Overview
Tests involving date fields may fail intermittently when the entered date value disappears from the field. This often occurs because a subsequent 'Enter' key action triggers unexpected behavior in the application, causing the input to be cleared and leading to a test failure.
How It Works
The issue is typically caused by an explicit Enter key action that is executed immediately after the date is entered into the field. This action can trigger client-side JavaScript events that interfere with the test's execution.
Common reasons why the 'Enter' key causes this behavior include:
- Form Submission or Refresh: The 'Enter' key can trigger a form submission or a partial page refresh, which may reset the values in certain fields.
- Custom Validation Logic: Many date fields have custom JavaScript for validation or formatting. Pressing 'Enter' can activate this script, which may inadvertently clear or reformat the input value.
- Automation vs. User Behavior Mismatch: A real user often clicks outside a field or tabs to the next one after entering a date. An automated test that explicitly presses 'Enter' introduces an action that may not align with typical user behavior, triggering unintended application logic.
The solution is to remove or skip the 'Enter' action after the date has been entered. When the Enter action is removed, no extra JavaScript event is triggered, the field value remains stable, and the test case can execute as expected.
Limitations
This solution is effective when the 'Enter' key is not a required part of the application's workflow for that specific field. If the application is designed to require an 'Enter' key press to validate or submit the date, removing this step may not resolve the issue and could cause other failures.
Related Info
For more complex scenarios, it may be necessary to analyze the application's client-side code to understand the specific events tied to the date field and 'Enter' key.