Draft: Resolve "Add coverage"

Closes #29 (closed)

ragconnect.tests/build.gradle

@@ -22,6 +22,7 @@ plugins {
     id 'idea'
     id 'com.github.ben-manes.versions' version '0.36.0'
     id 'com.google.protobuf' version "0.8.14"
+    id 'jacoco'
 }
 
 apply plugin: 'jastadd'
@@ -83,6 +84,17 @@ protobuf {
     }
 }
 
+jacocoTestReport {
+    executionData tasks.withType(Test).findAll { it.state.executed }
+    getExecutionData().setFrom(fileTree(buildDir).include("/jacoco/*.exec"))
+
+    reports {
+        xml.enabled true
+        xml.destination(file("${jacoco.reportsDir}/all-tests/jacocoAllTestReport.xml"))
+        html.enabled false
+    }
+}
+
 task allTests(type: Test, dependsOn: testClasses) {
     description = 'Run every test'
     group = 'verification'