)).thenReturn(zipkinSpan);
when(mockEncoder.encode(zipkinSpan)).thenReturn(someBytes);
when(mockSender.sendSpans(Collections.singletonList(someBytes))).thenReturn(mockZipkinCall);
doAnswer(
invocation -> {
Callback<Void> callback = invocation.getArgument(0);
callback.onSuccess(null);
return null;
})
.when(mockZipkinCall)
.enqueue(any());
CompletableResultCode resultCode =
zipkinSpanExporter.export(Collections.singleton(testSpanData));
assertThat(resultCode.isSuccess()).isTrue();
}
@Test
@SuppressLogger(ZipkinSpanExporter.class)
void testExport_failed() {
TestSpanData testSpanData = spanBuilder().build();
ZipkinSpanExporter zipkinSpanExporter =
new ZipkinSpanExporter(mockEncoder, mockSender, MeterProvider.noop(), mockTransformer);
byte[] someBytes = new byte[0];
Span zipkinSpan =
zipkinSpanBuilder(Span.Kind.SERVER, localIp)
.putTag(OtelToZipkinSpanTransformer.OTEL_STATUS_CODE, "OK")
.build();
when(mockTransformer.generateSpan(testSpanData)).thenReturn(zipkinSpan);
when(mockEncoder.encode(zipkinSpan)).thenReturn(someBytes);
when(mockSender.sendSpans(Collections.singletonList(someBytes))).thenReturn(mockZipkinCall);
doAnswer(
invocation -> {
Callback<Void> callback = invocation.getArgument(0);
callback.onError(new IOException());
return null;
})
.when(mockZipkinCall)
.enqueue(any());
CompletableResultCode resultCode =
zipkinSpanExporter.export(Collections.singleton(testSpanData));
assertThat(resultCode.isSuccess()).isFalse();
}
@Test
void testCreate() {
ZipkinSpanExporter exporter = ZipkinSpanExporter.builder().setSender(mockSender).build();
assertThat(exporter).isNotNull();
}
@Test
void testShutdown() throws IOException {
ZipkinSpanExporter exporter = ZipkinSpanExporter.builder().setSender(mockSender).build();
exporter.shutdown();
verify(mockSender).close();
}
@Test
@SuppressWarnings("PreferJavaTimeOverload")
void invalidConfig() {
assertThatThrownBy(() -> ZipkinSpanExporter.builder().setReadTimeout(-1, TimeUnit.MILLISECONDS))
.isInstanceOf(IllegalArgumentException.class)
.hasMessage("timeout must be non-negative");
assertThatThrownBy(() -> ZipkinSpanExporter.builder().setReadTimeout(1, null))
.isInstanceOf(NullPointerException.class)
.hasMessage("unit");
assertThatThrownBy(() -> ZipkinSpanExporter.builder().setReadTimeout(null))
.isInstanceOf(NullPointerException.class)
.hasMessage("timeout");
assertThatThrownBy(() -> ZipkinSpanExporter.builder().setEndpoint(null))
.isInstanceOf(NullPointerException.class)
.hasMessage("endpoint");
assertThatThrownBy(() -> ZipkinSpanExporter.builder().setCompression(null))
.isInstanceOf(NullPointerException.class)
.hasMessage("compressionMethod");
assertThatThrownBy(() -> ZipkinSpanExporter.builder().setSender(null))
.isInstanceOf(NullPointerException.class)
.hasMessage("sender");
assertThatThrownBy(() -> ZipkinSpanExporter.builder().setEncoder(null))
.isInstanceOf(NullPointerException.class)
.hasMessage("encoder");
}
@Test
void compressionDefault() {
ZipkinSpanExporter exporter = ZipkinSpanExporter.builder().build();
try {
assertThat(exporter).extracting("sender.compressionEnabled").isEqualTo(true);
} finally {
exporter.shutdown();
}
}
@Test
void compressionNone() {
ZipkinSpanExporter exporter = ZipkinSpanExporter.builder().setCompression("none").build();
try {
assertThat(exporter).extracting("sender.compressionEnabled").isEqualTo(false);
} finally {
exporter.shutdown();
}
}
@Test
void compressionGzip() {
ZipkinSpanExporter exporter = ZipkinSpanExporter.builder().setCompression("gzip").build();
try {
assertThat(exporter).extracting("sender.compressionEnabled").isEqualTo(true);
} finally {
exporter.shutdown();
}
}
@Test
void compressionEnabledAndDisabled() {
ZipkinSpanExporter exporter =
ZipkinSpanExporter.builder().setCompression("gzip").setCompression("none").build();
try {
assertThat(exporter).extracting("sender.compressionEnabled").isEqualTo(false);
} finally {
exporter.shutdown();
}
}
}