40 lines
846 B
JavaScript
40 lines
846 B
JavaScript
var test = require('tape')
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var mapl = require('./')
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test('basic', function(t) {
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var items = [1, 2, 3, 4, 5]
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var goals = [2, 4, 6, 8,10]
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t.plan(2)
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mapl(items, 5, function(item, next) {
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next(null, item * 2)
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}, function(err, results) {
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t.ifError(err)
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t.deepEqual(results, goals)
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})
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})
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test('stalled', function(t) {
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var items = [1, 2, 3, 4, 5, 6, 7, 8]
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var goals = [2, 4, 6, 8,10,12,14,16]
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var n = 0
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t.plan(6)
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mapl(items, 2, function(item, next) {
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setTimeout(function() {
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n += 1
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next(null, item * 2)
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}, 150)
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}, function(err, results) {
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t.ifError(err)
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t.deepEqual(results, goals)
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})
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setTimeout(function() { t.equal(n, 2) }, 225)
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setTimeout(function() { t.equal(n, 4) }, 350)
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setTimeout(function() { t.equal(n, 6) }, 475)
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setTimeout(function() { t.equal(n, 8) }, 625)
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})
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