所以我试图使用@Test Annotations调用测试并为我需要的变量调用属性文件。我想尽可能具体，所以你们可以关注最新情况，但问题是我不明白我收到的错误是如何影响我正在测试的。我会尝试解释并说清楚。
package dataSheet;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.ie.InternetExplorerDriver;
import org.testng.annotations.Parameters;
import toolsBS.Login;
public class ReadFileData extends Login {
WebDriver driver;
Login objLogin; // Declare a variable of type Login
public ReadFileData(WebDriver driver) {
super(driver);
// TODO Auto-generated constructor stub
}
File file = new File(
"C:\\Users\\andy.williams\\BlueSource\\src\\main\\java\\dataSheet\\dataFile.properties");
FileInputStream fileInput;
{
try {
fileInput = new FileInputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
Properties prop = new Properties();
{
// load properties file
try {
prop.load(fileInput);
} catch (IOException e) {
e.printStackTrace();
}
}
public void Setup() {
String browser = prop.getProperty("dataFile.browser");
String getURL = prop.getProperty("dataFile.URL");
String strUsername = prop.getProperty("dataFile.Username");
String strPassword = prop.getProperty("dataFile.Password");
if (browser.equalsIgnoreCase("firefox")) { // Compares this String to
// another String, ignoring case considerations. Two
// strings are considered equal ignoring case if
// they are of the same length and corresponding characters in the
// two strings are equal ignoring case.
driver = new FirefoxDriver(); // Construct a new object and store a
// reference to it in the variable.
}
else if (browser.equalsIgnoreCase("chrome")) { // Compares this String
// to another String, ignoring case considerations. Two
// strings are considered equal ignoring case if they are of the
// same length and corresponding characters in the two strings are
// equal ignoring case.
System.setProperty("webdriver.chrome.driver",
"C:\\Users\\andy.williams\\Desktop\\chromedriver.exe"); // Set
// to
// specified
// Browser
driver = new ChromeDriver(); // Construct a new object and store a
// reference to it in the variable.
}
else if (browser.equalsIgnoreCase("InternetExplorer")) {
// Compares this String to another String, ignoring case
// considerations. Two strings are considered equal
// ignoring case if they are of the same length and
// corresponding characters in the two strings are equal ignoring
// case.
System.setProperty("webdriver.ie.driver",
"C:\\Users\\andy.williams\\Desktop\\IEDriverServer.exe"); // Set
// to
// specified
// Browser
driver = new InternetExplorerDriver(); // Construct a new object and
// store a reference to it
// in the variable.
}
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS); // Set
// Specified
// Time
// Before
// Timeout
driver.get(getURL); // Call desired parameter to initiate the URL
// Selection
driver.manage().window().maximize(); // Maximize WebDriver window
objLogin = new Login(driver); // Construct a new object and store a
// reference to it in the variable.
objLogin.loginToBlueSource(strUsername, strPassword); // Calling method
// from login
// class
// assigning
// desired
// Username and
// Password
}
}
这是我的数据文件
# This file is used to store URL,browser and Login Credentials
browser=chrome
URL=http://bluesourcestaging.herokuapp.com/login
Username=adam.thomas
Password=asdf
现在我将告诉你我正在打电话的考试。
package calendarPage;
import org.openqa.selenium.WebDriver;
import org.testng.Assert;
import org.testng.Reporter;
import org.testng.annotations.AfterTest;
import org.testng.annotations.Parameters;
import org.testng.annotations.Test;
import toolsBS.Login;
import calendar.Calendar;
import dataSheet.ReadFileData;
public class Practice extends ReadFileData {
WebDriver driver;
Login objLogin; // Declare a variable of type Login
Calendar objCal; // Declare a variable of type Calendar
public Practice(WebDriver driver) {
super(driver);
// TODO Auto-generated constructor stub
}
@Test
// Call the Current Test
public void Practice() { // Call Method
Setup(); // Call Setup from ReadFileData Class
objCal = new Calendar(driver); // Construct a new object and store a
// reference to it in the variable.
Assert.assertTrue(objCal.CalendarPageLoaded(), // Assert Method
// called returns value
// of True, otherwise
// state the page didn't
// load
"Calendar Page didn't Load");
Reporter.log("Success, the Calendar Page Loaded<br>"); // Reports
// success of
// the desired
// Test/Method
}
// ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
@AfterTest
// The annotated method will be run after all the test methods belonging to
// the classes inside the <test> tag have run.
public void closeBrowser() {
driver.getCurrentUrl();
driver.quit(); // close browser after each test
}
}
最后，这是我收到的错误。
[TestNG] Running:
C:\Users\andy.williams\AppData\Local\Temp\testng-eclipse--300217712\testng-customsuite.xml
FAILED CONFIGURATION: @AfterTest closeBrowser
java.lang.NullPointerException
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:178)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:138)
at org.testng.TestRunner.afterRun(TestRunner.java:1014)
at org.testng.TestRunner.run(TestRunner.java:621)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
at org.testng.TestNG.run(TestNG.java:1057)
at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)
FAILED: Practice
org.testng.TestNGException:
Can't invoke public void calendarPage.Practice.Practice(): either make it static or add a no-args constructor to your class
at org.testng.internal.Utils.checkInstanceOrStatic(Utils.java:795)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:40)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
at org.testng.TestRunner.privateRun(TestRunner.java:767)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
at org.testng.TestNG.run(TestNG.java:1057)
at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)
===============================================
Default test
Tests run: 1, Failures: 1, Skips: 0
Configuration Failures: 1, Skips: 0
===============================================
===============================================
Default suite
Total tests run: 1, Failures: 1, Skips: 0
Configuration Failures: 1, Skips: 0
===============================================
I am not sure what I am doing wrong as I thought my code logic was correct.
答案 0 :(得分：2)
您尚未定义无参数构造函数：
public Practice(){
...
}
您已经定义了一个名为Practice的公共void方法，IDE确实会向您发出警告。