How to use the describe function from mocha

Find comprehensive JavaScript mocha.describe code examples handpicked from public code repositorys.

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after(function() {
  testHelper.remove();
});

describe('equality', function() {
  it('returns false when comparing different types', function () {
    expect(utils.equals(null, undefined)).to.equal(false);
    expect(utils.equals(1, 'a string')).to.equal(false);
    expect(utils.equals([1, 2, 3], {one: 'value'})).to.equal(false);
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    const result = await cache.aggregate([val345, val456], agg)
    assert.equal(Number(result), 400.5)
  })
})

describe('Min Aggregator', () => {
  const agg = Aggregators.min('str')

  it('should aggregate all entries', async () => {
    const result = await cache.aggregate(agg)
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+ 29 other calls in file

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afterEach(function () {
  config.github.token = null;
});

describe('#ScalingoClient.getInstance', () => {
  it('should return the Scalingo client instance for recette', async () => {
    // given
    const clientStub = {
      clientFromToken: async () => {
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let sandbox;
beforeEach(() => { sandbox = sinon.createSandbox(); });
afterEach(() => sandbox.restore());


describe('index.js', () => {
  describe('LoginClient', () => {
    describe('constructor', () => {
      const tests = {};
      tests[Symbol.iterator] = function* () {
        yield {
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    it('set sub key', () => {
        const test = {Hello:{Name:'Paul',World:'World'}};
        assert.deepEqual(ObjectFactory.Set(test, 'Hello.Name', 'Sabrina'), {Hello:{Name:'Sabrina',World:'World'}});
    });
});
describe('[Method]: Equal', () => {
    it('should compare number', () => {
        assert.isTrue(ObjectFactory.Equal(1, 1));
        assert.isFalse(ObjectFactory.Equal(1, 2));
    });
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  it(param, () => {
    assert.notStrictEqual(process.env[param], undefined, `${param} is not specified`);
  });
};


allConfig.map((config) => describe(config.title, () => {
  config.params.map((param) => testEnvParam(param));
}));
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  it('O objeto tem as propriedades "id", "name"', async () => {
    const result = await productModel.getById();
    expect(result).to.include.all.keys('id', 'name');
  });
});
describe('Caso não exisa o produto buscado', () => {
  before(() => {
    const executeResult = [[], []];
    sinon.stub(connection, 'execute').resolves(executeResult);
  });
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    it('Test 3: Random limit range', () => {
        expect(rgbToHexColor(145, 97, 143)).to.equal('#91618F');
    });
});

describe('Invalid Limits', () => {

    it('Test 4: If one or more elements are outside the upper limit', () => {
        expect(rgbToHexColor(256, 256, 256)).to.be.undefined;
        expect(rgbToHexColor(256, 0, 0)).to.be.undefined;
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        expect(http.createServer.callCount).to.be.equal(1);
        expect(api.createServer.getCall(0).args[1]).to.be.equal(portTest);
    });
});

describe("/Routes", () => {
    before(() => {
        const instance = new App();

        api = {
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    expect(arr.capacity).to.equal(capacity);
    expect(arr.length).to.equal(0);
    expect(arr.items).to.be.instanceOf(Array);
});

describe('Testing isFull method', () => {
    it('should return true when array is full', () => {
        arr.length = capacity;
        expect(arr.isFull).to.be.true;
    });
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        .expect(200)

        assert.strictEqual(response.text, 'contact us page')
    })
})
describe('/login:post', () => {
    it('should request the login and return HTTP Status 200', async () => {
        const response = await supertest(app)
        .post('/login')
        .send({username:"erickwendel", password:"123"})
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const { describe, it } = require('mocha');
const bcrypt = require('bcrypt')
// Define the test suite
describe('MySQL tests', function() {
    // Define the test case for add_user
    describe('add_user', function() {
        // Define the test case for when the phone number is invalid
        it('should return false when the phone number is invalid', function() {
            // Call the add_user function with an invalid phone number
            const result = mysql.add_user('John', 'john@example.com', 'password', '123456789');
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