first

node_modules/needle/test/errors_spec.js

@@ -0,0 +1,272 @@
+var needle  = require('../'),
+    sinon   = require('sinon'),
+    should  = require('should'),
+    http    = require('http'),
+    Emitter = require('events').EventEmitter,
+    helpers = require('./helpers');
+
+var get_catch = function(url, opts) {
+  var err;
+  try {
+    needle.get(url, opts);
+  } catch(e) {
+    err = e;
+  }
+  return err;
+}
+
+describe('errors', function() {
+
+  after(function(done) {
+    setTimeout(done, 100)
+  })
+
+  describe('when host does not exist', function() {
+
+    var url = 'http://unexistinghost/foo';
+
+    describe('with callback', function() {
+
+      it('does not throw', function() {
+        var ex = get_catch(url);
+        should.not.exist(ex);
+      })
+
+      it('callbacks an error', function(done) {
+        needle.get(url, function(err) {
+          err.should.be.a.Error;
+          done();
+        })
+      })
+
+      it('error should be ENOTFOUND or EADDRINFO or EAI_AGAIN', function(done) {
+        needle.get(url, function(err) {
+          err.code.should.match(/ENOTFOUND|EADDRINFO|EAI_AGAIN/)
+          done();
+        })
+      })
+
+      it('does not callback a response', function(done) {
+        needle.get(url, function(err, resp) {
+          should.not.exist(resp);
+          done();
+        })
+      })
+
+      it('does not emit an error event', function(done) {
+        var emitted = false;
+        var req = needle.get(url, function(err, resp) { })
+
+        req.on('error', function() {
+          emitted = true;
+        })
+
+        setTimeout(function() {
+          emitted.should.eql(false);
+          done();
+        }, 100);
+      })
+
+    })
+
+    describe('without callback', function() {
+
+      it('does not throw', function() {
+        var ex = get_catch(url);
+        should.not.exist(ex);
+      })
+
+      it('emits end event once, with error', function(done) {
+        var callcount = 0,
+            stream = needle.get(url);
+
+        stream.on('done', function(err) {
+          err.code.should.match(/ENOTFOUND|EADDRINFO|EAI_AGAIN/)
+          callcount++;
+        })
+
+        setTimeout(function() {
+          callcount.should.equal(1);
+          done();
+        }, 200)
+      })
+
+      it('does not emit a readable event', function(done) {
+        var called = false,
+            stream = needle.get(url);
+
+        stream.on('readable', function() {
+          called = true;
+        })
+
+        stream.on('done', function(err) {
+          called.should.be.false;
+          done();
+        })
+      })
+
+      it('does not emit an error event', function(done) {
+        var emitted = false,
+            stream = needle.get(url);
+
+        stream.on('error', function() {
+          emitted = true;
+        })
+
+        stream.on('done', function(err) {
+          emitted.should.eql(false);
+          done();
+        })
+      })
+
+    })
+
+  })
+
+  describe('when request times out waiting for response', function() {
+
+    var server,
+        url = 'http://localhost:3333/foo';
+
+    var send_request = function(cb) {
+      return needle.get(url, { response_timeout: 200 }, cb);
+    }
+
+    before(function() {
+      server = helpers.server({ port: 3333, wait: 1000 });
+    })
+
+    after(function() {
+      server.close();
+    })
+
+    describe('with callback', function() {
+
+      it('aborts the request', function(done) {
+
+        var time = new Date();
+
+        send_request(function(err) {
+          var timediff = (new Date() - time);
+          timediff.should.be.within(200, 300);
+          done();
+        })
+
+      })
+
+      it('callbacks an error', function(done) {
+        send_request(function(err) {
+          err.should.be.a.Error;
+          done();
+        })
+      })
+
+      it('error should be ECONNRESET', function(done) {
+        send_request(function(err) {
+          err.code.should.equal('ECONNRESET')
+          done();
+        })
+      })
+
+      it('does not callback a response', function(done) {
+        send_request(function(err, resp) {
+          should.not.exist(resp);
+          done();
+        })
+      })
+
+      it('does not emit an error event', function(done) {
+        var emitted = false;
+
+        var req = send_request(function(err, resp) {
+          should.not.exist(resp);
+        })
+
+        req.on('error', function() {
+          emitted = true;
+        })
+
+        setTimeout(function() {
+          emitted.should.eql(false);
+          done();
+        }, 350);
+      })
+
+    })
+
+    describe('without callback', function() {
+
+      it('emits done event once, with error', function(done) {
+        var error,
+            called = 0,
+            stream = send_request();
+
+        stream.on('done', function(err) {
+          err.code.should.equal('ECONNRESET');
+          called++;
+        })
+
+        setTimeout(function() {
+          called.should.equal(1);
+          done();
+        }, 250)
+      })
+
+      it('aborts the request', function(done) {
+
+        var time = new Date();
+        var stream = send_request();
+
+        stream.on('done', function(err) {
+          var timediff = (new Date() - time);
+          timediff.should.be.within(200, 300);
+          done();
+        })
+
+      })
+
+      it('error should be ECONNRESET', function(done) {
+        var error,
+            stream = send_request();
+
+        stream.on('done', function(err) {
+          err.code.should.equal('ECONNRESET')
+          done();
+        })
+      })
+
+      it('does not emit a readable event', function(done) {
+        var called = false,
+            stream = send_request();
+
+        stream.on('readable', function() {
+          called = true;
+        })
+
+        stream.on('done', function(err) {
+          called.should.be.false;
+          done();
+        })
+      })
+
+      it('does not emit an error event', function(done) {
+        var emitted = false;
+        var stream = send_request();
+
+        stream.on('error', function() {
+          emitted = true;
+        })
+
+        stream.on('done', function(err) {
+          err.should.be.a.Error;
+          err.code.should.equal('ECONNRESET')
+          emitted.should.eql(false);
+          done();
+        })
+      })
+
+    })
+
+  })
+
+})