How to use the Assertion function from chai

chai_assertions_count.md?plain=1

GitHub: chaijs/chaijs.github.io

72
73
74
75
76
77
78
79
80
81
const chaiAssertionsCount = require('chai-assertions-count');
chai.use(chaiAssertionsCount);

describe('suite #2', () => {
  beforeEach(() => {
    chai.Assertion.resetAssertsCheck();
  });
  afterEach(() => {
    // you don't need both of them
    chai.Assertion.checkAssertionsCount();

73

45

6

+ 9 other calls in file

test-helper.js

GitHub: 1024pix/pix

186
187
188
189
190
191
192
193
194
195
196
197
    throw new Error('Expected an error, but none was thrown.');
  };
}


chai.use(function (chai) {
  const Assertion = chai.Assertion;


  Assertion.addMethod('exactlyContain', function (expectedElements) {
    const errorMessage = `expect [${this._obj}] to exactly contain [${expectedElements}]`;
    new Assertion(this._obj, errorMessage).to.deep.have.members(expectedElements);

48

196

0

+ 3 other calls in file