Merge pull request #422 from meilisearch/code-cov

Add code-coverage tool (jacoco)

Author: alallema

.gitignore

@@ -61,3 +61,6 @@ atlassian-ide-plugin.xml
 
 *.gpg
 secring*
+
+# coverage output
+tmp/coverage

build.gradle

@@ -11,6 +11,7 @@ plugins {
 	id 'java-library'
 	id 'maven-publish'
 	id 'signing'
+	id 'jacoco'
 	id 'io.codearte.nexus-staging' version '0.30.0'
 	id "com.diffplug.spotless" version "6.5.2"
 }
@@ -24,6 +25,11 @@ java {
 	targetCompatibility = JavaVersion.VERSION_1_8
 }
 
+jacoco {
+  toolVersion = "0.8.8"
+  reportsDir = file("$projectDir/tmp/coverage")
+}
+
 repositories {
 	mavenCentral() // Required for Lombok dependency
 	jcenter()
@@ -78,6 +84,7 @@ task buildJar(type: Jar) {
 }
 
 test {
+	finalizedBy jacocoTestReport
 	useJUnitPlatform {
 		excludeTags('integration')
 	}
@@ -86,6 +93,10 @@ test {
 	}
 }
 
+jacocoTestReport {
+	dependsOn test
+}
+
 task integrationTest(type: Test) {
 	useJUnitPlatform {
 		includeTags('integration')