infra: add ITs placeholder

Author: romani

.ci/travis.sh

@@ -5,13 +5,17 @@ set -euo pipefail
 case "$1" in
 
 install)
+  mvn -e clean install
+  ;;
+
+integration-tests)
   SONAR_APP_VERSION="7.9.2"
   if [[ ! -f ~/.m2/sonar-application-$SONAR_APP_VERSION.zip ]]; then
     URL="https://repox.jfrog.io/repox/sonarsource/org/sonarsource/sonarqube/"
     URL=$URL"sonar-application/$SONAR_APP_VERSION/sonar-application-$SONAR_APP_VERSION.zip"
     wget $URL -O ~/.m2/sonar-application-$SONAR_APP_VERSION.zip
   fi
-  mvn -e clean install
+  mvn -e integration-test -DskipITs=false
   ;;
 
 nondex)

.travis.yml

@@ -22,10 +22,11 @@ branches:
 matrix:
   fast_finish: true
   include:
-    # verify
     - jdk: openjdk8
       env: CMD="./.ci/travis.sh install"
 
-    # package
+    - jdk: openjdk8
+      env: CMD="./.ci/travis.sh integration-tests"
+
     - jdk: openjdk8
       env: CMD="./.ci/travis.sh nondex"

pom.xml

@@ -106,6 +106,8 @@
     </maven.sevntu.checkstyle.plugin.checkstyle.version>
     <java.version>1.8</java.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <!-- we disable ITs by default as it need download of 200MB sonar application jar -->
+    <skipITs>true</skipITs>
   </properties>
 
   <dependencies>
@@ -287,6 +289,25 @@
           <target>${java.version}</target>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <version>3.0.0</version>
+        <executions>
+          <execution>
+            <id>add-test-source</id>
+            <phase>generate-test-sources</phase>
+            <goals>
+              <goal>add-test-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>src/it/java</source>
+              </sources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>
@@ -299,6 +320,30 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
         <version>2.22.1</version>
+        <configuration>
+          <includes>
+            <include>org/sonar/**/*.java</include>
+          </includes>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-failsafe-plugin</artifactId>
+        <version>2.22.2</version>
+        <configuration>
+          <skipITs>${skipITs}</skipITs>
+          <includes>
+            <include>org/checkstyle/**/*.java</include>
+          </includes>
+        </configuration>
+        <executions>
+          <execution>
+            <goals>
+              <goal>integration-test</goal>
+              <goal>verify</goal>
+            </goals>
+          </execution>
+        </executions>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>

src/it/java/org/checkstyle/plugins/sonar/CheckJarTest.java

@@ -0,0 +1,16 @@
+package org.checkstyle.plugins.sonar;
+
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+
+import org.junit.Test;
+
+public class CheckJarTest {
+
+    @Test
+    public void testJarPresence() {
+        assertTrue("Jar should exists",
+                new File("target/checkstyle-sonar-plugin-4.28-SNAPSHOT.jar").exists());
+    }
+}