index.js
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var es = require('event-stream')
var through = require('through2')
var combine = require('..')
var test = require('tape')
test('re-emit error object for old streams', function (test) {
test.plan(1)
var expectedErr = new Error('asplode')
var pipe = combine(
es.through(function(data) {
return this.emit('error', expectedErr)
})
)
pipe.on('error', function (err) {
test.equal(err, expectedErr)
})
pipe.write('pow')
})
test('do not duplicate errors', function (test) {
var errors = 0;
var pipe = combine(
es.through(function(data) {
return this.emit('data', data);
}),
es.through(function(data) {
return this.emit('error', new Error(data));
})
)
pipe.on('error', function(err) {
errors++
test.ok(errors, 'expected error count')
process.nextTick(function () {
return test.end();
})
})
return pipe.write('meh');
})
test('3 pipe do not duplicate errors', function (test) {
var errors = 0;
var pipe = combine(
es.through(function(data) {
return this.emit('data', data);
}),
es.through(function(data) {
return this.emit('error', new Error(data));
}),
es.through()
)
pipe.on('error', function(err) {
errors++
test.ok(errors, 'expected error count')
process.nextTick(function () {
return test.end();
})
})
return pipe.write('meh');
})
test('0 argument through stream', function (test) {
test.plan(3)
var pipe = combine()
, expected = [ 'beep', 'boop', 'robots' ]
pipe.pipe(es.through(function(data) {
test.equal(data.toString('utf8'), expected.shift())
}))
pipe.write('beep')
pipe.write('boop')
pipe.end('robots')
})
test('object mode', function (test) {
test.plan(2)
var pipe = combine.obj()
, expected = [ [4,5,6], {x:5} ]
pipe.pipe(through.obj(function(data, enc, next) {
test.deepEqual(data, expected.shift())
next()
}))
pipe.write([4,5,6])
pipe.write({x:5})
pipe.end()
})