From 5e9f51cb1437b4c51bdb95960e36715d9c9f9112 Mon Sep 17 00:00:00 2001
From: Rishav Sharan <rishav.sharan@microsoft.com>
Date: Mon, 26 Nov 2018 20:00:36 +0530
Subject: [PATCH] Adding code coverage for Maven and Gradle projects (#3)

* Added Code Coverage

* Adding CC to Yaml

* Added Jacoco plugin to build file

* Added Jacoco plugin to build file 2

* Added Jacoco plugin to build file 3

* Added Jacoco plugin to build file 4

* Added Jacoco plugin to build file 5

* Added Jacoco plugin to build file 7

* Added Jacoco based code cov for Maven and Gradle

* Removing the JacocoRpeort bit from yaml
---
 .gitignore                                 |  5 +++
 azure-pipelines.Gradle.yml                 |  8 +++++
 azure-pipelines.yml                        |  8 +++++
 build.gradle                               | 12 +++++++
 pom.xml                                    | 41 ++++++++++++++++++++++
 src/main/java/com/microsoft/demo/Demo.java | 12 +++++++
 src/test/java/MyTest.java                  |  5 ++-
 7 files changed, 90 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/com/microsoft/demo/Demo.java

diff --git a/.gitignore b/.gitignore
index 0adb93e6a..cdfca4bd3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,8 @@
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+
+.idea/
+
+*.iml
+target/
diff --git a/azure-pipelines.Gradle.yml b/azure-pipelines.Gradle.yml
index ee7ed4ad8..beaaf09de 100644
--- a/azure-pipelines.Gradle.yml
+++ b/azure-pipelines.Gradle.yml
@@ -19,6 +19,14 @@ steps:
     testResultsFiles: '**/TEST-*.xml'
     tasks: 'build'
 
+# Publish Cobertura or JaCoCo code coverage results from a build
+- task: PublishCodeCoverageResults@1
+  inputs:
+    codeCoverageTool: 'JaCoCo' 
+    summaryFileLocation: '$(System.DefaultWorkingDirectory)/**/reports/code-cov-report.xml'
+    reportDirectory: '$(System.DefaultWorkingDirectory)/**/reports/code-cov-report.html'
+    failIfCoverageEmpty: true
+    
 - task: CopyFiles@2
   inputs:
     contents: '**/helloworld*.jar'
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f56977e54..8cf79b32b 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -18,6 +18,14 @@ steps:
     testResultsFiles: '**/TEST-*.xml'
     goals: 'package'
 
+# Publish Cobertura or JaCoCo code coverage results from a build
+- task: PublishCodeCoverageResults@1
+  inputs:
+    codeCoverageTool: 'JaCoCo' 
+    summaryFileLocation: '$(System.DefaultWorkingDirectory)/**/site/jacoco/jacoco.xml'
+    reportDirectory: '$(System.DefaultWorkingDirectory)/**/site/jacoco'
+    failIfCoverageEmpty: true
+
 - task: CopyFiles@2
   inputs:
     contents: '**/*.war'
diff --git a/build.gradle b/build.gradle
index b34729bfd..8c0476fe2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,6 @@
 apply plugin: 'java'
 apply plugin: 'maven'
+apply plugin: 'jacoco'
 
 group = 'helloworld'
 version = '1.0-SNAPSHOT'
@@ -16,3 +17,14 @@ repositories {
 dependencies {
     testCompile group: 'junit', name: 'junit', version:'4.11'
 }
+
+jacocoTestReport {
+    reports {
+        xml.enabled true
+        xml.destination "${buildDir}/reports/code-cov-report.xml"
+        html.enabled true
+        html.destination "${buildDir}/reports/code-cov-report.html"
+    }
+}
+
+check.dependsOn jacocoTestReport
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 0aa66b65c..310949ae8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,6 +19,47 @@
 
   <build>
     <finalName>helloworld</finalName>
+
+    <plugins>
+      <plugin>
+				<groupId>org.jacoco</groupId>
+				<artifactId>jacoco-maven-plugin</artifactId>
+				<version>0.8.2</version>
+				<executions>
+					<execution>
+						<id>prepare-agent</id>
+						<goals>
+							<goal>prepare-agent</goal>
+						</goals>
+					</execution>
+					<execution>
+						<id>report</id>
+						<phase>prepare-package</phase>
+						<goals>
+							<goal>report</goal>
+						</goals>
+					</execution>
+					<execution>
+						<id>post-unit-test</id>
+						<phase>test</phase>
+						<goals>
+							<goal>report</goal>
+						</goals>
+						<configuration>
+							<!-- Sets the path to the file which contains the execution data. -->
+							<dataFile>target/jacoco.exec</dataFile>
+							<!-- Sets the output directory for the code coverage report. -->
+							<outputDirectory>target/jacoco-ut</outputDirectory>
+						</configuration>
+					</execution>
+				</executions>
+				<configuration>
+					<systemPropertyVariables>
+						<jacoco-agent.destfile>target/jacoco.exec</jacoco-agent.destfile>
+					</systemPropertyVariables>
+				</configuration>
+			</plugin>
+    </plugins>
   </build>
 
   <properties>
diff --git a/src/main/java/com/microsoft/demo/Demo.java b/src/main/java/com/microsoft/demo/Demo.java
new file mode 100644
index 000000000..3ab319fe3
--- /dev/null
+++ b/src/main/java/com/microsoft/demo/Demo.java
@@ -0,0 +1,12 @@
+package com.microsoft.demo;
+
+public class Demo {
+    public void DoSomething(boolean flag){
+        if(flag){
+            System.out.println("I am covered");
+            return;
+        }
+
+        System.out.println("I am not covered");
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/MyTest.java b/src/test/java/MyTest.java
index 62ee40e00..9e1d2abed 100644
--- a/src/test/java/MyTest.java
+++ b/src/test/java/MyTest.java
@@ -1,8 +1,11 @@
-import org.junit.*;
+import com.microsoft.demo.Demo;
+import org.junit.Test;
 
 public class MyTest {
     @Test
     public void test_method_1() {
+        Demo d = new Demo();
+        d.DoSomething(true);
     }
 
     @Test