# vim:ts=4:sw=4:et:
# Copyright (c) Meta Platforms, Inc. and affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

# no unicode literals
from __future__ import absolute_import, division, print_function

import os
import os.path

import WatchmanTestCase


@WatchmanTestCase.expand_matrix
class TestFind(WatchmanTestCase.WatchmanTestCase):
    def test_find(self):
        root = self.mkdtemp()
        self.touchRelative(root, "foo.c")
        self.touchRelative(root, "bar.txt")

        self.watchmanCommand("watch", root)
        self.assertFileList(root, ["foo.c", "bar.txt"])

        # Make sure we correctly observe deletions
        os.unlink(os.path.join(root, "bar.txt"))
        self.assertFileList(root, ["foo.c"])

        # touch -> delete -> touch, should show up as exists
        self.touchRelative(root, "bar.txt")
        self.assertFileList(root, ["foo.c", "bar.txt"])
        os.unlink(os.path.join(root, "bar.txt"))

        # A moderately more complex set of changes
        os.mkdir(os.path.join(root, "adir"))
        os.mkdir(os.path.join(root, "adir", "subdir"))
        self.touchRelative(root, "adir", "subdir", "file")
        os.rename(
            os.path.join(root, "adir", "subdir"), os.path.join(root, "adir", "overhere")
        )

        self.assertFileList(
            root, ["adir", "adir/overhere", "adir/overhere/file", "foo.c"]
        )

        os.rename(os.path.join(root, "adir"), os.path.join(root, "bdir"))

        self.assertFileList(
            root, ["bdir", "bdir/overhere", "bdir/overhere/file", "foo.c"]
        )

        self.assertTrue(self.rootIsWatched(root))

        self.watchmanCommand("watch-del", root)
        self.waitFor(lambda: not self.rootIsWatched(root))

        self.assertFalse(self.rootIsWatched(root))
