Java wait 等待队列 java等待时间

注意：只有满足显式等待要求，代码才会向后执行，当显式等待条件未满足时，在设定的最大显式等待时间区间内，会停在当前代码位置进行等待，直到设定的条件被满足，

才能继续执行后续的测试逻辑。如果超过设定的最大显式等待时间区间，程序会抛出异常，测试用例被认为执行失败。













package jkcs;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

public class jdcs 
{
    
    public static void main(String[] args) throws InterruptedException 
    {
         System.setProperty("webdriver.chrome.bin","‪C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");    //设置安装路径，防止系统找不到
         
         WebDriver driver = new FirefoxDriver();
         driver.get("http://www.baidu.com");
         driver.manage().window().maximize();

         
         
         
         
         new WebDriverWait(driver,5).until(ExpectedConditions.titleIs("百度一下，你就知道"));   //标题是不是“百度一下，你就知道”
         
         System.out.println(new WebDriverWait(driver,5).until(ExpectedConditions.titleIs("百度一下，你就知道")));
         
         
         
         
         
         
         new WebDriverWait(driver,5).until(ExpectedConditions.titleContains("百度一下"));  //标题是不是包含“百度一下”
         
         System.out.println(new WebDriverWait(driver,5).until(ExpectedConditions.titleContains("百度一下")));
         
         

         
         
         driver.quit();

    }
}

执行结果：

true
true

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方式二：

package jkcs;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

public class jdcs 
{
    
    public static void main(String[] args) throws InterruptedException 
    {
         System.setProperty("webdriver.chrome.bin","‪C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");    //设置安装路径，防止系统找不到
         
         WebDriver driver = new FirefoxDriver();
         driver.get("http://www.baidu.com");
         driver.manage().window().maximize();

         
         WebDriverWait wait = new WebDriverWait(driver,10);
         
         
         
         
         wait.until(ExpectedConditions.titleIs("百度一下，你就知道"));   //标题是不是“百度一下，你就知道”
         
         System.out.println(wait.until(ExpectedConditions.titleIs("百度一下，你就知道")));
         
         
         
         
         
         
         wait.until(ExpectedConditions.titleContains("百度一下"));  //标题是不是包含“百度一下”
         
         System.out.println(wait.until(ExpectedConditions.titleContains("百度一下")));
         
         
 
         
         
         
         
         
         
         
         driver.quit();

    }
}

执行结果：

true
true

=======================================================================================================

方式三：(转载)

package com.test.elementwait;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

public class ExplicitWait {

    public static void main(String[] args) {
        WebDriver driver = new FirefoxDriver();
        driver.get("http://www.baidu.com");
        driver.manage().window().maximize();

        //标题是不是“百度一下，你就知道”
        new WebDriverWait(driver,5).until(ExpectedConditions.titleIs("百度一下，你就知道"));


        //标题是不是包含“百度一下”
        new WebDriverWait(driver,5).until(ExpectedConditions.titleContains("百度一下"));


        //判断该元素是否被加载在DOM中，并不代表该元素一定可见        
        new WebDriverWait(driver,5).until(ExpectedConditions.presenceOfElementLocated(By.xpath("//*[@id='kw']")));


        //判断元素(定位后)是否可见
        new WebDriverWait(driver,5).until(ExpectedConditions.visibilityOf(driver.findElement(By.xpath("//*[@id='kw']"))));


        //判断元素是否可见(非隐藏，并且元素的宽和高都不等以0)
        new WebDriverWait(driver,5).until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//*[@id='kw']")));


        //只要存在一个就是true
        ExpectedConditions.presenceOfAllElementsLocatedBy(By.xpath("//*[@id='kw']"));


        //元素中的text是否包含语气的字符串
        ExpectedConditions.textToBePresentInElementLocated(By.xpath("//*[@id='kw']"), "百度一下");


        //元素的value属性中是否包含语气的字符串
        ExpectedConditions.textToBePresentInElementValue(By.xpath("//*[@id='kw']"), "***");


        //判断该表单是否可以切过去，可以就切过去并返回true，否则放回false
        ExpectedConditions.frameToBeAvailableAndSwitchToIt(By.id("**"));


        //判断某个元素是否不存在于DOM或不可见
        ExpectedConditions.invisibilityOfElementLocated(By.xpath("//*[@id='kw']"));


        //判断元素是否可以点击
        ExpectedConditions.elementToBeClickable(By.xpath("//*[@id='kw']"));


        //等到一个元素从DOM中移除
        ExpectedConditions.stalenessOf(driver.findElement(By.xpath("//*[@id='kw']")));


        //判断某个元素是否被选中，一般用在下拉列表
        ExpectedConditions.elementToBeSelected(By.xpath("//*[@id='kw']"));


        //判断某个元素的选中状态是否符合预期
        ExpectedConditions.elementSelectionStateToBe(By.xpath("//*[@id='kw']"), true);


        //判断某个元素(已定位)的选中状态是否符合预期
        ExpectedConditions.elementSelectionStateToBe(driver.findElement(By.xpath("//*[@id='kw']")), false);


        //判断页面中是否存在alert
        new WebDriverWait(driver,5).until(ExpectedConditions.alertIsPresent());
        //--------------------自定义判断条件-----------------------------
        WebDriverWait wait = new WebDriverWait(driver, 3);
        wait.until(new ExpectedCondition<Boolean>() {
             public Boolean apply(WebDriver driver) {
                 return !driver.findElement(By.xpath("//*[@id='kw']")).getAttribute("class").contains("x-form-invalid-field");
                             }
                 });
        
    }

}

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