49 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
var tape = require('tape')
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var through = require('through2')
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var stream = require('stream')
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var shift = require('./')
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tape('shifts next', function (t) {
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  var passthrough = through()
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  passthrough.write('hello')
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  passthrough.write('world')
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  t.same(shift(passthrough), Buffer.from('hello'))
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  t.same(shift(passthrough), Buffer.from('world'))
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  t.end()
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})
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tape('shifts next with core', function (t) {
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  var passthrough = stream.PassThrough()
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  passthrough.write('hello')
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  passthrough.write('world')
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  t.same(shift(passthrough), Buffer.from('hello'))
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  t.same(shift(passthrough), Buffer.from('world'))
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  t.end()
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})
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tape('shifts next with object mode', function (t) {
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  var passthrough = through({objectMode: true})
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  passthrough.write({hello: 1})
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  passthrough.write({world: 1})
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  t.same(shift(passthrough), {hello: 1})
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  t.same(shift(passthrough), {world: 1})
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  t.end()
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})
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tape('shifts next with object mode with core', function (t) {
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  var passthrough = stream.PassThrough({objectMode: true})
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  passthrough.write({hello: 1})
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  passthrough.write({world: 1})
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  t.same(shift(passthrough), {hello: 1})
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  t.same(shift(passthrough), {world: 1})
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  t.end()
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})
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