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IsRetryableInternalErrorTest.java
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IsRetryableInternalErrorTest.java
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/*
* Copyright 2020 Google LLC
*
* 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 com.google.cloud.spanner;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertTrue;
import com.google.api.gax.grpc.GrpcStatusCode;
import com.google.api.gax.rpc.InternalException;
import com.google.common.base.Predicate;
import io.grpc.Status;
import io.grpc.Status.Code;
import io.grpc.StatusRuntimeException;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class IsRetryableInternalErrorTest {
private Predicate<Throwable> predicate;
@Before
public void setUp() {
predicate = new IsRetryableInternalError();
}
@Test
public void http2ErrorStatusRuntimeExceptionIsRetryable() {
final StatusRuntimeException e =
new StatusRuntimeException(
Status.fromCode(Code.INTERNAL)
.withDescription("INTERNAL: HTTP/2 error code: INTERNAL_ERROR."));
assertThat(predicate.apply(e)).isTrue();
}
@Test
public void http2ErrorInternalExceptionIsRetryable() {
final InternalException e =
new InternalException(
"INTERNAL: HTTP/2 error code: INTERNAL_ERROR.",
null,
GrpcStatusCode.of(Code.INTERNAL),
false);
assertThat(predicate.apply(e)).isTrue();
}
@Test
public void connectionClosedStatusRuntimeExceptionIsRetryable() {
final StatusRuntimeException e =
new StatusRuntimeException(
Status.fromCode(Code.INTERNAL)
.withDescription("INTERNAL: Connection closed with unknown cause."));
assertThat(predicate.apply(e)).isTrue();
}
@Test
public void connectionClosedInternalExceptionIsRetryable() {
final InternalException e =
new InternalException(
"INTERNAL: Connection closed with unknown cause.",
null,
GrpcStatusCode.of(Code.INTERNAL),
false);
assertThat(predicate.apply(e)).isTrue();
}
@Test
public void eosStatusRuntimeExceptionIsRetryable() {
final StatusRuntimeException e =
new StatusRuntimeException(
Status.fromCode(Code.INTERNAL)
.withDescription("INTERNAL: Received unexpected EOS on DATA frame from server."));
assertThat(predicate.apply(e)).isTrue();
}
@Test
public void eosInternalExceptionIsRetryable() {
final InternalException e =
new InternalException(
"INTERNAL: Received unexpected EOS on DATA frame from server.",
null,
GrpcStatusCode.of(Code.INTERNAL),
false);
assertThat(predicate.apply(e)).isTrue();
}
@Test
public void genericInternalStatusRuntimeExceptionIsRetryable() {
final StatusRuntimeException e =
new StatusRuntimeException(
Status.fromCode(Code.INTERNAL).withDescription("INTERNAL: Generic."));
assertThat(predicate.apply(e)).isFalse();
}
@Test
public void rstStreamInternalExceptionIsRetryable() {
final InternalException e =
new InternalException(
"INTERNAL: stream terminated by RST_STREAM.",
null,
GrpcStatusCode.of(Code.INTERNAL),
false);
assertTrue(predicate.apply(e));
}
@Test
public void genericInternalExceptionIsNotRetryable() {
final InternalException e =
new InternalException("INTERNAL: Generic.", null, GrpcStatusCode.of(Code.INTERNAL), false);
assertThat(predicate.apply(e)).isFalse();
}
@Test
public void nullIsNotRetryable() {
assertThat(predicate.apply(null)).isFalse();
}
@Test
public void genericExceptionIsNotRetryable() {
assertThat(predicate.apply(new Exception())).isFalse();
}
}