From d64a1c54d6098596af1ed68272c78975ec56d0b7 Mon Sep 17 00:00:00 2001
From: James Lal <james@lightsofapollo.com>
Date: Mon, 7 Jan 2013 08:26:13 +0100
Subject: support for chunked responses

---
 caldav.js                            | 25 ++++++++++++++++++++
 lib/caldav/xhr.js                    | 25 ++++++++++++++++++++
 test/caldav/sax/dav_response_test.js |  6 +++--
 test/caldav/xhr_test.js              | 45 +++++++++++++++++++++++++++++++++++-
 4 files changed, 98 insertions(+), 3 deletions(-)

diff --git a/caldav.js b/caldav.js
index a37263e..75b9cdd 100644
--- a/caldav.js
+++ b/caldav.js
@@ -2096,10 +2096,35 @@ function write (chunk) {
         }
       }
 
+
+      var hasProgressEvents = false;
+
+      // check for progress event support.
+      if ('onprogress' in xhr) {
+        hasProgressEvents = true;
+        var last = 0;
+        xhr.onprogress = function onProgress(event) {
+          var chunk = xhr.responseText.substr(last, event.loaded);
+          last = event.loaded;
+          if (this.ondata) {
+            this.ondata(chunk);
+          }
+        }.bind(this);
+      }
+
       xhr.onreadystatechange = function onReadyStateChange() {
         var data;
         if (xhr.readyState === 4) {
           data = xhr.responseText;
+
+          // emulate progress events for node...
+          // this really lame we should probably just
+          // use a real http request for node but this
+          // will let us do some testing via node for now.
+          if (!hasProgressEvents && this.ondata) {
+            this.ondata(data);
+          }
+
           this.waiting = false;
           callback(null, xhr);
         }
diff --git a/lib/caldav/xhr.js b/lib/caldav/xhr.js
index 4ed7ec6..abeae79 100644
--- a/lib/caldav/xhr.js
+++ b/lib/caldav/xhr.js
@@ -118,10 +118,35 @@
         }
       }
 
+
+      var hasProgressEvents = false;
+
+      // check for progress event support.
+      if ('onprogress' in xhr) {
+        hasProgressEvents = true;
+        var last = 0;
+        xhr.onprogress = function onProgress(event) {
+          var chunk = xhr.responseText.substr(last, event.loaded);
+          last = event.loaded;
+          if (this.ondata) {
+            this.ondata(chunk);
+          }
+        }.bind(this);
+      }
+
       xhr.onreadystatechange = function onReadyStateChange() {
         var data;
         if (xhr.readyState === 4) {
           data = xhr.responseText;
+
+          // emulate progress events for node...
+          // this really lame we should probably just
+          // use a real http request for node but this
+          // will let us do some testing via node for now.
+          if (!hasProgressEvents && this.ondata) {
+            this.ondata(data);
+          }
+
           this.waiting = false;
           callback(null, xhr);
         }
diff --git a/test/caldav/sax/dav_response_test.js b/test/caldav/sax/dav_response_test.js
index d435ef8..3825043 100644
--- a/test/caldav/sax/dav_response_test.js
+++ b/test/caldav/sax/dav_response_test.js
@@ -64,8 +64,10 @@ suite('caldav/sax/dav_response', function() {
         var event = response['event.ics'];
         assert.ok(event);
 
-        assert.ok(event['calendar-data'].value.name, 'name');
-        assert.ok(event['calendar-data'].value.value, 'value');
+        assert.ok(event['calendar-data'], 'has calendar data');
+        assert.ok(
+          event['calendar-data'].value instanceof Array, 'ical is parsed'
+        );
         done();
       });
 
diff --git a/test/caldav/xhr_test.js b/test/caldav/xhr_test.js
index 0d6d7fb..fdcbe37 100644
--- a/test/caldav/xhr_test.js
+++ b/test/caldav/xhr_test.js
@@ -202,6 +202,49 @@ suite('webacls/xhr', function() {
 
   });
 
-});
+  suite('requests real files', function() {
+    function request(path) {
+      path = 'fixtures/' + path;
+
+      if (typeof(__dirname) !== 'undefined') {
+        path = 'file://' + __dirname + '/' + path;
+      } else {
+        path = '/test/caldav/' + path;
+      }
+
+      return new Xhr({ url: path });
+    }
+
+    test('get', function(done) {
+      subject = request('file.txt');
+      subject.send(function(err, xhr) {
+        var data = xhr.responseText;
+        assert.equal(data.trim(), 'file');
+        done();
+      });
+    });
+
+    test('.ondata', function(done) {
+      var subject = request('long.txt');
+      var gotData = '';
 
+      subject.ondata = function(chunk) {
+        gotData += chunk;
+      };
 
+      subject.send(function(err, xhr) {
+        var data = xhr.responseText;
+
+        assert.equal(
+          data.trim(),
+          gotData.trim(),
+          'sends ondata'
+        );
+
+        done();
+      });
+    });
+
+  });
+
+});
-- 
cgit