Files
jasmine/spec/core/matchers/async/toBeRejectedWithSpec.js
2019-08-30 09:30:14 -07:00

77 lines
2.7 KiB
JavaScript

describe('#toBeRejectedWith', function () {
it('should return true if the promise is rejected with the expected value', function () {
jasmine.getEnv().requirePromises();
var matcher = jasmineUnderTest.asyncMatchers.toBeRejectedWith(jasmineUnderTest.matchersUtil),
actual = Promise.reject({error: 'PEBCAK'});
return matcher.compare(actual, {error: 'PEBCAK'}).then(function (result) {
expect(result).toEqual(jasmine.objectContaining({ pass: true }));
});
});
it('should fail if the promise resolves', function () {
jasmine.getEnv().requirePromises();
var matcher = jasmineUnderTest.asyncMatchers.toBeRejectedWith(jasmineUnderTest.matchersUtil),
actual = Promise.resolve();
return matcher.compare(actual, '').then(function (result) {
expect(result).toEqual(jasmine.objectContaining({ pass: false }));
});
});
it('should fail if the promise is rejected with a different value', function () {
jasmine.getEnv().requirePromises();
var matcher = jasmineUnderTest.asyncMatchers.toBeRejectedWith(jasmineUnderTest.matchersUtil),
actual = Promise.reject('A Bad Apple');
return matcher.compare(actual, 'Some Cool Thing').then(function (result) {
expect(result).toEqual(jasmine.objectContaining({
pass: false,
message: "Expected a promise to be rejected with 'Some Cool Thing' but it was rejected with 'A Bad Apple'.",
}));
});
});
it('should build its error correctly when negated', function () {
jasmine.getEnv().requirePromises();
var matcher = jasmineUnderTest.asyncMatchers.toBeRejectedWith(jasmineUnderTest.matchersUtil),
actual = Promise.reject(true);
return matcher.compare(actual, true).then(function (result) {
expect(result).toEqual(jasmine.objectContaining({
pass: true,
message: 'Expected a promise not to be rejected with true.'
}));
});
});
it('should support custom equality testers', function () {
jasmine.getEnv().requirePromises();
var customEqualityTesters = [function() { return true; }],
matcher = jasmineUnderTest.asyncMatchers.toBeRejectedWith(jasmineUnderTest.matchersUtil, customEqualityTesters),
actual = Promise.reject('actual');
return matcher.compare(actual, 'expected').then(function(result) {
expect(result).toEqual(jasmine.objectContaining({pass: true}));
});
});
it('fails if actual is not a promise', function() {
var matcher = jasmineUnderTest.asyncMatchers.toBeRejectedWith(jasmineUnderTest.matchersUtil),
actual = 'not a promise';
function f() {
return matcher.compare(actual);
}
expect(f).toThrowError(
'Expected toBeRejectedWith to be called on a promise.'
);
});
});