Thursday, July 9

Capture and assert method arguments with Mockito ArgumentCaptor

Write a JUnit 5 parameterized test with @MethodSource

Regex-based response field validator

FIRST_VALUE to compare each order to the customer's first order

You need to test a feature where a scheduled job partitions order data by month. After the job runs, your test query returns zero rows from the expected partition. How do you diagnose the problem?

You are testing a checkout flow where a third-party payment iframe loads from `payments.example.com`. Playwright cannot directly interact with cross-origin iframes. How do you test the full end-to-end checkout without bypassing iframe restrictions?

Your Playwright test suite runs in 20 minutes on a single CI machine. Product leadership wants it under 5 minutes. What is your strategy?

Scenario: Validate a specific object inside a JSON array by a field value.

Scenario: How do you assert response time and headers?

Property-Based Test for a Date Range Validator