Pull async matchers out to their own functions

- Makes AsyncExpectation closer to Expectation
This commit is contained in:
Gregg Van Hove
2018-10-23 16:02:31 -07:00
parent ba1e8f8008
commit 1e47dcf2cc
15 changed files with 566 additions and 617 deletions

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describe('toBeRejected', function() {
it('passes if the actual is rejected', function() {
jasmine.getEnv().requirePromises();
var matcher = jasmineUnderTest.asyncMatchers.toBeRejected(jasmineUnderTest.matchersUtil),
actual = Promise.reject('AsyncExpectationSpec rejection');
return matcher.compare(actual).then(function(result) {
expect(result).toEqual(jasmine.objectContaining({pass: true}));
});
});
it('fails if the actual is resolved', function() {
jasmine.getEnv().requirePromises();
var matcher = jasmineUnderTest.asyncMatchers.toBeRejected(jasmineUnderTest.matchersUtil),
actual = Promise.resolve();
return matcher.compare(actual).then(function(result) {
expect(result).toEqual(jasmine.objectContaining({pass: false}));
});
});
});

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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}));
});
});
});

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describe('toBeResolved', function() {
it('passes if the actual is resolved', function() {
jasmine.getEnv().requirePromises();
var matcher = jasmineUnderTest.asyncMatchers.toBeResolved(jasmineUnderTest.matchersUtil),
actual = Promise.resolve();
return matcher.compare(actual).then(function(result) {
expect(result).toEqual(jasmine.objectContaining({pass: true}));
});
});
it('fails if the actual is rejected', function() {
jasmine.getEnv().requirePromises();
var matcher = jasmineUnderTest.asyncMatchers.toBeResolved(jasmineUnderTest.matchersUtil),
actual = Promise.reject('AsyncExpectationSpec rejection');
return matcher.compare(actual).then(function(result) {
expect(result).toEqual(jasmine.objectContaining({pass: false}));
});
});
});

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