/
ITTransactionManagerTest.java
302 lines (283 loc) · 10.8 KB
/
ITTransactionManagerTest.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
/*
* Copyright 2017 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.it;
import static com.google.cloud.spanner.testing.EmulatorSpannerHelper.isUsingEmulator;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
import static org.junit.Assume.assumeFalse;
import com.google.cloud.spanner.AbortedException;
import com.google.cloud.spanner.Database;
import com.google.cloud.spanner.DatabaseClient;
import com.google.cloud.spanner.Dialect;
import com.google.cloud.spanner.IntegrationTestEnv;
import com.google.cloud.spanner.Key;
import com.google.cloud.spanner.KeySet;
import com.google.cloud.spanner.Mutation;
import com.google.cloud.spanner.Options;
import com.google.cloud.spanner.ParallelIntegrationTest;
import com.google.cloud.spanner.SpannerException;
import com.google.cloud.spanner.Struct;
import com.google.cloud.spanner.TransactionContext;
import com.google.cloud.spanner.TransactionManager;
import com.google.cloud.spanner.TransactionManager.TransactionState;
import com.google.cloud.spanner.connection.ConnectionOptions;
import com.google.cloud.spanner.testing.EmulatorSpannerHelper;
import com.google.common.collect.ImmutableList;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@Category(ParallelIntegrationTest.class)
@RunWith(Parameterized.class)
public class ITTransactionManagerTest {
@ClassRule public static IntegrationTestEnv env = new IntegrationTestEnv();
private static DatabaseClient client;
private static DatabaseClient googleStandardSQLClient;
private static DatabaseClient postgreSQLClient;
@Parameterized.Parameters(name = "Dialect = {0}")
public static List<DialectTestParameter> data() {
List<DialectTestParameter> params = new ArrayList<>();
params.add(new DialectTestParameter(Dialect.GOOGLE_STANDARD_SQL));
if (!EmulatorSpannerHelper.isUsingEmulator()) {
params.add(new DialectTestParameter(Dialect.POSTGRESQL));
}
return params;
}
@Parameterized.Parameter() public DialectTestParameter dialect;
@BeforeClass
public static void setUpDatabase()
throws ExecutionException, InterruptedException, TimeoutException {
Database googleStandardSQLDatabase =
env.getTestHelper()
.createTestDatabase(
"CREATE TABLE T ("
+ " K STRING(MAX) NOT NULL,"
+ " BoolValue BOOL,"
+ ") PRIMARY KEY (K)");
googleStandardSQLClient = env.getTestHelper().getDatabaseClient(googleStandardSQLDatabase);
if (!EmulatorSpannerHelper.isUsingEmulator()) {
Database postgreSQLDatabase =
env.getTestHelper()
.createTestDatabase(
Dialect.POSTGRESQL,
Collections.singletonList(
"CREATE TABLE T ("
+ " K VARCHAR PRIMARY KEY,"
+ " BoolValue BOOL"
+ ")"));
postgreSQLClient = env.getTestHelper().getDatabaseClient(postgreSQLDatabase);
}
}
@Before
public void before() {
client =
dialect.dialect == Dialect.GOOGLE_STANDARD_SQL ? googleStandardSQLClient : postgreSQLClient;
// Delete all test data
client.write(ImmutableList.of(Mutation.delete("T", KeySet.all())));
}
@AfterClass
public static void teardown() {
ConnectionOptions.closeSpanner();
}
@SuppressWarnings("resource")
@Test
public void simpleInsert() throws InterruptedException {
try (TransactionManager manager = client.transactionManager()) {
TransactionContext txn = manager.begin();
while (true) {
assertThat(manager.getState()).isEqualTo(TransactionState.STARTED);
txn.buffer(
Mutation.newInsertBuilder("T").set("K").to("Key1").set("BoolValue").to(true).build());
try {
manager.commit();
assertThat(manager.getState()).isEqualTo(TransactionState.COMMITTED);
Struct row =
client.singleUse().readRow("T", Key.of("Key1"), Arrays.asList("K", "BoolValue"));
assertThat(row.getString(0)).isEqualTo("Key1");
assertThat(row.getBoolean(1)).isTrue();
break;
} catch (AbortedException e) {
long retryDelayInMillis = e.getRetryDelayInMillis();
if (retryDelayInMillis > 0) {
Thread.sleep(retryDelayInMillis);
}
txn = manager.resetForRetry();
}
}
}
}
@SuppressWarnings("resource")
@Test
public void invalidInsert() throws InterruptedException {
try (TransactionManager manager = client.transactionManager()) {
TransactionContext txn = manager.begin();
while (true) {
txn.buffer(
Mutation.newInsertBuilder("InvalidTable")
.set("K")
.to("Key1")
.set("BoolValue")
.to(true)
.build());
try {
manager.commit();
fail("Expected exception");
} catch (AbortedException e) {
long retryDelayInMillis = e.getRetryDelayInMillis();
if (retryDelayInMillis > 0) {
Thread.sleep(retryDelayInMillis);
}
txn = manager.resetForRetry();
} catch (SpannerException e) {
// expected
break;
}
}
assertThat(manager.getState()).isEqualTo(TransactionState.COMMIT_FAILED);
// We cannot retry for non aborted errors.
try {
manager.resetForRetry();
fail("Expected exception");
} catch (IllegalStateException ex) {
assertNotNull(ex.getMessage());
}
}
}
@SuppressWarnings("resource")
@Test
public void rollback() throws InterruptedException {
try (TransactionManager manager = client.transactionManager()) {
TransactionContext txn = manager.begin();
while (true) {
txn.buffer(
Mutation.newInsertBuilder("T").set("K").to("Key2").set("BoolValue").to(true).build());
try {
manager.rollback();
break;
} catch (AbortedException e) {
long retryDelayInMillis = e.getRetryDelayInMillis();
if (retryDelayInMillis > 0) {
Thread.sleep(retryDelayInMillis);
}
txn = manager.resetForRetry();
}
}
assertThat(manager.getState()).isEqualTo(TransactionState.ROLLED_BACK);
// Row should not have been inserted.
assertThat(client.singleUse().readRow("T", Key.of("Key2"), Arrays.asList("K", "BoolValue")))
.isNull();
}
}
@SuppressWarnings("resource")
@Test
public void abortAndRetry() throws InterruptedException {
assumeFalse(
"Emulator does not support more than 1 simultaneous transaction. "
+ "This test would therefore loop indefinitely on the emulator.",
isUsingEmulator());
client.write(
Collections.singletonList(
Mutation.newInsertBuilder("T").set("K").to("Key3").set("BoolValue").to(true).build()));
try (TransactionManager manager1 = client.transactionManager()) {
TransactionContext txn1 = manager1.begin();
TransactionManager manager2;
TransactionContext txn2;
while (true) {
try {
txn1.readRow("T", Key.of("Key3"), Arrays.asList("K", "BoolValue"));
manager2 = client.transactionManager();
txn2 = manager2.begin();
txn2.readRow("T", Key.of("Key3"), Arrays.asList("K", "BoolValue"));
txn1.buffer(
Mutation.newUpdateBuilder("T")
.set("K")
.to("Key3")
.set("BoolValue")
.to(false)
.build());
manager1.commit();
break;
} catch (AbortedException e) {
long retryDelayInMillis = e.getRetryDelayInMillis();
if (retryDelayInMillis > 0) {
Thread.sleep(retryDelayInMillis);
}
// It is possible that it was txn2 that aborted.
// In that case we should just retry without resetting anything.
if (manager1.getState() == TransactionState.ABORTED) {
txn1 = manager1.resetForRetry();
}
}
}
// txn2 should have been aborted.
try {
manager2.commit();
fail("Expected to abort");
} catch (AbortedException e) {
assertThat(manager2.getState()).isEqualTo(TransactionState.ABORTED);
txn2 = manager2.resetForRetry();
}
txn2.buffer(
Mutation.newUpdateBuilder("T").set("K").to("Key3").set("BoolValue").to(true).build());
manager2.commit();
Struct row = client.singleUse().readRow("T", Key.of("Key3"), Arrays.asList("K", "BoolValue"));
assertThat(row.getString(0)).isEqualTo("Key3");
assertThat(row.getBoolean(1)).isTrue();
manager2.close();
}
}
@SuppressWarnings("resource")
@Test
public void testTransactionManagerReturnsCommitStats() throws InterruptedException {
assumeFalse("Emulator does not return commit statistics", isUsingEmulator());
try (TransactionManager manager = client.transactionManager(Options.commitStats())) {
TransactionContext transaction = manager.begin();
while (true) {
transaction.buffer(
Mutation.newInsertBuilder("T")
.set("K")
.to("KeyCommitStats")
.set("BoolValue")
.to(true)
.build());
try {
manager.commit();
assertNotNull(manager.getCommitResponse().getCommitStats());
assertEquals(2L, manager.getCommitResponse().getCommitStats().getMutationCount());
break;
} catch (AbortedException e) {
long retryDelayInMillis = e.getRetryDelayInMillis();
if (retryDelayInMillis > 0) {
Thread.sleep(retryDelayInMillis);
}
transaction = manager.resetForRetry();
}
}
}
}
}