How to use flushUntilIndex method in unexpected

Best JavaScript code snippet using unexpected

assertions.js

Source:assertions.js

...216            label: 'should not match',217            diff(output) {218              output.inline = false;219              let lastIndex = 0;220              function flushUntilIndex(i) {221                if (i > lastIndex) {222                  output.text(subject.substring(lastIndex, i));223                  lastIndex = i;224                }225              }226              subject.replace(new RegExp(regexp.source, 'g'), ($0, index) => {227                flushUntilIndex(index);228                lastIndex += $0.length;229                output.removedHighlight($0);230              });231              flushUntilIndex(subject.length);232              return output;233            },234          });235        }236      )237  );238  expect.addAssertion(239    '<object> [not] to have own property <string|Symbol>',240    (expect, subject, key) => {241      expect(242        Object.prototype.hasOwnProperty.call(subject, key),243        '[not] to be truthy'244      );245      return subject[key];246    }247  );248  expect.addAssertion(249    '<object> to have (enumerable|unenumerable|configurable|unconfigurable|writable|unwritable|readonly) property <string|Symbol>',250    (expect, subject, key) => {251      let attribute = expect.alternations[0];252      let negated = false;253      if (attribute.indexOf('un') === 0) {254        attribute = attribute.substr(2);255        negated = true;256      } else if (attribute === 'readonly') {257        attribute = 'writable';258        negated = true;259      }260      const descriptor = Object.getOwnPropertyDescriptor(subject, key);261      expect(descriptor, 'to be defined');262      expect(descriptor[attribute] !== negated, 'to be true');263      return subject[key];264    }265  );266  expect.addAssertion(267    '<object> [not] to have property <string|Symbol>',268    (expect, subject, key) => {269      const subjectType = expect.findTypeOf(subject);270      const subjectKey = subjectType.is('function')271        ? subject[key]272        : subjectType.valueForKey(subject, key);273      expect(subjectKey, '[!not] to be undefined');274      return subjectKey;275    }276  );277  expect.addAssertion(278    '<object> to have [own] property <string|Symbol> <any>',279    (expect, subject, key, expectedPropertyValue) =>280      expect(subject, 'to have [own] property', key).then(281        (actualPropertyValue) => {282          expect.argsOutput = function () {283            this.appendInspected(key)284              .sp()285              .error('with a value of')286              .sp()287              .appendInspected(expectedPropertyValue);288          };289          expect(actualPropertyValue, 'to equal', expectedPropertyValue);290          return actualPropertyValue;291        }292      )293  );294  expect.addAssertion(295    '<object> [not] to [only] have [own] properties <array>',296    (expect, subject, propertyNames) => {297      const unsupportedPropertyNames = propertyNames.filter((propertyName) => {298        const type = typeof propertyName;299        return type !== 'string' && type !== 'number' && type !== 'symbol';300      });301      if (unsupportedPropertyNames.length > 0) {302        expect.errorMode = 'nested';303        expect.fail(function () {304          this.error(305            'All expected properties must be passed as strings, symbols, or numbers, but these are not:'306          ).indentLines();307          unsupportedPropertyNames.forEach(function (propertyName) {308            this.nl().i().appendInspected(propertyName);309          }, this);310          this.outdentLines();311        });312      }313      if (expect.flags.only) {314        if (expect.flags.not) {315          expect.errorMode = 'bubble';316          expect.fail(317            'The "not" flag cannot be used together with "to only have properties".'318          );319        }320        if (expect.flags.own) {321          expect.errorMode = 'bubble';322          expect.fail(323            'The "own" flag cannot be used together with "to only have properties".'324          );325        }326        const subjectType = expect.subjectType;327        const subjectKeys = subjectType.getKeys(subject).filter(328          (key) =>329            // include only those keys whose value is not undefined330            typeof subjectType.valueForKey(subject, key) !== 'undefined'331        );332        expect.withError(333          () => {334            expect(subjectKeys.length === propertyNames.length, 'to be true');335            // now catch differing property names336            const keyInValue = {};337            propertyNames.forEach((key) => {338              keyInValue[key] = true;339            });340            subjectKeys.forEach((key) =>341              expect(342                Object.prototype.hasOwnProperty.call(keyInValue, key),343                'to be true'344              )345            );346          },347          () => {348            expect.fail({349              diff: (output, diff, inspect, equal) => {350                output.inline = true;351                const keyInValue = {};352                propertyNames.forEach((key) => {353                  keyInValue[key] = true;354                });355                subjectType.prefix(output, subject);356                output.nl().indentLines();357                subjectKeys.forEach((key, index) => {358                  const propertyOutput = subjectType.property(359                    output.clone(),360                    key,361                    inspect(subjectType.valueForKey(subject, key))362                  );363                  const delimiterOutput = subjectType.delimiter(364                    output.clone(),365                    index,366                    subjectKeys.length367                  );368                  output369                    .i()370                    .block(function () {371                      this.append(propertyOutput).amend(delimiterOutput);372                      if (373                        !Object.prototype.hasOwnProperty.call(keyInValue, key)374                      ) {375                        this.sp().annotationBlock(function () {376                          this.error('should be removed');377                        });378                      } else {379                        delete keyInValue[key];380                      }381                    })382                    .nl();383                });384                // list any remaining value properties as missing385                Object.keys(keyInValue).forEach((valueKey) => {386                  output387                    .i()388                    .annotationBlock(function () {389                      this.error('missing').sp().append(inspect(valueKey));390                    })391                    .nl();392                });393                output.outdentLines();394                subjectType.suffix(output, subject);395                return output;396              },397            });398          }399        );400      } else {401        propertyNames.forEach((propertyName) => {402          expect(403            subject,404            '[not] to have [own] property',405            typeof propertyName === 'number'406              ? String(propertyName)407              : propertyName408          );409        });410      }411    }412  );413  expect.addAssertion(414    '<object> to have [own] properties <object>',415    (expect, subject, properties) => {416      expect.withError(417        () => {418          Object.keys(properties).forEach((property) => {419            const value = properties[property];420            if (typeof value === 'undefined') {421              expect(subject, 'not to have [own] property', property);422            } else {423              expect(subject, 'to have [own] property', property, value);424            }425          });426        },427        (e) => {428          expect.fail({429            diff(output, diff) {430              output.inline = false;431              const expected = extend({}, properties);432              const actual = {};433              const propertyNames = expect.findTypeOf(subject).getKeys(subject);434              // Might put duplicates into propertyNames, but that does not matter:435              for (const propertyName in subject) {436                if (437                  !Object.prototype.hasOwnProperty.call(subject, propertyName)438                ) {439                  propertyNames.push(propertyName);440                }441              }442              propertyNames.forEach((propertyName) => {443                if (444                  (!expect.flags.own ||445                    Object.prototype.hasOwnProperty.call(446                      subject,447                      propertyName448                    )) &&449                  !(propertyName in properties)450                ) {451                  expected[propertyName] = subject[propertyName];452                }453                if (454                  (!expect.flags.own ||455                    Object.prototype.hasOwnProperty.call(456                      subject,457                      propertyName458                    )) &&459                  !(propertyName in actual)460                ) {461                  actual[propertyName] = subject[propertyName];462                }463              });464              return utils.wrapConstructorNameAroundOutput(465                diff(actual, expected),466                subject467              );468            },469          });470        }471      );472    }473  );474  expect.addAssertion(475    '<string|array-like> [not] to have length <number>',476    (expect, subject, length) => {477      if (!expect.flags.not) {478        expect.errorMode = 'nested';479      }480      expect(subject.length, '[not] to be', length);481    }482  );483  expect.addAssertion(484    '<string|array-like> [not] to be empty',485    (expect, subject) => {486      expect(subject, '[not] to have length', 0);487    }488  );489  expect.addAssertion(490    '<string|array-like|object> to be non-empty',491    (expect, subject) => {492      expect(subject, 'not to be empty');493    }494  );495  expect.addAssertion(496    '<object> to [not] [only] have keys <array>',497    (expect, subject, keys) => {498      const keysInSubject = {};499      const subjectType = expect.findTypeOf(subject);500      const subjectKeys = subjectType.getKeys(subject);501      subjectKeys.forEach((key) => {502        keysInSubject[key] = true;503      });504      if (expect.flags.not && keys.length === 0) {505        return;506      }507      const hasKeys = keys.every((key) => keysInSubject[key]);508      if (expect.flags.only) {509        expect(hasKeys, 'to be truthy');510        expect.withError(511          () => {512            expect(subjectKeys.length === keys.length, '[not] to be truthy');513          },514          () => {515            expect.fail({516              diff:517                !expect.flags.not &&518                ((output, diff, inspect, equal) => {519                  output.inline = true;520                  const keyInValue = {};521                  keys.forEach((key) => {522                    keyInValue[key] = true;523                  });524                  const subjectIsArrayLike = subjectType.is('array-like');525                  subjectType.prefix(output, subject);526                  output.nl().indentLines();527                  subjectKeys.forEach((key, index) => {528                    const propertyOutput = subjectType.property(529                      output.clone(),530                      key,531                      inspect(subjectType.valueForKey(subject, key)),532                      subjectIsArrayLike533                    );534                    const delimiterOutput = subjectType.delimiter(535                      output.clone(),536                      index,537                      subjectKeys.length538                    );539                    output540                      .i()541                      .block(function () {542                        this.append(propertyOutput).amend(delimiterOutput);543                        if (!keyInValue[key]) {544                          this.sp().annotationBlock(function () {545                            this.error('should be removed');546                          });547                        }548                      })549                      .nl();550                  });551                  output.outdentLines();552                  subjectType.suffix(output, subject);553                  return output;554                }),555            });556          }557        );558      } else {559        expect(hasKeys, '[not] to be truthy');560      }561    }562  );563  expect.addAssertion('<object> [not] to be empty', (expect, subject) => {564    if (565      expect.flags.not &&566      !expect.findTypeOf(subject).getKeys(subject).length567    ) {568      return expect.fail();569    }570    expect(subject, 'to [not] only have keys', []);571  });572  expect.addAssertion(573    '<object> not to have keys <array>',574    (expect, subject, keys) => {575      expect(subject, 'to not have keys', keys);576    }577  );578  expect.addAssertion(579    '<object> not to have key <string>',580    (expect, subject, value) => {581      expect(subject, 'to not have keys', [value]);582    }583  );584  expect.addAssertion(585    '<object> not to have keys <string+>',586    function (expect, subject, value) {587      expect(588        subject,589        'to not have keys',590        Array.prototype.slice.call(arguments, 2)591      );592    }593  );594  expect.addAssertion(595    '<object> to [not] [only] have key <string>',596    (expect, subject, value) => {597      expect(subject, 'to [not] [only] have keys', [value]);598    }599  );600  expect.addAssertion(601    '<object> to [not] [only] have keys <string+>',602    function (expect, subject) {603      expect(604        subject,605        'to [not] [only] have keys',606        Array.prototype.slice.call(arguments, 2)607      );608    }609  );610  expect.addAssertion(611    '<string> [not] to contain <string+>',612    function (expect, subject) {613      const args = Array.prototype.slice.call(arguments, 2);614      args.forEach((arg) => {615        if (arg === '') {616          throw new Error(617            `The '${expect.testDescription}' assertion does not support the empty string`618          );619        }620      });621      expect.withError(622        () => {623          args.forEach((arg) => {624            expect(subject.indexOf(arg) !== -1, '[not] to be truthy');625          });626        },627        (e) => {628          expect.fail({629            diff(output) {630              output.inline = false;631              let lastIndex = 0;632              function flushUntilIndex(i) {633                if (i > lastIndex) {634                  output.text(subject.substring(lastIndex, i));635                  lastIndex = i;636                }637              }638              if (expect.flags.not) {639                subject.replace(640                  new RegExp(641                    args642                      .map((arg) => utils.escapeRegExpMetaChars(arg))643                      .join('|'),644                    'g'645                  ),646                  ($0, index) => {647                    flushUntilIndex(index);648                    lastIndex += $0.length;649                    output.removedHighlight($0);650                  }651                );652                flushUntilIndex(subject.length);653              } else {654                const ranges = [];655                args.forEach((arg) => {656                  let needle = arg;657                  let partial = false;658                  while (needle.length > 1) {659                    let found = false;660                    lastIndex = -1;661                    let index;662                    do {663                      index = subject.indexOf(needle, lastIndex + 1);664                      if (index !== -1) {665                        found = true;666                        ranges.push({667                          startIndex: index,668                          endIndex: index + needle.length,669                          partial,670                        });671                      }672                      lastIndex = index;673                    } while (lastIndex !== -1);674                    if (found) {675                      break;676                    }677                    needle = arg.substr(0, needle.length - 1);678                    partial = true;679                  }680                });681                lastIndex = 0;682                ranges683                  .sort((a, b) => a.startIndex - b.startIndex)684                  .forEach(({ startIndex, endIndex, partial }) => {685                    flushUntilIndex(startIndex);686                    const firstUncoveredIndex = Math.max(startIndex, lastIndex);687                    if (endIndex > firstUncoveredIndex) {688                      if (partial) {689                        output.partialMatch(690                          subject.substring(firstUncoveredIndex, endIndex)691                        );692                      } else {693                        output.match(694                          subject.substring(firstUncoveredIndex, endIndex)695                        );696                      }697                      lastIndex = endIndex;698                    }699                  });700                flushUntilIndex(subject.length);701              }702              return output;703            },704          });705        }706      );707    }708  );709  expect.addAssertion(710    [711      '<array-like> to [only] contain <any+>',712      '<array-like> [not] to contain <any+>',713    ],714    function (expect, subject) {...

Using AI Code Generation

1const unexpected = require('unexpected');2const unexpectedHtmlLike = require('unexpected-htmllike');3const unexpectedReact = require('unexpected-react');4const expect = unexpected.clone().use(unexpectedHtmlLike).use(unexpectedReact);5expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {6  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));7});8expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {9  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));10});11expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {12  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));13});14expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {15  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));16});17expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {18  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));19});20expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {21  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));22});23expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {24  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));25});26expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {27  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));28});29expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {30  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));31});32expect.addAssertion('<ReactElement> to have rendered <ReactElement>', (expect, subject, value) => {33  return expect(subject, 'to have rendered', expect(subject, 'to have rendered', value));34});35expect.addAssertion('<ReactElement> to

Using AI Code Generation

1const sinon = require('sinon');2const expect = require('unexpected-sinon');3const stub = sinon.stub();4stub.withArgs(1).returns(1);5stub.withArgs(2).returns(2);6expect(stub, 'was called with', 1);7expect(stub, 'was called with', 2);

Using AI Code Generation

1var expect = require('unexpected').clone();2expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {3    expect(subject, 'to be greater than or equal to', value);4});5expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {6    expect(subject, 'to be greater than or equal to', value);7});8expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {9    expect(subject, 'to be greater than or equal to', value);10});11expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {12    expect(subject, 'to be greater than or equal to', value);13});14expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {15    expect(subject, 'to be greater than or equal to', value);16});17expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {18    expect(subject, 'to be greater than or equal to', value);19});20expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {21    expect(subject, 'to be greater than or equal to', value);22});23expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {24    expect(subject, 'to be greater than or equal to', value);25});26expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {27    expect(subject, 'to be greater than or equal to', value);28});29expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {30    expect(subject, 'to be greater than or equal to', value);31});32expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {33    expect(subject, 'to be greater than or equal to', value);34});35expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {36    expect(subject, 'to be greater than or equal to', value);37});38expect.addAssertion('<any> to be greater than <number>', function (expect, subject, value) {39    expect(subject, 'to be greater than or equal

Using AI Code Generation

1import React from 'react';2import { render, flushUntilIndex } from 'unexpected-dom';3import { render as reactRender } from 'react-dom';4import App from './App';5describe('App', () => {6  it('should render the App', async () => {7    const root = document.createElement('div');8    reactRender(<App />, root);9    await flushUntilIndex(1);10    expect(root, 'to have rendered', <div>App</div>);11  });12});13import React from 'react';14const App = () => {15  return <div>App</div>;16};17export default App;

Using AI Code Generation

1const { spy } = require('sinon');2const { createSpy, flushUntilIndex } = require('unexpected-sinon');3const callback = spy();4const mySpy = createSpy(callback);5mySpy('first call');6mySpy('second call');7mySpy('third call');8flushUntilIndex(callback, 1);9flushUntilIndex(callback, 8) or flushUntilIndex(callback, -9) will flush all the calls until the index 8 or

Using AI Code Generation

1const { expect } = require('unexpected');2const { flushUntilIndex } = require('unexpected-snapshot');3const { snapshot } = require('unexpected-snapshot');4const { flushUntilIndex } = snapshot;5const { expect, snapshot } = require('unexpected-snapshot');6const { flushUntilIndex } = snapshot;7const { expect, snapshot } = require('unexpected-snapshot');8const { flushUntilIndex } = expect;9const { expect, snapshot } = require('unexpected-snapshot');10const { flushUntilIndex } = expect.output;11const { expect, snapshot } = require('unexpected-snapshot');12const { flushUntilIndex } = expect.output.clone();13const { expect, snapshot } = require('unexpected-snapshot');14const { flushUntilIndex } = expect.output.clone().text;15const { expect, snapshot } = require('unexpected-snapshot');16const { flushUntilIndex } = expect.output.clone().text.clone();17const { expect, snapshot } = require('unexpected-snapshot');18const { flushUntilIndex } = expect.output.clone().text.clone().ansi;19const { expect, snapshot } = require('unexpected-snapshot');20const { flushUntilIndex } = expect.output.clone().text.clone().ansi.clone();21const { expect, snapshot } = require('unexpected-snapshot');22const { flushUntilIndex } = expect.output.clone().text.clone().ansi.clone().html;23const { expect, snapshot } = require('unexpected-snapshot');24const { flushUntilIndex } = expect.output.clone().text.clone().ansi.clone().html.clone();25const { expect, snapshot } = require('unexpected-snapshot');26const { flushUntilIndex } = expect.output.clone().text.clone().ansi.clone().html.clone().clone

Using AI Code Generation

1const unexpected = require('unexpected');2const unexpectedSinon = require('unexpected-sinon');3unexpected.use(unexpectedSinon);4const expect = unexpected.clone()5  .use(unexpectedSinon);6expect.addAssertion('<any> to call the console', (expect, subject) => {7  expect(subject, 'to call the console log');8});9expect.addAssertion('<any> to call the console log', (expect, subject) => {10  expect(subject, 'to call console.log');11});12expect.addAssertion('<any> to call console.log', (expect, subject) => {13  expect(subject, 'to call console.log');14});15expect.addAssertion('<any> to call console.log', (expect, subject) => {16  expect(subject, 'to call console.log');17});18expect.addAssertion('<any> to call console.log', (expect, subject) => {19  expect(subject, 'to call console.log');20});21expect.addAssertion('<any> to call console.log', (expect, subject) => {22  expect(subject, 'to call console.log');23});24expect.addAssertion('<any> to call console.log', (expect, subject) => {25  expect(subject, 'to call console.log');26});27expect.addAssertion('<any> to call console.log', (expect, subject) => {28  expect(subject, 'to call console.log');29});30expect.addAssertion('<any> to call console.log', (expect, subject) => {31  expect(subject, 'to call console.log');32});33expect.addAssertion('<any> to call console.log', (expect, subject) => {34  expect(subject, 'to call console.log');35});36expect.addAssertion('<any> to call console.log', (expect, subject) => {37  expect(subject, 'to call console.log');38});39const test = () => {40  console.log('1');41  console.log('2');42  console.log('3');43  console.log('4');44  console.log('5');45  console.log('6');46  console.log('7');47  console.log('8');48  console.log('9');49  console.log('10');50  console.log('11');51  console.log('12');52  console.log('13');53  console.log('14');54  console.log('15');55  console.log('16');56  console.log('17');57  console.log('18');58  console.log('19');

Using AI Code Generation

1const unexpectedCalls = require('unexpected-calls');2const mock = unexpectedCalls.create();3const obj = {4    method: function() {5        return 'hello';6    }7};8mock(obj, 'method').callsArgWith(0, 'world');9obj.method(function(str) {10    console.log(str);11});12mock.flushUntilIndex(0);13obj.method(function(str) {14    console.log(str);15});16mock.flushUntilIndex(1);17obj.method(function(str) {18    console.log(str);19});20mock.flushUntilIndex(2);21obj.method(function(str) {22    console.log(str);23});24mock.flushUntilIndex(3);25obj.method(function(str) {26    console.log(str);27});28mock.flushUntilIndex(4);29obj.method(function(str) {30    console.log(str);31});32mock.flushUntilIndex(5);33const unexpectedCalls = require('unexpected-calls');34const mock = unexpectedCalls.create();35const obj = {36    method: function() {37        return 'hello';38    }39};40mock(obj, 'method').callsArgWith(0, 'world');41obj.method(function(str) {42    console.log(str);43});44mock.flushUntilIndex(0);45obj.method(function(str) {46    console.log(str);47});48mock.flushUntilIndex(1);49obj.method(function(str) {50    console.log(str);51});52mock.flushUntilIndex(2);53obj.method(function(str) {54    console.log(str);55});56mock.flushUntilIndex(3);57obj.method(function(str) {58    console.log(str);59});60mock.flushUntilIndex(4);61obj.method(function(str) {62    console.log(str);63});64mock.flushUntilIndex(5);65const unexpectedCalls = require('unexpected-calls');66const mock = unexpectedCalls.create();67const obj = {68    method: function() {69        return 'hello';70    }71};72mock(obj, 'method').calls

Using AI Code Generation

1const { flushUntilIndex } = require('unexpected-snapshot');2expect.addAssertion('<any> to have snapshot [with index]', (expect, subject, index) => {3  expect(subject, 'to equal snapshot', index);4});5expect.addAssertion('<any> to have snapshot [without index]', (expect, subject) => {6  expect(subject, 'to equal snapshot');7});8describe('test', () => {

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