sdfsdfs

node_modules/stream-http/test/browser/binary-streaming.js

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+var Buffer = require('buffer').Buffer
+var fs = require('fs')
+var test = require('tape')
+var UAParser = require('ua-parser-js')
+
+var http = require('../..')
+
+var browser = (new UAParser()).setUA(navigator.userAgent).getBrowser()
+var browserName = browser.name
+var browserVersion = browser.major
+// Binary streaming doesn't work in IE10 or below
+var skipStreamingCheck = (browserName === 'IE' && browserVersion <= 10)
+
+// Binary data gets corrupted in IE8 or below
+var skipVerification = (browserName === 'IE' && browserVersion <= 8)
+
+// IE8 tends to throw up modal dialogs complaining about scripts running too long
+// Since streaming doesn't actually work there anyway, just use one copy
+var COPIES = skipVerification ? 1 : 20
+var MIN_PIECES = 2
+
+var referenceOnce = fs.readFileSync(__dirname + '/../server/static/browserify.png')
+var reference = new Buffer(referenceOnce.length * COPIES)
+for(var i = 0; i < COPIES; i++) {
+	referenceOnce.copy(reference, referenceOnce.length * i)
+}
+
+test('binary streaming', function (t) {
+	http.get({
+		path: '/browserify.png?copies=' + COPIES,
+		mode: 'allow-wrong-content-type'
+	}, function (res) {
+		var buffers = []
+		res.on('end', function () {
+			if (skipVerification)
+				t.skip('binary data not preserved on IE <= 8')
+			else
+				t.ok(reference.equals(Buffer.concat(buffers)), 'contents match')
+
+			if (skipStreamingCheck)
+				t.skip('streaming not available on IE <= 8')
+			else
+				t.ok(buffers.length >= MIN_PIECES, 'received in multiple parts')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})
+
+test('large binary request without streaming', function (t) {
+	http.get({
+		path: '/browserify.png?copies=' + COPIES,
+		mode: 'default',
+	}, function (res) {
+		var buffers = []
+		res.on('end', function () {
+			if (skipVerification)
+				t.skip('binary data not preserved on IE <= 8')
+			else
+				t.ok(reference.equals(Buffer.concat(buffers)), 'contents match')
+			t.end()
+		})
+
+		res.on('data', function (data) {
+			buffers.push(data)
+		})
+	})
+})