def test_symlinked_dataset_properties(repo1, repo2, repo3, non_repo, symlink):
ds = Dataset(repo1).create()
# now, let ds be a symlink and change that symlink to point to different
# things:
ar2 = AnnexRepo(repo2)
ar3 = AnnexRepo(repo3)
assert_true(os.path.isabs(non_repo))
os.symlink(repo1, symlink)
ds_link = Dataset(symlink)
assert_is(ds_link.repo, ds.repo) # same Repo instance
assert_is_not(ds_link, ds) # but not the same Dataset instance
assert_is(ds_link.config, ds.repo.config)
assert_true(ds_link._cfg_bound)
assert_is_not_none(ds_link.id)
# same id, although different Dataset instance:
assert_equal(ds_link.id, ds.id)
os.unlink(symlink)
os.symlink(repo2, symlink)
assert_is(ds_link.repo, ar2) # same Repo instance
assert_is(ds_link.config, ar2.config)
assert_true(ds_link._cfg_bound)
# id is None again, since this repository is an annex but there was no
# Dataset.create() called yet.
assert_is_none(ds_link.id)
os.unlink(symlink)
os.symlink(repo3, symlink)
assert_is(ds_link.repo, ar3) # same Repo instance
assert_is(ds_link.config, ar3.config)
assert_true(ds_link._cfg_bound)
# id is None again, since this repository is an annex but there was no
# Dataset.create() called yet.
assert_is_none(ds_link.id)
os.unlink(symlink)
os.symlink(non_repo, symlink)
assert_is_none(ds_link.repo)
assert_is_not(ds_link.config, ar3.config)
assert_false(ds_link._cfg_bound)
assert_is_none(ds_link.id)
def test_property_reevaluation(repo1):
ds = Dataset(repo1)
assert_is_none(ds.repo)
assert_is_not_none(ds.config)
first_config = ds.config
assert_false(ds._cfg_bound)
assert_is_none(ds.id)
ds.create()
assert_repo_status(repo1)
# after creation, we have `repo`, and `config` was reevaluated to point
# to the repo's config:
assert_is_not_none(ds.repo)
assert_is_not_none(ds.config)
second_config = ds.config
assert_true(ds._cfg_bound)
assert_is(ds.config, ds.repo.config)
assert_is_not(first_config, second_config)
assert_is_not_none(ds.id)
first_id = ds.id
ds.remove()
# repo is gone, and config is again reevaluated to only provide user/system
# level config:
assert_false(lexists(ds.path))
assert_is_none(ds.repo)
assert_is_not_none(ds.config)
third_config = ds.config
assert_false(ds._cfg_bound)
assert_is_not(second_config, third_config)
assert_is_none(ds.id)
ds.create()
assert_repo_status(repo1)
# after recreation everything is sane again:
assert_is_not_none(ds.repo)
assert_is_not_none(ds.config)
assert_is(ds.config, ds.repo.config)
forth_config = ds.config
assert_true(ds._cfg_bound)
assert_is_not(third_config, forth_config)
assert_is_not_none(ds.id)
assert_not_equal(ds.id, first_id)