首页 > 解决方案 > TestNG DataProvider 返回对象和 RetryAnalyzer 无法识别重试

问题描述

我到处寻找我所知道的,我似乎无法找到这个答案。

如果我将 DataProvider 中的“复杂”对象传递给测试方法,Invoker 似乎会在每次迭代时获得一个新的 RetryAnalyzer 实例。

IRL,我的数据提供者进行数据库查询并将对象传递给测试方法。我最初认为数据库访问会导致问题,但后来将其范围缩小到我认为最简单的例子。

请看下文。如果我在 RetryAnalyzer 中设置断点,我可以看到 retryCount 始终为 0。每次调用它都是一个新实例。Test01 基本上是一个无限循环。

测试NG 7.0.0

有什么帮助吗?

测试类:

    package test;

    import org.testng.Assert;
    import org.testng.annotations.DataProvider;
    import org.testng.annotations.Test;

    public class RetryTester {

        public class DataObject extends Object {
            String name;
            String url;

            DataObject(String name, String url) {
                this.name = name;
                this.url = url;
            }
        }

        @Test(retryAnalyzer = RetryAnalyzer.class, dataProvider = "getData1")
        public void test01(DataObject d) throws Exception {
            System.out.println("[" + d.name + "]" + "/[" + d.url + "]");
            Assert.fail("Retry test fail");
        }

        @Test(retryAnalyzer = RetryAnalyzer.class, enabled = true, groups = { "load" }, dataProvider = "getData2")
        public void test02(String name, String url) throws Exception {
            System.out.println("[" + name + "]" + "/[" + url + "]");
            Assert.fail("Retry test fail");
        }

        @DataProvider
        public Object[][] getData1() {

            DataObject one = new DataObject("name1", "a");
            DataObject two = new DataObject("name2", "b");

            Object[][] data = new Object[][] { { one }, { two }, };

            return data;
        }

        @DataProvider
        public Object[][] getData2() {
            return new Object[][] { new Object[] { "name1", "a" }, new Object[] { "name2", "b" }, };
        }

    }

重试分析器类:

    package test;


    import org.testng.IRetryAnalyzer;
    import org.testng.ITestResult;

    public class RetryAnalyzer implements IRetryAnalyzer {
        private int retryCount = 0;
        private int retryMaxCount = 1; // set your count to re-run test

        @Override
        public synchronized boolean retry(ITestResult result) {
            if (retryCount < retryMaxCount) {
                System.out.println("Retry logic for  '" + result.getName() + "' on class " + this.getClass().getName());
                retryCount++;
                return true;
            }
            return false;
        }
    }

测试01输出:

    [name1]/[a]
    Retry logic for  'test01' on class test.RetryAnalyzer
    [name1]/[a]
    Retry logic for  'test01' on class test.RetryAnalyzer
    [name1]/[a]
    Retry logic for  'test01' on class test.RetryAnalyzer
    [name1]/[a]
    Retry logic for  'test01' on class test.RetryAnalyzer
    [name1]/[a]
    Retry logic for  'test01' on class test.RetryAnalyzer
    [name1]/[a]
    Retry logic for  'test01' on class test.RetryAnalyzer
    ...

测试02输出:

    [name1]/[a]
    Retry logic for  'test02' on class test.RetryAnalyzer
    [name1]/[a]
    [name2]/[b]
    Retry logic for  'test02' on class test.RetryAnalyzer
    [name2]/[b]
    FAILED: test02("name1", "a")
    FAILED: test02("name2", "b")
    RETRIED: test02("name1", "a")
    RETRIED: test02("name2", "b")

标签: testngtestng-dataprovider

解决方案


在最新版本“7.1.0”中它已修复

PR::防止重试无休止地发生 #2165

已修复:GITHUB-2163:当数据提供者返回一个新对象时,测试被无限次执行 (Krishnan Mahadevan)


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