aws-cdk
Version:
CDK Toolkit, the command line tool for CDK apps
52 lines • 8.29 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/* eslint-disable import/order */
const fc = require("fast-check");
const util_1 = require("../../lib/util");
test('deepSet can set deeply', () => {
const obj = {};
(0, util_1.deepSet)(obj, ['a', 'b'], 3);
expect(obj).toEqual({ a: { b: 3 } });
});
test('deepGet can get deeply', () => {
const obj = { a: { b: 3 } };
expect((0, util_1.deepGet)(obj, ['a', 'b'])).toBe(3);
});
test('deepGet can return an array', () => {
const obj = { a: [1, 2, 3] };
expect((0, util_1.deepGet)(obj, ['a'])).toEqual([1, 2, 3]);
});
test('changing deepClones copy leaves the original intact', () => {
const original = { a: [{ b: 3 }] };
const copy = (0, util_1.deepClone)(original);
copy.a[0].c = 5;
expect(original).toEqual({ a: [{ b: 3 }] });
});
test('deepMerge merges objects', () => {
const original = { a: { b: 3 } };
(0, util_1.deepMerge)(original, { a: { c: 4 } });
expect(original).toEqual({ a: { b: 3, c: 4 } });
});
test('deepMerge overwrites non-objects', () => {
const original = { a: [] };
(0, util_1.deepMerge)(original, { a: { b: 3 } });
expect(original).toEqual({ a: { b: 3 } });
});
test('deepMerge does not overwrite if rightmost is "undefined"', () => {
const original = { a: 1 };
(0, util_1.deepMerge)(original, { a: undefined });
expect(original).toEqual({ a: 1 });
});
describe('splitBySize', () => {
test('objects are split at the right place', () => {
fc.assert(fc.property(fc.object(), fc.integer({ min: 2 }), (data, size) => {
const [first, second] = (0, util_1.splitBySize)(data, size);
expect(Buffer.from(JSON.stringify(first)).length).toBeLessThanOrEqual(size);
expect(merge(first, second)).toEqual(data);
}));
function merge(fst, snd) {
return { ...(fst ?? {}), ...(snd ?? {}) };
}
});
});
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