Add JRuby test targets for JRuby 9.2.x and 9.3.x.

Standardize on JRuby 9.2.19.0 for building and for testing the 9.2.x branch.

kokoro/linux/jruby92/build.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+#
+# This is the top-level script we give to Kokoro as the entry point for
+# running the "pull request" project:
+#
+# This script selects a specific Dockerfile (for building a Docker image) and
+# a script to run inside that image.  Then we delegate to the general
+# build_and_run_docker.sh script.
+
+# Change to repo root
+cd $(dirname $0)/../../..
+
+export DOCKERHUB_ORGANIZATION=protobuftesting
+export DOCKERFILE_DIR=kokoro/linux/dockerfile/test/ruby
+export DOCKER_RUN_SCRIPT=kokoro/linux/pull_request_in_docker.sh
+export OUTPUT_DIR=testoutput
+export TEST_SET="jruby92"
+./kokoro/linux/build_and_run_docker.sh

kokoro/linux/jruby92/continuous.cfg

@@ -0,0 +1,11 @@
+# Config file for running tests in Kokoro
+
+# Location of the build script in repository
+build_file: "protobuf/kokoro/linux/jruby92/build.sh"
+timeout_mins: 120
+
+action {
+  define_artifacts {
+    regex: "**/sponge_log.xml"
+  }
+}

kokoro/linux/jruby92/presubmit.cfg

@@ -0,0 +1,11 @@
+# Config file for running tests in Kokoro
+
+# Location of the build script in repository
+build_file: "protobuf/kokoro/linux/jruby92/build.sh"
+timeout_mins: 120
+
+action {
+  define_artifacts {
+    regex: "**/sponge_log.xml"
+  }
+}

kokoro/linux/jruby93/build.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+#
+# This is the top-level script we give to Kokoro as the entry point for
+# running the "pull request" project:
+#
+# This script selects a specific Dockerfile (for building a Docker image) and
+# a script to run inside that image.  Then we delegate to the general
+# build_and_run_docker.sh script.
+
+# Change to repo root
+cd $(dirname $0)/../../..
+
+export DOCKERHUB_ORGANIZATION=protobuftesting
+export DOCKERFILE_DIR=kokoro/linux/dockerfile/test/ruby
+export DOCKER_RUN_SCRIPT=kokoro/linux/pull_request_in_docker.sh
+export OUTPUT_DIR=testoutput
+export TEST_SET="jruby93"
+./kokoro/linux/build_and_run_docker.sh

kokoro/linux/jruby93/continuous.cfg

@@ -0,0 +1,11 @@
+# Config file for running tests in Kokoro
+
+# Location of the build script in repository
+build_file: "protobuf/kokoro/linux/jruby93/build.sh"
+timeout_mins: 120
+
+action {
+  define_artifacts {
+    regex: "**/sponge_log.xml"
+  }
+}

kokoro/linux/jruby93/presubmit.cfg

@@ -0,0 +1,11 @@
+# Config file for running tests in Kokoro
+
+# Location of the build script in repository
+build_file: "protobuf/kokoro/linux/jruby93/build.sh"
+timeout_mins: 120
+
+action {
+  define_artifacts {
+    regex: "**/sponge_log.xml"
+  }
+}

ruby/pom.xml

@@ -81,7 +81,7 @@
         <dependency>
             <groupId>org.jruby</groupId>
             <artifactId>jruby-complete</artifactId>
-            <version>9.2.11.1</version>
+            <version>9.2.19.0</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>

ruby/travis-test.sh

@@ -8,7 +8,7 @@ test_version() {
 
   RUBY_CONFORMANCE=test_ruby
 
-  if [ "$version" == "jruby-9.2.11.1" ] ; then
+  if [[ $version == jruby-9* ] ; then
     bash --login -c \
       "rvm install $version && rvm use $version && rvm get head && \
        which ruby && \

tests.sh

@@ -452,10 +452,16 @@ build_ruby30() {
   cd ruby && bash travis-test.sh ruby-3.0.2 && cd ..
 }
 
-build_jruby() {
+build_jruby92() {
   internal_build_cpp                # For conformance tests.
   internal_build_java jdk8 && cd .. # For Maven protobuf jar with local changes
-  cd ruby && bash travis-test.sh jruby-9.2.11.1 && cd ..
+  cd ruby && bash travis-test.sh jruby-9.2.19.0 && cd ..
+}
+
+build_jruby93() {
+  internal_build_cpp                # For conformance tests.
+  internal_build_java jdk8 && cd .. # For Maven protobuf jar with local changes
+  cd ruby && bash travis-test.sh jruby-9.3.0.0 && cd ..
 }
 
 build_javascript() {
@@ -610,7 +616,8 @@ Usage: $0 { cpp |
             ruby26 |
             ruby27 |
             ruby30 |
-            jruby |
+            jruby92 |
+            jruby93 |
             ruby_all |
             php_all |
             php_all_32 |