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How to use the not function from should

Find comprehensive JavaScript should.not code examples handpicked from public code repositorys.

should.not is a property provided by the should.js library that negates the assertion made with should.

util.test.js

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describe('test prepareZone', function () {
    it('test prepareZone', function (done) {
        config.zone = qiniu.zone.Zone_z0;
        qiniu.util.prepareZone(bucketManager, bucketManager.mac.accessKey, bucket, function (err, ctx) {
            should.not.exist(err);
            should.equal(bucketManager, ctx);
            done();
        });
    });

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+ 9 other calls in file

index.test.js

GitHub: node-modules/parameter

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});

it('should not required work fine', () => {
  var value = {int: 1};
  var rule = {int: {type: 'int', required: false}};
  should.not.exist(parameter.validate(rule, {}));
});

it('should not required work fine with null', () => {
  var value = { int: 1 };

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+ 87 other calls in file

How does should.not work?

should.not is a property provided by the should.js library that allows you to negate the assertion made with should. When you make an assertion with should, it tests whether a given condition is true and throws an error if it's false. By chaining the not property to the assertion, the assertion is negated, meaning that it will pass if the condition is false and fail if it's true. Here's an example to illustrate this: javascript Copy code {{{{{{{ const should = require('should'); const user = { name: 'John', age: 30 }; // This assertion will pass user.should.not.have.property('email'); // This assertion will fail user.should.not.have.property('age'); In this example, we first assert that the user object does not have a email property by using should.not and the have.property assertion. The second assertion checks that the user object does not have an age property. However, since the age property is present in the user object, the assertion fails and throws an error. By using should.not, you can easily negate an assertion and check for the opposite condition. This can be useful in scenarios where you want to make sure that a property or value is not present in an object or an array.

deviceRegistryMemory_test.js

GitHub: telefonicaid/iotagent-node-lib

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'internalId',
'internal3',
'smartgondor',
'gardens',
function (error, devices) {
    should.not.exist(error);
    should.exist(devices);
    devices.length.should.equal(1);
    devices[0].id.should.equal('id3');
    done();

+ 3 other calls in file

entity.js

GitHub: getodk/central-backend

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      const event = await container.Audits.getLatestByAction('entity.create.error').then((o) => o.get());
      should.exist(event);
      // The error in this case is not one of our Problems but an error thrown by slonik
      // from passing in some broken (undefined/missing) value for submissionDefId.
      should.exist(event.details.errorMessage);
      should.not.exist(event.details.problem);
      event.details.errorMessage.should.equal('SQL tag cannot be bound an undefined value.');
    }));
  });
});

Ai Example

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const should = require("should");

const fruits = ["apple", "banana", "orange"];

// This assertion will pass
fruits.should.have.lengthOf(3);

// This assertion will pass as well, because the array doesn't contain 'grape'
fruits.should.not.containEql("grape");

// This assertion will fail, because the array does contain 'banana'
fruits.should.not.containEql("banana");

In this example, we first assert that the fruits array has a length of 3 using the have.lengthOf assertion. Then, we use the not property to negate the containEql assertion and check that the fruits array does not contain the string 'grape'. Since 'grape' is not present in the array, the assertion passes. However, when we try to check that the fruits array does not contain the string 'banana', the assertion fails because 'banana' is one of the elements in the array. This demonstrates how should.not can be used to negate an assertion and test for the opposite condition.

client.test.js

GitHub: alibaba-archive/restful-client

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describe('RESTfulClient', function () {
  describe('request()', function () {
    it('should return status 200 results', function (done) {
      gitlab.projects.list(function (err, result) {
        should.not.exists(err);
        should.exists(result);
        result.length.should.above(1);
        result[0].should.have.property('id');
        lastId = result[result.length - 1].id;

+ 77 other calls in file

clean_postman_scenario_test.js

GitHub: smartsheet/smartsheet-sdk-tests

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it("doesn't change scenarios with no request headers", function() {
    var scenario = givenScenarioWithRequestHeaders(undefined);

    cleanPostmanScenario.cleanPostmanScenario(scenario);

    should.not.exist(scenario.request.headers);
});

it("doesn't change scenarios with no response headers", function() {
    var scenario = givenScenarioWithResponseHeaders(undefined);

+ 3 other calls in file

user.server.model.tests.js

GitHub: coversb/iot-operation

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_user1.email = '123';
_user1.save(function (err) {
  if (!err) {
    _user1.remove(function (err_remove) {
      should.exist(err);
      should.not.exist(err_remove);
      done();
    });
  } else {
    should.exist(err);

+ 243 other calls in file

reportstorage.test.js

GitHub: sweetmiss0923/cgm-remote-monitor

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    });


    it('reportstorage.saveProps ignores property not tracked', () => {
        reportstorage.saveProps({foo: 'bar'});
        should.exist(mockStorage.get('reportProperties'));
        should.not.exist(mockStorage.get('reportProperties').foo);
    });
});

+ 2 other calls in file

profile.test.js

GitHub: sweetmiss0923/cgm-remote-monitor

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  should.not.exist(dia);
});

it('should return undefined if asking for missing keys', function() {
  var sens = profile_empty.getSensitivity(now);
  should.not.exist(sens);
});

var profileData = {
  'dia': 3

+ 5 other calls in file

posts.test.js

GitHub: merlinepedra/Ghost-BISINES

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.end(function (err, res) {
    if (err) {
        return done(err);
    }

    should.not.exist(res.headers['x-cache-invalidate']);
    const jsonResponse = res.body;
    should.exist(jsonResponse.posts);
    localUtils.API.checkResponse(jsonResponse, 'posts');
    jsonResponse.posts.should.have.length(13);

+ 10 other calls in file

directions.js

GitHub: furkot/directions

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describe('furkot-directions node module', function () {


  it('no input', async function () {
    const result = await furkotDirections()();
    should.not.exist(result);
  });


  it('empty input', async function () {
    const result = await furkotDirections()({});

+ 2 other calls in file

members.test.js

GitHub: TryGhost/Ghost

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    const csv = Papa.parse(res.text, {header: true});
    should.exist(csv.data.find(row => row.name === 'Mr Egg'));
    should.not.exist(csv.data.find(row => row.name === 'Egon Spengler'));
    should.not.exist(csv.data.find(row => row.name === 'Ray Stantz'));
    should.not.exist(csv.data.find(row => row.email === 'member2@test.com'));
    // note that this member doesn't have tiers
    should.exist(csv.data.find(row => row.labels.length > 0));
});

+ 14 other calls in file

index.test.js

GitHub: TryGhost/Ghost

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});

it('returns empty for no base directory', function () {
    const testDir = path.resolve('test/utils/fixtures/import/zips/zip-without-base-dir');

    should.not.exist(ImportManager.getBaseDirectory(testDir));
});

it('returns empty for content handler directories', function () {
    const testDir = path.resolve('test/utils/fixtures/import/zips/zip-image-dir');

+ 5 other calls in file

channelService.js

GitHub: pofresh/pofresh

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});

it('should return undefined if the channel dose not exist', function () {
    let channelService = new ChannelService(mockApp);
    let channel = channelService.getChannel(channelName);
    should.not.exist(channel);
});

it('should create and return a new channel if create parameter is set', function () {
    let channelService = new ChannelService(mockApp);

+ 5 other calls in file

application.js

GitHub: pofresh/pofresh

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    });
});

describe('#set and get', function () {
    it('should play the role of normal set and get', function () {
        should.not.exist(app.get('some undefined key'));

        let key = 'some defined key', value = 'some value';
        app.set(key, value);
        value.should.equal(app.get(key));

+ 8 other calls in file

salla-strategy.test.js

GitHub: ThabetDo/refy

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    });
  });

  it("should not load profile", function (done) {
    strategy.userProfile("something", function (err, profile) {
      should.not.exist(profile);
      done();
    });
  });
};

+ 19 other calls in file

StripeAPI.test.js

GitHub: mdefeo/cms.marcellodefeo.com

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it('createCheckoutSession uses trial_from_plan without trialDays', async function (){
    await api.createCheckoutSession('priceId', null, {});

    should.exist(mockStripe.checkout.sessions.create.firstCall.firstArg.subscription_data.trial_from_plan);
    should.equal(mockStripe.checkout.sessions.create.firstCall.firstArg.subscription_data.trial_from_plan, true);
    should.not.exist(mockStripe.checkout.sessions.create.firstCall.firstArg.subscription_data.trial_period_days);
});

it('createCheckoutSession ignores 0 trialDays', async function (){
    await api.createCheckoutSession('priceId', null, {

+ 9 other calls in file

tokens.test.js

GitHub: mdefeo/cms.marcellodefeo.com

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        token: token
    });

    parts.email.should.eql(email);
    parts.expires.should.eql(expires);
    should.not.exist(parts.password);
    should.not.exist(parts.dbHash);
});

it('extract - hashed password', function () {

+ 7 other calls in file

CollectionRouter.test.js

GitHub: mdefeo/cms.marcellodefeo.com

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it('default', function () {
    const collectionRouter = new CollectionRouter('/', {permalink: '/:slug/'}, RESOURCE_CONFIG, routerCreatedSpy);

    should.exist(collectionRouter.router);

    should.not.exist(collectionRouter.filter);
    collectionRouter.getResourceType().should.eql('posts');
    collectionRouter.templates.should.eql([]);
    collectionRouter.getPermalinks().getValue().should.eql('/:slug/');

+ 3 other calls in file

exporter.test.js

GitHub: mdefeo/cms.marcellodefeo.com

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excludedSettings.forEach((settingKey) => {
    should.not.exist(_.find(exportData.data.settings, {key: settingKey}));
});

should.not.exist(_.find(exportData.data.settings, {key: 'permalinks'}));

// should not export sqlite data
should.not.exist(exportData.data.sqlite_sequence);
done();

+ 5 other calls in file

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