import unittest

from werkrevisor import readiness


class ReadinessTest(unittest.TestCase):
    def test_marked_ready_needs_a_recorded_change_from_wip(self):
        for old, new, ready in (("WIP: Fix", "Fix", True), ("wip:Fix", "Fix", True), ("[WIP] Fix", "Fix", True),
                                ("Fix", "Fix it", False), ("Fix", "WIP: Fix", False), ("WIP: Fix", "WIP: Fix it", False)):
            with self.subTest(old=old, new=new):
                event = {"type": "change_title", "old_title": old, "new_title": new}
                self.assertIs(readiness.was_marked_ready([event], new), ready)
        for timeline in ([{"type": "comment", "old_title": "WIP: a", "new_title": "a"}], [], None):
            with self.subTest(timeline=timeline):
                self.assertFalse(readiness.was_marked_ready(timeline, "a"))

    def test_only_the_last_wip_change_counts(self):
        ready = {"type": "change_title", "old_title": "WIP: Fix", "new_title": "Fix"}
        back = {"type": "change_title", "old_title": "Fix", "new_title": "WIP: Fix"}
        renamed = {"type": "change_title", "old_title": "Fix", "new_title": "Fix it"}
        self.assertFalse(readiness.was_marked_ready([ready, back], "WIP: Fix"))
        self.assertFalse(readiness.was_marked_ready([ready, back], "Fix"))
        self.assertTrue(readiness.was_marked_ready([ready, back, ready, renamed], "Fix it"))
        self.assertTrue(readiness.was_marked_ready([back, ready], "Fix"))


if __name__ == "__main__":
    unittest.main()