How to use

every

function

in

lodash

/**
  * Validates that the keys required for basic message creation are set on
  * the target object and that each key's value is of the correct type.
  * @function validateCreateManifest
  * @returns {Boolean} - returns a boolean indicating whether or not the
  *  instances required keys are correctly set for creation payload export
  */
 validateCreateManifest () {
  return every(pick(this, REQUIRED_MSG_CREATE_EXPORT_KEYS), isString);
 }

const allBlanks = o => {
  if(isString(o) === false) {
    return false;
  }
  return emptyString(o) ? false : every(blankString, o.split(''))
}

it('should implement a generator', () => {
    s.def('::ingredient2', s.cat(':quantity', isInteger, ':unit', isString));

    expect(s.exercise('::ingredient2', 7)).to.have.length(7)
      .to.satisfy(sample => every(sample, ([[v1, v2]]) => isInteger(v1) || isString(v2)));
  });

function isEqualProps(currentProps, nextProps) {
 var haveSameKeys = isEqual(
  keys(currentProps).sort(),
  keys(nextProps).sort()
 );

 if (!haveSameKeys) { return false; }

 return every(keys(currentProps), (k) => isEqualValue(currentProps[k], nextProps[k]));
}

function check(sym, opts = {}) {
  const {args: argsSpec, ret: returnSpec = alwaysTrue, fn: funcSpec = alwaysTrue} = fdef.specs(sym);

  const samples = exerciseFn(sym);

  const validReturnValue = ([, returnValue]) => isValid(returnSpec, returnValue);
  const validateFunction = ([args, returnValue]) => funcSpec({ret: returnValue, args: conform(argsSpec, args)});

  const pass = every(samples, sample => validReturnValue(sample) && validateFunction(sample));

  return {
    spec: {},
    sym: sym.name,
    result: pass,
    type: ':pass'
  };
}

describe('Test the exercise function', () => {
  it('should generate 10 integers', () => {
    expect(s.exercise(isInteger)).to.have.length(10);
  });

  it('should generate 10 booleans', () => {
    expect(s.exercise(isBoolean)).to.have.length(10).to.satisfy(sample => every(sample, ([b]) => isBoolean(b)));
  });

  it('should generate 5 random values from a set', () => {
    s.def('::color', ['Red', 'Blue', 'Dun']);
    expect(s.exercise('::color', 5)).to.have.length(5);
  });

  it('should generate 7 random values from a named spec', () => {
    s.def('::pairs', s.cat(':n', isInteger, ':s', isString));
    expect(s.exercise('::pairs', 7)).to.have.length(7).to.satisfy(sample => every(sample, ([[n, s]]) =>
                                           isInteger(n) && isString(s)));
  });

  it('should generate 10 random values from a spec object', () => {
    expect(s.exercise(s.nilable(isString))).to.have.length(10).to.satisfy(sample => every(sample, ([s]) => isNull(s) || isString(s)));
  });

  it('should throw an exception', () => {
    s.def('::impossible', s.and(isInteger, isString));
    expect(() => s.exercise('::impossible')).to.throw(Error, /sampleFromSpec failed.*/);
  });
});

t.deepEqual(set.getCreateResponse().responses.length, 2, 
 'There should be two create response objects in the responses array');
t.true(every(set.getCreateResponse().responses, {status: 'success'}),
 'Every status property in responses array should be set to "success"');
t.deepEqual(set.getCreateResponse().status, 200,

const collectionHasFields = fieldKeys =>
 every(option => every(field => has(field)(option))(fieldKeys))

this.isAppMindInitiated = every([
 this.appServerMindInitializersInvoked,
 this.appRoutingMindInitiated,

    .to.satisfy(sample => every(sample, ([v]) => isInteger(v) && isEven(v)));
});

/**
 *
 * @param {Function[]|*} mwList
 * @returns {boolean}
 */
const isValidMiddlewareList = mwList => {
 return every([
  isArray(mwList),
  every(mwList, isFunction),
 ], Boolean);
}

  .to.satisfy(sample => every(sample, ([v]) => isInteger(v) || isString(v)));
});
});

/**
  * Validates that the keys required for message update are set on the target
  * object and that each key's value is of the correct type.
  * @function validateUpdateManifest
  * @returns {Boolean} - returns a boolean indicating whether or not the
  *  instances required keys are correctly set for the update payload export
  */
 validateUpdateManifest () {
  return every(pick(this, REQUIRED_MSG_UPDATE_EXPORT_KEYS), isString);
 }

/**
 *
 * @param {Function[]|*} mwList
 * @returns {boolean}
 */
const isValidMiddlewareList = mwList => {
 return every([
  isArray(mwList),
  every(mwList, isFunction),
 ], Boolean);
}

this.isAppMindInitiated = every([
 this.appServerMindInitializersInvoked,
 this.appRoutingMindInitiated,