在运行集成测试之前，如何让 Maven 构建等待 Jetty 服务器以分叉模式启动？

2023-12-06

我有一份关于代码覆盖率的报告一体化 test.

我确实有集成测试，并且这些测试在 Maven 构建中成功运行。

当我单击 HTML 报告右上角的“会话”链接时，我可以在列表中看到我的测试类，但我看不到现在由测试执行的主要类，并且所有覆盖率报告百分比均位于零。

作为旁注，我的unit测试覆盖率工作正常，百分比显示正常。

我的配置如下：

  <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <version>2.18.1</version>
    <configuration>
      <argLine>${surefireArgLine}</argLine>
      <excludes>
        <exclude>**/integrationtest/*.java</exclude>
      </excludes>
    </configuration>
  </plugin>

  <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-failsafe-plugin</artifactId>
    <version>2.18.1</version>
     <configuration>
       <argLine>${failsafeArgLine}</argLine>
       <skipTests>${skipIntegrationTests}</skipTests>
      <includes>
        <include>**/integrationtest/*.java</include>
      </includes>
    </configuration>
    <executions>
      <execution>
        <id>integration-test</id>
        <goals>
          <goal>integration-test</goal>
        </goals>
      </execution>
      <execution>
        <id>verify</id>
        <goals>
          <goal>verify</goal>
        </goals>
      </execution>
    </executions>
  </plugin>

  <plugin>
    <groupId>org.jacoco</groupId>
    <artifactId>jacoco-maven-plugin</artifactId>
    <version>0.7.5.201505241946</version>
    <executions>
      <execution>
        <id>pre-unit-test</id>
        <goals>
          <goal>prepare-agent</goal>
        </goals>
        <configuration>
          <destFile>${project.build.directory}/coverage-reports/jacoco-ut.exec</destFile>
          <propertyName>surefireArgLine</propertyName>
        </configuration>
      </execution>
      <execution>
        <id>post-unit-test</id>
        <phase>test</phase>
        <goals>
          <goal>report</goal>
        </goals>
        <configuration>
          <dataFile>${project.build.directory}/coverage-reports/jacoco-ut.exec</dataFile>
          <outputDirectory>${project.reporting.outputDirectory}/jacoco-ut</outputDirectory>
        </configuration>
      </execution>
      <execution>
        <id>pre-integration-test</id>
        <phase>pre-integration-test</phase>
        <goals>
          <goal>prepare-agent-integration</goal>
        </goals>
        <configuration>
          <destFile>${project.build.directory}/coverage-reports/jacoco-it.exec</destFile>
          <propertyName>failsafeArgLine</propertyName>
        </configuration>
      </execution>
      <execution>
        <id>post-integration-test</id>
        <phase>post-integration-test</phase>
        <goals>
          <goal>report-integration</goal>
        </goals>
        <configuration>
          <dataFile>${project.build.directory}/coverage-reports/jacoco-it.exec</dataFile>
          <outputDirectory>${project.reporting.outputDirectory}/jacoco-it</outputDirectory>
        </configuration>
      </execution>
    </executions>
  </plugin>

  <plugin>
    <groupId>org.eclipse.jetty</groupId>
    <artifactId>jetty-maven-plugin</artifactId>
    <version>9.2.2.v20140723</version>
    <configuration>
      <httpConnector>
        <port>${jetty.port}</port>
      </httpConnector>
      <scanIntervalSeconds>10</scanIntervalSeconds>
      <stopPort>8805</stopPort>
      <stopKey>STOP</stopKey>
    </configuration>
    <executions>
      <execution>
        <id>start-jetty</id>
        <phase>pre-integration-test</phase>
        <goals>
          <goal>stop</goal> <!-- stop any stray process that has been running since before -->
          <goal>run-forked</goal>
        </goals>
        <configuration>
          <scanIntervalSeconds>0</scanIntervalSeconds>
          <daemon>true</daemon>
          <waitForChild>false</waitForChild>
          <maxStartupLines>200</maxStartupLines>
          <jvmArgs>${failsafeArgLine} -Djetty.port=${jetty.port}</jvmArgs>
        </configuration>
      </execution>
      <execution>
        <id>stop-jetty</id>
        <phase>post-integration-test</phase>
        <goals>
          <goal>stop</goal>
        </goals>
      </execution>
    </executions>
  </plugin>

注意 JaCoCo 插件是如何定义的before码头那一号。

控制台日志显示失败的连接尝试的日志。集成测试无法连接到本地主机。这是因为在 Maven 运行测试之前 Jetty 服务器还没有时间启动。

org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:8888 refused