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tests: Teach waitFor() to reject if the predicate throws

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Richard Hansen 2020-10-13 21:57:19 -04:00 • committed by John McLear
parent 262eb9af60
commit 8016bd225f
2 changed files with 15 additions and 8 deletions
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9
tests/frontend/specs/helper.js
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@ -155,6 +155,15 @@ describe("the test helper", function(){
});
});
it('rejects if the predicate throws', async function() {
let err;
await helper.waitFor(() => { throw new Error('test exception'); })
.fail(() => {}) // Suppress the redundant uncatchable exception.
.catch((e) => { err = e; });
expect(err).to.be.an(Error);
expect(err.message).to.be('test exception');
});
describe("returns a deferred object", function(){
it("it calls done after success", function(done){
helper.waitFor(function(){