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var async = require('../lib');
var expect = require('chai').expect;
var assert = require('assert');
describe('during', () => {
it('during', (done) => {
var call_order = [];
var count = 0;
async.during(
(cb) => {
call_order.push(['test', count]);
cb(null, count < 5);
},
(cb) => {
call_order.push(['iteratee', count]);
count++;
cb(null, count);
},
(err) => {
assert(err === null, err + " passed instead of 'null'");
expect(call_order).to.eql([
['test', 0],
['iteratee', 0], ['test', 1],
['iteratee', 1], ['test', 2],
['iteratee', 2], ['test', 3],
['iteratee', 3], ['test', 4],
['iteratee', 4], ['test', 5],
]);
expect(count).to.equal(5);
done();
}
);
});
it('during canceling', (done) => {
let counter = 0;
async.during(
cb => cb(null, true),
cb => {
counter++
cb(counter === 2 ? false : null);
},
() => { throw new Error('should not get here')}
);
setTimeout(() => {
expect(counter).to.equal(2);
done();
}, 10)
})
it('doDuring', (done) => {
var call_order = [];
var count = 0;
async.doDuring(
(cb) => {
call_order.push(['iteratee', count]);
count++;
cb(null, count);
},
(c, cb) => {
expect(c).to.equal(count);
call_order.push(['test', count]);
cb(null, count < 5);
},
(err) => {
assert(err === null, err + " passed instead of 'null'");
expect(call_order).to.eql([
['iteratee', 0], ['test', 1],
['iteratee', 1], ['test', 2],
['iteratee', 2], ['test', 3],
['iteratee', 3], ['test', 4],
['iteratee', 4], ['test', 5],
]);
expect(count).to.equal(5);
done();
}
);
});
it('doDuring - error test', (done) => {
var error = new Error('asdas');
async.doDuring(
(cb) => {
cb(error);
},
() => {},
(err) => {
expect(err).to.equal(error);
done();
}
);
});
it('doDuring - error iteratee', (done) => {
var error = new Error('asdas');
async.doDuring(
(cb) => {
cb(null);
},
(cb) => {
cb(error);
},
(err) => {
expect(err).to.equal(error);
done();
}
);
});
it('doDuring canceling', (done) => {
let counter = 0;
async.doDuring(
cb => {
counter++
cb(counter === 2 ? false : null);
},
cb => cb(null, true),
() => { throw new Error('should not get here')}
);
setTimeout(() => {
expect(counter).to.equal(2);
done();
}, 10)
})
it('doDuring canceling in test', (done) => {
let counter = 0;
async.doDuring(
cb => {
counter++
cb(null, counter);
},
(n, cb) => cb(n === 2 ? false : null, true),
() => { throw new Error('should not get here')}
);
setTimeout(() => {
expect(counter).to.equal(2);
done();
}, 10)
})
});
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