def testSplitting(self):
"""Test of the internal splitting API."""
# Try lots of keys that will return the same answer
answer = ["a", "b", "c", "d"]
self.assertSplit(answer, ".a.b.c.d", ":a:b:c:d", "\ta\tb\tc\td", "\ra\rb\rc\rd")
answer = ["a", "calexp.wcs", "b"]
self.assertSplit(answer, r".a.calexp\.wcs.b", ":a:calexp.wcs:b")
self.assertSplit(["a.b.c"])
self.assertSplit(["a", r"b\.c"], r"_a_b\.c")
# Escaping a backslash before a delimiter currently fails
with self.assertRaises(ValueError):
Config._splitIntoKeys(r".a.calexp\\.wcs.b")
# The next two fail because internally \r is magic when escaping
# a delimiter.
with self.assertRaises(ValueError):
Config._splitIntoKeys("\ra\rcalexp\\\rwcs\rb")
with self.assertRaises(ValueError):
Config._splitIntoKeys(".a.cal\rexp\\.wcs.b")
def assertSplit(self, answer, *args):
"""Helper function to compare string splitting"""
for s in (answer, *args):
split = Config._splitIntoKeys(s)
self.assertEqual(split, answer)