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JaCoCo는 Java 로 작성된 Code 의 Coverage를 구현하는 데에 사용되는 오픈 소스 라이브러리로 Java, Android 프로젝트에서 Code Coverage 를 측정하는데 사용 한다.
과거 EMMA 라는 Coda Coverage 측정 라이브러리의 업데이트가 중단 된 이후에 EclEmma 이클립스 프로젝트에서 EMMA의 대안으로 개발된 라이브러리다.
JacCoCo 는 일반적으로 측정하는 Line, Branch Code Coverage 외에 특이하게도 Method Coverage 를 제공한다.
Code Coverage : Line, Branch + Method Coverage 측정 가능
JacCoCo 로 Code Coverage 를 측정 하기 위한 Gradle Build, Maven Pom 파일 설정은 아래 내용을 참고하여 구성하면 된다.
Maven Goal 설명
- gradlew jacocoTestReport ⇒ Unit 테스트 실행 후 JaCoCo Code Coverage 측정
task jacocoTestReport(type: JacocoReport, dependsOn: "testDebugUnitTest") {
group = "Reporting"
description = "Generate Jacoco coverage reports"
classDirectories = fileTree(
dir: "${project.buildDir}/intermediates/classes/debug/ml/jjeaby/",
includes: [
'**/**/*',
],
excludes: ['**/ApplicationModule.class',
'**/ReceptionApplication.class',
'**/ObjectGraphWrapper.class',
'**/R.class',
'**/R$*.class',
'**/*$ViewInjector*.*',
'**/*$ModuleAdapter*.*',
'**/*$InjectAdapter*.*',
'**/*$ViewBinder*.*',
'**/BuildConfig.*',
'**/Manifest*.*']
)
def coverageSourceDirs = ["../app/src/main/java"]
additionalSourceDirs = files(coverageSourceDirs)
sourceDirectories = files(coverageSourceDirs)
executionData = files("${project.buildDir}/jacoco/testDebugUnitTest.exec")
reports {
xml {
enabled true
destination "${project.buildDir}/reports/jacoco/jacoco.xml"
}
csv.enabled false
html {
enabled true
destination "${project.buildDir}/reports/jacoco/html"
}
}
}
Maven Goal 설명
- mvn integration-test ⇒ Unit, Gui 테스트 모두 실행
- mvn test ⇒ Unit 테스트만 실행
- mvn clean integration-test -Dskip.unit.tests=true ⇒ Gui 테스트만 실행
- 참조 프로젝트 : https://github.com/spring-projects/spring-petclinic.git
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework.samples</groupId>
<artifactId>spring-petclinic</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>petclinic</name>
<packaging>war</packaging>
<properties>
<!-- Generic properties -->
<java.version>1.7</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<!-- Spring -->
<spring-io-platform.version>2.0.1.RELEASE</spring-io-platform.version>
<spring-data-jdbc.version>1.1.0.RELEASE</spring-data-jdbc.version>
<!-- Java EE / Java SE dependencies -->
<tomcat.version>7.0.59</tomcat.version>
<!-- Test -->
<assertj.version>2.2.0</assertj.version>
<!-- Dates -->
<jodatime-hibernate.version>1.3</jodatime-hibernate.version>
<jodatime-jsptags.version>1.1.1</jodatime-jsptags.version>
<jadira-usertype-core.version>3.2.0.GA</jadira-usertype-core.version>
<!-- Others -->
<mysql-driver.version>5.1.36</mysql-driver.version>
<!-- Web dependencies -->
<webjars-bootstrap.version>2.3.0</webjars-bootstrap.version>
<webjars-jquery-ui.version>1.10.3</webjars-jquery-ui.version>
<webjars-jquery.version>2.0.3-1</webjars-jquery.version>
<dandelion.version>1.1.1</dandelion.version>
<dandelion.datatables.version>1.1.0</dandelion.datatables.version>
<!-- test properties -->
<selenium.version>2.48.2</selenium.version>
<jacoco.version>0.7.5.201505241946</jacoco.version>
<skip.integration.tests>false</skip.integration.tests>
<skip.unit.tests>false</skip.unit.tests>
</properties>
<dependencyManagement>
<!-- Import the maven Spring IO Platform Bill Of Materials (BOM) -->
<dependencies>
<dependency>
<groupId>io.spring.platform</groupId>
<artifactId>platform-bom</artifactId>
<version>${spring-io-platform.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.jadira.usertype</groupId>
<artifactId>usertype.core</artifactId>
<version>${jadira-usertype-core.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-servlet-api</artifactId>
<version>${tomcat.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper-el</artifactId>
<version>${tomcat.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
</dependency>
<dependency>
<groupId>org.apache.taglibs</groupId>
<artifactId>taglibs-standard-jstlel</artifactId>
</dependency>
<!-- JSon -->
<dependency>
<groupId>com.jayway.jsonpath</groupId>
<artifactId>json-path</artifactId>
<scope>test</scope>
</dependency>
<!-- SPRING, SPRING, SPRINGITY SPRING -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jdbc-core</artifactId>
<version>${spring-data-jdbc.version}</version>
<exclusions>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>*</artifactId>
</exclusion>
<!-- because Spring Data usually comes with a slightly older version
of Spring -->
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<!-- used for EhCacheCacheManager -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<scope>runtime</scope>
</dependency>
<!-- Database connection pool See here for more details on commons-dbcp
versus tomcat-jdbc: http://blog.ippon.fr/2013/03/13/improving-the-performance-of-the-spring-petclinic-sample-application-part-3-of-5/ -->
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jdbc</artifactId>
<scope>runtime</scope>
</dependency>
<!-- Logging with SLF4J & LogBack -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<scope>runtime</scope>
</dependency>
<!-- Date and Time -->
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time-hibernate</artifactId>
<version>${jodatime-hibernate.version}</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time-jsptags</artifactId>
<version>${jodatime-jsptags.version}</version>
</dependency>
<!-- Databases - Uses HSQL by default -->
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<scope>runtime</scope>
</dependency>
<!-- For MySql only -->
<!--dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId>
<version>${mysql-driver.version}</version> </dependency -->
<!-- HIBERNATE -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-ehcache</artifactId>
</dependency>
<dependency>
<groupId>net.sf.ehcache</groupId>
<artifactId>ehcache</artifactId>
<exclusions>
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- Webjars (static dependencies distributed as JAR files) -->
<dependency>
<groupId>org.webjars</groupId>
<artifactId>bootstrap</artifactId>
<version>${webjars-bootstrap.version}</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>jquery-ui</artifactId>
<version>${webjars-jquery-ui.version}</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>jquery</artifactId>
<version>${webjars-jquery.version}</version>
</dependency>
<!-- Test Artifacts -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<!-- Dandelion -->
<dependency>
<groupId>com.github.dandelion</groupId>
<artifactId>dandelion-jsp</artifactId>
<version>${dandelion.version}</version>
</dependency>
<dependency>
<groupId>com.github.dandelion</groupId>
<artifactId>datatables-jsp</artifactId>
<version>${dandelion.datatables.version}</version>
</dependency>
<dependency>
<groupId>com.github.dandelion</groupId>
<artifactId>datatables-export-itext</artifactId>
<version>${dandelion.datatables.version}</version>
</dependency>
<!-- temporary fix: below dependency should not be necessary as it is a
transitive dependency. For some reason we can't build the app unless it is
a first level dependency -->
<dependency>
<groupId>com.googlecode.json-simple</groupId>
<artifactId>json-simple</artifactId>
</dependency>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-java</artifactId>
<version>${selenium.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-remote-driver</artifactId>
<version>${selenium.version}</version>
</dependency>
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>1.4.01</version>
</dependency>
</dependencies>
<!-- Maven plugin versions are mentioned in order to guarantee the build
reproducibility in the long term -->
<build>
<defaultGoal>install</defaultGoal>
<testResources>
<testResource>
<!-- declared explicitly so Spring config files can be placed next to
their corresponding JUnit test class -->
<directory>${project.basedir}/src/test/java</directory>
</testResource>
<testResource>
<directory>${project.basedir}/src/test/resources</directory>
</testResource>
</testResources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.0</version>
<configuration>
<encoding>${project.build.sourceEncoding}</encoding>
<compilerArguments>
<Xlint />
</compilerArguments>
<verbose>true</verbose>
<source>${java.version}</source>
<target>${java.version}</target>
<showWarnings>true</showWarnings>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.13</version>
<configuration>
<includes>
<include>**/*Tests.java</include>
</includes>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<configuration>
<warName>petclinic</warName>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<version>2.9</version>
<configuration>
<downloadSources>true</downloadSources>
<downloadJavadocs>true</downloadJavadocs>
<wtpversion>2.0</wtpversion>
<sourceIncludes>
<sourceInclude>**/*.*</sourceInclude>
</sourceIncludes>
<additionalBuildcommands>
<buildCommand>
<name>org.springframework.ide.eclipse.core.springbuilder</name>
</buildCommand>
<buildCommand>
<name>org.eclipse.m2e.core.maven2Builder</name>
</buildCommand>
</additionalBuildcommands>
<additionalProjectnatures>
<projectnature>org.eclipse.jdt.core.javanature</projectnature>
<projectnature>org.springframework.ide.eclipse.core.springnature</projectnature>
<projectnature>org.eclipse.m2e.core.maven2Nature</projectnature>
</additionalProjectnatures>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<server>tomcat-development-server</server>
<port>9966</port>
<path>/petclinic</path>
</configuration>
<executions>
<execution>
<id>start-tomcat</id>
<phase>pre-integration-test</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<fork>true</fork>
</configuration>
</execution>
<execution>
<id>stop-tomcat</id>
<phase>post-integration-test</phase>
<goals>
<goal>shutdown</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>${jacoco.version}</version>
<executions>
<!-- Prepares the property pointing to the JaCoCo runtime agent which
is passed as VM argument when Maven the Surefire plugin is executed. -->
<execution>
<id>pre-unit-test</id>
<goals>
<goal>prepare-agent</goal>
</goals>
<configuration>
<!-- Sets the path to the file which contains the execution data. -->
<destFile>${jacoco.ut.execution.data.file}</destFile>
<!-- Sets the name of the property containing the settings for JaCoCo
runtime agent. -->
<propertyName>surefireArgLine</propertyName>
</configuration>
</execution>
<!-- Ensures that the code coverage report for unit tests is created
after unit tests have been run. -->
<execution>
<id>post-unit-test</id>
<phase>test</phase>
<goals>
<goal>report</goal>
</goals>
<configuration>
<!-- Sets the path to the file which contains the execution data. -->
<dataFile>${jacoco.ut.execution.data.file}</dataFile>
<!-- Sets the output directory for the code coverage report. -->
<outputDirectory>${project.reporting.outputDirectory}/jacoco-ut</outputDirectory>
</configuration>
</execution>
<!-- Prepares the property pointing to the JaCoCo runtime agent which
is passed as VM argument when Maven the Failsafe plugin is executed. -->
<execution>
<id>pre-integration-test</id>
<phase>pre-integration-test</phase>
<goals>
<goal>prepare-agent</goal>
</goals>
<configuration>
<!-- Sets the path to the file which contains the execution data. -->
<destFile>${jacoco.it.execution.data.file}</destFile>
<!-- Sets the name of the property containing the settings for JaCoCo
runtime agent. -->
<propertyName>failsafeArgLine</propertyName>
</configuration>
</execution>
<!-- Ensures that the code coverage report for integration tests after
integration tests have been run. -->
<execution>
<id>post-integration-test</id>
<phase>post-integration-test</phase>
<goals>
<goal>report</goal>
</goals>
<configuration>
<!-- Sets the path to the file which contains the execution data. -->
<dataFile>${jacoco.it.execution.data.file}</dataFile>
<!-- Sets the output directory for the code coverage report. -->
<outputDirectory>${project.reporting.outputDirectory}/jacoco-it</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<!-- Used for unit tests -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.15</version>
<configuration>
<!-- Sets the VM argument line used when unit tests are run. -->
<argLine>${surefireArgLine}</argLine>
<!-- Skips unit tests if the value of skip.unit.tests property is true -->
<skipTests>${skip.unit.tests}</skipTests>
<!-- Include unit tests are run. -->
<includes>
<include>**/*Tests.java</include>
</includes>
</configuration>
</plugin>
<!-- Used for integration tests -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>2.15</version>
<executions>
<!-- Ensures that both integration-test and verify goals of the Failsafe
Maven plugin are executed. -->
<execution>
<id>integration-tests</id>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
<configuration>
<!-- Sets the VM argument line used when integration tests are run. -->
<argLine>${failsafeArgLine} -XX:MaxPermSize=512m</argLine>
<!-- Skips integration tests if the value of skip.integration.tests
property is true -->
<skipTests>${skip.integration.tests}</skipTests>
<!-- Include Integration tests are run. -->
<includes>
<include>**/*IT.java</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
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