/
MockBigQueryReadImpl.java
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/
MockBigQueryReadImpl.java
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/*
* Copyright 2021 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
*
* https://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.bigquery.storage.v1beta2;
import com.google.api.core.BetaApi;
import com.google.cloud.bigquery.storage.v1beta2.BigQueryReadGrpc.BigQueryReadImplBase;
import com.google.protobuf.AbstractMessage;
import io.grpc.stub.StreamObserver;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
import javax.annotation.Generated;
@BetaApi
@Generated("by gapic-generator-java")
public class MockBigQueryReadImpl extends BigQueryReadImplBase {
private List<AbstractMessage> requests;
private Queue<Object> responses;
public MockBigQueryReadImpl() {
requests = new ArrayList<>();
responses = new LinkedList<>();
}
public List<AbstractMessage> getRequests() {
return requests;
}
public void addResponse(AbstractMessage response) {
responses.add(response);
}
public void setResponses(List<AbstractMessage> responses) {
this.responses = new LinkedList<Object>(responses);
}
public void addException(Exception exception) {
responses.add(exception);
}
public void reset() {
requests = new ArrayList<>();
responses = new LinkedList<>();
}
@Override
public void createReadSession(
CreateReadSessionRequest request, StreamObserver<ReadSession> responseObserver) {
Object response = responses.poll();
if (response instanceof ReadSession) {
requests.add(request);
responseObserver.onNext(((ReadSession) response));
responseObserver.onCompleted();
} else if (response instanceof Exception) {
responseObserver.onError(((Exception) response));
} else {
responseObserver.onError(
new IllegalArgumentException(
String.format(
"Unrecognized response type %s for method CreateReadSession, expected %s or %s",
response == null ? "null" : response.getClass().getName(),
ReadSession.class.getName(),
Exception.class.getName())));
}
}
@Override
public void readRows(ReadRowsRequest request, StreamObserver<ReadRowsResponse> responseObserver) {
Object response = responses.poll();
if (response instanceof ReadRowsResponse) {
requests.add(request);
responseObserver.onNext(((ReadRowsResponse) response));
responseObserver.onCompleted();
} else if (response instanceof Exception) {
responseObserver.onError(((Exception) response));
} else {
responseObserver.onError(
new IllegalArgumentException(
String.format(
"Unrecognized response type %s for method ReadRows, expected %s or %s",
response == null ? "null" : response.getClass().getName(),
ReadRowsResponse.class.getName(),
Exception.class.getName())));
}
}
@Override
public void splitReadStream(
SplitReadStreamRequest request, StreamObserver<SplitReadStreamResponse> responseObserver) {
Object response = responses.poll();
if (response instanceof SplitReadStreamResponse) {
requests.add(request);
responseObserver.onNext(((SplitReadStreamResponse) response));
responseObserver.onCompleted();
} else if (response instanceof Exception) {
responseObserver.onError(((Exception) response));
} else {
responseObserver.onError(
new IllegalArgumentException(
String.format(
"Unrecognized response type %s for method SplitReadStream, expected %s or %s",
response == null ? "null" : response.getClass().getName(),
SplitReadStreamResponse.class.getName(),
Exception.class.getName())));
}
}
}