Test suites (testng.xml) in Selenium Java - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define the root element of a TestNG suite in testng.xml.

Selenium Java

<[1] name="SampleSuite">
</[1]>

Drag options to blanks, or click blank then click option'

Atest

Bclasses

Csuite

Dpackage

Attempts:

3 left

💡 Hint

Common Mistakes

Using as root element instead of

Using or as root element

The root element of a TestNG suite file is <suite>. It defines the entire test suite.

2fill in blank

medium

Complete the code to define a test inside the suite in testng.xml.

Selenium Java

<suite name="SampleSuite">
  <[1] name="LoginTests">
  </[1]>
</suite>

Drag options to blanks, or click blank then click option'

Apackage

Bsuite

Cclass

Dtest

Attempts:

3 left

💡 Hint

Common Mistakes

Using inside instead of

Using or as test container

The <test> element defines a test inside the suite. It groups classes or methods to run.

3fill in blank

hard

Fix the error in the code to correctly specify a test class in testng.xml.

Selenium Java

<suite name="SampleSuite">
  <test name="LoginTests">
    <classes>
      <[1] name="tests.LoginTest" />
    </classes>
  </test>
</suite>

Drag options to blanks, or click blank then click option'

Atest

Bclass

Cclasses

Dpackage

Attempts:

3 left

💡 Hint

Common Mistakes

Using instead of for a single class

Using or inside

The <class> element specifies a single test class inside . Using or here is incorrect.

4fill in blank

hard

Fill both blanks to include two test classes inside a test in testng.xml.

Selenium Java

<suite name="SampleSuite">
  <test name="RegressionTests">
    <classes>
      <[1] name="tests.HomeTest" />
      <[2] name="tests.ProfileTest" />
    </classes>
  </test>
</suite>

Drag options to blanks, or click blank then click option'

Aclass

Btest

Csuite

Dpackage

Attempts:

3 left

💡 Hint

Common Mistakes

Using different elements like or inside

Mixing and elements

Each test class inside must be defined with the <class> element.

5fill in blank

hard

Fill all three blanks to define a suite with two tests, each having one test class in testng.xml.

Selenium Java

<[1] name="FullSuite">
  <[2] name="SmokeTests">
    <classes>
      <[3] name="tests.SmokeTest" />
    </classes>
  </[2]>
  <test name="SanityTests">
    <classes>
      <class name="tests.SanityTest" />
    </classes>
  </test>
</[1]>

Drag options to blanks, or click blank then click option'

Asuite

Btest

Cclass

Dpackage

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up and elements

Using instead of for test classes

The root element is <suite>, inside it tests are defined with <test>, and test classes with <class>.

Practice

1. What is the main purpose of the testng.xml file in Selenium testing?

easy

A. To write the Selenium WebDriver code

B. To store test data like usernames and passwords

C. To group and organize test classes and methods to run together

D. To generate HTML reports after test execution

Solution

1. Step 1: Understand the role of testng.xml

   The testng.xml file is used to define which tests to run and how to organize them.

2. Step 2: Identify the main purpose

   It groups test classes and methods so they can be run together as a suite.

3. Final Answer:

   To group and organize test classes and methods to run together -> Option C

4. Quick Check:

   Test suite grouping = To group and organize test classes and methods to run together [OK]

Hint: Remember: testng.xml organizes tests to run as a group [OK]

Common Mistakes:

• Confusing testng.xml with test code files
• Thinking testng.xml stores test data
• Assuming testng.xml generates reports

2. Which of the following is the correct way to define a test suite in testng.xml?

easy

A.

B.

C.

D.

Solution

1. Step 1: Recall the correct XML structure for TestNG suites

   The root element is <suite>, inside it we define <test>, then <classes> and <class>.

2. Step 2: Match the options with correct structure

   correctly follows this order and syntax.

3. Final Answer:

   <suite name="MySuite"><test name="Test1"><classes><class name="TestClass"/></classes></test></suite> -> Option A

4. Quick Check:

   Suite > Test > Classes > Class = [OK]

Hint: Remember XML order: suite > test > classes > class [OK]

Common Mistakes:

• Swapping <suite> and <test> tags
• Placing <class> directly under <suite>
• Using wrong tag names or attributes

3. Given the following testng.xml snippet, what tests will run?

<suite name="Suite1" parallel="tests" thread-count="2">
  <test name="TestA">
    <classes>
      <class name="tests.LoginTest"/>
    </classes>
  </test>
  <test name="TestB">
    <classes>
      <class name="tests.PaymentTest"/>
    </classes>
  </test>
</suite>

medium

A. No tests run due to missing methods tag

B. Both LoginTest and PaymentTest run in parallel as separate tests

C. Tests run sequentially, LoginTest then PaymentTest

D. Only LoginTest runs because it is first

Solution

1. Step 1: Analyze the parallel attribute in <suite>

   The attribute parallel="tests" means each <test> runs in parallel threads.

2. Step 2: Identify the tests defined

   There are two tests: TestA with LoginTest class and TestB with PaymentTest class.

3. Final Answer:

   Both LoginTest and PaymentTest run in parallel as separate tests -> Option B

4. Quick Check:

   parallel="tests" runs tests simultaneously = Both LoginTest and PaymentTest run in parallel as separate tests [OK]

Hint: parallel="tests" runs each <test> in parallel [OK]

Common Mistakes:

• Assuming tests run sequentially despite parallel attribute
• Thinking <methods> tag is mandatory to run tests
• Confusing parallel="tests" with parallel="classes"

4. You have this testng.xml file but tests are not running:

<suite name="Suite1">
  <test name="Test1">
    <class name="TestClass">
    </class>
  </test>
</suite>

What is the likely problem?

medium

A. The <suite> tag must include thread-count

B. The <test> tag is missing the parallel attribute

C. The class name must include the package name

D. The <class> tag should be self-closing or empty, not with separate open and close tags

Solution

1. Step 1: Check the <class> tag syntax

   In TestNG XML, <class> should be self-closing like <class name="TestClass"/> or empty without content.

2. Step 2: Identify the error in the given XML

   The given XML uses separate open and close tags for <class> which is invalid and causes tests not to run.

3. Final Answer:

   The <class> tag should be self-closing or empty, not with separate open and close tags -> Option D

4. Quick Check:

   Use self-closing <class> tag = The <class> tag should be self-closing or empty, not with separate open and close tags [OK]

Hint: Use self-closing tag in testng.xml [OK]

Common Mistakes:

• Adding parallel attribute thinking it fixes syntax
• Forgetting package name but that doesn't stop tests
• Assuming thread-count is mandatory

5. You want to run two test classes LoginTest and PaymentTest in parallel but limit total threads to 1 in testng.xml. Which configuration achieves this?

hard

A.

B.

C.

D.

Solution

1. Step 1: Understand parallel and thread-count attributes

   Setting parallel="classes" runs test classes in parallel, and thread-count="1" limits to one thread, so classes run one at a time.

2. Step 2: Check options for matching configuration

   sets parallel to classes and thread-count to 1, matching the requirement.

3. Final Answer:

   Option A configuration runs classes in parallel but limits threads to 1 -> Option A

4. Quick Check:

   parallel="classes" + thread-count=1 = [OK]

Hint: parallel="classes" with thread-count=1 runs classes sequentially [OK]

Common Mistakes:

• Using parallel="tests" with thread-count > 1 runs multiple threads
• Omitting parallel attribute runs tests sequentially
• Confusing parallel="methods" with classes