def assert_file_is_current(self, reference, requirements=[], **kw):
"""Assert that the file given by the ``reference`` pathname has been
created or updated after the given list of ``requirement`` file names,
raise :py:class:`UpdateNeeded` otherwise.
:param str reference: The file path you want to check for being
current.
:param list requirements: The list of filenames you want to check
against.
:param dict kw: Arguments that are passed through to
``last_update`` which can be used to use different time stamps
than ``st_mtime``. See
:py:meth:`batou.lib.file.File.last_updated` for possible values.
:return: ``None``, if ``reference`` is as new or newer as all
``requirements``.
:raises UpdateNeeded: if the reference file is older than any of the
``requirements``.
"""
from batou.lib.file import Presence
reference = Presence(reference)
self |= reference
reference.assert_component_is_current(
[Presence(r) for r in requirements], **kw)
def verify(self):
self.assert_file_is_current("bin/buildout")
# XXX we can't be sure that all config objects are files!
installed = Presence(".installed.cfg")
self |= installed
installed.assert_component_is_current([Presence("bin/buildout")] +
self.config)
self.assert_file_is_current(".batou.buildout.success",
[".installed.cfg"])
self.assert_no_subcomponent_changes()
def test_presence_leaves_existing_file_with_content_intact(root):
p = Presence("path")
root.component += p
with open(p.path, "w") as f:
f.write("Hello there!")
root.component.deploy()
with open(p.path) as f:
assert f.read() == "Hello there!"
def test_presence_removes_conflicting_directories(root):
p = Presence("dir")
root.component += p
os.mkdir(p.path)
root.component.deploy()
assert not os.path.isdir(p.path)
with open(p.path) as f:
assert f.read() == ""
def test_presence_removes_conflicting_symlinks(root):
p = Presence("link")
root.component += p
os.symlink("target", p.path)
assert os.path.islink(p.path)
with pytest.raises(IOError):
open(p.path)
root.component.deploy()
assert not os.path.islink(p.path)
with open(p.path) as f:
assert f.read() == ""
def test_presence_doesnt_create_directories_by_default(root):
root.component += Presence("directory/file")
with pytest.raises(IOError):
root.component.deploy()
def test_presence_creates_directories_if_configured(root):
p = Presence("directory/file", leading=True)
root.component += p
root.component.deploy()
with open(p.path) as f:
assert f.read() == ""
def test_presence_creates_nonexisting_file(root):
p = Presence("path")
root.component += p
root.component.deploy()
with open(p.path) as f:
assert f.read() == ""
