2121import com .mongodb .MongoNamespace ;
2222import com .mongodb .ReadPreference ;
2323import com .mongodb .UnixServerAddress ;
24- import com .mongodb .client .unified .UnifiedTestModifications .TestDef ;
25- import com .mongodb .event .TestServerMonitorListener ;
26- import com .mongodb .internal .logging .LogMessage ;
27- import com .mongodb .logging .TestLoggingInterceptor ;
2824import com .mongodb .WriteConcern ;
2925import com .mongodb .client .ClientSession ;
3026import com .mongodb .client .MongoClient ;
3127import com .mongodb .client .MongoDatabase ;
3228import com .mongodb .client .gridfs .GridFSBucket ;
3329import com .mongodb .client .model .Filters ;
3430import com .mongodb .client .test .CollectionHelper ;
31+ import com .mongodb .client .unified .UnifiedTestModifications .TestDef ;
3532import com .mongodb .client .vault .ClientEncryption ;
3633import com .mongodb .connection .ClusterDescription ;
3734import com .mongodb .connection .ClusterType ;
3835import com .mongodb .connection .ServerDescription ;
3936import com .mongodb .event .CommandEvent ;
4037import com .mongodb .event .CommandStartedEvent ;
38+ import com .mongodb .event .TestServerMonitorListener ;
4139import com .mongodb .internal .connection .TestCommandListener ;
4240import com .mongodb .internal .connection .TestConnectionPoolListener ;
41+ import com .mongodb .internal .logging .LogMessage ;
4342import com .mongodb .lang .NonNull ;
4443import com .mongodb .lang .Nullable ;
44+ import com .mongodb .logging .TestLoggingInterceptor ;
4545import com .mongodb .test .AfterBeforeParameterResolver ;
4646import org .bson .BsonArray ;
4747import org .bson .BsonBoolean ;
5757import org .junit .jupiter .params .ParameterizedTest ;
5858import org .junit .jupiter .params .provider .Arguments ;
5959import org .junit .jupiter .params .provider .MethodSource ;
60+ import org .opentest4j .AssertionFailedError ;
6061import org .opentest4j .TestAbortedException ;
6162
6263import java .io .File ;
6364import java .io .IOException ;
6465import java .net .URISyntaxException ;
66+ import java .text .MessageFormat ;
6567import java .util .ArrayList ;
6668import java .util .Collection ;
6769import java .util .Collections ;
70+ import java .util .HashSet ;
6871import java .util .List ;
6972import java .util .Set ;
7073import java .util .concurrent .ExecutionException ;
8184import static com .mongodb .client .test .CollectionHelper .getCurrentClusterTime ;
8285import static com .mongodb .client .test .CollectionHelper .killAllSessions ;
8386import static com .mongodb .client .unified .RunOnRequirementsMatcher .runOnRequirementsMet ;
87+ import static com .mongodb .client .unified .UnifiedTestModifications .doSkips ;
8488import static com .mongodb .client .unified .UnifiedTestModifications .testDef ;
8589import static java .util .Collections .singletonList ;
8690import static java .util .stream .Collectors .toList ;
@@ -101,6 +105,9 @@ public abstract class UnifiedTest {
101105 private static final Set <String > PRESTART_POOL_ASYNC_WORK_MANAGER_FILE_DESCRIPTIONS = Collections .singleton (
102106 "wait queue timeout errors include details about checked out connections" );
103107
108+ public static final int ATTEMPTS = 3 ;
109+ private static Set <String > completed = new HashSet <>();
110+
104111 @ Nullable
105112 private String fileDescription ;
106113 private String schemaVersion ;
@@ -155,32 +162,51 @@ public Entities getEntities() {
155162 }
156163
157164 @ NonNull
158- protected static Collection <Arguments > getTestData (final String directory ) throws URISyntaxException , IOException {
165+ protected static Collection <Arguments > getTestData (final String directory , final boolean isReactive )
166+ throws URISyntaxException , IOException {
159167 List <Arguments > data = new ArrayList <>();
160168 for (File file : getTestFiles ("/" + directory + "/" )) {
161169 BsonDocument fileDocument = getTestDocument (file );
162-
163170 for (BsonValue cur : fileDocument .getArray ("tests" )) {
164- data .add (UnifiedTest .createTestData (directory , fileDocument , cur .asDocument ()));
171+
172+ final BsonDocument testDocument = cur .asDocument ();
173+ String testDescription = testDocument .getString ("description" ).getValue ();
174+ String fileDescription = fileDocument .getString ("description" ).getValue ();
175+ TestDef testDef = testDef (directory , fileDescription , testDescription , isReactive );
176+ doSkips (testDef );
177+
178+ boolean forceFlaky = testDef .wasAssignedModifier (UnifiedTestModifications .Modifier .FORCE_FLAKY );
179+ boolean retry = forceFlaky || testDef .wasAssignedModifier (UnifiedTestModifications .Modifier .RETRY );
180+
181+ int attempts = retry ? ATTEMPTS : 1 ;
182+ if (forceFlaky ) {
183+ attempts = 10 ;
184+ }
185+
186+ for (int attempt = 1 ; attempt <= attempts ; attempt ++) {
187+ String testName = !retry
188+ ? MessageFormat .format ("{0}: {1}" , fileDescription , testDescription )
189+ : MessageFormat .format (
190+ "{0}: {1} ({2} of {3})" ,
191+ fileDescription , testDescription , attempt , attempts );
192+ data .add (Arguments .of (
193+ testName ,
194+ fileDescription ,
195+ testDescription ,
196+ directory ,
197+ attempt ,
198+ attempts * (forceFlaky ? -1 : 1 ),
199+ fileDocument .getString ("schemaVersion" ).getValue (),
200+ fileDocument .getArray ("runOnRequirements" , null ),
201+ fileDocument .getArray ("createEntities" , new BsonArray ()),
202+ fileDocument .getArray ("initialData" , new BsonArray ()),
203+ testDocument ));
204+ }
165205 }
166206 }
167207 return data ;
168208 }
169209
170- @ NonNull
171- private static Arguments createTestData (
172- final String directory , final BsonDocument fileDocument , final BsonDocument testDocument ) {
173- return Arguments .of (
174- fileDocument .getString ("description" ).getValue (),
175- testDocument .getString ("description" ).getValue (),
176- directory ,
177- fileDocument .getString ("schemaVersion" ).getValue (),
178- fileDocument .getArray ("runOnRequirements" , null ),
179- fileDocument .getArray ("createEntities" , new BsonArray ()),
180- fileDocument .getArray ("initialData" , new BsonArray ()),
181- testDocument );
182- }
183-
184210 protected BsonDocument getDefinition () {
185211 return definition ;
186212 }
@@ -193,9 +219,12 @@ protected BsonDocument getDefinition() {
193219
194220 @ BeforeEach
195221 public void setUp (
222+ final String testName ,
196223 @ Nullable final String fileDescription ,
197224 @ Nullable final String testDescription ,
198225 @ Nullable final String directoryName ,
226+ final int attemptNumber ,
227+ final int totalAttempts ,
199228 final String schemaVersion ,
200229 @ Nullable final BsonArray runOnRequirements ,
201230 final BsonArray entitiesArray ,
@@ -288,8 +317,9 @@ protected void postCleanUp(final TestDef testDef) {
288317 }
289318
290319 /**
291- * This method is called once per {@link #setUp(String, String, String, String, org.bson.BsonArray, org.bson.BsonArray, org.bson.BsonArray, org.bson.BsonDocument)},
292- * unless {@link #setUp(String, String, String, String, org.bson.BsonArray, org.bson.BsonArray, org.bson.BsonArray, org.bson.BsonDocument)} fails unexpectedly.
320+ * This method is called once per
321+ * {@link #setUp(String, String, String, String, int, int, String, org.bson.BsonArray, org.bson.BsonArray, org.bson.BsonArray, org.bson.BsonDocument)}, unless
322+ * {@link #setUp(String, String, String, String, int, int, String, org.bson.BsonArray, org.bson.BsonArray, org.bson.BsonArray, org.bson.BsonDocument)} fails unexpectedly.
293323 */
294324 protected void skips (final String fileDescription , final String testDescription ) {
295325 }
@@ -298,40 +328,58 @@ protected boolean isReactive() {
298328 return false ;
299329 }
300330
301- @ ParameterizedTest (name = "{0}: {1} " )
331+ @ ParameterizedTest (name = "{0}" )
302332 @ MethodSource ("data" )
303333 public void shouldPassAllOutcomes (
334+ final String testName ,
304335 @ Nullable final String fileDescription ,
305336 @ Nullable final String testDescription ,
306337 @ Nullable final String directoryName ,
338+ final int attemptNumber ,
339+ final int totalAttempts ,
307340 final String schemaVersion ,
308341 @ Nullable final BsonArray runOnRequirements ,
309342 final BsonArray entitiesArray ,
310343 final BsonArray initialData ,
311344 final BsonDocument definition ) {
312- BsonArray operations = definition . getArray ( "operations" ) ;
313- for ( int i = 0 ; i < operations . size (); i ++ ) {
314- BsonValue cur = operations . get ( i );
315- assertOperation ( rootContext , cur . asDocument (), i );
345+ boolean forceFlaky = totalAttempts < 0 ;
346+ if (! forceFlaky ) {
347+ assumeFalse ( completed . contains ( testName ), "Skipping retryable test that succeeded" );
348+ completed . add ( testName );
316349 }
350+ try {
351+ BsonArray operations = definition .getArray ("operations" );
352+ for (int i = 0 ; i < operations .size (); i ++) {
353+ BsonValue cur = operations .get (i );
354+ assertOperation (rootContext , cur .asDocument (), i );
355+ }
317356
318- if (definition .containsKey ("outcome" )) {
319- assertOutcome (rootContext );
320- }
357+ if (definition .containsKey ("outcome" )) {
358+ assertOutcome (rootContext );
359+ }
321360
322- if (definition .containsKey ("expectEvents" )) {
323- compareEvents (rootContext , definition );
324- }
361+ if (definition .containsKey ("expectEvents" )) {
362+ compareEvents (rootContext , definition );
363+ }
325364
326- if (definition .containsKey ("expectLogMessages" )) {
327- ArrayList <LogMatcher .Tweak > tweaks = new ArrayList <>(singletonList (
328- // `LogMessage.Entry.Name.OPERATION` is not supported, therefore we skip matching its value
329- LogMatcher .Tweak .skip (LogMessage .Entry .Name .OPERATION )));
330- if (getMongoClientSettings ().getClusterSettings ()
331- .getHosts ().stream ().anyMatch (serverAddress -> serverAddress instanceof UnixServerAddress )) {
332- tweaks .add (LogMatcher .Tweak .skip (LogMessage .Entry .Name .SERVER_PORT ));
365+ if (definition .containsKey ("expectLogMessages" )) {
366+ ArrayList <LogMatcher .Tweak > tweaks = new ArrayList <>(singletonList (
367+ // `LogMessage.Entry.Name.OPERATION` is not supported, therefore we skip matching its value
368+ LogMatcher .Tweak .skip (LogMessage .Entry .Name .OPERATION )));
369+ if (getMongoClientSettings ().getClusterSettings ()
370+ .getHosts ().stream ().anyMatch (serverAddress -> serverAddress instanceof UnixServerAddress )) {
371+ tweaks .add (LogMatcher .Tweak .skip (LogMessage .Entry .Name .SERVER_PORT ));
372+ }
373+ compareLogMessages (rootContext , definition , tweaks );
374+ }
375+ } catch (AssertionFailedError e ) {
376+ completed .remove (testName );
377+ boolean lastAttempt = attemptNumber == Math .abs (totalAttempts );
378+ if (forceFlaky || lastAttempt ) {
379+ throw e ;
380+ } else {
381+ assumeFalse (completed .contains (testName ), "Ignoring failure and retrying attempt " + attemptNumber );
333382 }
334- compareLogMessages (rootContext , definition , tweaks );
335383 }
336384 }
337385
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