NestJS inatoa testing utility iliyojengwa ndani (@nestjs/testing) iliyojumuishwa na Jest, na architecture yake ya dependency-injection inafanya upimaji kuwa safi hasa — unaunda testing module na kuingiza mocks kwa dependencies. Tests zinagawanyika katika unit tests (zilizotengwa) na e2e tests (full app).
Unit testing ya service (yenye mocked dependencies)
{ } ;
(, {
: ;
mockRepo = { : jest.(), : jest.() };
( () => {
= .({
: [
,
{ : (), : mockRepo },
],
}).();
service = .<>();
});
(, () => {
mockRepo..([{ : , : }]);
result = service.();
(result).();
(mockRepo.).();
});
});
