@antv/x6
Version:
JavaScript diagramming library that uses SVG and HTML for rendering.
83 lines • 3.81 kB
JavaScript
import { JSONExt } from '.';
describe('JSONExt', () => {
describe('isPrimitive()', () => {
it('should return `true` if the value is a primitive', () => {
expect(JSONExt.isPrimitive(null)).toEqual(true);
expect(JSONExt.isPrimitive(false)).toEqual(true);
expect(JSONExt.isPrimitive(true)).toEqual(true);
expect(JSONExt.isPrimitive(1)).toEqual(true);
expect(JSONExt.isPrimitive('1')).toEqual(true);
});
it('should return `false` if the value is not a primitive', () => {
expect(JSONExt.isPrimitive([])).toEqual(false);
expect(JSONExt.isPrimitive({})).toEqual(false);
});
});
describe('isArray()', () => {
it('should test whether a JSON value is an array', () => {
expect(JSONExt.isArray([])).toEqual(true);
expect(JSONExt.isArray(null)).toEqual(false);
expect(JSONExt.isArray(1)).toEqual(false);
});
});
describe('isObject()', () => {
it('should test whether a JSON value is an object', () => {
expect(JSONExt.isObject({ a: 1 })).toEqual(true);
expect(JSONExt.isObject({})).toEqual(true);
expect(JSONExt.isObject([])).toEqual(false);
expect(JSONExt.isObject(1)).toEqual(false);
});
});
describe('deepEqual()', () => {
it('should compare two JSON values for deep equality', () => {
expect(JSONExt.deepEqual([], [])).toEqual(true);
expect(JSONExt.deepEqual([1], [1])).toEqual(true);
expect(JSONExt.deepEqual({}, {})).toEqual(true);
expect(JSONExt.deepEqual({ a: [] }, { a: [] })).toEqual(true);
expect(JSONExt.deepEqual({ a: { b: null } }, { a: { b: null } })).toEqual(true);
expect(JSONExt.deepEqual({ a: '1' }, { a: '1' })).toEqual(true);
expect(JSONExt.deepEqual({ a: { b: null } }, { a: { b: '1' } })).toEqual(false);
expect(JSONExt.deepEqual({ a: [] }, { a: [1] })).toEqual(false);
expect(JSONExt.deepEqual([1], [1, 2])).toEqual(false);
expect(JSONExt.deepEqual(null, [1, 2])).toEqual(false);
expect(JSONExt.deepEqual([1], {})).toEqual(false);
expect(JSONExt.deepEqual([1], [2])).toEqual(false);
expect(JSONExt.deepEqual({}, { a: 1 })).toEqual(false);
expect(JSONExt.deepEqual({ b: 1 }, { a: 1 })).toEqual(false);
});
});
describe('deepCopy()', () => {
it('should deep copy an object', () => {
const v1 = null;
const v2 = true;
const v3 = false;
const v4 = 'foo';
const v5 = 42;
const v6 = [1, 2, 3, [4, 5, 6], { a: 12, b: [4, 5] }, false];
const v7 = { a: false, b: [null, [1, 2]], c: { a: 1 } };
const r1 = JSONExt.deepCopy(v1);
const r2 = JSONExt.deepCopy(v2);
const r3 = JSONExt.deepCopy(v3);
const r4 = JSONExt.deepCopy(v4);
const r5 = JSONExt.deepCopy(v5);
const r6 = JSONExt.deepCopy(v6);
const r7 = JSONExt.deepCopy(v7);
expect(v1).toEqual(r1);
expect(v2).toEqual(r2);
expect(v3).toEqual(r3);
expect(v4).toEqual(r4);
expect(v5).toEqual(r5);
expect(v6).toEqual(r6);
expect(v7).toEqual(r7);
expect(v6).toEqual(r6);
expect(v6[3]).not.toBe(r6[3]);
expect(v6[4]).not.toBe(r6[4]);
expect(v6[4].b).not.toBe(r6[4].b);
expect(v7).toEqual(r7);
expect(v7.b).not.toBe(r7.b);
expect(v7.b[1]).not.toBe(r7.b[1]);
expect(v7.c).not.toBe(r7.c);
});
});
});
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