def test_keys():
pkg = Package()
assert not pkg.keys()
pkg.set('asdf', LOCAL_MANIFEST)
assert set(pkg.keys()) == {'asdf'}
pkg.set('jkl;', REMOTE_MANIFEST)
assert set(pkg.keys()) == {'asdf', 'jkl;'}
pkg.delete('asdf')
assert set(pkg.keys()) == {'jkl;'}
def test_tophash_changes(tmpdir):
test_file = tmpdir / 'test.txt'
test_file.write_text('asdf', 'utf-8')
pkg = Package()
th1 = pkg.top_hash()
pkg.set('asdf', test_file)
pkg.build()
th2 = pkg.top_hash()
assert th1 != th2
test_file.write_text('jkl', 'utf-8')
pkg.set('jkl', test_file)
pkg.build()
th3 = pkg.top_hash()
assert th1 != th3
assert th2 != th3
pkg.delete('jkl')
th4 = pkg.top_hash()
assert th2 == th4
