From 09fd494836c91d5c2531f9010b0f04f1ff9d27f3 Mon Sep 17 00:00:00 2001
From: Jim Schubert <james.schubert@gmail.com>
Date: Thu, 23 Jan 2020 23:46:07 -0500
Subject: [PATCH] Adds jacoco for code coverage (#5084)

* Adds jacoco for code coverage

This sets up jacoco instrumentation for code coverage. Preparing for
master and PR coverage reporting via sonarcloud.

* Set initial required coverage to 0
---
 pom.xml | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 58 insertions(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index c4fb85ca131..2bfd23742cf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -150,6 +150,52 @@
                     </dependency>
                 </dependencies>
             </plugin>-->
+            <!-- https://www.jacoco.org/jacoco/trunk/doc/maven.html -->
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>${jacoco.version}</version>
+                <executions>
+                    <execution>
+                        <id>jacoco-initialize</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>jacoco-site</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>default-check</id>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                        <configuration>
+                            <rules>
+                                <rule>
+                                    <element>PACKAGE</element>
+                                    <limits>
+                                        <limit>
+                                            <counter>LINE</counter>
+                                            <value>COVEREDRATIO</value>
+                                            <minimum>0</minimum>
+                                        </limit>
+                                    </limits>
+                                </rule>
+                            </rules>
+                        </configuration>
+                    </execution>
+                </executions>
+                <configuration>
+                    <excludes>
+                        <exclude>**/gradle-wrapper.jar</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
@@ -159,8 +205,18 @@
                     <useSystemClassLoader>false</useSystemClassLoader>
                     <junitArtifactName>none:none</junitArtifactName>
                     <testNGArtifactName>org.testng:testng</testNGArtifactName>
-                    <argLine>-XX:+StartAttachListener</argLine>
+                    <argLine>@{argLine} -XX:+StartAttachListener</argLine>
                 </configuration>
+                <dependencies>
+                    <dependency>
+                        <!--  must be on the classpath for test instrumentation  -->
+                        <groupId>org.jacoco</groupId>
+                        <artifactId>org.jacoco.agent</artifactId>
+                        <classifier>runtime</classifier>
+                        <version>${jacoco.version}</version>
+                        <scope>runtime</scope>
+                    </dependency>
+                </dependencies>
             </plugin>
             <plugin>
                 <artifactId>maven-dependency-plugin</artifactId>
@@ -1407,5 +1463,6 @@
         <surefire-version>3.0.0-M3</surefire-version>
         <reflections-version>0.9.10</reflections-version>
         <mockito-version>3.2.0</mockito-version>
+        <jacoco.version>0.8.5</jacoco.version>
     </properties>
 </project>