def test__sync_filechange(self):
# build up filesystem with our test file and sync it.
fs = FileSystem(path=self.rootpath())
file = File(lines=['line 0'])
fs.rootdirectory().add(name='file', entry=file)
file.add_lines(['line 1', 'line 2', 'line 3'])
fs.sync()
# re-read our file and see if everything is there
fs = scan_filesystem(path=self.rootpath())
file = fs.rootdirectory().find(['file'])
lines = file.lines()
self.failUnlessEqual(lines[0], 'line 0')
self.failUnlessEqual(lines[1], 'line 1')
self.failUnlessEqual(lines[2], 'line 2')
self.failUnlessEqual(lines[3], 'line 3')
file.add_lines(['line 4'])
fs.sync()
# append to our file without explicitly reading it.
fs = scan_filesystem(path=self.rootpath())
file = fs.rootdirectory().find(['file'])
file.add_lines(['line 5'])
fs.sync()
# see if there's still everything there.
fs = scan_filesystem(path=self.rootpath())
file = fs.rootdirectory().find(['file'])
lines = file.lines()
self.failUnlessEqual(lines[0], 'line 0')
self.failUnlessEqual(lines[1], 'line 1')
self.failUnlessEqual(lines[2], 'line 2')
self.failUnlessEqual(lines[3], 'line 3')
self.failUnlessEqual(lines[4], 'line 4')
self.failUnlessEqual(lines[5], 'line 5')
pass
def test__sync_file_truncate_persistent(self):
fs = FileSystem(path=self.rootpath())
file = File(lines=['line'])
fs.rootdirectory().add(name='file', entry=file)
fs.sync()
fs = scan_filesystem(path=self.rootpath())
file = fs.rootdirectory().find(['file'])
file.truncate()
fs.sync()
fs = scan_filesystem(path=self.rootpath())
file = fs.rootdirectory().find(['file'])
self.failUnless(file.lines() == [])
pass
