Test data management using properties files

In Selenium test automation, you should manage test data efficiently. Properties files are a convenient way to store and access test data, keeping it separate from the test scripts.

Examples

// Example 1: Reading from a properties file
Properties prop = new Properties();
FileInputStream input = new FileInputStream("testData.properties");
prop.load(input);
String username = prop.getProperty("username");
String password = prop.getProperty("password");

// Example 2: Writing to a properties file
Properties prop = new Properties();
prop.setProperty("username", "exampleUser");
prop.setProperty("password", "password123");
FileOutputStream output = new FileOutputStream("testData.properties");
prop.store(output, "Test Data");

// Example 3: Using test data from properties file in test script
@Test
public void loginTest() {
    LoginPage loginPage = new LoginPage(driver);
    loginPage.enterUsername(prop.getProperty("username"));
    loginPage.enterPassword(prop.getProperty("password"));
    loginPage.clickLoginButton();
}

FAQ (interview questions and answers)

1. What is the purpose of using properties files for test data management?
   To execute test cases
   To manage test reports
   To store and access test data separately from test scripts
   
2. How do you read data from a properties file in Selenium?
   By executing test cases
   By using the Properties class and FileInputStream
   By storing data directly in the test script
   
3. What is the benefit of storing test data in properties files?
   To complicate test execution
   To slow down test execution
   To keep test data separate from test scripts for easy management
   
4. How do you write data to a properties file in Selenium?
   By using the Properties class and FileOutputStream
   By executing test cases
   By manually editing the file
   
5. What happens if the properties file containing test data is not found?
   Selenium WebDriver throws an exception, and the test script fails
   The test script continues execution without test data
   The test script waits for the file to be created
   

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