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Assertions and Validation
Visibility Validation
Learning Outcome
5
Apply visibility validation before interacting with UI elements.
4
Differentiate between Visibility Validation and Presence Validation
3
Use assertion-based and boolean-based visibility checks
2
Verify whether an element is visible
1
Explain Visibility Validation.
What is Visibility Validation?
Visibility Validation verifies whether a web element is displayed on the webpage and visible to the user
"Is the element displayed on the screen?"
Examples include:
Login Button
Username Textbox
Password Field
Company Logo
Dashboard Heading
How Visibility Validation Works
Locate Element
Check Visibility
Visible
Hidden
PASS
FAIL
General Workflow
Locate the element
Verify visibility.
If visible → Continue execution
If hidden → Report failure
Methods for Visibility Validation
Assertion-Based Validation (Recommended)
assertThat(locator).isVisible();Automatically fails the test if the element is not visible
Best choice for automation testing
Boolean Validation
boolean status = locator.isVisible();
Returns:
true
false
Visibility Validation vs Presence Validation
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Presence Validation |
Visibility Validation |
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Why is Visibility Validation Important?
Visibility Validation helps ensure that:
UI components are displayed correctly
Users can interact with elements
Controls are available before actions are performed
Tests are more stable and reliable
Always validate visibility before:
click()
fill()
hover()
dragTo()
Best Practice
Prefer assertion-based validation using:
Use locator.isVisible() only when boolean logic is required
Validate visibility before interacting with dynamic UI elements
Avoid clicking hidden elements
Combine visibility checks with Playwright's Auto-Wait for reliable execution
Summary
5
Validate visibility before interacting
4
visibility Validation is different from Presence Validation
3
Playwright supports assertion and boolean visibility checks
2
It helps prevent interaction failures
1
Visibility Validation: Checks if an element is visible to the user
Quiz
Visibility Validation checks whether
A. Element exists
B. Element is displayed
C. Element is enabled
D. Element is clicked
Quiz-Answer
Visibility Validation checks whether
A. Element exists
B. Element is displayed
C. Element is enabled
D. Element is clicked
Visibility Validation
By Content ITV
