DefinitelyTyped/types/jasmine/jasmine-tests.ts

1574 lines
45 KiB
TypeScript

// tests based on http://jasmine.github.io/2.2/introduction.html
describe("A suite", () => {
it("contains spec with an expectation", () => {
expect(true).toBe(true);
});
});
describe("A suite is just a function", () => {
var a: boolean;
it("and so is a spec", () => {
a = true;
expect(a).toBe(true);
});
});
describe("Included matchers:", () => {
describe('toBe', () => {
it("and has a positive case", () => {
expect(true).toBe(true);
});
it("and can have a negative case", () => {
expect(false).not.toBe(true);
});
it("the 'toBe' matcher compares with ===", () => {
const a = 12;
const b = a;
expect(a).toBe(b);
expect(a).not.toBe(24);
});
it('should allow to accept any union type', () => {
const value: number | string = null as any;
expect(value).toBe(12);
});
});
describe("The 'toEqual' matcher", () => {
it("works for simple literals and variables", () => {
const a = 12;
expect(a).toEqual(12);
});
it("should work for objects", () => {
const foo = {
a: 12,
b: 34
};
const bar = {
a: 12,
b: 34
};
expect(foo).toEqual(bar);
});
it("should work for optional values", () => {
const opt: string | undefined = Math.random() > .5 ? "s" : undefined;
expect(opt).toEqual(undefined);
});
});
it("The 'toMatch' matcher is for regular expressions", () => {
const message = "foo bar baz";
expect(message).toMatch(/bar/);
expect(message).toMatch("bar");
expect(message).not.toMatch(/quux/);
});
it("The 'toBeDefined' matcher compares against `undefined`", () => {
const a = {
foo: "foo"
};
expect(a.foo).toBeDefined();
expect((a as any).bar).not.toBeDefined();
});
it("The `toBeUndefined` matcher compares against `undefined`", () => {
const a = {
foo: "foo"
};
expect(a.foo).not.toBeUndefined();
expect((a as any).bar).toBeUndefined();
});
it("The 'toBeNull' matcher compares against null", () => {
const a: string | null = Math.random() > 0.5 ? "s" : null;
const foo = "foo";
expect(null).toBeNull();
expect(a).toBeNull();
expect(foo).not.toBeNull();
});
it("The 'toBeTruthy' matcher is for boolean casting testing", () => {
const a: string | undefined = Math.random() > 0.5 ? "s" : undefined;
const foo = "foo";
expect(foo).toBeTruthy();
expect(a).not.toBeTruthy();
});
it("The 'toBeFalsy' matcher is for boolean casting testing", () => {
const a: string | undefined = Math.random() > 0.5 ? "s" : undefined;
const foo = "foo";
expect(a).toBeFalsy();
expect(foo).not.toBeFalsy();
});
it("The 'toContain' matcher is for finding an item in an Array", () => {
const a = ["foo", "bar", "baz"];
expect(a).toContain('foo');
expect(a).not.toContain("quux");
});
it("The 'toContain' matcher is also for finding an object containing distinct properties in an Array", () => {
const a = [{ a: "foo" }, { a: "bar" }, { b: "baz" }];
expect(a).toContain(jasmine.objectContaining({ a: "foo" }));
expect(a).not.toContain({ a: "quux" });
});
it("The 'toBeLessThan' matcher is for mathematical comparisons", () => {
const pi = 3.1415926;
const e = 2.78;
expect(e).toBeLessThan(pi);
expect(pi).not.toBeLessThan(e);
});
it("The 'toBeGreaterThan' is for mathematical comparisons", () => {
const pi = 3.1415926;
const e = 2.78;
expect(pi).toBeGreaterThan(e);
expect(e).not.toBeGreaterThan(pi);
});
it("The 'toBeCloseTo' matcher is for precision math comparison", () => {
const pi = 3.1415926;
const e = 2.78;
expect(pi).not.toBeCloseTo(e, 2);
expect(pi).toBeCloseTo(e, 0);
});
it("The 'toThrow' matcher is for testing if a function throws an exception", () => {
const foo = () => {
return 1 + 2;
};
const bar = () => {
throw new Error("message");
};
expect(foo).not.toThrow();
expect(foo).toThrow();
expect(bar).not.toThrow();
expect(bar).toThrow();
});
it("The 'toThrowError' matcher is for testing a specific thrown exception", () => {
const foo = () => {
throw new TypeError("foo bar baz");
};
expect(foo).toThrowError("foo bar baz");
expect(foo).toThrowError(/bar/);
expect(foo).toThrowError(TypeError);
expect(foo).toThrowError(TypeError, "foo bar baz");
});
it("async matchers", async () => {
const badness = new Error("badness");
await expectAsync(Promise.resolve()).toBeResolved();
await expectAsync(Promise.resolve()).toBeResolved("good job");
await expectAsync(Promise.resolve(true)).toBeResolvedTo(true);
await expectAsync(Promise.reject(badness)).toBeRejected();
await expectAsync(Promise.reject(badness)).toBeRejected("bad mojo");
await expectAsync(Promise.reject(badness)).toBeRejectedWith(badness);
await expectAsync(Promise.resolve()).withContext("additional info").toBeResolved();
});
it("async matchers - not", async () => {
const badness = new Error("badness");
const malady = new Error("malady");
await expectAsync(Promise.reject(badness)).not.toBeResolved();
await expectAsync(Promise.resolve(true)).not.toBeResolvedTo(false);
await expectAsync(Promise.resolve()).not.toBeRejected();
await expectAsync(Promise.reject(badness)).not.toBeRejectedWith(malady);
await expectAsync(Promise.reject(badness)).not.withContext("additional info").toBeResolved();
await expectAsync(Promise.reject(badness)).withContext("additional info").not.toBeResolved();
});
});
describe("toThrowMatching", () => {
expect(() => {
({} as any).doSomething();
}).toThrowMatching(error => error !== undefined);
});
describe("toBeNegativeInfinity", () => {
expect("").toBeNegativeInfinity();
});
describe("toBePositiveInfinity", () => {
expect("").toBePositiveInfinity();
});
describe("toHaveClass", () => {
const element: HTMLElement = null!;
expect(element).toHaveClass("some-class");
expect(element).toHaveClass(Element); // $ExpectError
});
describe("A spec", () => {
it("is just a function, so it can contain any code", () => {
var foo = 0;
foo += 1;
expect(foo).toEqual(1);
});
it("can have more than one expectation", () => {
var foo = 0;
foo += 1;
expect(foo).toEqual(1);
expect(true).toEqual(true);
});
});
describe("A spec (with setup and tear-down)", () => {
var foo: number;
beforeEach(() => {
foo = 0;
foo += 1;
});
afterEach(() => {
foo = 0;
});
it("is just a function, so it can contain any code", () => {
expect(foo).toEqual(1);
});
it("can have more than one expectation", () => {
expect(foo).toEqual(1);
expect(true).toEqual(true);
});
});
describe("A spec", () => {
var foo: number;
beforeEach(() => {
foo = 0;
foo += 1;
});
afterEach(() => {
foo = 0;
});
it("is just a function, so it can contain any code", () => {
expect(foo).toEqual(1);
});
it("can have more than one expectation", () => {
expect(foo).toEqual(1);
expect(true).toEqual(true);
});
describe("nested inside a second describe", () => {
var bar: number;
beforeEach(() => {
bar = 1;
});
it("can reference both scopes as needed", () => {
expect(foo).toEqual(bar);
});
});
});
describe("withContext", () => {
it("can be used after an expectation", () => {
expect(1).withContext('context message').toBe(1);
});
});
xdescribe("A spec", () => {
var foo: number;
beforeEach(() => {
foo = 0;
foo += 1;
});
it("is just a function, so it can contain any code", () => {
expect(foo).toEqual(1);
});
});
describe("Pending specs", () => {
xit("can be declared 'xit'", () => {
expect(true).toBe(false);
});
it("can be declared with 'it' but without a function");
it("can be declared by calling 'pending' in the spec body", () => {
expect(true).toBe(false);
pending(); // without reason
pending('this is why it is pending');
});
});
describe("A spy", () => {
var foo: any, bar: any, baz: any = null;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
},
setBaz: (value: any) => {
baz = value;
}
};
spyOn(foo, 'setBar');
spyOn(foo, 'setBaz');
foo.setBar(123);
foo.setBar(456, 'another param');
foo.setBaz(789);
});
it("tracks that the spy was called", () => {
expect(foo.setBar).toHaveBeenCalled();
});
it("tracks all the arguments of its calls", () => {
expect(foo.setBar).toHaveBeenCalledWith(123);
expect(foo.setBar).toHaveBeenCalledWith(456, 'another param');
});
it("tracks the order in which spies were called", () => {
expect(foo.setBar).toHaveBeenCalledBefore(foo.setBaz);
});
it("stops all execution on a function", () => {
expect(bar).toBeNull();
});
it("tracks if it was called at all", function() {
foo.setBar();
expect(foo.setBar.calls.any()).toEqual(true);
});
});
describe("A spy, when configured to call through", () => {
var foo: any, bar: any, fetchedBar: any;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
},
getBar: () => {
return bar;
}
};
spyOn(foo, 'getBar').and.callThrough();
foo.setBar(123);
fetchedBar = foo.getBar();
});
it("tracks that the spy was called", () => {
expect(foo.getBar).toHaveBeenCalled();
});
it("should not effect other functions", () => {
expect(bar).toEqual(123);
});
it("when called returns the requested value", () => {
expect(fetchedBar).toEqual(123);
});
});
describe("A spy, when configured to fake a return value", () => {
var bar: number;
const foo = {
setBar: (value: number) => {
bar = value;
},
getBar: () => {
return bar;
}
};
it("verifies return value type", () => {
spyOn(foo, "getBar").and.returnValue(745);
spyOn(foo, "getBar").and.returnValue("42"); // Is an error with TS 3.1+ typings.
});
it("tracks that the spy was called", () => {
expect(foo.getBar).toHaveBeenCalled();
});
it("should not effect other functions", () => {
expect(bar).toEqual(123);
});
it("when called returns the requested value", () => {
const fetchedBar = foo.getBar();
expect(fetchedBar).toEqual(745);
});
});
describe("A spy, when configured to fake a series of return values", () => {
var foo: any, bar: any;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
},
getBar: () => {
return bar;
}
};
spyOn(foo, "getBar").and.returnValues("fetched first", "fetched second");
foo.setBar(123);
});
it("tracks that the spy was called", () => {
foo.getBar(123);
expect(foo.getBar).toHaveBeenCalled();
});
it("should not affect other functions", () => {
expect(bar).toEqual(123);
});
it("when called multiple times returns the requested values in order", () => {
expect(foo.getBar()).toEqual("fetched first");
expect(foo.getBar()).toEqual("fetched second");
expect(foo.getBar()).toBeUndefined();
});
});
describe("A spy, when configured with an alternate implementation", () => {
var foo: any, bar: any, fetchedBar: any;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
},
getBar: () => {
return bar;
}
};
spyOn(foo, "getBar").and.callFake(() => {
return 1001;
});
foo.setBar(123);
fetchedBar = foo.getBar();
});
it("tracks that the spy was called", () => {
expect(foo.getBar).toHaveBeenCalled();
});
it("should not effect other functions", () => {
expect(bar).toEqual(123);
});
it("when called returns the requested value", () => {
expect(fetchedBar).toEqual(1001);
});
});
describe("A spy, when configured with alternate implementations for specified arguments", () => {
var foo: any, bar: any, fetchedBar: any;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
},
getBar: () => {
return bar;
}
};
spyOn(foo, "getBar")
.withArgs(1, "2")
.and.callFake(() => 1002);
foo.setBar(123);
fetchedBar = foo.getBar(1, "2");
});
it("tracks that the spy was called", () => {
expect(foo.getBar).toHaveBeenCalled();
});
it("should not effect other functions", () => {
expect(bar).toEqual(123);
});
it("when called returns the requested value", () => {
expect(fetchedBar).toEqual(1002);
});
});
describe("A spy, when configured to throw a value", () => {
var foo: any, bar: any;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
}
};
spyOn(foo, "setBar").and.throwError("quux");
});
it("throws the value", () => {
expect(() => {
foo.setBar(123);
}).toThrowError("quux");
});
});
describe("A spy, when configured with multiple actions", () => {
var foo: any, bar: any, fetchedBar: any;
var fakeCalled = false;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
},
getBar: () => {
return bar;
}
};
spyOn(foo, 'getBar').and.callThrough().and.callFake(() => {
fakeCalled = true;
});
foo.setBar(123);
fetchedBar = foo.getBar();
});
it("tracks that the spy was called", () => {
expect(foo.getBar).toHaveBeenCalled();
});
it("should not effect other functions", () => {
expect(bar).toEqual(123);
});
it("when called returns the requested value", () => {
expect(fetchedBar).toEqual(123);
});
it("should have called the fake implementation", () => {
expect(fakeCalled).toEqual(true);
});
});
describe("A spy", () => {
var foo: any, bar: any = null;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
}
};
spyOn(foo, 'setBar').and.callThrough();
});
it("can call through and then stub in the same spec", () => {
foo.setBar(123);
expect(bar).toEqual(123);
foo.setBar.and.stub();
bar = null;
foo.setBar(123);
expect(bar).toBe(null);
});
});
describe("A spy", () => {
var foo: any, bar: any = null;
beforeEach(() => {
foo = {
setBar: (value: any) => {
bar = value;
}
};
spyOn(foo, 'setBar');
});
it("tracks if it was called at all", () => {
expect(foo.setBar.calls.any()).toEqual(false);
foo.setBar();
expect(foo.setBar.calls.any()).toEqual(true);
});
it("tracks the number of times it was called", () => {
expect(foo.setBar.calls.count()).toEqual(0);
foo.setBar();
foo.setBar();
expect(foo.setBar.calls.count()).toEqual(2);
});
it("tracks the arguments of each call", () => {
foo.setBar(123);
foo.setBar(456, "baz");
expect(foo.setBar.calls.argsFor(0)).toEqual([123]);
expect(foo.setBar.calls.argsFor(1)).toEqual([456, "baz"]);
});
it("tracks the arguments of all calls", () => {
foo.setBar(123);
foo.setBar(456, "baz");
expect(foo.setBar.calls.allArgs()).toEqual([[123], [456, "baz"]]);
});
it("can provide the context and arguments to all calls", () => {
foo.setBar(123);
expect(foo.setBar.calls.all()).toEqual([{ object: foo, args: [123], returnValue: undefined }]);
});
it("has a shortcut to the most recent call", () => {
foo.setBar(123);
foo.setBar(456, "baz");
expect(foo.setBar.calls.mostRecent()).toEqual({ object: foo, args: [456, "baz"], returnValue: undefined });
});
it("has a shortcut to the first call", () => {
foo.setBar(123);
foo.setBar(456, "baz");
expect(foo.setBar.calls.first()).toEqual({ object: foo, args: [123], returnValue: undefined });
});
it("can be reset", () => {
foo.setBar(123);
foo.setBar(456, "baz");
expect(foo.setBar.calls.any()).toBe(true);
foo.setBar.calls.reset();
expect(foo.setBar.calls.any()).toBe(false);
});
});
describe("A spy, when created manually", () => {
var whatAmI: any;
beforeEach(() => {
whatAmI = jasmine.createSpy('whatAmI');
whatAmI("I", "am", "a", "spy");
});
it("is named, which helps in error reporting", () => {
expect(whatAmI.and.identity()).toEqual('whatAmI');
});
it("tracks that the spy was called", () => {
expect(whatAmI).toHaveBeenCalled();
});
it("tracks its number of calls", () => {
expect(whatAmI.calls.count()).toEqual(1);
});
it("tracks all the arguments of its calls", () => {
expect(whatAmI).toHaveBeenCalledWith("I", "am", "a", "spy");
});
it("allows access to the most recent call", () => {
expect(whatAmI.calls.mostRecent().args[0]).toEqual("I");
});
});
describe("Spy for generic method", () => {
interface Test {
method<T>(): Array<Box<T>>;
}
interface Box<T> {
value: T;
}
it("should allow to configure generic method", () => {
const spy = jasmine.createSpyObj<Test>('test', ['method']);
spy.method.and.returnValue([{ value: 1 }, { value: 2 }]);
});
it("should allow to configure generic method with non-named spy", () => {
const spy = jasmine.createSpyObj<Test>(['method']);
jasmine.createSpyObj<Test>(['methodUnknown']); // $ExpectError
spy.method.and.returnValue([{ value: 1 }, { value: 2 }]);
});
});
describe("Multiple spies, when created manually", () => {
class Tape {
private rewindTo: number;
play(): void { }
pause(): void { }
rewind(pos: number): void {
this.rewindTo = pos;
}
stop(): void { }
readonly isPlaying: boolean; // spy obj makes this writable
}
var tape: Tape;
var tapeSpy: jasmine.SpyObj<Tape>;
var el: jasmine.SpyObj<Element>;
beforeEach(() => {
tapeSpy = jasmine.createSpyObj<Tape>('tape', ['play', 'pause', 'stop', 'rewind']);
tape = tapeSpy;
(tape as { isPlaying: boolean }).isPlaying = false;
el = jasmine.createSpyObj<Element>('Element', ['hasAttribute']);
el.hasAttribute.and.returnValue(false);
el.hasAttribute("href");
tape.play();
tape.pause();
tape.rewind(0);
tapeSpy.play.and.callThrough();
tapeSpy.pause.and.callThrough();
tapeSpy.rewind.and.callThrough();
});
it("creates spies for each requested function", () => {
expect(tape.play).toBeDefined();
expect(tape.pause).toBeDefined();
expect(tape.stop).toBeDefined();
expect(tape.rewind).toBeDefined();
});
it("tracks that the spies were called", () => {
expect(tape.play).toHaveBeenCalled();
expect(tape.pause).toHaveBeenCalled();
expect(tape.rewind).toHaveBeenCalled();
expect(tape.stop).not.toHaveBeenCalled();
});
it("tracks all the arguments of its calls", () => {
expect(tape.rewind).toHaveBeenCalledWith(0);
expect(tape.rewind).toHaveBeenCalledWith('42'); // Is an error with TS 3.1+ typings.
expect(tape.rewind).toHaveBeenCalledWith(jasmine.anything());
expect(tape.rewind).toHaveBeenCalledWith(jasmine.falsy());
expect(tape.rewind).not.toHaveBeenCalledWith(1);
expect(tape.rewind).not.toHaveBeenCalledWith('42'); // Is an error with TS 3.1+ typings.
expect(tape.rewind).not.toHaveBeenCalledWith(jasmine.truthy());
});
it("read isPlaying property", () => {
expect(tape.isPlaying).toBe(false);
});
});
describe("multiple spies, when created with spyOnAllFunctions", () => {
it("spies on all functions", () => {
const obj = {
x: (a: number) => a,
y: (a: number) => a,
};
const spy = spyOnAllFunctions(obj);
spy.x.and.returnValue(42);
spy.y.and.returnValue(24);
spy.z; // $ExpectError
obj.x(0);
obj.y(1);
expect(obj.x).toHaveBeenCalled();
expect(obj.y).toHaveBeenCalledWith(1);
expect(spy.y).toHaveBeenCalledWith(1);
expect(spy.y).toHaveBeenCalledWith("one"); // Is an error with TS 3.1+ typings.
});
});
describe("jasmine.nothing", () => {
it("matches any value", () => {
expect().nothing();
});
});
describe("jasmine.any", () => {
it("matches any value", () => {
expect({}).toEqual(jasmine.any(Object));
expect(12).toEqual(jasmine.any(Number));
expect(42).toEqual(jasmine.any(42)); // $ExpectError
expect({}).toEqual(jasmine.any({})); // $ExpectError
expect(() => null).toEqual(jasmine.any(Function));
});
it("matches any function", () => {
interface Test {
fn1(): void;
fn2(param1: number): number;
}
const a: Test = {
fn1: () => { },
fn2: (param1: number) => param1,
};
const expected = {
fn1: jasmine.any(Function),
fn2: jasmine.any(Function),
};
expect(a).toEqual(expected);
});
it("matches custom types", () => {
class Test { }
const obj = new Test();
expect(obj).toEqual(jasmine.any(Test));
});
it("matches base abstract class", () => {
abstract class TestClassBase { }
class TestClass extends TestClassBase { }
const obj = new TestClass();
expect(obj).toEqual(jasmine.any(TestClass));
expect(obj).toEqual(jasmine.any(TestClassBase));
});
it("matches symbols", () => {
const sym = Symbol('test symbol');
expect(sym).toEqual(jasmine.any(sym));
});
describe("when used with a spy", () => {
it("is useful for comparing arguments", () => {
const foo = jasmine.createSpy('foo');
foo(12, () => {
return true;
});
expect(foo).toHaveBeenCalledWith(jasmine.any(Number), jasmine.any(Function));
});
it("is useful for comparing arguments for typed spy", () => {
const foo = jasmine.createSpy('foo');
foo(12, () => {
return true;
});
expect(foo).toHaveBeenCalledWith(jasmine.any(Number), jasmine.any(Function));
});
});
});
describe('custom asymmetry', function() {
const tester: jasmine.AsymmetricMatcher<string> = {
asymmetricMatch: (actual: string, customTesters) => {
const secondValue = actual.split(',')[1];
return jasmine.matchersUtil.equals(secondValue, 'bar', customTesters);
},
};
it('dives in deep', function() {
expect('foo,bar,baz,quux').toEqual(tester);
expect(123).not.toEqual(tester);
});
describe('when used with a spy', function() {
it('is useful for comparing arguments', function() {
const callback = jasmine.createSpy('callback');
callback('foo,bar,baz');
expect(callback).toHaveBeenCalledWith(tester);
});
});
});
describe("jasmine.objectContaining", () => {
interface fooType {
a: number;
b: number;
bar: string;
}
var foo: fooType;
beforeEach(() => {
foo = {
a: 1,
b: 2,
bar: "baz"
};
});
it("matches objects with the expect key/value pairs", () => {
// not explictly providing the type on objectContaining only guards against
// missmatching types on know properties
expect(foo).not.toEqual(jasmine.objectContaining({
a: 37,
foo: 2, // <-- this does not cause an error as the compiler cannot infer the type completely
// b: '123', <-- this would cause an error as `b` defined as number in fooType
}));
// explictly providing the type on objectContaining makes the guard more precise
// as misspelled properties are detected as well
expect(foo).not.toEqual(jasmine.objectContaining<fooType>({
bar: '',
// foo: 1, <-- this would cause an error as `foo` is not defined in fooType
}));
});
it("can be used in a nested object", () => {
interface nestedFooType {
nested: {
a: number;
b: number;
bar: string;
};
}
const nestedFoo: nestedFooType = {
nested: {
a: 1,
b: 2,
bar: 's',
},
};
expect(nestedFoo).toEqual({
nested: jasmine.objectContaining({b: 2})
});
});
describe("when used with a spy", () => {
it("is useful for comparing arguments", () => {
const callback = jasmine.createSpy('callback');
callback.withArgs(jasmine.objectContaining({ bar: "foo" })).and.returnValue(42);
callback({
bar: "baz"
});
expect(callback).toHaveBeenCalledWith(jasmine.objectContaining({
bar: "baz"
}));
expect(callback).not.toHaveBeenCalledWith(jasmine.objectContaining({
c: 37
}));
});
});
});
describe("jasmine.arrayContaining", () => {
var foo: number[];
beforeEach(() => {
foo = [1, 2, 3, 4];
});
it("matches arrays with some of the values", () => {
expect(foo).toEqual(jasmine.arrayContaining([3, 1]));
expect(foo).not.toEqual(jasmine.arrayContaining([6]));
expect(foo).toBe(jasmine.arrayContaining([3, 1]));
expect(foo).not.toBe(jasmine.arrayContaining([6]));
});
it("matches read-only array", () => {
const bar: ReadonlyArray<number> = [1, 2, 3, 4];
expect(bar).toEqual(jasmine.arrayContaining([3, 1]));
expect(bar).not.toEqual(jasmine.arrayContaining([6]));
expect(bar).toBe(jasmine.arrayContaining([3, 1]));
});
describe("when used with a spy", () => {
it("is useful when comparing arguments", () => {
const callback = jasmine.createSpy('callback');
callback.withArgs(jasmine.arrayContaining([1, 2])).and.returnValue(42);
callback([1, 2, 3, 4]);
expect(callback).toHaveBeenCalledWith(jasmine.arrayContaining([4, 2, 3]));
expect(callback).not.toHaveBeenCalledWith(jasmine.arrayContaining([5, 2]));
});
});
});
describe("jasmine.arrayWithExactContents", () => {
var foo: number[];
beforeEach(() => {
foo = [1, 2, 3, 4];
});
it("matches arrays with exactly the same values", () => {
expect(foo).toEqual(jasmine.arrayWithExactContents([1, 2, 3, 4]));
expect(foo).not.toEqual(jasmine.arrayWithExactContents([6]));
expect(foo).toBe(jasmine.arrayWithExactContents([1, 2, 3, 4]));
expect(foo).not.toBe(jasmine.arrayWithExactContents([6]));
});
describe("when used with a spy", () => {
it("is useful when comparing arguments", () => {
const callback = jasmine.createSpy('callback');
callback.withArgs(jasmine.arrayWithExactContents([1, 2])).and.returnValue(42);
callback([1, 2, 3, 4]);
expect(callback).toHaveBeenCalledWith(jasmine.arrayWithExactContents([1, 2, 3, 4]));
expect(callback).not.toHaveBeenCalledWith(jasmine.arrayWithExactContents([5, 2]));
});
});
});
describe("Manually ticking the Jasmine Clock", () => {
var timerCallback: any;
beforeEach(() => {
timerCallback = jasmine.createSpy("timerCallback");
jasmine.clock().install();
});
afterEach(() => {
jasmine.clock().uninstall();
});
it("causes a timeout to be called synchronously", () => {
setTimeout(() => {
timerCallback();
}, 100);
expect(timerCallback).not.toHaveBeenCalled();
jasmine.clock().tick(101);
expect(timerCallback).toHaveBeenCalled();
});
it("causes an interval to be called synchronously", () => {
setInterval(() => {
timerCallback();
}, 100);
expect(timerCallback).not.toHaveBeenCalled();
jasmine.clock().tick(101);
expect(timerCallback.calls.count()).toEqual(1);
jasmine.clock().tick(50);
expect(timerCallback.calls.count()).toEqual(1);
jasmine.clock().tick(50);
expect(timerCallback.calls.count()).toEqual(2);
});
describe("Mocking the Date object", () => {
it("mocks the Date object and sets it to a given time", () => {
const baseTime = new Date(2013, 9, 23);
jasmine.clock().mockDate(baseTime);
jasmine.clock().tick(50);
expect(new Date().getTime()).toEqual(baseTime.getTime() + 50);
});
});
});
describe("Asynchronous specs", () => {
var value: number;
beforeEach((done: DoneFn) => {
setTimeout(() => {
value = 0;
done();
}, 1);
});
it("should support async execution of test preparation and expectations", (done: DoneFn) => {
value += 1;
expect(value).toBeGreaterThan(0);
done();
});
describe("long asynchronous specs", () => {
beforeEach((done: DoneFn) => {
done();
}, 1000);
it("takes a long time", (done: DoneFn) => {
setTimeout(() => {
done();
}, 9000);
}, 10000);
afterEach((done: DoneFn) => {
done();
}, 1000);
});
});
describe("Fail", () => {
it("should fail test when called without arguments", () => {
fail();
});
it("should fail test when called with a fail message", () => {
fail("The test failed");
});
it("should fail test when called an error", () => {
fail(new Error("The test failed with this error"));
});
});
// test based on http://jasmine.github.io/2.2/custom_equality.html
describe("custom equality", () => {
const myCustomEquality: jasmine.CustomEqualityTester = function(first: any, second: any): boolean | void {
if (typeof first === "string" && typeof second === "string") {
return first[0] === second[1];
}
};
beforeEach(() => {
jasmine.addCustomEqualityTester(myCustomEquality);
});
it("should be custom equal", () => {
expect("abc").toEqual("aaa");
});
it("should be custom not equal", () => {
expect("abc").not.toEqual("abc");
});
});
// test based on http://jasmine.github.io/2.2/custom_matcher.html
var customMatchers: jasmine.CustomMatcherFactories = {
toBeGoofy: (util: jasmine.MatchersUtil, customEqualityTesters: jasmine.CustomEqualityTester[]) => {
return {
compare: (actual: any, expected: any): jasmine.CustomMatcherResult => {
if (expected === undefined) {
expected = '';
}
const result: jasmine.CustomMatcherResult = { pass: false };
result.pass = util.equals(actual.hyuk, "gawrsh" + expected, customEqualityTesters);
result.message = result.pass ?
`Expected ${actual} not to be quite so goofy` :
`Expected ${actual} to be goofy, but it was not very goofy`;
return result;
}
};
},
toBeWithinRange: (util: jasmine.MatchersUtil, customEqualityTesters: jasmine.CustomEqualityTester[]) => {
return {
compare: (actual: any, floor: number, ceiling: number): jasmine.CustomMatcherResult => {
const pass = actual >= floor && actual <= ceiling;
const message = `expected ${actual} to be within range ${floor}-${ceiling}`;
return { message, pass };
},
negativeCompare: (actual: any, floor: number, ceiling: number): jasmine.CustomMatcherResult => {
const pass = actual < floor && actual > ceiling;
const message = `expected ${actual} not to be within range ${floor}-${ceiling}`;
return { message, pass };
}
};
}
};
// add the custom matchers to interface jasmine.Matchers via TypeScript declaration merging
// if your test files import or export anything, you'll want to use:
// declare global {
// namespace jasmine {
// interface Matchers {
// ...
// }
// }
// }
declare namespace jasmine {
interface Matchers<T> {
toBeGoofy(expected?: Expected<T>): boolean;
toBeWithinRange(expected?: Expected<T>, floor?: number, ceiling?: number): boolean;
}
}
describe("Custom matcher: 'toBeGoofy'", () => {
beforeEach(() => {
jasmine.addMatchers(customMatchers);
});
it("is available on an expectation", () => {
expect({
hyuk: 'gawrsh'
}).toBeGoofy();
});
it("can take an 'expected' parameter", () => {
expect({
hyuk: 'gawrsh is fun'
}).toBeGoofy({ hyuk: ' is fun' });
});
it("can take many 'expected' parameters", () => {
expect(2).toBeWithinRange(1, 3);
});
it("can use the custom negativeCompare method", () => {
const matcher = customMatchers["toBeWithinRange"](jasmine.matchersUtil, []);
const result = matcher.negativeCompare!(1, 2, 3);
expect(result.pass).toBe(false);
expect(result.message).toBe("expected 1 not to be within range 2-3");
});
it("can be negated", () => {
expect({
hyuk: 'this is fun'
}).not.toBeGoofy();
});
it("has a proper message on failure", () => {
const actual = { hyuk: 'this is fun' };
const matcher = customMatchers["toBeGoofy"](jasmine.matchersUtil, []);
const result = matcher.compare(actual, null);
expect(result.pass).toBe(false);
expect(result.message).toBe(`Expected ${actual} to be goofy, but it was not very goofy`);
});
});
describe('better typed spys', () => {
describe('a typed spy', () => {
const spy = jasmine.createSpy('spy', (num: number, str: string) => {
return `${num} and ${str}`;
});
it('has a typed returnValue', () => {
// $ExpectType (val: any) => Spy
spy.and.returnValue;
});
it('has a typed calls property', () => {
spy.calls.first().args; // $ExpectType any[]
spy.calls.first().returnValue; // $ExpectType any
});
it('has a typed callFake', () => {
// $ExpectType (fn: Function) => Spy
spy.and.callFake;
});
});
describe('spyOn', () => {
it('only works on methods', () => {
const foo = {
method() {
return 'baz';
},
value: 'value',
};
const spy = spyOn(foo, 'method');
const spy2 = spyOn(foo, 'value'); // Is an error with TS 3.1+ typings.
// $ExpectType any
spy.calls.first().returnValue;
});
it('works on constructors', () => {
class MyClass {
constructor(readonly foo: string) {}
}
const namespace = { MyClass };
const spy = spyOn(namespace, 'MyClass');
spy.and.returnValue({foo: 'test'});
spy.and.returnValue({}); // Is an error with TS 3.1+ typings.
spy.and.returnValue({foo: 123}); // Is an error with TS 3.1+ typings.
});
it('can allows overriding the generic', () => {
class Base {
service() {}
}
class Super extends Base {
service2() {}
}
spyOn<Base>(new Super(), 'service');
spyOn<Base>(new Super(), 'service2'); // $ExpectError
});
});
describe('createSpyObj', () => {
it('returns the correct spy types', () => {
const foo = {
method() {
return 'baz';
},
value: 'value',
};
const spyObj = jasmine.createSpyObj<typeof foo>('foo', ['method']);
// $ExpectType (val: any) => Spy
spyObj.method.and.returnValue;
});
});
});
// test based on http://jasmine.github.io/2.5/custom_reporter.html
var myReporter: jasmine.CustomReporter = {
jasmineStarted: (suiteInfo: jasmine.SuiteInfo) => {
console.log("Running suite with " + suiteInfo.totalSpecsDefined);
},
suiteStarted: (result: jasmine.CustomReporterResult) => {
console.log(`Suite started: ${result.description} whose full description is: ${result.fullName}`);
},
specStarted: (result: jasmine.CustomReporterResult) => {
console.log(`Spec started: ${result.description} whose full description is: ${result.fullName}`);
},
specDone: (result: jasmine.CustomReporterResult) => {
console.log(`Spec: ${result.description} was ${result.status}`);
// tslint:disable-next-line:prefer-for-of
for (var i = 0; result.failedExpectations && i < result.failedExpectations.length; i += 1) {
console.log("Failure: " + result.failedExpectations[i].message);
console.log("Actual: " + result.failedExpectations[i].actual);
console.log("Expected: " + result.failedExpectations[i].expected);
console.log(result.failedExpectations[i].stack);
}
console.log(result.passedExpectations && result.passedExpectations.length);
},
suiteDone: (result: jasmine.CustomReporterResult) => {
console.log(`Suite: ${result.description} was ${result.status}`);
// tslint:disable-next-line:prefer-for-of
for (var i = 0; result.failedExpectations && i < result.failedExpectations.length; i += 1) {
console.log('AfterAll ' + result.failedExpectations[i].message);
console.log(result.failedExpectations[i].stack);
}
},
jasmineDone: (runDetails: jasmine.RunDetails) => {
console.log('Finished suite');
console.log('Random:', runDetails.order.random);
}
};
jasmine.getEnv().addReporter(myReporter);
describe("Randomize Tests", () => {
it("should allow randomization of the order of tests", () => {
expect(() => {
const env = jasmine.getEnv();
env.randomizeTests(true);
}).not.toThrow();
});
it("should allow a seed to be passed in for randomization", () => {
expect(() => {
const env = jasmine.getEnv();
env.randomizeTests(true);
return env.seed(1234);
}).not.toThrow();
});
});
// Dest spces copied from jasmine project (https://github.com/jasmine/jasmine/blob/master/spec/core/SpecSpec.js)
describe("createSpyObj", function() {
it("should create an object with spy methods and corresponding return values when you call jasmine.createSpyObj() with an object", function() {
const spyObj = jasmine.createSpyObj('BaseName', {method1: 42, method2: 'special sauce'});
expect(spyObj.method1()).toEqual(42);
expect(spyObj.method1.and.identity()).toEqual('BaseName.method1');
expect(spyObj.method2()).toEqual('special sauce');
expect(spyObj.method2.and.identity()).toEqual('BaseName.method2');
});
it("should create an object with a bunch of spy methods when you call jasmine.createSpyObj()", function() {
const spyObj = jasmine.createSpyObj('BaseName', ['method1', 'method2']);
expect(spyObj).toEqual({ method1: jasmine.any(Function), method2: jasmine.any(Function) });
expect(spyObj.method1.and.identity()).toEqual('BaseName.method1');
expect(spyObj.method2.and.identity()).toEqual('BaseName.method2');
});
it("should allow you to omit the baseName and takes only an object", function() {
const spyObj = jasmine.createSpyObj({method1: 42, method2: 'special sauce'});
expect(spyObj.method1()).toEqual(42);
expect(spyObj.method1.and.identity()).toEqual('unknown.method1');
expect(spyObj.method2()).toEqual('special sauce');
expect(spyObj.method2.and.identity()).toEqual('unknown.method2');
});
it("should allow you to omit the baseName and takes only a list of methods", function() {
const spyObj = jasmine.createSpyObj(['method1', 'method2']);
expect(spyObj).toEqual({ method1: jasmine.any(Function), method2: jasmine.any(Function) });
expect(spyObj.method1.and.identity()).toEqual('unknown.method1');
expect(spyObj.method2.and.identity()).toEqual('unknown.method2');
});
it("should throw if you pass an empty array argument", function() {
expect(function() {
jasmine.createSpyObj('BaseName', []);
}).toThrow("createSpyObj requires a non-empty array or object of method names to create spies for");
});
it("should throw if you pass an empty object argument", function() {
expect(function() {
jasmine.createSpyObj('BaseName', {});
}).toThrow("createSpyObj requires a non-empty array or object of method names to create spies for");
});
});
describe('Static Matcher Test', function() {
it('Falsy', () => {
expect({ value: null }).toEqual(
jasmine.objectContaining({
value: jasmine.falsy(),
})
);
});
it('Truthy', () => {
expect({ value: null }).toEqual(
jasmine.objectContaining({
value: jasmine.truthy(),
})
);
});
it('Empty', () => {
expect({ value: null }).toEqual(
jasmine.objectContaining({
value: jasmine.empty(),
})
);
});
it('NotEmpty', () => {
expect({ value: null }).toEqual(
jasmine.objectContaining({
value: jasmine.notEmpty(),
})
);
});
it('Partial should OK', () => {
expect({ value: null, label: 'abcd' }).toEqual(
jasmine.objectContaining({
value: jasmine.anything(),
})
);
expect({ value: null }).toEqual(
jasmine.objectContaining({
value: 'any value should ok',
})
);
});
});
describe("User scenarios", () => {
describe("https://github.com/DefinitelyTyped/DefinitelyTyped/issues/34080", () => {
interface Test {
f(): string;
f(x: any): number;
}
it("has a way to opt out of inferred function types", () => {
const spyObject: jasmine.SpyObj<Test> = jasmine.createSpyObj<Test>("spyObject", ["f"]);
spyObject.f.and.returnValue("a string - working");
const spy2 = jasmine.createSpyObj<Test>(['f']);
spy2.f.and.returnValue("can return string" as any);
});
it("should be possible to opt out for spyOn", () => {
const obj: Test = null!;
const spy1: jasmine.Spy = spyOn(obj, "f");
spy1.and.returnValue("can return string");
const spy2 = spyOn(obj, "f");
spy2.and.returnValue("can return string" as any);
});
});
});
(() => {
// from boot.js
const env = jasmine.getEnv();
const htmlReporter = new jasmine.HtmlReporter();
env.addReporter(htmlReporter);
const specFilter = new jasmine.HtmlSpecFilter();
env.specFilter = (spec) => {
return specFilter.matches(spec.getFullName());
};
const currentWindowOnload = window.onload;
window.onload = () => {
if (currentWindowOnload) {
(currentWindowOnload as any)(null);
}
htmlReporter.initialize();
env.execute();
};
})();
jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000;
jasmine.MAX_PRETTY_PRINT_DEPTH = 40;