使用JUnit 和Jacoco進行單元測試

Jacoco配置

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

<!--檢查代碼覆蓋率的插件配置--> <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 里面寫配置信息 --> <configuration> <!-- rules里面指定覆蓋規則 --> <rules> <rule implementation="org.jacoco.maven.RuleConfiguration"> <element>BUNDLE</element> <limits> <!-- 指定方法覆蓋到10% --> <limit implementation="org.jacoco.report.check.Limit"> <counter>METHOD</counter> <value>COVEREDRATIO</value> <minimum>0.10</minimum> </limit> <!-- 指定指令覆蓋到10% --> <limit implementation="org.jacoco.report.check.Limit"> <counter>INSTRUCTION</counter> <value>COVEREDRATIO</value> <minimum>0.10</minimum> </limit> <!-- 指定行覆蓋到10% --> <limit implementation="org.jacoco.report.check.Limit"> <counter>LINE</counter> <value>COVEREDRATIO</value> <minimum>0.10</minimum> </limit> <!-- 指定類覆蓋到100%，不能遺失任何類, 為0時指最大可丟失數為0, 即覆蓋率為100% --> <limit implementation="org.jacoco.report.check.Limit"> <counter>CLASS</counter> <value>MISSEDCOUNT</value> <maximum>100</maximum> </limit> </limits> </rule> </rules> </configuration> </plugin>

安裝Junit插件

 

 

 

 

---------測試小例子

 

 ----運行