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Serenity/JS: Next generation acceptance testing library for modern web applications.
54 lines (43 loc) • 1.52 kB
JavaScript
const { Ability, actorCalled, engage, Interaction } = require('@serenity-js/core');
describe('Mocha reporting', () => {
before(() => engage(new Actors()));
describe('A screenplay scenario', () => {
// even if an ability is not discarded successfully, the subsequent tests should still be executed
it(`fails when discarding an ability fails`, () =>
actorCalled('Donald')
.attemptsTo(
NotDoTooMuch(),
));
it(`succeeds when ability is discarded successfully`, () =>
actorCalled('Alice')
.attemptsTo(
NotDoTooMuch(),
));
it(`fails if the ability fails to discard again`, () =>
actorCalled('Donald')
.attemptsTo(
NotDoTooMuch(),
));
});
});
class Actors {
prepare(actor) {
switch (actor.name) {
case 'Donald':
return actor.whoCan(new CauseErrorWhenAbilityDiscarded());
default:
return actor.whoCan(new SucceedWhenAbilityDiscarded());
}
}
}
const NotDoTooMuch = () => Interaction.where(`#actor doesn't do much`, () => void 0);
class CauseErrorWhenAbilityDiscarded extends Ability {
discard() {
return Promise.reject(new TypeError(`Some internal error in ability`));
}
}
class SucceedWhenAbilityDiscarded extends Ability {
discard() {
return Promise.resolve();
}
}