551 lines
18 KiB
JavaScript
551 lines
18 KiB
JavaScript
// TODO: Fix these unit tests!
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describe('Env', function() {
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var env;
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beforeEach(function() {
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env = new jasmineUnderTest.Env();
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});
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afterEach(function() {
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env.cleanup_();
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});
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describe('#pending', function() {
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it('throws the Pending Spec exception', function() {
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expect(function() {
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env.pending();
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}).toThrow(jasmineUnderTest.Spec.pendingSpecExceptionMessage);
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});
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it('throws the Pending Spec exception with a custom message', function() {
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expect(function() {
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env.pending('custom message');
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}).toThrow(
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jasmineUnderTest.Spec.pendingSpecExceptionMessage + 'custom message'
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);
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});
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});
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describe('#topSuite', function() {
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it('returns the Jasmine top suite for users to traverse the spec tree', function() {
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var suite = env.topSuite();
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expect(suite.description).toEqual('Jasmine__TopLevel__Suite');
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});
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});
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it('accepts its own current configureation', function() {
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env.configure(env.configuration());
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});
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it('can configure specs to throw errors on expectation failures', function() {
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env.configure({ oneFailurePerSpec: true });
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spyOn(jasmineUnderTest, 'Spec');
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env.it('foo', function() {});
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expect(jasmineUnderTest.Spec).toHaveBeenCalledWith(
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jasmine.objectContaining({
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throwOnExpectationFailure: true
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})
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);
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});
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it('can configure suites to throw errors on expectation failures', function() {
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env.configure({ oneFailurePerSpec: true });
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spyOn(jasmineUnderTest, 'Suite');
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env.describe('foo', function() {});
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expect(jasmineUnderTest.Suite).toHaveBeenCalledWith(
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jasmine.objectContaining({
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throwOnExpectationFailure: true
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})
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);
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});
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it('ignores configuration properties that are present but undefined', function() {
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var initialConfig = {
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random: true,
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seed: '123',
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failFast: true,
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failSpecWithNoExpectations: true,
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oneFailurePerSpec: true,
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stopSpecOnExpectationFailure: true,
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stopOnSpecFailure: true,
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hideDisabled: true
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};
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env.configure(initialConfig);
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env.configure({
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random: undefined,
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seed: undefined,
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failFast: undefined,
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failSpecWithNoExpectations: undefined,
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oneFailurePerSpec: undefined,
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stopSpecOnExpectationFailure: undefined,
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stopOnSpecFailure: undefined,
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hideDisabled: undefined
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});
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expect(env.configuration()).toEqual(
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jasmine.objectContaining(initialConfig)
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);
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});
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it('sets stopOnSpecFailure when failFast is set, and vice versa', function() {
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env.configure({ failFast: true });
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expect(env.configuration()).toEqual(
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jasmine.objectContaining({
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failFast: true,
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stopOnSpecFailure: true
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})
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);
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env.configure({ stopOnSpecFailure: false });
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expect(env.configuration()).toEqual(
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jasmine.objectContaining({
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failFast: false,
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stopOnSpecFailure: false
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})
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);
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});
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it('rejects a single call that sets stopOnSpecFailure and failFast to different values', function() {
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expect(function() {
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env.configure({ failFast: true, stopOnSpecFailure: false });
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}).toThrowError(
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'stopOnSpecFailure and failFast are aliases for each ' +
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"other. Don't set failFast if you also set stopOnSpecFailure."
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);
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});
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it('sets stopSpecOnExpectationFailure when oneFailurePerSpec is set, and vice versa', function() {
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env.configure({ oneFailurePerSpec: true });
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expect(env.configuration()).toEqual(
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jasmine.objectContaining({
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oneFailurePerSpec: true,
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stopSpecOnExpectationFailure: true
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})
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);
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env.configure({ stopSpecOnExpectationFailure: false });
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expect(env.configuration()).toEqual(
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jasmine.objectContaining({
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oneFailurePerSpec: false,
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stopSpecOnExpectationFailure: false
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})
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);
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});
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it('rejects a single call that sets stopSpecOnExpectationFailure and oneFailurePerSpec to different values', function() {
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expect(function() {
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env.configure({
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oneFailurePerSpec: true,
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stopSpecOnExpectationFailure: false
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});
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}).toThrowError(
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'stopSpecOnExpectationFailure and oneFailurePerSpec are ' +
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"aliases for each other. Don't set oneFailurePerSpec if you also set " +
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'stopSpecOnExpectationFailure.'
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);
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});
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describe('promise library', function() {
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it('can be configured without a custom library', function() {
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env.configure({});
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env.configure({ Promise: undefined });
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});
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it('can be configured with a custom library', function() {
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var myLibrary = {
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resolve: jasmine.createSpy(),
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reject: jasmine.createSpy()
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};
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env.configure({ Promise: myLibrary });
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});
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it('cannot be configured with an invalid promise library', function() {
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var myLibrary = {};
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expect(function() {
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env.configure({ Promise: myLibrary });
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}).toThrowError(
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'Custom promise library missing `resolve`/`reject` functions'
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);
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});
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});
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it('defaults to multiple failures for specs', function() {
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spyOn(jasmineUnderTest, 'Spec');
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env.it('bar', function() {});
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expect(jasmineUnderTest.Spec).toHaveBeenCalledWith(
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jasmine.objectContaining({
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throwOnExpectationFailure: false
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})
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);
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});
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it('defaults to multiple failures for suites', function() {
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spyOn(jasmineUnderTest, 'Suite');
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env.describe('foo', function() {});
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expect(jasmineUnderTest.Suite).toHaveBeenCalledWith(
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jasmine.objectContaining({
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throwOnExpectationFailure: false
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})
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);
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});
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describe('#describe', function() {
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it('throws an error when given arguments', function() {
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expect(function() {
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env.describe('done method', function(done) {});
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}).toThrowError('describe does not expect any arguments');
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});
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it('throws an error when it receives a non-fn argument', function() {
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// Some versions of PhantomJS return [object DOMWindow] when
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// Object.prototype.toString.apply is called with `undefined` or `null`.
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// In a similar fashion, IE8 gives [object Object] for both `undefined`
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// and `null`. We mostly just want these tests to check that using
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// anything other than a function throws an error.
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expect(function() {
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env.describe('undefined arg', undefined);
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}).toThrowError(
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/describe expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/
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);
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expect(function() {
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env.describe('null arg', null);
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}).toThrowError(
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/describe expects a function argument; received \[object (Null|DOMWindow|Object)\]/
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);
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expect(function() {
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env.describe('array arg', []);
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}).toThrowError(
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'describe expects a function argument; received [object Array]'
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);
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expect(function() {
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env.describe('object arg', {});
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}).toThrowError(
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'describe expects a function argument; received [object Object]'
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);
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expect(function() {
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env.describe('fn arg', function() {});
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}).not.toThrowError(
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'describe expects a function argument; received [object Function]'
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);
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});
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});
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describe('#it', function() {
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it('throws an error when it receives a non-fn argument', function() {
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expect(function() {
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env.it('undefined arg', null);
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}).toThrowError(
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/it expects a function argument; received \[object (Null|DOMWindow|Object)\]/
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);
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});
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it('does not throw when it is not given a fn argument', function() {
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expect(function() {
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env.it('pending spec');
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}).not.toThrow();
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});
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it('accepts an async function', function() {
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jasmine.getEnv().requireAsyncAwait();
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expect(function() {
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env.it('async', jasmine.getEnv().makeAsyncAwaitFunction());
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}).not.toThrow();
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});
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it('throws an error when the timeout value is too large for setTimeout', function() {
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expect(function() {
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env.it('huge timeout', function() {}, 2147483648);
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}).toThrowError('Timeout value cannot be greater than 2147483647');
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});
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});
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describe('#xit', function() {
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it('calls spec.exclude with "Temporarily disabled with xit"', function() {
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var excludeSpy = jasmine.createSpy();
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spyOn(env, 'it').and.returnValue({
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exclude: excludeSpy
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});
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env.xit('foo', function() {});
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expect(excludeSpy).toHaveBeenCalledWith('Temporarily disabled with xit');
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});
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it('calls spec.pend with "Temporarily disabled with xit"', function() {
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var pendSpy = jasmine.createSpy();
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var realExclude = jasmineUnderTest.Spec.prototype.exclude;
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spyOn(env, 'it').and.returnValue({
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exclude: realExclude,
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pend: pendSpy
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});
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env.xit('foo', function() {});
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expect(pendSpy).toHaveBeenCalledWith('Temporarily disabled with xit');
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});
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it('throws an error when it receives a non-fn argument', function() {
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expect(function() {
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env.xit('undefined arg', null);
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}).toThrowError(
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/xit expects a function argument; received \[object (Null|DOMWindow|Object)\]/
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);
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});
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it('does not throw when it is not given a fn argument', function() {
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expect(function() {
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env.xit('pending spec');
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}).not.toThrow();
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});
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it('accepts an async function', function() {
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jasmine.getEnv().requireAsyncAwait();
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expect(function() {
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env.xit('async', jasmine.getEnv().makeAsyncAwaitFunction());
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}).not.toThrow();
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});
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});
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describe('#fit', function() {
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it('throws an error when it receives a non-fn argument', function() {
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expect(function() {
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env.fit('undefined arg', undefined);
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}).toThrowError(
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/fit expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/
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);
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});
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it('throws an error when the timeout value is too large for setTimeout', function() {
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expect(function() {
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env.fit('huge timeout', function() {}, 2147483648);
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}).toThrowError('Timeout value cannot be greater than 2147483647');
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});
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});
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describe('#beforeEach', function() {
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it('throws an error when it receives a non-fn argument', function() {
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expect(function() {
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env.beforeEach(undefined);
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}).toThrowError(
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/beforeEach expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/
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);
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});
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it('accepts an async function', function() {
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jasmine.getEnv().requireAsyncAwait();
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expect(function() {
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env.beforeEach(jasmine.getEnv().makeAsyncAwaitFunction());
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}).not.toThrow();
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});
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it('throws an error when the timeout value is too large for setTimeout', function() {
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expect(function() {
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env.beforeEach(function() {}, 2147483648);
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}).toThrowError('Timeout value cannot be greater than 2147483647');
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});
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});
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describe('#beforeAll', function() {
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it('throws an error when it receives a non-fn argument', function() {
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expect(function() {
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env.beforeAll(undefined);
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}).toThrowError(
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/beforeAll expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/
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);
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});
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it('accepts an async function', function() {
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jasmine.getEnv().requireAsyncAwait();
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expect(function() {
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env.beforeAll(jasmine.getEnv().makeAsyncAwaitFunction());
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}).not.toThrow();
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});
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it('throws an error when the timeout value is too large for setTimeout', function() {
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expect(function() {
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env.beforeAll(function() {}, 2147483648);
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}).toThrowError('Timeout value cannot be greater than 2147483647');
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});
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});
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describe('#afterEach', function() {
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it('throws an error when it receives a non-fn argument', function() {
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expect(function() {
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env.afterEach(undefined);
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}).toThrowError(
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/afterEach expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/
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);
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});
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it('accepts an async function', function() {
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jasmine.getEnv().requireAsyncAwait();
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expect(function() {
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env.afterEach(jasmine.getEnv().makeAsyncAwaitFunction());
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}).not.toThrow();
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});
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it('throws an error when the timeout value is too large for setTimeout', function() {
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expect(function() {
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env.afterEach(function() {}, 2147483648);
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}).toThrowError('Timeout value cannot be greater than 2147483647');
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});
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});
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describe('#afterAll', function() {
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it('throws an error when it receives a non-fn argument', function() {
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expect(function() {
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env.afterAll(undefined);
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}).toThrowError(
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/afterAll expects a function argument; received \[object (Undefined|DOMWindow|Object)\]/
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);
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});
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it('accepts an async function', function() {
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jasmine.getEnv().requireAsyncAwait();
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expect(function() {
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env.afterAll(jasmine.getEnv().makeAsyncAwaitFunction());
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}).not.toThrow();
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});
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it('throws an error when the timeout value is too large for setTimeout', function() {
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expect(function() {
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env.afterAll(function() {}, 2147483648);
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}).toThrowError('Timeout value cannot be greater than 2147483647');
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});
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});
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describe('when not constructed with suppressLoadErrors: true', function() {
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it('installs a global error handler on construction', function() {
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var globalErrors = jasmine.createSpyObj('globalErrors', [
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'install',
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'uninstall',
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'pushListener',
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'popListener'
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]);
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spyOn(jasmineUnderTest, 'GlobalErrors').and.returnValue(globalErrors);
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env.cleanup_();
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env = new jasmineUnderTest.Env();
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expect(globalErrors.install).toHaveBeenCalled();
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});
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});
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describe('when constructed with suppressLoadErrors: true', function() {
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it('does not install a global error handler until execute is called', function() {
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var globalErrors = jasmine.createSpyObj('globalErrors', [
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'install',
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'uninstall',
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'pushListener',
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'popListener'
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]);
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spyOn(jasmineUnderTest, 'GlobalErrors').and.returnValue(globalErrors);
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env.cleanup_();
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env = new jasmineUnderTest.Env({ suppressLoadErrors: true });
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expect(globalErrors.install).not.toHaveBeenCalled();
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env.execute();
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expect(globalErrors.install).toHaveBeenCalled();
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});
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});
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it('creates an expectationFactory that uses the current custom equality testers and object formatters', function(done) {
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function customEqualityTester() {}
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function customObjectFormatter() {}
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function prettyPrinter() {}
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var RealSpec = jasmineUnderTest.Spec,
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specInstance,
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expectationFactory;
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spyOn(jasmineUnderTest, 'MatchersUtil');
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spyOn(jasmineUnderTest, 'makePrettyPrinter').and.returnValue(prettyPrinter);
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spyOn(jasmineUnderTest, 'Spec').and.callFake(function(options) {
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expectationFactory = options.expectationFactory;
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specInstance = new RealSpec(options);
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return specInstance;
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});
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env.it('spec', function() {
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env.addCustomEqualityTester(customEqualityTester);
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env.addCustomObjectFormatter(customObjectFormatter);
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expectationFactory('actual', specInstance);
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});
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env.execute(null, function() {
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expect(jasmineUnderTest.makePrettyPrinter).toHaveBeenCalledWith([
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customObjectFormatter
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]);
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expect(jasmineUnderTest.MatchersUtil).toHaveBeenCalledWith({
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customTesters: [customEqualityTester],
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pp: prettyPrinter
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});
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done();
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});
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});
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it('creates an asyncExpectationFactory that uses the current custom equality testers and object formatters', function(done) {
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function customEqualityTester() {}
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function customObjectFormatter() {}
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function prettyPrinter() {}
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var RealSpec = jasmineUnderTest.Spec,
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specInstance,
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asyncExpectationFactory;
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spyOn(jasmineUnderTest, 'MatchersUtil');
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spyOn(jasmineUnderTest, 'makePrettyPrinter').and.returnValue(prettyPrinter);
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spyOn(jasmineUnderTest, 'Spec').and.callFake(function(options) {
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asyncExpectationFactory = options.asyncExpectationFactory;
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specInstance = new RealSpec(options);
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return specInstance;
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});
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env.it('spec', function() {
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env.addCustomEqualityTester(customEqualityTester);
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env.addCustomObjectFormatter(customObjectFormatter);
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asyncExpectationFactory('actual', specInstance);
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});
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env.execute(null, function() {
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expect(jasmineUnderTest.makePrettyPrinter).toHaveBeenCalledWith([
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customObjectFormatter
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]);
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expect(jasmineUnderTest.MatchersUtil).toHaveBeenCalledWith({
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customTesters: [customEqualityTester],
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pp: prettyPrinter
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});
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done();
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});
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});
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describe('#execute', function() {
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it('returns a promise when the environment supports promises', function() {
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jasmine.getEnv().requirePromises();
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expect(env.execute()).toBeInstanceOf(Promise);
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});
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it('returns a promise when a custom promise constructor is provided', function() {
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function CustomPromise() {}
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CustomPromise.resolve = function() {};
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CustomPromise.reject = function() {};
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env.configure({ Promise: CustomPromise });
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expect(env.execute()).toBeInstanceOf(CustomPromise);
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});
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it('returns undefined when promises are unavailable', function() {
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jasmine.getEnv().requireNoPromises();
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expect(env.execute()).toBeUndefined();
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});
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it('should reset the topSuite when run twice', function() {
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jasmine.getEnv().requirePromises();
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spyOn(env.topSuite(), 'reset');
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return env
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.execute() // 1
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.then(function() {
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return env.execute(); // 2
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})
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.then(function() {
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expect(env.topSuite().reset).toHaveBeenCalledOnceWith();
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});
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});
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});
|
|
});
|