Capture test coverage and add an aggregate test coverage report

Configure Maven build to capture test coverage using jacoco.

Add new org.eclipse.jgit.coverage Maven module to aggregate
jacoco test coverage results and generate test coverage HTML report at

org.eclipse.jgit.coverage/target/site/jacoco-aggregate/index.html

See https://www.eclemma.org/jacoco/trunk/doc/maven.html

Change-Id: Iaeec4033e448ebc16965c05ab54109c4155a307a
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

6 files changed, 181 insertions, 0 deletions

diff --git a/org.eclipse.jgit.coverage/.classpath b/org.eclipse.jgit.coverage/.classpath
new file mode 100644
index 0000000000..248406be38
--- /dev/null
+++ b/org.eclipse.jgit.coverage/.classpath
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>
diff --git a/org.eclipse.jgit.coverage/.gitignore b/org.eclipse.jgit.coverage/.gitignore
new file mode 100644
index 0000000000..b83d22266a
--- /dev/null
+++ b/org.eclipse.jgit.coverage/.gitignore
@@ -0,0 +1 @@
+/target/
diff --git a/org.eclipse.jgit.coverage/.project b/org.eclipse.jgit.coverage/.project
new file mode 100644
index 0000000000..6306b5ce06
--- /dev/null
+++ b/org.eclipse.jgit.coverage/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.jgit.coverage</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>
diff --git a/org.eclipse.jgit.coverage/.settings/org.eclipse.core.resources.prefs b/org.eclipse.jgit.coverage/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000000..99f26c0203
--- /dev/null
+++ b/org.eclipse.jgit.coverage/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/org.eclipse.jgit.coverage/.settings/org.eclipse.m2e.core.prefs b/org.eclipse.jgit.coverage/.settings/org.eclipse.m2e.core.prefs
new file mode 100644
index 0000000000..f897a7f1cb
--- /dev/null
+++ b/org.eclipse.jgit.coverage/.settings/org.eclipse.m2e.core.prefs
@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1
diff --git a/org.eclipse.jgit.coverage/pom.xml b/org.eclipse.jgit.coverage/pom.xml
new file mode 100644
index 0000000000..c908cfcb39
--- /dev/null
+++ b/org.eclipse.jgit.coverage/pom.xml
@@ -0,0 +1,143 @@
+<?xml version="1.0"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <parent>
+    <groupId>org.eclipse.jgit</groupId>
+    <artifactId>org.eclipse.jgit-parent</artifactId>
+    <version>5.3.0-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>org.eclipse.jgit.coverage</artifactId>
+  <packaging>pom</packaging>
+
+  <name>JGit - Test Coverage</name>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.ant</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.archive</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.http.apache</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.http.server</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.lfs</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.lfs.server</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.pgm</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.ui</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.ssh.apache</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.test</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.ant.test</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.http.test</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.pgm.test</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.lfs.test</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.lfs.server.test</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jgit</groupId>
+      <artifactId>org.eclipse.jgit.ssh.apache.test</artifactId>
+      <version>5.3.0-SNAPSHOT</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>aggregate-reports-all</id>
+            <phase>verify</phase>
+            <goals>
+              <goal>report-aggregate</goal>
+            </goals>
+            <configuration>
+              <title>JGit Test Coverage </title>
+              <outputDirectory>${project.reporting.outputDirectory}/jacoco-aggregate</outputDirectory>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+  <reporting>
+    <plugins>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <reportSets>
+          <reportSet>
+            <id>aggregate</id>
+            <reports>
+              <report>report-aggregate</report>
+            </reports>
+          </reportSet>
+        </reportSets>
+      </plugin>
+    </plugins>
+  </reporting>
+</project>