diff options
author | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
---|---|---|
committer | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
commit | abd94a7f5a50f43c797a11b53549ae48fff667c3 (patch) | |
tree | ab8ed457f65cdd72e13e0571d2975729428f1551 /node_modules/duplexify/test.js | |
parent | a0247c6a3fd6a09a41a7e35a3441324c4dcb58be (diff) | |
download | wallet-core-abd94a7f5a50f43c797a11b53549ae48fff667c3.tar.xz |
add node_modules to address #4364
Diffstat (limited to 'node_modules/duplexify/test.js')
-rw-r--r-- | node_modules/duplexify/test.js | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/node_modules/duplexify/test.js b/node_modules/duplexify/test.js new file mode 100644 index 000000000..f4856d39e --- /dev/null +++ b/node_modules/duplexify/test.js @@ -0,0 +1,292 @@ +var tape = require('tape') +var through = require('through2') +var concat = require('concat-stream') +var net = require('net') +var duplexify = require('./') + +tape('passthrough', function(t) { + t.plan(2) + + var pt = through() + var dup = duplexify(pt, pt) + + dup.end('hello world') + dup.on('finish', function() { + t.ok(true, 'should finish') + }) + dup.pipe(concat(function(data) { + t.same(data.toString(), 'hello world', 'same in as out') + })) +}) + +tape('passthrough + double end', function(t) { + t.plan(2) + + var pt = through() + var dup = duplexify(pt, pt) + + dup.end('hello world') + dup.end() + + dup.on('finish', function() { + t.ok(true, 'should finish') + }) + dup.pipe(concat(function(data) { + t.same(data.toString(), 'hello world', 'same in as out') + })) +}) + +tape('async passthrough + end', function(t) { + t.plan(2) + + var pt = through.obj({highWaterMark:1}, function(data, enc, cb) { + setTimeout(function() { + cb(null, data) + }, 100) + }) + + var dup = duplexify(pt, pt) + + dup.write('hello ') + dup.write('world') + dup.end() + + dup.on('finish', function() { + t.ok(true, 'should finish') + }) + dup.pipe(concat(function(data) { + t.same(data.toString(), 'hello world', 'same in as out') + })) +}) + +tape('duplex', function(t) { + var readExpected = ['read-a', 'read-b', 'read-c'] + var writeExpected = ['write-a', 'write-b', 'write-c'] + + t.plan(readExpected.length+writeExpected.length+2) + + var readable = through.obj() + var writable = through.obj(function(data, enc, cb) { + t.same(data, writeExpected.shift(), 'onwrite should match') + cb() + }) + + var dup = duplexify.obj(writable, readable) + + readExpected.slice().forEach(function(data) { + readable.write(data) + }) + readable.end() + + writeExpected.slice().forEach(function(data) { + dup.write(data) + }) + dup.end() + + dup.on('data', function(data) { + t.same(data, readExpected.shift(), 'ondata should match') + }) + dup.on('end', function() { + t.ok(true, 'should end') + }) + dup.on('finish', function() { + t.ok(true, 'should finish') + }) +}) + +tape('async', function(t) { + var dup = duplexify() + var pt = through() + + dup.pipe(concat(function(data) { + t.same(data.toString(), 'i was async', 'same in as out') + t.end() + })) + + dup.write('i') + dup.write(' was ') + dup.end('async') + + setTimeout(function() { + dup.setWritable(pt) + setTimeout(function() { + dup.setReadable(pt) + }, 50) + }, 50) +}) + +tape('destroy', function(t) { + t.plan(2) + + var write = through() + var read = through() + var dup = duplexify(write, read) + + write.destroy = function() { + t.ok(true, 'write destroyed') + } + + dup.on('close', function() { + t.ok(true, 'close emitted') + }) + + dup.destroy() + dup.destroy() // should only work once +}) + +tape('destroy both', function(t) { + t.plan(3) + + var write = through() + var read = through() + var dup = duplexify(write, read) + + write.destroy = function() { + t.ok(true, 'write destroyed') + } + + read.destroy = function() { + t.ok(true, 'read destroyed') + } + + dup.on('close', function() { + t.ok(true, 'close emitted') + }) + + dup.destroy() + dup.destroy() // should only work once +}) + +tape('bubble read errors', function(t) { + t.plan(2) + + var write = through() + var read = through() + var dup = duplexify(write, read) + + dup.on('error', function(err) { + t.same(err.message, 'read-error', 'received read error') + }) + dup.on('close', function() { + t.ok(true, 'close emitted') + }) + + read.emit('error', new Error('read-error')) + write.emit('error', new Error('write-error')) // only emit first error +}) + +tape('bubble write errors', function(t) { + t.plan(2) + + var write = through() + var read = through() + var dup = duplexify(write, read) + + dup.on('error', function(err) { + t.same(err.message, 'write-error', 'received write error') + }) + dup.on('close', function() { + t.ok(true, 'close emitted') + }) + + write.emit('error', new Error('write-error')) + read.emit('error', new Error('read-error')) // only emit first error +}) + +tape('reset writable / readable', function(t) { + t.plan(3) + + var toUpperCase = function(data, enc, cb) { + cb(null, data.toString().toUpperCase()) + } + + var passthrough = through() + var upper = through(toUpperCase) + var dup = duplexify(passthrough, passthrough) + + dup.once('data', function(data) { + t.same(data.toString(), 'hello') + dup.setWritable(upper) + dup.setReadable(upper) + dup.once('data', function(data) { + t.same(data.toString(), 'HELLO') + dup.once('data', function(data) { + t.same(data.toString(), 'HI') + t.end() + }) + }) + dup.write('hello') + dup.write('hi') + }) + dup.write('hello') +}) + +tape('cork', function(t) { + var passthrough = through() + var dup = duplexify(passthrough, passthrough) + var ok = false + + dup.on('prefinish', function() { + dup.cork() + setTimeout(function() { + ok = true + dup.uncork() + }, 100) + }) + dup.on('finish', function() { + t.ok(ok) + t.end() + }) + dup.end() +}) + +tape('prefinish not twice', function(t) { + var passthrough = through() + var dup = duplexify(passthrough, passthrough) + var prefinished = false + + dup.on('prefinish', function() { + t.ok(!prefinished, 'only prefinish once') + prefinished = true + }) + + dup.on('finish', function() { + t.end() + }) + + dup.end() +}) + +tape('close', function(t) { + var passthrough = through() + var dup = duplexify(passthrough, passthrough) + var ok = false + + passthrough.emit('close') + dup.on('close', function() { + t.ok(true, 'should forward close') + t.end() + }) +}) + +tape('works with node native streams (net)', function(t) { + t.plan(1) + + var server = net.createServer(function(socket) { + var dup = duplexify(socket, socket) + + dup.once('data', function(chunk) { + t.same(chunk, Buffer('hello world')) + server.close() + socket.end() + t.end() + }) + }) + + server.listen(0, function () { + var socket = net.connect(server.address().port) + var dup = duplexify(socket, socket) + + dup.write(Buffer('hello world')) + }) +}) |