NIFI-1657 - Configure travis-ci to run mvn verify in ja_JP, fr_FR, and pt_BR

This closes #1480.

.travis.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+#
+#    Licensed to the Apache Software Foundation (ASF) under one or more
+#    contributor license agreements.  See the NOTICE file distributed with
+#    this work for additional information regarding copyright ownership.
+#    The ASF licenses this file to You 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.
+#
+
+
+# Replace variables seems to be the only option to pass proper values to surefire
+# Note: The reason the sed is done as part of script is to ensure the pom hack 
+# won't affect the 'clean install' above
+set -x 
+if [ "$USER_LANGUAGE" != "default" ]; then
+    sed -i.bak -e "s|<maven\.surefire\.arguments/>|<maven\.surefire\.arguments>-Duser.language=${USER_LANGUAGE} -Duser.region=${USER_REGION}</maven\.surefire\.arguments>|" pom.xml
+    diff pom.xml pom.xml.bak
+    rm pom.xml.bak
+fi

.travis.yml

@@ -15,6 +15,13 @@
 
 language: java
 
+env:
+  - USER_LANGUAGE=en USER_REGION=US'
+  - USER_LANGUAGE=fr USER_REGION=FR'
+  - USER_LANGUAGE=ja USER_REGION=JP'
+  - USER_LANGUAGE=pt USER_REGION=BR'
+  - USER_LANGUAGE=default USER_REGION=default
+
 os:
   - linux
 
@@ -35,10 +42,15 @@ before_install:
   - sed -e "s/^\\(127\\.0\\.0\\.1.*\\)/\\1 $(hostname | cut -c1-63)/" /etc/hosts | sudo tee /etc/hosts
   - sed -i.bak -e 's|https://nexus.codehaus.org/snapshots/|https://oss.sonatype.org/content/repositories/codehaus-snapshots/|g' ~/.m2/settings.xml
   - echo "MAVEN_OPTS='-Xmx2g -XX:+UseG1GC'" > ~/.mavenrc
-  - mvn apache-rat:check
+  - cat ~/.mavenrc
+  - mvn -q apache-rat:check
 
 install:
   - mvn -q -T 2C -DskipTests=true -Pdir-only clean install
 
 script:
+  # Replace variables seems to be the only option to pass proper values to surefire
+  # Note: The reason the sed is done as part of script is to ensure the pom hack 
+  # won't affect the 'clean install' above
+  - bash .travis.sh
   - mvn -Pcontrib-check verify

pom.xml

@@ -87,6 +87,7 @@ language governing permissions and limitations under the License. -->
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.min-version>3.1.0</maven.min-version>
+        <maven.surefire.arguments/>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <inceptionYear>2014</inceptionYear>
@@ -1503,7 +1504,7 @@ language governing permissions and limitations under the License. -->
                             <include>**/*Spec.class</include>
                         </includes>
                         <redirectTestOutputToFile>true</redirectTestOutputToFile>
-                        <argLine combine.children="append">-Xmx1G -Djava.net.preferIPv4Stack=true</argLine>
+                        <argLine combine.children="append">-Xmx1G -Djava.net.preferIPv4Stack=true ${maven.surefire.arguments}</argLine>
                     </configuration>
                     <dependencies>
                         <dependency>