Sonarqube-8.9版本测试单元测试覆盖率

一、引言

1、java单元测试框架

junit
testNG
Spock

2、可以用来生成覆盖率报告的插件

Jacoco
Cobertura

3、sonarqube上的单元测试覆盖率

SonarQube 不会运行测试或生成报告。要在分析中包含覆盖结果，需要设置第三方覆盖工具来生成报告并配置 SonarQube 以导入这些报告。

生成单元测试覆盖率需要按照以下步骤操作：

SonarQube 使用导入的覆盖率报告中的覆盖行和可执行行（或要覆盖的行）来计算其覆盖率指标。 SonarQube 计算覆盖率如下：

二、Jacoco

官方参考 https://community.sonarsource.com/t/coverage-test-data-importing-jacoco-coverage-report-in-xml-format/12151

1、 junit 框架

• 代码结构
  
• pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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">

  <modelVersion>4.0.0</modelVersion>

  <groupId>com.example</groupId>
  <artifactId>java-maven-junit-helloworld</artifactId>
  <version>2.0-SNAPSHOT</version>
  <packaging>jar</packaging>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

    <!-- This configures the compiler to produce Java 8 class files. -->
    <!-- The minimum JDK version installed is 8 of course, but newer JDK releases should work too. -->
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>${maven.compiler.source}</maven.compiler.target>

    <junit.jupiter.version>5.2.0</junit.jupiter.version>
    <junit.platform.version>1.2.0</junit.platform.version>
    <hamcrest.version>1.3</hamcrest.version>
    <mockito.version>2.21.0</mockito.version>
	<!-- This configures the jacoco and sonarqube. -->
    <jacoco.plugin.version>0.8.1</jacoco.plugin.version>
    <sonar.java.coveragePlugin>jacoco</sonar.java.coveragePlugin>
    <sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
    <sonar.jacoco.reportPath>${project.basedir}/../target/jacoco.exec</sonar.jacoco.reportPath>
    <sonar.language>java</sonar.language>
  </properties>

  <dependencies>
    <!-- Testing dependencies. -->
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-api</artifactId>
      <version>${junit.jupiter.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-params</artifactId>
      <version>${junit.jupiter.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-engine</artifactId>
      <version>${junit.jupiter.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.hamcrest</groupId>
      <artifactId>hamcrest-core</artifactId>
      <version>${hamcrest.version}</version>
    </dependency>
    <dependency>
      <groupId>org.mockito</groupId>
      <artifactId>mockito-junit-jupiter</artifactId>
      <version>${mockito.version}</version>
    </dependency>
	<!-- Jacoco dependencies. -->
    <dependency>
      <groupId>org.jacoco</groupId>
      <artifactId>jacoco-maven-plugin</artifactId>
      <version>0.8.6</version>
    </dependency>
  </dependencies>

  <build>
    <plugins>

      <plugin>
        <!-- Configures the compiler. -->
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.8.0</version>
        <configuration>
          <compilerArgs>
            <arg>-Xlint</arg>
          </compilerArgs>
        </configuration>
      </plugin>

      <plugin>
        <!-- Unit tests are run by surefire. -->
        <!-- Classes under src/test/java called *Test are included automatically. -->