80 lines
2.7 KiB
JavaScript
80 lines
2.7 KiB
JavaScript
describe('#toBeResolvedTo', function() {
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it('passes if the promise is resolved to the expected value', function() {
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jasmine.getEnv().requirePromises();
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var matcher = jasmineUnderTest.asyncMatchers.toBeResolvedTo(jasmineUnderTest.matchersUtil),
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actual = Promise.resolve({foo: 42});
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return matcher.compare(actual, {foo: 42}).then(function(result) {
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expect(result).toEqual(jasmine.objectContaining({pass: true}));
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});
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});
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it('fails if the promise is rejected', function() {
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jasmine.getEnv().requirePromises();
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var matcher = jasmineUnderTest.asyncMatchers.toBeResolvedTo(jasmineUnderTest.matchersUtil),
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actual = Promise.reject('AsyncExpectationSpec error');
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return matcher.compare(actual, '').then(function(result) {
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expect(result).toEqual(jasmine.objectContaining({
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pass: false,
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message: "Expected a promise to be resolved to '' but it was rejected.",
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}));
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});
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});
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it('fails if the promise is resolved to a different value', function() {
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jasmine.getEnv().requirePromises();
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var matcher = jasmineUnderTest.asyncMatchers.toBeResolvedTo(jasmineUnderTest.matchersUtil),
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actual = Promise.resolve({foo: 17});
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return matcher.compare(actual, {foo: 42}).then(function(result) {
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expect(result).toEqual(jasmine.objectContaining({
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pass: false,
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message: 'Expected a promise to be resolved to Object({ foo: 42 }) but it was resolved to Object({ foo: 17 }).',
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}));
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});
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});
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it('builds its message correctly when negated', function() {
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jasmine.getEnv().requirePromises();
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var matcher = jasmineUnderTest.asyncMatchers.toBeResolvedTo(jasmineUnderTest.matchersUtil),
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actual = Promise.resolve(true);
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return matcher.compare(actual, true).then(function(result) {
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expect(result).toEqual(jasmine.objectContaining({
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pass: true,
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message: 'Expected a promise not to be resolved to true.'
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}));
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});
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});
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it('supports custom equality testers', function() {
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jasmine.getEnv().requirePromises();
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var customEqualityTesters = [function() { return true; }],
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matcher = jasmineUnderTest.asyncMatchers.toBeResolvedTo(jasmineUnderTest.matchersUtil, customEqualityTesters),
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actual = Promise.resolve('actual');
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return matcher.compare(actual, 'expected').then(function(result) {
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expect(result).toEqual(jasmine.objectContaining({pass: true}));
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});
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});
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it('fails if actual is not a promise', function() {
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var matcher = jasmineUnderTest.asyncMatchers.toBeResolvedTo(jasmineUnderTest.matchersUtil),
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actual = 'not a promise';
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function f() {
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return matcher.compare(actual);
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}
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expect(f).toThrowError(
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'Expected toBeResolvedTo to be called on a promise.'
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);
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});
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});
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