在扩展Spock时输出给定值

Spock是一个Java测试框架，由GradleWare的软件工程师Peter Niederwieser于2008年创建，它可以促进BDD的发展。 利用这个
例如 ，一个故事可以定义为：

Story: Returns go to stockAs a store owner In order to keep track of stock I want to add items back to stock when they're returned.Scenario 1: Refunded items should be returned to stock Given that a customer previously bought a black sweater from me And I have three black sweaters in stock. When he returns the black sweater for a refund Then I should have four black sweaters in stock.Scenario 2: Replaced items should be returned to stock Given that a customer previously bought a blue garment from me And I have two blue garments in stock And three black garments in stock. When he returns the blue garment for a replacement in black Then I should have three blue garments in stock And three black garments in stock.

使用Spock，可以使用给定的相同时间， 格式将测试非常紧密地映射到方案规范。 在Spock中，我们可以将第一种情况实现为：

class SampleSpec extends Specification{def "Scenario 1: Refunded items should be returned to stock"() {given: "that a customer previously bought a black sweater from me"// ... code and: "I have three black sweaters in stock."// ... codewhen: "he returns the black sweater for a refund"// ... codethen: "I should have four black sweaters in stock."// ... code} }

最好是确保测试方案需求到测试方案实现的准确映射。 如果我们可以输出的语法，我们可以走这条路
给定什么时候，然后从我们的测试。 Spock允许我们通过其扩展框架添加此功能。

因此，假设我们的BA真的很好奇，并且希望开发人员更加放心，他们坚持使用相同的给定时间，格式，并且代码是同步的。 他们希望轻松获得此信息。 开发人员可以通过首先定义此注释来提供此信息

import java.lang.annotation.* import org.spockframework.runtime.extension.ExtensionAnnotation@Retention(RetentionPolicy.RUNTIME) @Target(ElementType.TYPE) @ExtensionAnnotation(ReportExtension) @interface LogScenarioDescription {}

接下来是此实现：

import org.apache.log4j.Logger import org.spockframework.runtime.AbstractRunListener import org.spockframework.runtime.extension.AbstractAnnotationDrivenExtension import org.spockframework.runtime.model.FeatureInfo import org.spockframework.runtime.model.SpecInfoclass LogScenarioDescriptionExtension extends AbstractAnnotationDrivenExtension; {final static Logger logger = Logger.getLogger("scenarioLog." + ReportExtension.class);@Overridevoid visitSpecAnnotation(Report annotation, SpecInfo spec) {spec.addListener(new AbstractRunListener() {@Overridevoid afterFeature(FeatureInfo feature) {if (System.getEnv("logScenarios")) {logger.info("***SCENARIO TEST:*** " + feature.name)for (block in feature.blocks) {logger.info(block.kind);for (text in block.texts) {logger.info(text)}}}}})} }

然后将其应用于测试

@LogScenarioDescription class SampleSpec extends Specification{//...

执行测试时，将提供以下输出：

***SCENARIO TEST:*** Scenario 1: Refunded items should be returned to stock GIVEN that a customer previously bought a black sweater from me AND I have three black sweaters in stock. WHEN he returns the black sweater for a refund THEN I should have four black sweaters in stock.

通过使用以下log4j输出到特定的日志文件以进行方案记录：

log4j.rootLogger=INFO, stdoutlog4j.logger.scenarioLog.extension.custom=INFO, scenarioLoglog4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%m%nlog4j.appender.scenarioLog=org.apache.log4j.FileAppender log4j.appender.scenarioLog.File=logs/scenario.log log4j.appender.scenarioLog.layout=org.apache.log4j.PatternLayout log4j.appender.scenarioLog.layout.ConversionPattern=%m%n

现在您有了一个日志文件，您的BA，QA可以读取它！ 这有助于建立一种敏捷的协作文化和ATDD ，在此文化中，可以检查是否已通过商定的方案实施了测试方案。

翻译自: https://www.javacodegeeks.com/2017/07/outputting-given-extending-spock.html

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