mayContainChildComponent-test.js
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/* eslint-env jest */
import mayContainChildComponent from '../../../src/util/mayContainChildComponent';
import JSXAttributeMock from '../../../__mocks__/JSXAttributeMock';
import JSXElementMock from '../../../__mocks__/JSXElementMock';
import JSXExpressionContainerMock from '../../../__mocks__/JSXExpressionContainerMock';
describe('mayContainChildComponent', () => {
describe('no FancyComponent', () => {
it('should return false', () => {
expect(mayContainChildComponent(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], []),
]),
]),
]),
JSXElementMock('span', [], []),
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
]),
]),
'FancyComponent',
5,
)).toBe(false);
});
});
describe('contains an indicated component', () => {
it('should return true', () => {
expect(mayContainChildComponent(
JSXElementMock('div', [], [
JSXElementMock('input'),
]),
'input',
)).toBe(true);
});
it('should return true', () => {
expect(mayContainChildComponent(
JSXElementMock('div', [], [
JSXElementMock('FancyComponent'),
]),
'FancyComponent',
)).toBe(true);
});
it('FancyComponent is outside of default depth, should return false', () => {
expect(mayContainChildComponent(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXElementMock('FancyComponent'),
]),
]),
'FancyComponent',
)).toBe(false);
});
it('FancyComponent is inside of custom depth, should return true', () => {
expect(mayContainChildComponent(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXElementMock('FancyComponent'),
]),
]),
'FancyComponent',
2,
)).toBe(true);
});
it('deep nesting, should return true', () => {
expect(mayContainChildComponent(
JSXElementMock('div', [], [
JSXElementMock('div', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], []),
JSXElementMock('span', [], [
JSXElementMock('span', [], [
JSXElementMock('span', [], [
JSXElementMock('FancyComponent'),
]),
]),
]),
]),
]),
JSXElementMock('span', [], []),
JSXElementMock('img', [
JSXAttributeMock('src', 'some/path'),
]),
]),
'FancyComponent',
6,
)).toBe(true);
});
});
describe('Intederminate situations', () => {
describe('expression container children', () => {
it('should return true', () => {
expect(mayContainChildComponent(
JSXElementMock('div', [], [
JSXExpressionContainerMock('mysteryBox'),
]),
'FancyComponent',
)).toBe(true);
});
});
});
});