maven 构建需要很长时间

Question

我有一个包含单元测试和集成测试的项目。我有两个测试套件：

@RunWith(ClasspathSuite.class)
@ClasspathSuite.ClassnameFilters({ ".*Test", "!.*IntegrationTest", "!.*ResourceTest", "!.*DAOTest" })
@ClasspathSuite.SuiteTypes({ SuiteType.JUNIT38_TEST_CLASSES, SuiteType.TEST_CLASSES, SuiteType.RUN_WITH_CLASSES })
public class AutoTestSuite {
}

在大约 20 秒内运行 70 次测试

@RunWith(ClasspathSuite.class)
@ClasspathSuite.SuiteTypes({ SuiteType.JUNIT38_TEST_CLASSES, SuiteType.TEST_CLASSES, SuiteType.RUN_WITH_CLASSES })
@ClasspathSuite.ClassnameFilters({ ".*IntegrationTest" })
public class IntegrationTestSuite {
}

在大约 80 秒内运行 99 个集成测试。

这很好，但是当我尝试在本地和 Jenkins 内部运行我的 maven 构建时，测试数字在 12-18 分钟之间运行 348 个测试。显然是我的 pom.xml，甚至考虑到 jacoco 来检查。谁能看到我用“mvn clean package调用的以下内容有什么问题：

<plugin>
                <groupId>org.jacoco</groupId>
                <artifactId>jacoco-maven-plugin</artifactId>
                <version>0.6.0.201210061924</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>prepare-agent</goal>
                        </goals>
                        <configuration>
                            <propertyName>jacoco.argLine.unit</propertyName>
                            <destFile>${jacoco.destFile.unit}</destFile>
                        </configuration>
                    </execution>
                    <execution>
                        <id>pre-integration-test</id>
                        <phase>pre-integration-test</phase>
                        <goals>
                            <goal>prepare-agent</goal>
                        </goals>
                        <configuration>
                            <propertyName>jacoco.argLine.it</propertyName>
                            <destFile>${jacoco.destFile.it}</destFile>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            <!-- UNIT tests only with mvn clean test -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>${version.surefire}</version>
                <dependencies>
                    <dependency>
                        <groupId>org.apache.maven.surefire</groupId>
                        <artifactId>surefire-junit47</artifactId>
                        <version>${version.surefire}</version>
                    </dependency>
                </dependencies>
                <configuration>
                    <argLine>${jacoco.argLine.unit}
                        -Dfile.encoding=${project.build.sourceEncoding} -Xmx512m
                    </argLine>
                    <forkMode>always</forkMode>
                    <parallel>classes</parallel>
                    <includes>
                        <include>**/*.class</include>
                    </includes>
                    <excludes>
                        <exclude>**/*.IntegrationTest.java</exclude>
                    </excludes>
                </configuration>
            </plugin>
            <!-- INTEGRATION tests that are run with "mvn clean verify" -->

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-failsafe-plugin</artifactId>
                <version>${version.surefire}</version>
                <dependencies>
                    <dependency>
                        <groupId>org.apache.maven.surefire</groupId>
                        <artifactId>surefire-junit47</artifactId>
                        <version>${version.surefire}</version>
                    </dependency>
                </dependencies>
                <configuration>
                    <forkMode>pertest</forkMode>
                    <reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
                    <argLine>${jacoco.argLine.it}
                        -Dfile.encoding=${project.build.sourceEncoding} -Xmx512m
                    </argLine>
                    <includes>
                        <include>**/*.class</include>
                    </includes>
                </configuration>
                <executions>
                    <execution>
                        <id>integration-test</id>
                        <phase>integration-test</phase>
                        <goals>
                            <goal>integration-test</goal>
                        </goals>
                    </execution>
                    <execution>
                        <id>verify</id>
                        <phase>verify</phase>
                        <goals>
                            <goal>verify</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

是否有原因导致测试出现重复且耗时如此之长？

Answer 1

我不是 maven 或 surefire 专家，但我认为 surefire 插件会执行它在您的测试目录下找到的每个测试文件。这意味着默认配置不需要测试套件。 Surefire 找到并运行您的测试套件加上您的其他测试可能是要运行的测试数量增加 2 倍的原因。但我不知道为什么它会花费两倍以上的时间来运行。

如果是这种情况，您可以告诉 Surefire 只运行您的测试套件：

<configuration>
  ...
  <includes>
    <include>AutoTestSuite.java</include>
  </includes>
</configuration>

而不是**/*.class

编辑：因为 Jacoco 已经检测了您需要使用的类

<configuration>
  ...
  <includes>
    <include>AutoTestSuite.class</include>
  </includes>
</configuration>

否则，您不会运行检测版本。