/brz/remove-bazaar

from unittest import TestCase

import multiparent

LINES_1 = "a\nb\nc\nd\ne\n".splitlines(True)

LINES_2 = "a\nc\nd\ne\n".splitlines(True)

LINES_3 = "a\nb\nc\nd\n".splitlines(True)

class Mock(object):

    def __init__(self, **kwargs):

        self.__dict__ = kwargs

class TestMulti(TestCase):

    def test_compare_no_parent(self):

        diff = multiparent.MultiParent.from_lines(LINES_1)

        self.assertEqual([multiparent.NewText(LINES_1)], diff.hunks)

    def test_compare_one_parent(self):

        diff = multiparent.MultiParent.from_lines(LINES_1, [LINES_2])

        self.assertEqual([multiparent.ParentText(0, 0, 0, 1),

                          multiparent.NewText(['b\n']),

                          multiparent.ParentText(0, 1, 2, 3)],

                         diff.hunks)

    def test_compare_two_parents(self):

        diff = multiparent.MultiParent.from_lines(LINES_1, [LINES_2, LINES_3])

        self.assertEqual([multiparent.ParentText(1, 0, 0, 4),

                          multiparent.ParentText(0, 3, 4, 1)],

                         diff.hunks)

    def test_eq(self):

        diff = multiparent.MultiParent.from_lines(LINES_1)

        diff2 = multiparent.MultiParent.from_lines(LINES_1)

        self.assertEqual(diff, diff2)

        diff3 = multiparent.MultiParent.from_lines(LINES_2)

        self.assertFalse(diff == diff3)

        self.assertFalse(diff == Mock(hunks=[multiparent.NewText(LINES_1)]))

        self.assertEqual(multiparent.MultiParent(

                         [multiparent.NewText(LINES_1),

                          multiparent.ParentText(0, 1, 2, 3)]),

                         multiparent.MultiParent(

                         [multiparent.NewText(LINES_1),

                          multiparent.ParentText(0, 1, 2, 3)]))

    def test_to_patch(self):

        self.assertEqual(['i 1\n', 'a\n', '\n', 'c 0 1 2 3\n'],

            list(multiparent.MultiParent([multiparent.NewText(['a\n']),

            multiparent.ParentText(0, 1, 2, 3)]).to_patch()))

class TestNewText(TestCase):

    def test_eq(self):

        self.assertEqual(multiparent.NewText([]), multiparent.NewText([]))

        self.assertFalse(multiparent.NewText(['a']) ==

                         multiparent.NewText(['b']))

        self.assertFalse(multiparent.NewText(['a']) == Mock(lines=['a']))

    def test_to_patch(self):

        self.assertEqual(['i 0\n', '\n'],

                         list(multiparent.NewText([]).to_patch()))

        self.assertEqual(['i 1\n', 'a', '\n'],

                         list(multiparent.NewText(['a']).to_patch()))

        self.assertEqual(['i 1\n', 'a\n', '\n'],

                         list(multiparent.NewText(['a\n']).to_patch()))

class TestParentText(TestCase):

    def test_eq(self):

        self.assertEqual(multiparent.ParentText(1, 2, 3, 4),

                         multiparent.ParentText(1, 2, 3, 4))

        self.assertFalse(multiparent.ParentText(1, 2, 3, 4) ==

                         multiparent.ParentText(2, 2, 3, 4))

        self.assertFalse(multiparent.ParentText(1, 2, 3, 4) ==

                         Mock(parent=1, parent_pos=2, child_pos=3,

                              num_lines=4))

    def test_to_patch(self):

        self.assertEqual(['c 0 1 2 3\n'],

                         list(multiparent.ParentText(0, 1, 2, 3).to_patch()))