08-27-周三_17-09-29

node_modules/faye-websocket/spec/faye/websocket/hybi_parser_spec.js

@@ -0,0 +1,148 @@
+var HybiParser = require('../../../lib/faye/websocket/hybi_parser')
+
+JS.ENV.HybiParserSpec = JS.Test.describe("HybiParser", function() { with(this) {
+  before(function() { with(this) {
+    this.webSocket = {dispatchEvent: function() {}}
+    this.parser = new HybiParser(webSocket)
+  }})
+
+  define("parse", function() {
+    var bytes = [];
+    for (var i = 0, n = arguments.length; i < n; i++) bytes = bytes.concat(arguments[i])
+    this.parser.parse(new Buffer(bytes))
+  })
+
+  define("buffer", function(string) {
+    return {
+      equals: function(buffer) {
+        return buffer.toString('utf8', 0, buffer.length) === string
+      }
+    }
+  })
+
+  describe("parse", function() { with(this) {
+    define("mask", function() {
+      return this._mask = this._mask || [1,2,3,4].map(function() { return Math.floor(Math.random() * 255) })
+    })
+
+    define("maskMessage", function(bytes) {
+      var output = []
+      Array.prototype.forEach.call(bytes, function(b, i) {
+        output[i] = bytes[i] ^ this.mask()[i % 4]
+      }, this)
+      return output
+    })
+
+    it("parses unmasked text frames", function() { with(this) {
+      expect(webSocket, "receive").given("Hello")
+      parse([0x81, 0x05, 0x48, 0x65, 0x6c, 0x6c, 0x6f])
+    }})
+
+    it("parses multiple frames from the same packet", function() { with(this) {
+      expect(webSocket, "receive").given("Hello").exactly(2)
+      parse([0x81, 0x05, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x81, 0x05, 0x48, 0x65, 0x6c, 0x6c, 0x6f])
+    }})
+
+    it("parses empty text frames", function() { with(this) {
+      expect(webSocket, "receive").given("")
+      parse([0x81, 0x00])
+    }})
+
+    it("parses fragmented text frames", function() { with(this) {
+      expect(webSocket, "receive").given("Hello")
+      parse([0x01, 0x03, 0x48, 0x65, 0x6c])
+      parse([0x80, 0x02, 0x6c, 0x6f])
+    }})
+
+    it("parses masked text frames", function() { with(this) {
+      expect(webSocket, "receive").given("Hello")
+      parse([0x81, 0x85], mask(), maskMessage([0x48, 0x65, 0x6c, 0x6c, 0x6f]))
+    }})
+
+    it("parses masked empty text frames", function() { with(this) {
+      expect(webSocket, "receive").given("")
+      parse([0x81, 0x80], mask(), maskMessage([]))
+    }})
+
+    it("parses masked fragmented text frames", function() { with(this) {
+      expect(webSocket, "receive").given("Hello")
+      parse([0x01, 0x81], mask(), maskMessage([0x48]))
+      parse([0x80, 0x84], mask(), maskMessage([0x65, 0x6c, 0x6c, 0x6f]))
+    }})
+
+    it("closes the socket if the frame has an unrecognized opcode", function() { with(this) {
+      expect(webSocket, "close").given(1002, null, false)
+      parse([0x83, 0x00])
+    }})
+
+    it("closes the socket if a close frame is received", function() { with(this) {
+      expect(webSocket, "close").given(1000, "Hello", false)
+      parse([0x88, 0x07, 0x03, 0xe8, 0x48, 0x65, 0x6c, 0x6c, 0x6f])
+    }})
+
+    it("parses unmasked multibyte text frames", function() { with(this) {
+      expect(webSocket, "receive").given("Apple = ")
+      parse([0x81, 0x0b, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x3d, 0x20, 0xef, 0xa3, 0xbf])
+    }})
+
+    it("parses frames received in several packets", function() { with(this) {
+      expect(webSocket, "receive").given("Apple = ")
+      parse([0x81, 0x0b, 0x41, 0x70, 0x70, 0x6c])
+      parse([0x65, 0x20, 0x3d, 0x20, 0xef, 0xa3, 0xbf])
+    }})
+
+    it("parses fragmented multibyte text frames", function() { with(this) {
+      expect(webSocket, "receive").given("Apple = ")
+      parse([0x01, 0x0a, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x3d, 0x20, 0xef, 0xa3])
+      parse([0x80, 0x01, 0xbf])
+    }})
+
+    it("parses masked multibyte text frames", function() { with(this) {
+      expect(webSocket, "receive").given("Apple = ")
+      parse([0x81, 0x8b], mask(), maskMessage([0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x3d, 0x20, 0xef, 0xa3, 0xbf]))
+    }})
+
+    it("parses masked fragmented multibyte text frames", function() { with(this) {
+      expect(webSocket, "receive").given("Apple = ")
+      parse([0x01, 0x8a], mask(), maskMessage([0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x3d, 0x20, 0xef, 0xa3]))
+      parse([0x80, 0x81], mask(), maskMessage([0xbf]))
+    }})
+
+    it("parses unmasked medium-length text frames", function() { with(this) {
+      expect(webSocket, "receive").given("HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello")
+      parse([129, 126, 0, 200, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111])
+    }})
+
+    it("parses masked medium-length text frames", function() { with(this) {
+      expect(webSocket, "receive").given("HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello")
+      parse([129, 254, 0, 200], mask(), maskMessage([72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111]))
+    }})
+
+    it("replies to pings with a pong", function() { with(this) {
+      expect(webSocket, "send").given(buffer("OHAI"), "pong")
+      parse([0x89, 0x04, 0x4f, 0x48, 0x41, 0x49])
+    }})
+  }})
+
+  describe("frame", function() { with(this) {
+    it("returns the given string formatted as a WebSocket frame", function() { with(this) {
+      assertBufferEqual( [0x81, 0x05, 0x48, 0x65, 0x6c, 0x6c, 0x6f], parser.frame("Hello") )
+    }})
+
+    it("encodes multibyte characters correctly", function() { with(this) {
+      assertBufferEqual( [0x81, 0x0b, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x3d, 0x20, 0xef, 0xa3, 0xbf], parser.frame("Apple = ") )
+    }})
+
+    it("encodes medium-length strings using extra length bytes", function() { with(this) {
+      assertBufferEqual( [129, 126, 0, 200, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111, 72, 101, 108, 108, 111], parser.frame("HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello") )
+    }})
+
+    it("encodes close frames with an error code", function() { with(this) {
+      assertBufferEqual( [0x88, 0x07, 0x03, 0xea, 0x48, 0x65, 0x6c, 0x6c, 0x6f], parser.frame("Hello", "close", 1002) )
+    }})
+
+    it("encodes pong frames", function() { with(this) {
+      assertBufferEqual( [0x8a, 0x00], parser.frame("", "pong") )
+    }})
+  }})
+}})