如何在使用 JAVA 和 Cucumber 进行测试的每个步骤后截取屏幕截图?

How to capture a screenshot after each step in tests with JAVA and Cucumber?(如何在使用 JAVA 和 Cucumber 进行测试的每个步骤后截取屏幕截图?)

问题描述

在运行集成测试时，在每个步骤之后捕获屏幕截图的最佳方法是什么?

What would be the best way to capture screenshots after each step when running integration tests?

使用 Selenium(3.0.1) 和 Cucumber(1.2.4) 用 Ja​​va 编写测试.

Tests are written in Java using Selenium(3.0.1) and Cucumber(1.2.4).

测试后截屏的代码如下，但我需要在每个用@Given、@When、@Then注释的方法之后截屏.

Code for taking a screenshot after a test is below, but I need a screenshot after each method annotated with @Given, @When, @Then.

@After
public void after(Scenario scenario){
    final byte[] screenshot = driver.getScreenshotAs(OutputType.BYTES);
    scenario.embed(screenshot, "image/png");
}

感谢您的任何提示.

推荐答案

使用 Aspects 解决了这个问题.非常棘手，请注意注释:

Solved this using Aspects. Was pretty tricky, note the annotation:

@After("call(public * cucumber.runtime.StepDefinitionMatch.runStep(..)) && within(cucumber.runtime.Runtime)")

下面是完整的代码，由 Viviana Cattenazzi 编写.

Below is the full code, written by Viviana Cattenazzi.

pom.xml

 <dependencies>
         <dependency>
             <groupId>org.aspectj</groupId>
             <artifactId>aspectjweaver</artifactId>
             <version>1.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.aspectj</groupId>
             <artifactId>aspectjrt</artifactId>
             <version>1.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.aspectj</groupId>
             <artifactId>aspectjtools</artifactId>
             <version>1.8.9</version>
         </dependency>
         <dependency>
             <groupId>info.cukes</groupId>
             <artifactId>cucumber-core</artifactId>
             <version>1.2.4</version>
         </dependency>
     </dependencies>

......

         <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>aspectj-maven-plugin</artifactId>
             <version>1.10</version>
             <configuration>
                 <weaveDependencies>
                     <weaveDependency>
                         <groupId>info.cukes</groupId>
                         <artifactId>cucumber-core</artifactId>
                     </weaveDependency>
                 </weaveDependencies>
                 <showWeaveInfo>true</showWeaveInfo>
                 <source>1.8</source>
                 <target>1.8</target>
                 <complianceLevel>1.8</complianceLevel>
             </configuration>
             <executions>
                 <execution>
                     <phase>process-test-classes</phase>
                     <goals>
                         <goal>compile</goal>
                         <goal>test-compile</goal>
                     </goals>
                 </execution>
             </executions>
         </plugin>

.......

StepsInterceptor.java

@Aspect
 public class StepsInterceptor {


     @After("call(public * cucumber.runtime.StepDefinitionMatch.runStep(..)) && within(cucumber.runtime.Runtime)")
     public void beforeRunningStep(JoinPoint thisJoinPoint) throws Exception {

         try {
             StepDefinitionMatch stepDefinitionMatch = (StepDefinitionMatch) thisJoinPoint.getTarget();
             Step step = (Step) retrievePrivateField(stepDefinitionMatch, "step");
             String stepName = step.getKeyword().trim();

             if ("Given".equals(stepName) || "When".equals(stepName)) {
                 Object theRealStepDef = extractJavaStepDefinition(stepDefinitionMatch);
                // take screen shot here
             }
         } catch (ClassCastException exc) { ....
}
}
}

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