Testing | Notion

Term	Meaning
E2E	Full browser + real (or stubbed) network; tests user-visible paths.
Smoke	Minimal checks that the build runs and critical UI appears.
Regression	Re-run after fixes to prevent bugs from returning.
Negative testing	Assert something does not happen until the right moment (e.g. no error).
Route interception	Replace server responses to test UI without a real backend.
Layout / viewport	Assert geometry or responsive behavior.
Acceptance	Behavior matches product intent (often tied to tickets).

unit vs integration vs system vs acceptance - levels of testing
sanity vs smoke vs regression vs E2E vs API- types of functional testing
non-functional testing
- performance, load, stress
- security, usability, compatibility
black vs white vs gray box testing
CI gate test - automated checkpoint within a software development pipeline that prevents code from being merged or deployed if it fails to meet pre-defined quality, security, or performance standards