davstorage: return 404 status when putAttachment into an inexistent repository

src/jio.storage/davstorage.js

@@ -196,13 +196,24 @@
 
 
   DavStorage.prototype.putAttachment = function (id, name, blob) {
+    var that = this;
     id = restrictDocumentId(id);
     restrictAttachmentId(name);
-    return ajax(this, {
-      type: "PUT",
-      url: this._url + id + name,
-      data: blob
-    });
+
+    return new RSVP.Queue()
+      .push(function () {
+        return ajax(that, {
+          type: "PUT",
+          url: that._url + id + name,
+          data: blob
+        });
+      })
+      .push(undefined, function (error) {
+        if (error.target.status === 403) {
+          throw new jIO.util.jIOError("Cannot access subdocument", 404);
+        }
+        throw error;
+      });
   };
 
   DavStorage.prototype.getAttachment = function (id, name) {

test/jio.storage/davstorage.tests.js

@@ -765,6 +765,29 @@
       });
   });
 
+  test("putAttachment to inexisting directory: expecting a 404", function () {
+    var blob = new Blob(["foo"]),
+      url = domain + "/inexistent_dir/attachment1";
+    this.server.respondWith("PUT", url, [403, {"": ""}, ""]);
+    stop();
+    expect(3);
+
+    this.jio.putAttachment(
+      "/inexistent_dir/",
+      "attachment1",
+      blob
+    )
+      .fail(function (error) {
+        ok(error instanceof jIO.util.jIOError);
+        equal(error.message, "Cannot access subdocument");
+        equal(error.status_code, 404);
+      })
+      .always(function () {
+        start();
+      });
+  });
+
+
   test("putAttachment document", function () {
     var blob = new Blob(["foo"]),
       url = domain + "/putAttachment1/attachment1",