SFTP: add a comment about a subtle interaction between OverwriteableFileConsumer...

[tahoe-lafs/tahoe-lafs.git] / src / allmydata / test / test_sftp.py

diff --git a/src/allmydata/test/test_sftp.py b/src/allmydata/test/test_sftp.py
index 48874a85852ff2f77e034c2f4a700e7a3952d7c3..a45d71d0740431dceb8a3e6237b34d3f616b18fc 100644 (file)
--- a/src/allmydata/test/test_sftp.py
+++ b/src/allmydata/test/test_sftp.py
@@ -29,6 +29,7 @@ from allmydata.mutable.common import NotWriteableError
 
 from allmydata.util.consumer import download_to_data
 from allmydata.immutable import upload
+from allmydata.mutable import publish
 from allmydata.test.no_network import GridTestMixin
 from allmydata.test.common import ShouldFailMixin
 from allmydata.test.common_util import ReallyEqualMixin
@@ -76,7 +77,8 @@ class Handler(GridTestMixin, ShouldFailMixin, ReallyEqualMixin, unittest.TestCas
         return d
 
     def _set_up_tree(self):
-        d = self.client.create_mutable_file("mutable file contents")
+        u = publish.MutableData("mutable file contents")
+        d = self.client.create_mutable_file(u)
         d.addCallback(lambda node: self.root.set_node(u"mutable", node))
         def _created_mutable(n):
             self.mutable = n
@@ -911,6 +913,9 @@ class Handler(GridTestMixin, ShouldFailMixin, ReallyEqualMixin, unittest.TestCas
                       self.handler.openFile("small", sftp.FXF_READ | sftp.FXF_WRITE, {}))
         def _read_write(rwf):
             d2 = rwf.writeChunk(8, "0123")
+            # test immediate read starting after the old end-of-file
+            d2.addCallback(lambda ign: rwf.readChunk(11, 1))
+            d2.addCallback(lambda data: self.failUnlessReallyEqual(data, "3"))
             d2.addCallback(lambda ign: rwf.readChunk(0, 100))
             d2.addCallback(lambda data: self.failUnlessReallyEqual(data, "012345670123"))
             d2.addCallback(lambda ign: rwf.close())