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| 1 | +/* |
| 2 | + * Copyright 2019 Google LLC |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | + |
| 17 | +package com.google.cloud.spanner; |
| 18 | + |
| 19 | +import static org.hamcrest.CoreMatchers.equalTo; |
| 20 | +import static org.hamcrest.CoreMatchers.is; |
| 21 | +import static org.junit.Assert.assertThat; |
| 22 | + |
| 23 | +import com.google.api.gax.grpc.testing.LocalChannelProvider; |
| 24 | +import com.google.cloud.NoCredentials; |
| 25 | +import com.google.cloud.spanner.MockSpannerServiceImpl.StatementResult; |
| 26 | +import io.grpc.Server; |
| 27 | +import io.grpc.inprocess.InProcessServerBuilder; |
| 28 | +import java.io.IOException; |
| 29 | +import org.junit.After; |
| 30 | +import org.junit.AfterClass; |
| 31 | +import org.junit.Before; |
| 32 | +import org.junit.BeforeClass; |
| 33 | +import org.junit.Test; |
| 34 | +import org.junit.runner.RunWith; |
| 35 | +import org.junit.runners.JUnit4; |
| 36 | + |
| 37 | +@RunWith(JUnit4.class) |
| 38 | +public class DatabaseClientImplTest { |
| 39 | + private static MockSpannerServiceImpl mockSpanner; |
| 40 | + private static Server server; |
| 41 | + private static LocalChannelProvider channelProvider; |
| 42 | + private static Spanner spanner; |
| 43 | + private static final Statement UPDATE_STATEMENT = |
| 44 | + Statement.of("UPDATE FOO SET BAR=1 WHERE BAZ=2"); |
| 45 | + private static final long UPDATE_COUNT = 1L; |
| 46 | + |
| 47 | + @BeforeClass |
| 48 | + public static void startStaticServer() throws IOException { |
| 49 | + mockSpanner = new MockSpannerServiceImpl(); |
| 50 | + mockSpanner.setAbortProbability(0.0D); // We don't want any unpredictable aborted transactions. |
| 51 | + mockSpanner.putStatementResult(StatementResult.update(UPDATE_STATEMENT, UPDATE_COUNT)); |
| 52 | + |
| 53 | + String uniqueName = InProcessServerBuilder.generateName(); |
| 54 | + server = |
| 55 | + InProcessServerBuilder.forName(uniqueName) |
| 56 | + .directExecutor() |
| 57 | + .addService(mockSpanner) |
| 58 | + .build() |
| 59 | + .start(); |
| 60 | + channelProvider = LocalChannelProvider.create(uniqueName); |
| 61 | + } |
| 62 | + |
| 63 | + @AfterClass |
| 64 | + public static void stopServer() { |
| 65 | + server.shutdown(); |
| 66 | + } |
| 67 | + |
| 68 | + @Before |
| 69 | + public void setUp() throws IOException { |
| 70 | + mockSpanner.reset(); |
| 71 | + spanner = |
| 72 | + SpannerOptions.newBuilder() |
| 73 | + .setProjectId("[PROJECT]") |
| 74 | + .setChannelProvider(channelProvider) |
| 75 | + .setCredentials(NoCredentials.getInstance()) |
| 76 | + .build() |
| 77 | + .getService(); |
| 78 | + } |
| 79 | + |
| 80 | + @After |
| 81 | + public void tearDown() throws Exception { |
| 82 | + spanner.close(); |
| 83 | + } |
| 84 | + |
| 85 | + /** |
| 86 | + * Test that the update statement can be executed as a partitioned transaction that returns a |
| 87 | + * lower bound update count. |
| 88 | + */ |
| 89 | + @Test |
| 90 | + public void testExecutePartitionedDml() { |
| 91 | + DatabaseClient client = |
| 92 | + spanner.getDatabaseClient(DatabaseId.of("[PROJECT]", "[INSTANCE]", "[DATABASE]")); |
| 93 | + long updateCount = client.executePartitionedUpdate(UPDATE_STATEMENT); |
| 94 | + assertThat(updateCount, is(equalTo(UPDATE_COUNT))); |
| 95 | + } |
| 96 | +} |
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