Testing location data with edge cases, not just happy paths
An address in a well mapped city center tells you almost nothing about how your system handles a rural route, a disputed border, or a query near the poles. Test the hard cases deliberately.
Tag
#testing
Handling response schema differences during a migration
Even a well-matched replacement provider will differ from the original in small schema details. Here is how to find and handle those differences properly.
Test your integration without spending your daily quota
The free daily allowance exists for exactly this, building and testing an integration before any money or a key is involved.
Why time zone bugs are usually a testing problem, not a data problem
Most time zone bugs do not come from bad data. They come from code that was never tested against the one week a year when the rules actually change.
Why address data should not require a sales call to test
A geocoding API that gates real testing behind a sales conversation is asking a developer for trust before it has actually earned any of it.
Mapping error codes between providers before you switch
Error handling code is often the most overlooked part of a provider migration. Here is how to map error codes properly before cutting over.
A checklist for running two providers side by side
Running two geocoding providers at once, even temporarily, requires a bit of deliberate structure. Here is a practical checklist for doing it well.
Measuring coverage with a fixed set of reference addresses
Coverage is not one number, it is the answer to thousands of individual questions: can this specific address be found. A fixed reference set is how you actually answer that at scale.
Why sandbox environments should be free
A sandbox that costs money just to test in is not really a sandbox at all. It is a paid tier wearing a testing costume for the pricing page.