from __future__ import absolute_import

import os
import unittest

from edenscm.hgext.hgsubversion import editor


class TestHelpers(unittest.TestCase):
    def test_filestore(self):
        fs = editor.FileStore(2)
        fs.setfile("a", "a")
        fs.setfile("b", "b")
        self.assertEqual("a", fs._data.get("a"))
        self.assertEqual("b", fs._data.get("b"))

        fs.delfile("b")
        self.assertRaises(IOError, lambda: fs.getfile("b"))
        fs.setfile("bb", "bb")
        self.assertTrue("bb" in fs._files)
        self.assertTrue("bb" not in fs._data)
        self.assertEqual("bb", fs.getfile("bb"))

        fs.delfile("bb")
        self.assertTrue("bb" not in fs._files)
        self.assertEqual([], os.listdir(fs._tempdir))
        self.assertRaises(IOError, lambda: fs.getfile("bb"))

        fs.setfile("bb", "bb")
        self.assertEqual(1, len(os.listdir(fs._tempdir)))
        fs.popfile("bb")
        self.assertEqual([], os.listdir(fs._tempdir))
        self.assertRaises(editor.EditingError, lambda: fs.getfile("bb"))
        fs.close()


if __name__ == "__main__":
    import silenttestrunner

    silenttestrunner.main(__name__)