connect: サンプルの実装

.eslintrc

@@ -15,7 +15,8 @@
     "semi": [
       2,
       "always"
-    ]
+    ],
+    "no-console": 0
   },
   "env": {
     "es6": true,

.md.eslintrc

@@ -1,8 +1,7 @@
 {
   "rules": {
     "no-undef": 0,
-    "no-unused-vars": 0,
-    "no-console": 0
+    "no-unused-vars": 0
   },
   "plugins": [
     "markdown"

package.json

@@ -36,6 +36,7 @@
   ],
   "devDependencies": {
     "babel": "^5.8.23",
+    "connect": "^3.4.0",
     "coveralls": "^2.11.4",
     "eslint": "^1.3.0",
     "eslint-plugin-markdown": "git://github.com/eslint/eslint-plugin-markdown.git",
@@ -46,6 +47,7 @@
     "gitbook-summary-to-path": "^1.0.1",
     "jsdom": "^6.3.0",
     "mocha": "^2.2.5",
+    "node-fetch": "^1.3.2",
     "npm-run-all": "^1.2.8",
     "power-assert": "^1.0.0",
     "punctuate-coverage": "^1.0.3",

src/connect/connect-example.js

@@ -0,0 +1,22 @@
+"use strict";
+import hello from "./hello";
+import nosniff from "./nosniff";
+import assert from "assert";
+import connect from "connect";
+import http from "http";
+import fetch from "node-fetch";
+const responseText = "response text";
+var app = connect();
+app.use(nosniff());
+app.use(hello(responseText));
+
+var server = http.createServer(app).listen(3000, () => {
+    fetch("http://localhost:3000")
+        .then(res => res.text())
+        .then(text => {
+            assert.equal(text, responseText);
+            server.close();
+        }).catch(console.error.bind(console));
+});
+
+

src/connect/hello.js

@@ -0,0 +1,7 @@
+// LICENSE : MIT
+"use strict";
+export default function (text) {
+    return function (req, res) {
+        res.end(text);
+    };
+}

src/connect/nosniff.js

@@ -0,0 +1,17 @@
+"use strict";
+function setHeaders(res, headers) {
+    Object.keys(headers).forEach(key => {
+        let value = headers[key];
+        if (value !== null) {
+            res.setHeader(key, value);
+        }
+    });
+}
+export default function () {
+    return function (req, res, next) {
+        setHeaders(res, {
+            "X-Content-Type-Options": "nosniff"
+        });
+        next();
+    };
+}

test/connect/hello-test.js

@@ -0,0 +1,38 @@
+// LICENSE : MIT
+"use strict";
+import assert from "power-assert";
+import connect from "connect";
+import nosniff from "../../src/connect/nosniff";
+import hello from "../../src/connect/hello";
+import http from "http";
+import fetch from "node-fetch";
+describe("connect", function () {
+    var responseText = "test";
+    var server;
+    before(function (done) {
+        var app = connect();
+        app.use(nosniff());
+        app.use(hello(responseText));
+        server = http.createServer(app).listen(3000, done);
+    });
+    after(function () {
+        server.close();
+    });
+    describe("hello", function () {
+        it("should return response text", function () {
+            return fetch("http://localhost:3000")
+                .then(res => res.text())
+                .then(text => {
+                    assert.equal(text, responseText);
+                });
+        });
+    });
+    describe("sniff", function () {
+        it("should return response has `X-Content-Type-Options` header", function () {
+            return fetch("http://localhost:3000")
+                .then(res => {
+                    assert.equal(res.headers.get("x-content-type-options"), "nosniff");
+                });
+        });
+    });
+});