forked from enviPath/enviPy
66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
var test = require('tap').test
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var EE = require('events').EventEmitter
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var etoa = require('../etoa.js')
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test('basic', function (t) {
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var emitter = new EE()
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var array = etoa(emitter, ['ignore', 'alsoignore'])
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emitter.emit('foo', 1, 2, 3)
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emitter.emit('ignore', 'should not see this')
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emitter.emit('bar', { x: 1 })
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// nested events get tracked as well
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var subemit = new EE()
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emitter.emit('sub', subemit)
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subemit.emit('childEvent', { some: 'data' })
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subemit.emit('alsoignore', 'should not see this')
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subemit.emit('anotherone', { some: 'data' }, 'many', 'args')
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// CAVEAT!
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emitter.emit('blaz', 'blorrg')
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subemit.emit('order', 'not', 'preserved between child and parent')
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// check out the array whenever
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t.same(array,
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[ [ 'foo', 1, 2, 3 ],
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[ 'bar', { x: 1 } ],
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[ 'sub',
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[ [ 'childEvent', { some: 'data' } ],
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[ 'anotherone', { some: 'data' }, 'many', 'args' ],
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[ 'order', 'not', 'preserved between child and parent' ] ] ],
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[ 'blaz', 'blorrg' ] ])
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t.end()
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})
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test('ignore nothing', function (t) {
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var emitter = new EE()
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var array = etoa(emitter)
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emitter.emit('foo', 1, 2, 3)
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emitter.emit('ignore', 'should see this')
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emitter.emit('bar', { x: 1 })
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t.same(array,
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[ [ 'foo', 1, 2, 3 ],
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[ 'ignore', 'should see this' ],
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[ 'bar', { x: 1 } ] ])
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t.end()
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})
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test('the map is not the territory', function (t) {
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var emitter = new EE()
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// cast all to strings
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var array = etoa(emitter, ['ignore'], function (arg) {
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return arg + ''
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})
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emitter.emit('foo', new Buffer('hello'))
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var sub = new EE()
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emitter.emit('sub', sub)
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sub.emit('obj', { toString: function () { return 'toString fn' } })
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t.same(array,
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[ ['foo', 'hello' ],
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[ 'sub', [ [ 'obj', 'toString fn' ] ] ] ])
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t.end()
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})
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