Improve Netty test variants

* Only run driver-core and driver-reactive-streams test suites, each in its
  own task (as we do in other variants).
* Use Netty configuration in all unified reactive tests, increasing coverage of Netty in
  driver-reactive-streams

JAVA-5887

Author: jyemin

.evergreen/.evg.yml

@@ -458,6 +458,7 @@ functions:
 
           export CRYPT_SHARED_LIB_PATH=${CRYPT_SHARED_LIB_PATH}
 
+          ASYNC_TRANSPORT="${ASYNC_TRANSPORT}" NETTY_SSL_PROVIDER="${NETTY_SSL_PROVIDER}" \
           AUTH="${AUTH}" SSL="${SSL}" MONGODB_URI="${MONGODB_URI}" TOPOLOGY="${TOPOLOGY}" \
           COMPRESSOR="${COMPRESSOR}" JAVA_VERSION="${JAVA_VERSION}" REQUIRE_API_VERSION=${REQUIRE_API_VERSION} \
           TESTS="${TESTS}" .evergreen/run-tests.sh
@@ -533,19 +534,7 @@ functions:
           ${PREPARE_SHELL}
           AUTH="${AUTH}" MONGODB_URI="${MONGODB_URI}" TOPOLOGY="${TOPOLOGY}" COMPRESSOR="${COMPRESSOR}" JAVA_VERSION="${JAVA_VERSION}" .evergreen/run-socket-tests.sh
 
-  "run-netty-tests":
-    - command: shell.exec
-      type: "test"
-      params:
-        working_dir: "src"
-        script: |
-          ${PREPARE_SHELL}
-          STREAM_TYPE="netty" AUTH="${AUTH}" SSL="${SSL}" NETTY_SSL_PROVIDER="${NETTY_SSL_PROVIDER}" MONGODB_URI="${MONGODB_URI}" \
-           TOPOLOGY="${TOPOLOGY}" COMPRESSOR="${COMPRESSOR}" JAVA_VERSION="${JAVA_VERSION}" \
-           AZUREKMS_KEY_VAULT_ENDPOINT=${testazurekms_keyvaultendpoint} AZUREKMS_KEY_NAME=${testazurekms_keyname} \
-           .evergreen/run-tests.sh
-
-  "run-plain-auth-test":
+  "run plain auth test":
     - command: shell.exec
       type: "test"
       params:
@@ -1552,11 +1541,6 @@ tasks:
       - func: "start-mongo-orchestration"
       - func: "run-socket-tests"
 
-  - name: "netty-test-task"
-    commands:
-      - func: "start-mongo-orchestration"
-      - func: "run-netty-tests"
-
   - name: "publish-snapshot-task"
     depends_on:
       - variant: "static-checks"
@@ -1850,6 +1834,14 @@ axes:
         variables:
           SSL: "nossl"
 
+  - id: async_transport
+    display_name: Async Transport
+    values:
+      - id: "netty"
+        display_name: Netty
+        variables:
+          ASYNC_TRANSPORT: "netty"
+
   - id: "netty-ssl-provider"
     display_name: "Netty TLS/SSL protocol provider"
     values:
@@ -2467,18 +2459,22 @@ buildvariants:
       - name: "socket-test-task"
 
   - matrix_name: "tests-netty"
-    matrix_spec: { auth: "noauth", ssl: "*", jdk: "jdk8", version: [ "7.0" ], topology: "replicaset", os: "linux" }
+    matrix_spec: { auth: "noauth", ssl: "*", jdk: "jdk8", version: ["7.0"], topology: "replicaset", os: "linux",
+                   async_transport: "netty" }
     display_name: "Netty: ${version} ${topology} ${ssl} ${auth} ${jdk} ${os} "
-    tags: [ "tests-netty-variant" ]
+    tags: ["tests-netty-variant"]
     tasks:
-      - name: "netty-test-task"
+      - name: "test-reactive"
+      - name: "test-core"
 
   - matrix_name: "tests-netty-ssl-provider"
-    matrix_spec: { netty-ssl-provider: "*", auth: "auth", ssl: "ssl", jdk: "jdk8", version: [ "7.0" ], topology: "replicaset", os: "linux" }
+    matrix_spec: { auth: "auth", ssl: "ssl", jdk: "jdk8", version: [ "7.0" ], topology: "replicaset", os: "linux",
+                   async_transport: "netty", netty-ssl-provider: "*" }
     display_name: "Netty SSL provider: ${version} ${topology} ${ssl} SslProvider.${netty-ssl-provider} ${auth} ${jdk} ${os} "
-    tags: [ "tests-netty-variant" ]
+    tags: ["tests-netty-variant"]
     tasks:
-      - name: "netty-test-task"
+      - name: "test-reactive"
+      - name: "test-core"
 
   - matrix_name: "tests-socket-snappy-compression"
     matrix_spec: { compressor: "snappy", auth: "noauth", ssl: "nossl", jdk: "jdk8", version: [ "4.2" ], topology: "standalone", os: "linux" }

.evergreen/run-tests.sh

@@ -6,12 +6,12 @@ set -o errexit  # Exit the script with error if any of the commands fail
 # Supported/used environment variables:
 #   AUTH                                 Set to enable authentication. Values are: "auth" / "noauth" (default)
 #   SSL                                  Set to enable SSL. Values are "ssl" / "nossl" (default)
-#   NETTY_SSL_PROVIDER                   The Netty TLS/SSL protocol provider. Ignored unless SSL is "ssl" and STREAM_TYPE is "netty". Values are "JDK", "OPENSSL", null (a.k.a. "" or '') (default).
+#   NETTY_SSL_PROVIDER                   The Netty TLS/SSL protocol provider. Ignored unless SSL is "ssl" and ASYNC_TRANSPORT is "netty". Values are "JDK", "OPENSSL", null (a.k.a. "" or '') (default).
 #   MONGODB_URI                          Set the suggested connection MONGODB_URI (including credentials and topology info)
 #   TOPOLOGY                             Allows you to modify variables and the MONGODB_URI based on test topology
 #                                        Supported values: "server", "replica_set", "sharded_cluster"
 #   COMPRESSOR                           Set to enable compression. Values are "snappy" and "zlib" (default is no compression)
-#   STREAM_TYPE                          Set the stream type.  Values are "nio2" or "netty".  Defaults to "nio2".
+#   ASYNC_TRANSPORT                      Set the async transport.  Values are "nio2" or "netty".
 #   JDK                                  Set the version of java to be used.  Java versions can be set from the java toolchain /opt/java
 #   SLOW_TESTS_ONLY                      Set to true to only run the slow tests
 #   AWS_ACCESS_KEY_ID                    The AWS access key identifier for client-side encryption
@@ -34,13 +34,14 @@ SSL=${SSL:-nossl}
 MONGODB_URI=${MONGODB_URI:-}
 TOPOLOGY=${TOPOLOGY:-server}
 COMPRESSOR=${COMPRESSOR:-}
-STREAM_TYPE=${STREAM_TYPE:-nio2}
 TESTS=${TESTS:-test}
 SLOW_TESTS_ONLY=${SLOW_TESTS_ONLY:-false}
 
-export ASYNC_TYPE="-Dorg.mongodb.test.async.type=${STREAM_TYPE}"
+if [ "${ASYNC_TRANSPORT}" != "" ]; then
+  readonly JAVA_SYSPROP_ASYNC_TRANSPORT="-Dorg.mongodb.test.async.transport=${ASYNC_TRANSPORT}"
+fi
 
-if [ "${SSL}" = "ssl" ] && [ "${STREAM_TYPE}" = "netty" ] && [ "${NETTY_SSL_PROVIDER}" != "" ]; then
+if [ "${SSL}" = "ssl" ] && [ "${ASYNC_TRANSPORT}" = "netty" ] && [ "${NETTY_SSL_PROVIDER}" != "" ]; then
   readonly JAVA_SYSPROP_NETTY_SSL_PROVIDER="-Dorg.mongodb.test.netty.ssl.provider=${NETTY_SSL_PROVIDER}"
 fi
 
@@ -128,7 +129,7 @@ echo "Running tests with Java ${JAVA_VERSION}"
 ./gradlew -version
 
 ./gradlew -PjavaVersion=${JAVA_VERSION} -Dorg.mongodb.test.uri=${MONGODB_URI} \
-          ${MULTI_MONGOS_URI_SYSTEM_PROPERTY} ${API_VERSION} ${GRADLE_EXTRA_VARS} ${ASYNC_TYPE} \
-          ${JAVA_SYSPROP_NETTY_SSL_PROVIDER} \
+          ${MULTI_MONGOS_URI_SYSTEM_PROPERTY} ${API_VERSION} ${GRADLE_EXTRA_VARS} \
+          ${JAVA_SYSPROP_ASYNC_TRANSPORT}  ${JAVA_SYSPROP_NETTY_SSL_PROVIDER} \
           -Dorg.mongodb.test.fle.on.demand.credential.test.failure.enabled=true \
           --stacktrace --info --continue ${TESTS}

driver-core/src/test/functional/com/mongodb/ClusterFixture.java

@@ -520,9 +520,9 @@ public static StreamFactory getAsyncStreamFactory() {
 
     @Nullable
     public static TransportSettings getOverriddenTransportSettings() {
-        String streamType = System.getProperty("org.mongodb.test.async.type", "nio2");
+        String asyncTransport = System.getProperty("org.mongodb.test.async.transport", "nio2");
 
-        if (nettyTransportSettings == null && streamType.equals("netty")) {
+        if (nettyTransportSettings == null && asyncTransport.equals("netty")) {
             NettyTransportSettings.Builder builder = TransportSettings.nettyBuilder();
             String sslProvider = System.getProperty("org.mongodb.test.netty.ssl.provider");
             if (sslProvider != null) {

driver-reactive-streams/src/test/functional/com/mongodb/reactivestreams/client/unified/ClientSideOperationTimeoutTest.java

@@ -16,13 +16,7 @@
 
 package com.mongodb.reactivestreams.client.unified;
 
-import com.mongodb.ClusterFixture;
-import com.mongodb.MongoClientSettings;
-import com.mongodb.client.MongoClient;
-import com.mongodb.connection.TransportSettings;
 import com.mongodb.lang.Nullable;
-import com.mongodb.reactivestreams.client.MongoClients;
-import com.mongodb.reactivestreams.client.syncadapter.SyncMongoClient;
 import org.bson.BsonArray;
 import org.bson.BsonDocument;
 import org.junit.jupiter.api.AfterEach;
@@ -138,13 +132,6 @@ public void shouldPassAllOutcomes(
         }
         assertNoDroppedError(format("%s passed but there was a dropped error; `onError` called with no handler.", testDescription));
     }
-    @Override
-    protected MongoClient createMongoClient(final MongoClientSettings settings) {
-        TransportSettings overriddenTransportSettings = ClusterFixture.getOverriddenTransportSettings();
-        MongoClientSettings clientSettings = overriddenTransportSettings == null ? settings
-                : MongoClientSettings.builder(settings).transportSettings(overriddenTransportSettings).build();
-        return new SyncMongoClient(MongoClients.create(clientSettings));
-    }
 
     @AfterEach
     public void cleanUp() {

driver-reactive-streams/src/test/functional/com/mongodb/reactivestreams/client/unified/UnifiedReactiveStreamsTest.java

@@ -24,6 +24,7 @@
 import com.mongodb.client.unified.UnifiedTest;
 import com.mongodb.client.unified.UnifiedTestModifications;
 import com.mongodb.client.vault.ClientEncryption;
+import com.mongodb.connection.TransportSettings;
 import com.mongodb.lang.NonNull;
 import com.mongodb.reactivestreams.client.MongoClients;
 import com.mongodb.reactivestreams.client.gridfs.GridFSBuckets;
@@ -36,6 +37,7 @@
 
 import java.util.Collection;
 
+import static com.mongodb.ClusterFixture.getOverriddenTransportSettings;
 import static com.mongodb.client.unified.UnifiedTestModifications.Modifier;
 import static com.mongodb.client.unified.UnifiedTestModifications.TestDef;
 import static com.mongodb.reactivestreams.client.syncadapter.SyncMongoClient.disableSleep;
@@ -50,7 +52,10 @@ protected UnifiedReactiveStreamsTest() {
 
     @Override
     protected MongoClient createMongoClient(final MongoClientSettings settings) {
-        return new SyncMongoClient(MongoClients.create(settings));
+        TransportSettings overriddenTransportSettings = getOverriddenTransportSettings();
+        MongoClientSettings clientSettings = overriddenTransportSettings == null ? settings
+                : MongoClientSettings.builder(settings).transportSettings(overriddenTransportSettings).build();
+        return new SyncMongoClient(MongoClients.create(clientSettings));
     }
 
     @Override