package testNGWithDataDriven;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import org.testng.Assert;

import org.testng.annotations.DataProvider;

import org.testng.annotations.Test;

import org.testng.annotations.BeforeMethod;

import org.testng.annotations.AfterMethod;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.ss.usermodel.Row;

import org.apache.poi.ss.usermodel.Sheet;

import org.apache.poi.ss.usermodel.Workbook;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import org.openqa.selenium.By;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.chrome.ChromeDriver;

public class TestNGExcelDriven {

    public WebDriver driver;

    String baseUrl = "http://www.sogou.com";

    @DataProvider(name="testData")

    public static Object[][] words() throws IOException{

        return getTestData("F:\\TestNGWithDataDriven\\dataDriven\\src\\test\\java\\testData", "testData.xlsx", "Sheet1");

    }

    @Test(dataProvider = "testData")

    public void testSearchExcel(String searchWord1, String searchWord2, String searchWord3, String searchResult){

        driver.get(baseUrl + "/");

        driver.findElement(By.id("query")).sendKeys(searchWord1+" "+searchWord2+" "+searchWord3);

        driver.findElement(By.id("stb")).click();

        Assert.assertTrue(driver.getPageSource().contains(searchResult));

    }

    @BeforeMethod

    public void beforeMethod(){

        driver = new ChromeDriver();

    }

    @AfterMethod

    private void afterMethod(){

        driver.quit();

    }

    public static Object[][] getTestData(String filePath, String fileName, String sheetName) throws IOException{

        File file = new File(filePath + "\\" + fileName);

        //创建FileInputStream对象用于读取Excel文件

        FileInputStream inputStream = new FileInputStream(file);

        //声明Workbook对象

        Workbook workbook = null;

        //获取文件名参数的扩展名，判断是.xlsx文件还是.xls文件

        String fileExtensionName = fileName.substring(fileName.indexOf("."));

        //如果是.xlsx,则用XSSFWorkbook对象进行实例化，如果是.xls则使用HSSFWorkbook对象进行实例化

        if (fileExtensionName.equals(".xlsx")){

            workbook = new XSSFWorkbook(inputStream);

        }

        else if (fileExtensionName.equals(".xls")) {

            workbook = new HSSFWorkbook(inputStream);

        }

        //通过sheetName参数生成Sheet对象

        Sheet sheet = workbook.getSheet(sheetName);

        //获取Excel数据文件Sheet1中数据的行数，getLastRowNum方法获取数据的最后一行行号

        //getFirstRowNum方法获取数据的第一行行号，相减之后算出数据的行数

        //Excel行和列都是从0开始

        int rowCount = sheet.getLastRowNum()-sheet.getFirstRowNum();

        //创建名为records的list对象来存储从Excel数据文件读取的数据

        List<Object[]> records = new ArrayList<Object[]>();

        //使用两个for循环遍历Excel数据文件除去第一行外所有数据

        //所以i从1开始，而不是从0开始

        for (int i = 1; i<rowCount+1; i++){

            Row row = sheet.getRow(i);

            //声明一个数组，用来存储Excel数据文件每行中的数据，数组的大小用getLastCellNum办法来进行动态声明，实现测试数据个数和数组大小相一致

            String fields[] = new String[row.getLastCellNum()];

            for (int j = 0; j<row.getLastCellNum();j++){

                //调用getCell和getStringCellValue方法获取Excel文件中的单元格数据

                fields[j] = row.getCell(j).getStringCellValue();

            }

            //将fields的数据兑现存储到records的list中

            records.add(fields);

        }

        //定义函数返回值，即Object[][]

        //将存储测试数据的list转换为一个Object的二维数组

        Object[][] results = new Object[records.size()][];

        //设置二维数组每行的值，每行是一个Object对象

        for (int i = 0; i<records.size(); i++){

            results[i] = records.get(i);

        }

        return results;

    }

}