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feat: Add toByteString/fromByteString for ChangeStreamContinuationTok…
…en (googleapis#1346) * feat: Add toByteString/fromByteString for ChangeStreamContinuationToken This will be used by the beam connector to write/read to a Bigtable table. This PR also does: 1. Revert the changes in googleapis#1345 since we can use Mockito to create mock objects for testing. * fix: Update comments * fix: Address comments * fix: Add InternalExtensionOnly annotations for Heartbeat/CloseStream/ChangeStreamMutation Co-authored-by: Teng Zhong <[email protected]>
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...test/java/com/google/cloud/bigtable/data/v2/models/ChangeStreamContinuationTokenTest.java
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/* | ||
* Copyright 2022 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.bigtable.data.v2.models; | ||
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import static com.google.common.truth.Truth.assertThat; | ||
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import com.google.bigtable.v2.RowRange; | ||
import com.google.bigtable.v2.StreamContinuationToken; | ||
import com.google.bigtable.v2.StreamPartition; | ||
import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange; | ||
import java.io.ByteArrayInputStream; | ||
import java.io.ByteArrayOutputStream; | ||
import java.io.ObjectInputStream; | ||
import java.io.ObjectOutputStream; | ||
import org.junit.Assert; | ||
import org.junit.Test; | ||
import org.junit.runner.RunWith; | ||
import org.junit.runners.JUnit4; | ||
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@RunWith(JUnit4.class) | ||
public class ChangeStreamContinuationTokenTest { | ||
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private final String TOKEN = "token"; | ||
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private ByteStringRange createFakeByteStringRange() { | ||
return ByteStringRange.create("a", "b"); | ||
} | ||
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// TODO: Get rid of this once we change ChangeStreamContinuationToken::getRowRange() | ||
// to ChangeStreamContinuationToken::getByteStringRange(). | ||
private RowRange rowRangeFromByteStringRange(ByteStringRange byteStringRange) { | ||
return RowRange.newBuilder() | ||
.setStartKeyClosed(byteStringRange.getStart()) | ||
.setEndKeyOpen(byteStringRange.getEnd()) | ||
.build(); | ||
} | ||
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@Test | ||
public void basicTest() throws Exception { | ||
ByteStringRange byteStringRange = createFakeByteStringRange(); | ||
ChangeStreamContinuationToken changeStreamContinuationToken = | ||
new ChangeStreamContinuationToken(byteStringRange, TOKEN); | ||
Assert.assertEquals( | ||
changeStreamContinuationToken.getRowRange(), rowRangeFromByteStringRange(byteStringRange)); | ||
Assert.assertEquals(changeStreamContinuationToken.getToken(), TOKEN); | ||
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ByteArrayOutputStream bos = new ByteArrayOutputStream(); | ||
ObjectOutputStream oos = new ObjectOutputStream(bos); | ||
oos.writeObject(changeStreamContinuationToken); | ||
oos.close(); | ||
ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray())); | ||
ChangeStreamContinuationToken actual = (ChangeStreamContinuationToken) ois.readObject(); | ||
assertThat(actual).isEqualTo(changeStreamContinuationToken); | ||
} | ||
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@Test | ||
public void fromProtoTest() { | ||
ByteStringRange byteStringRange = createFakeByteStringRange(); | ||
RowRange fakeRowRange = rowRangeFromByteStringRange(byteStringRange); | ||
StreamContinuationToken proto = | ||
StreamContinuationToken.newBuilder() | ||
.setPartition(StreamPartition.newBuilder().setRowRange(fakeRowRange).build()) | ||
.setToken(TOKEN) | ||
.build(); | ||
ChangeStreamContinuationToken changeStreamContinuationToken = | ||
ChangeStreamContinuationToken.fromProto(proto); | ||
Assert.assertEquals(changeStreamContinuationToken.getRowRange(), fakeRowRange); | ||
Assert.assertEquals(changeStreamContinuationToken.getToken(), TOKEN); | ||
Assert.assertEquals( | ||
changeStreamContinuationToken, | ||
ChangeStreamContinuationToken.fromProto(changeStreamContinuationToken.toProto())); | ||
} | ||
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@Test | ||
public void toByteStringTest() throws Exception { | ||
ByteStringRange byteStringRange = createFakeByteStringRange(); | ||
ChangeStreamContinuationToken changeStreamContinuationToken = | ||
new ChangeStreamContinuationToken(byteStringRange, TOKEN); | ||
Assert.assertEquals( | ||
changeStreamContinuationToken.getRowRange(), rowRangeFromByteStringRange(byteStringRange)); | ||
Assert.assertEquals(changeStreamContinuationToken.getToken(), TOKEN); | ||
Assert.assertEquals( | ||
changeStreamContinuationToken, | ||
ChangeStreamContinuationToken.fromByteString(changeStreamContinuationToken.toByteString())); | ||
} | ||
} |