如何使用Gradle重新运行失败的TestNG测试 [英] How to re-run failed TestNG tests using Gradle

问题描述

我知道什么TestNG生成带有有关失败测试信息的testng-failed.xml. 我想在Gradle中使用它来创建新任务以运行失败的测试:

I know what TestNG generates testng-failed.xml with information about failed test. I'd like to use it in Gradle to created new task for running failed tests:

task secondTry(type: Test) {
onlyIf {
    file("build/reports/tests/test/testng-failed.xml").exists()
}
println file("build/reports/tests/test/testng-failed.xml").exists()

testClassesDir = sourceSets.test.output.classesDir
classpath = sourceSets.test.runtimeClasspath

useTestNG() {
    suites("build/reports/tests/test/testng-failed.xml")
}
}

第二次运行任务尝试println file("build/reports/tests/test/testng-failed.xml").exists()的true，但未运行失败的测试，并且跳过了任务:secondTry SKIPPED

Aftrer running task secondTry I got true for println file("build/reports/tests/test/testng-failed.xml").exists(), but failed tests are not run and task is skipped: secondTry SKIPPED

在这种情况下，有人能进行测试吗?

Does anyone experience in such cases, how to make tests run?

更新: 我已经尝试了一些修改任务，所以只需运行testng-failed.xml:

UPDATE: I've tried to modify task a bit, so just run testng-failed.xml:

task secondTry(type: Test) {
useTestNG() {
    useDefaultListeners = true
    reports.html.enabled = false
    options.suites("build/reports/tests/test/testng-failed.xml")
}
}

结果是，构建成功执行，包括secondTry任务，但失败的测试仍未运行.

As result, build is successfully executed, including secondTry task, but failed tests still are not run.

推荐答案

这可以通过TestNG的名为RetryAnalyzer的功能来实现.稍作调整，我们便可以告诉TestNG，在通过测试之前应重试多少次，以及什么样的异常/错误会触发重试失败的测试方法.

This can be achieved by a TestNG's feature called RetryAnalyzer. With few little tweaks, we can tell TestNG that how many times a test should get retried until it gets passed and what kind of exceptions/errors would trigger the retrying of the failed test methods.

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