How to use this.runTeardowns method in ava

Best JavaScript code snippet using ava

test.js

Source:test.js

...486		this.finishing = true;487		this.clearTimeout();488		this.verifyPlan();489		this.verifyAssertions();490		await this.runTeardowns();491		this.duration = nowAndTimers.now() - this.startedAt;492		let error = this.assertError;493		let passed = !error;494		if (this.metadata.failing) {495			passed = !passed;496			error = passed ? null : new Error('Test was expected to fail, but succeeded, you should stop marking the test as failing');497		}498		return {499			deferredSnapshotRecordings: this.deferredSnapshotRecordings,500			duration: this.duration,501			error,502			logs: this.logs,503			metadata: this.metadata,504			passed,...

ioexample.js

Source:ioexample.js

1import assert from 'assert';2import Promise from 'bluebird';3import SetupTeardown from './setup-teardown';4import Call from './call';5import Stub from './stub';6import {completeAll, deepEqual, VerifierFailure, InterfaceConsistencyFailure, ImproperAntiExample} from './utils';7// an ioexample represents an example invocation8// unlike an `Example`, it is specifically geared to describe the inputs and output of a hypothetical function9// an ioexample can be used to verify a pure function's behavior, e.g. in a unit test10// it can also be used in "auto stubbing" to generate a fake11// that fake function (stub), if it receives the ioexample's inputs will simply output the ioexample's output12class IOExample extends SetupTeardown {13  constructor (title, isAntiExample = false, target = null) {14    this.title = title;15    this.isAntiExample = isAntiExample;16    // internally, the `.target` will only ever be an interface instance17    // externally, the `.target` could be used to attach the example to whatever really (it's just metadata after all)18    this.target = target;19    this.outputsPromise = false;20    this.returns = undefined;21    this.setups = [];22    this.teardowns = [];23  }24  // `.boundTo` sets an ioexample's context, i.e. its hypothetical `this`25  boundTo (context) {26    this.context = context;27    return this;28  }29  // `.given` set an ioexample's inputs30  given (...inputs) {31    this.inputs = inputs;32    return this;33  }34  // `.return` sets an ioexample's *successful* output35  return (output) {36    this.returns = output;37    delete this.throws;38    return this;39  }40  // `.throw` sets an ioexample's *failing* output41  throw (output) {42    this.throws = output;43    delete this.returns;44    return this;45  }46  // `.eventually` sets an ioexample to represent an asynchronous (promise) result47  get eventually () {48    this.outputsPromise = true;49    return this;50  }51  // `.immediately` sets an ioexample to represent a synchronous result (which is the default)52  get immediately () {53    this.outputsPromise = false;54    return this;55  }56  // `.not` sets the ioexample to be an anti-example57  // an anti-example provides an example of what should *not* be58  get not () {59    this.isAntiExample = !this.isAntiExample;60    return this;61  }62  // `.does` actually does nothing, it's simply around for the sake of chaining with more-natural-language63  // e.g. `new IOExample('addition').given(2,2).does.not.return(5);`64  get does () {65    return this;66  }67  get succeeds () {68    return this.hasOwnProperty('returns');69  }70  get fails () {71    return this.hasOwnProperty('throws');72  }73  get output () {74    if (this.hasOwnProperty('returns')) return this.returns;75    if (this.hasOwnProperty('throws')) return this.throws;76    throw new Error('This ioexample has neither an expected return value nor an expected thrown error.');77  }78  // `.verifyWithoutSetupOrTeardown` does the work of verifying a candidate function against this ioexample79  verifyWithoutSetupOrTeardown (candidateFn) {80    if (typeof candidateFn !== 'function') return Promise.reject(new Error('Should have been a function'));81    const expected = this.output;82    const isAntiExample = this.isAntiExample;83    return new Call(candidateFn, this.context, this.inputs)84    .verifyOutputStyle(this.outputsPromise, this.throws)85    .then(function (call) {86      assert.deepEqual(call.ultimateOutput, expected); // TODO: format error87      return call.ultimateOutput;88    })89    .then(90      function (value) {91        if (isAntiExample) throw ImproperAntiExample(this, candidateFn);92        return value;93      },94      function (err) {95        if (isAntiExample) return;96        throw err;97      }98    )99    .catch(err => {100      throw VerifierFailure(this, candidateFn, err);101    });102  }103  // `.verify` confirms whether a candidate function fits this ioexample104  // verification passes if the candidate, invoked with the ioexample's inputs, outputs something deeply equal to the ioexample's output105  verify (candidateFn) {106    return Promise.bind(this)107    .then(this.runSetups)108    .then(() => this.verifyWithoutSetupOrTeardown(candidateFn))109    .then(this.runTeardowns);110  }111  consistentWith (interf, breadcrumbs = [interf.name]) {112    const signatures = values(interf.signatures);113    const candidateFn = this.fake();114    if (signatures.length === 0) return Promise.resolve(candidateFn);115    const isAntiExample = this.isAntiExample;116    return Promise.any(signatures, signature => signature.verify(candidateFn, ...this.inputs))117    .then(value => {118      if (isAntiExample) throw ImproperAntiExample(this, candidateFn);119      return value;120    }, err => {121      if (isAntiExample) return;122      throw err;123    })124    .catch(err => {125      throw InterfaceConsistencyFailure(this, breadcrumbs, err);126    });127  }128  fake () {129    return new Stub([this]);130  }131}...

constraint.js

Source:constraint.js

1import Promise from 'bluebird';2import SetupTeardown from './setup-teardown';3import {VerifierFailure} from './utils';4// a constraint is the most open-ended verifier (a thing with a `.verify` method)5// it simply accepts a validator function that should either error to deny verification or not error to affirm it6class Constraint extends SetupTeardown {7  constructor (title, validator, target = null) {8    super();9    this.title = title;10    this.validator = validator;11    // internally, the `.target` will only ever be an interface instance12    // externally, the `.target` could be used to attach the constraint to whatever really (it's just metadata after all)13    this.target = target;14  }15  verifyWithoutSetupOrTeardown (candidate) {16    // TODO: error if there's no validator to use17    return Promise.try(Function.prototype.bind.call(this.validator, candidate))18    .catch(err => {19      throw VerifierFailure(this, candidate, err);20    });21  }22  // `.verify` confirms whether a candidate fits this contraint23  // if the validator throws an error or results in a rejected promise, the constraint fails24  verify (candidate) {25    return Promise.bind(this)26    .then(this.runSetups)27    .then(() => this.verifyWithoutSetupOrTeardown(candidate))28    .then(this.runTeardowns);29  }30  verifiesThat (validator) {31    this.validator = validator;32    return this;33  }34}...

Using AI Code Generation

1import test from 'ava';2import { teardown } from 'ava-teardown';3test('test 1', t => {4    t.pass();5});6test('test 2', t => {7    t.pass();8});9teardown(() => {10    console.log('teardown');11    this.runTeardowns();12});13import test from 'ava';14import { teardown } from 'ava-teardown';15test('test 1', t => {16    t.pass();17});18test('test 2', t => {19    t.pass();20});21teardown(() => {22    console.log('teardown');23});

Using AI Code Generation

1test.beforeEach(t => {2    t.context.runTeardowns = runTeardowns;3});4test.afterEach.always(async t => {5    await t.context.runTeardowns();6});7const teardowns = [];8function addTeardown(fn) {9    teardowns.push(fn);10}11function runTeardowns() {12    return Promise.all(teardowns.map(fn => fn()));13}14module.exports = { addTeardown, runTeardowns };

Using AI Code Generation

1const test = require('ava');2test.beforeEach(t => {3    t.context.runTeardowns = runTeardowns;4});5test.afterEach(t => {6    return t.context.runTeardowns();7});8const test = require('ava');9test('ava test', t => {10    t.pass();11});12const test = require('ava');13test('ava test', t => {14    t.pass();15});16function runTeardowns() {17    return new Promise(resolve => {18        setTimeout(() => {19            resolve();20        }, 1000);21    });22}23const test = require('ava');24test('ava test', t => {25    t.pass();26});27function runTeardowns() {28    return new Promise(resolve => {29        setTimeout(() => {30            resolve();31        }, 1000);32    });33}34const test = require('ava');35test('ava test', t => {36    t.pass();37});38function runTeardowns() {39    return new Promise(resolve => {40        setTimeout(() => {41            resolve();42        }, 1000);43    });44}45const test = require('ava');46test('ava test', t => {47    t.pass();48});49function runTeardowns() {50    return new Promise(resolve => {51        setTimeout(() => {52            resolve();53        }, 1000);54    });55}56const test = require('ava');57test('ava test', t => {58    t.pass();59});60function runTeardowns() {61    return new Promise(resolve => {62        setTimeout(() => {63            resolve();64        }, 1000);65    });66}67const test = require('ava');68test('ava test', t => {69    t.pass();70});71function runTeardowns() {72    return new Promise(resolve => {73        setTimeout(() => {74            resolve();75        }, 1000);76    });77}78const test = require('ava');79test('ava test', t => {80    t.pass();81});82function runTeardowns() {83    return new Promise(resolve => {84        setTimeout(() => {85            resolve();86        }, 1000);87    });88}

Using AI Code Generation

1test.afterEach.always(t => {2  return new Promise(resolve => {3    this.runTeardowns(err => {4      if (err) {5        t.fail(err);6      }7      resolve();8    });9  });10});11test.beforeEach(t => {12  t.context = {};13  t.context.teardowns = [];14  t.context.addTeardown = teardown => {15    t.context.teardowns.push(teardown);16  };17  t.context.runTeardowns = cb => {18    const teardowns = t.context.teardowns.slice().reverse();19    const run = () => {20      if (teardowns.length === 0) {21        cb();22        return;23      }24      const teardown = teardowns.pop();25      teardown(run);26    };27    run();28  };29});30test.beforeEach(t => {31  t.context.addTeardown(cb => {32    cb();33  });34});35test('some test', t => {36  t.context.addTeardown(cb => {37    cb();38  });39});40test.beforeEach(t => {41  t.context.addTeardown(cb => {42    cb();43  });44});45test.beforeEach(t => {46  t.context.addTeardown(cb => {47    cb();48  });49});50test.afterEach.always(t => {51  return new Promise(resolve => {52    t.context.runTeardowns(err => {53      if (err) {54        t.fail(err);55      }56      resolve();57    });58  });59});60test.beforeEach(t => {61  t.context.addTeardown(cb => {62    cb();63  });64});65test.afterEach.always(t => {66  return new Promise(resolve => {67    t.context.runTeardowns(err => {68      if (err) {69        t.fail(err);70      }71      resolve();72    });73  });74});75test.beforeEach(t => {76  t.context.addTeardown(cb => {77    cb();78  });79});80test.afterEach.always(t => {81  return new Promise(resolve => {82    t.context.runTeardowns(err => {83      if (err) {84        t.fail(err);85      }86      resolve();87    });88  });89});

Using AI Code Generation

1test.beforeEach(t => {2    t.context.test = 'test';3});4test.afterEach(t => {5    t.context.test = 'test2';6});7test('test', t => {8    t.is(t.context.test, 'test');9});10test('test2', t => {11    t.is(t.context.test, 'test2');12});13test.beforeEach(t => {14    t.context.test = 'test3';15});16test.afterEach(t => {17    t.context.test = 'test4';18});19test('test3', t => {20    t.is(t.context.test, 'test3');21});22test('test4', t => {23    t.is(t.context.test, 'test4');24});25test.beforeEach(t => {26    t.context.test = 'test5';27});28test.afterEach(t => {29    t.context.test = 'test6';30});31test('test5', t => {32    t.is(t.context.test, 'test5');33});34test('test6', t => {35    t.is(t.context.test, 'test6');36});37test.beforeEach(t => {38    t.context.test = 'test7';39});40test.afterEach(t => {41    t.context.test = 'test8';42});43test('test7', t => {44    t.is(t.context.test, 'test7');45});46test('test8', t => {47    t.is(t.context.test, 'test8');48});

Using AI Code Generation

1const ava = require('ava');2const test = ava.default;3test.beforeEach(t => {4  t.context.data = { foo: 'bar' };5});6test('foo', t => {7  t.is(t.context.data.foo, 'bar');8});9test.afterEach.always(t => {10});11test('bar', t => {12  t.pass();13});14test.afterEach.always(t => {15});16test('baz', t => {17  t.pass();18});

Using AI Code Generation

1import test from 'ava';2import { runTeardowns } from 'ava/lib/runner';3test('test', t => {4  t.pass();5});6runTeardowns();7#### runTeardowns()8- [ava-teardowns](

Using AI Code Generation

1(async () => {2    const test = require('ava');3    test.beforeEach(t => {4        t.context.data = 'foo';5    });6    test.afterEach(async t => {7        await t.context.data;8    });9    test.after.always(async t => {10        await t.context.data;11    });12    test('test', t => {13        t.is(t.context.data, 'foo');14    });15    await test.runTeardowns();16})();17test.todo('will think about writing this later');18test.failing('will fix this later', t => {19	t.fail();20});21test.cb(t => {22	setTimeout(() => {23		t.pass();24		t.end();25	}, 100);26});27#### `.pass([message])`28#### `.fail([message])`29#### `.truthy(value, [message])`30#### `.falsy(value, [message])`31#### `.true(value, [message])`

Using AI Code Generation

1const test = require('ava');2const avaTeardown = require('ava-teardown');3const myTeardown = avaTeardown(test);4const myTest = myTeardown.teardown(() => {5});6myTest('test', t => {7});8myTeardown.runTeardowns();9const test = require('ava');10const avaTeardown = require('ava-teardown');11const myTeardown = avaTeardown(test);12const myTest = myTeardown.teardown(() => {13});14myTest('test', t => {15});16myTeardown.runTeardowns();17const test = require('ava');18const avaTeardown = require('ava-teardown');19const myTeardown = avaTeardown(test);20const myTest = myTeardown.teardown(() => {21});22myTest('test', t => {23});24myTeardown.runTeardowns();25const test = require('ava');26const avaTeardown = require('ava-teardown');27const myTeardown = avaTeardown(test);28const myTest = myTeardown.teardown(() => {29});30myTest('test', t => {31});32myTeardown.runTeardowns();33const test = require('ava');

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