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'use strict';
var expect = require('expect');
var bach = require('../');
function fn1(done) {
done(null, 1);
}
function fn2(done) {
setTimeout(function() {
done(null, 2);
}, 500);
}
function fn3(done) {
done(null, 3);
}
function fnError(done) {
done(new Error('An Error Occurred'));
}
describe('settleParallel', function() {
it('should execute functions in parallel, passing settled results', function(done) {
bach.settleParallel(fn1, fn2, fn3)(function(errors, results) {
expect(errors).toEqual(null);
expect(results).toEqual([1, 2, 3]);
done();
});
});
it('should execute functions in parallel, passing settled errors and results', function(done) {
function slowFn(done) {
setTimeout(function() {
done(null, 2);
}, 500);
}
bach.settleParallel(fn1, slowFn, fn3, fnError)(function(errors, results) {
expect(errors).toBeAn(Array);
expect(errors[0]).toBeAn(Error);
expect(results).toEqual([1, 2, 3]);
done();
});
});
it('should take extension points and call them for each function', function(done) {
var arr = [];
var fns = [fn1, fn2, fn3];
bach.settleParallel(fn1, fn2, fn3, {
create: function(fn, idx) {
expect(fns).toInclude(fn);
arr[idx] = fn;
return arr;
},
before: function(storage) {
expect(storage).toEqual(arr);
},
after: function(result, storage) {
expect(storage).toEqual(arr);
},
})(function(error) {
expect(error).toEqual(null);
expect(arr).toEqual(fns);
});
done();
});
});
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