From: Brian Warner <warner@allmydata.com>
Date: Fri, 20 Mar 2009 23:58:09 +0000 (-0700)
Subject: WUI: fix display of empty directories, it threw an exception before
X-Git-Tag: allmydata-tahoe-1.4.0~38
X-Git-Url: https://git.rkrishnan.org/components/com_hotproperty/vdrive?a=commitdiff_plain;h=6599eae6f9cd00e24209aa8ccacd92af2a66b916;p=tahoe-lafs%2Ftahoe-lafs.git

WUI: fix display of empty directories, it threw an exception before
---

diff --git a/src/allmydata/test/test_web.py b/src/allmydata/test/test_web.py
index 24eb7c2e..ef0b616a 100644
--- a/src/allmydata/test/test_web.py
+++ b/src/allmydata/test/test_web.py
@@ -914,6 +914,12 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, unittest.TestCase):
                                       '</td>\s+<td>DIR-RO</td>', res))
         d.addCallback(_check3)
 
+        # and an empty directory
+        d.addCallback(lambda res: self.GET(self.public_url + "/foo/empty/"))
+        def _check4(res):
+            self.failUnless("directory is empty!" in res, res)
+        d.addCallback(_check4)
+
         return d
 
     def test_GET_DIRURL_badtype(self):
diff --git a/src/allmydata/web/directory.py b/src/allmydata/web/directory.py
index 8b0ea173..51837b11 100644
--- a/src/allmydata/web/directory.py
+++ b/src/allmydata/web/directory.py
@@ -550,7 +550,7 @@ class DirectoryAsHTML(rend.Page):
     def render_try_children(self, ctx, data):
         # if the dirnode can be retrived, render a table of children.
         # Otherwise, render an apologetic error message.
-        if self.dirnode_children:
+        if self.dirnode_children is not None:
             return ctx.tag
         else:
             return T.div[T.p["Error reading directory:"],