Assertions er udsagn i en test, der kontrollerer, om en betingelse er sand — de verificerer, at det faktiske resultat matcher det forventede resultat. De er kernen i, hvordan tests bestemmer pass eller fail: hvis en assertion fejler, fejler testen.
Hvad assertions gør
An ASSERTION checks that something is as expected:
→ "assert that the actual value EQUALS the expected value"
→ if TRUE → the assertion passes; if FALSE → the assertion FAILS → the TEST FAILS
→ Assertions are how a test VERIFIES behavior (the "check" part of a test).
Almindelige assertion-typer
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