66 lines
2.3 KiB
JavaScript
66 lines
2.3 KiB
JavaScript
describe("errors", () => {
|
|
test("first argument must be coercible to object", () => {
|
|
expect(() => {
|
|
new AggregateError();
|
|
}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
|
|
});
|
|
|
|
test("@@iterator throws", () => {
|
|
expect(() => {
|
|
new AggregateError({
|
|
[Symbol.iterator]() {
|
|
throw Error("oops!");
|
|
},
|
|
});
|
|
}).toThrowWithMessage(Error, "oops!");
|
|
});
|
|
});
|
|
|
|
describe("normal behavior", () => {
|
|
test("length is 2", () => {
|
|
expect(AggregateError).toHaveLength(2);
|
|
});
|
|
|
|
test("name is AggregateError", () => {
|
|
expect(AggregateError.name).toBe("AggregateError");
|
|
});
|
|
|
|
test("Prototype of the AggregateError constructor is the Error constructor", () => {
|
|
expect(Object.getPrototypeOf(AggregateError)).toBe(Error);
|
|
});
|
|
|
|
test("Prototype of AggregateError.prototype is Error.prototype", () => {
|
|
expect(Object.getPrototypeOf(AggregateError.prototype)).toBe(Error.prototype);
|
|
});
|
|
|
|
test("basic functionality", () => {
|
|
expect(AggregateError([])).toBeInstanceOf(AggregateError);
|
|
expect(new AggregateError([])).toBeInstanceOf(AggregateError);
|
|
expect(new AggregateError([]).toString()).toBe("AggregateError");
|
|
expect(new AggregateError([], "Foo").toString()).toBe("AggregateError: Foo");
|
|
expect(new AggregateError([]).hasOwnProperty("errors")).toBeTrue();
|
|
const errors = [1, 2, 3];
|
|
expect(new AggregateError(errors).errors).toEqual(errors);
|
|
expect(new AggregateError(errors).errors).not.toBe(errors);
|
|
expect(
|
|
new AggregateError({
|
|
[Symbol.iterator]: (i = 0) => ({
|
|
next() {
|
|
if (i < 3) {
|
|
i++;
|
|
return { value: i };
|
|
}
|
|
return { value: null, done: true };
|
|
},
|
|
}),
|
|
}).errors
|
|
).toEqual(errors);
|
|
});
|
|
|
|
test("supports options object with cause", () => {
|
|
const cause = new Error();
|
|
const error = new AggregateError([], "test", { cause });
|
|
expect(error.hasOwnProperty("cause")).toBeTrue();
|
|
expect(error.cause).toBe(cause);
|
|
});
|
|
});
|