integration-testing – Page 9 – Türker Yıldırım

Asserting on the job that was dispatched, and on the job itself

NoteApril 2, 20192 min read

Testing that a controller queued something by starting a worker and waiting is slow and flaky; testing it by reading the queue table couples the test to the…

A contract test is a recorded response replayed

NoteMarch 27, 20192 min read

The response a shipped mobile client expects is a fact about the past, and the cheapest way to keep it true is to record one and replay it…

PHPUnit 8 and the deprecations with a deadline

Deep diveFebruary 6, 20198 min read

void return types on setUp, and a fatal error rather than a warning. The mechanical pass, the one it cannot do, and the assertion split that is not…

Testing what the database actually does

Deep diveOctober 21, 201810 min read

The repository test passed against a mock and failed against MySQL. A mock asserts what you believe the database does, which is the thing in question.

Transactions per test are faster than truncation

NoteSeptember 19, 20182 min read

Resetting the database between tests by truncating every table costs a statement per table per test, which on forty tables and four hundred tests is sixteen thousand statements.…

An integration test needs a real database or it proves nothing

NoteJune 5, 20182 min read

A repository test against a mocked connection asserts that the code calls the methods you expected, which is a restatement of the code rather than a check on…

Autowiring, and what the container is allowed to guess

Deep diveMay 17, 201810 min read

services.yaml went from four hundred lines to twelve. Where the guessing stops is the part worth knowing before it stops in production.

Testing a queue worker without running a queue

NoteMarch 15, 20182 min read

Testing that a controller queued a job by starting a worker and waiting is slow and flaky, and testing it by asserting on the queue table couples the…

Assert against the database, not against the response

NoteJune 15, 20172 min read

A feature test asserting a 302 and a flash message proves the controller ran. It does not prove the order was created, and it passes just as happily…

A contract test for the API you depend on

NoteApril 17, 20172 min read

Mocking an upstream service makes the suite fast and guarantees nothing about the upstream still behaving that way. A contract test is a small suite that runs against…