使用JUnit 和Jacoco进行单元测试

Jacoco配置

<dependency> <groupId>org.jacoco</groupId> <artifactId>jacoco-maven-plugin</artifactId> <version>0.8.0</version> </dependency>

<!--检查代码覆盖率的插件配置--> <plugin> <groupId>org.jacoco</groupId> <artifactId>jacoco-maven-plugin</artifactId> <version>0.8.0</version> <executions> <execution> <id>prepare-agent</id> <goals> <goal>prepare-agent</goal> </goals> </execution> <execution> <id>check</id> <goals> <goal>check</goal> </goals> </execution> <execution> <id>report</id> <phase>prepare-package</phase> <goals> <goal>report</goal> </goals> </execution> </executions> <!-- Configuration 里面写配置信息 --> <configuration> <!-- rules里面指定覆盖规则 --> <rules> <rule implementation="org.jacoco.maven.RuleConfiguration"> <element>BUNDLE</element> <limits> <!-- 指定方法覆盖到10% --> <limit implementation="org.jacoco.report.check.Limit"> <counter>METHOD</counter> <value>COVEREDRATIO</value> <minimum>0.10</minimum> </limit> <!-- 指定指令覆盖到10% --> <limit implementation="org.jacoco.report.check.Limit"> <counter>INSTRUCTION</counter> <value>COVEREDRATIO</value> <minimum>0.10</minimum> </limit> <!-- 指定行覆盖到10% --> <limit implementation="org.jacoco.report.check.Limit"> <counter>LINE</counter> <value>COVEREDRATIO</value> <minimum>0.10</minimum> </limit> <!-- 指定类覆盖到100%，不能遗失任何类, 为0时指最大可丢失数为0, 即覆盖率为100% --> <limit implementation="org.jacoco.report.check.Limit"> <counter>CLASS</counter> <value>MISSEDCOUNT</value> <maximum>100</maximum> </limit> </limits> </rule> </rules> </configuration> </plugin>

安装Junit插件

 

 

 

 

---------测试小例子

 

 ----运行