1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
# -*- ruby encoding: utf-8 -*-
require 'spec_helper'
describe "Diff::LCS Issues" do
include Diff::LCS::SpecHelper::Matchers
describe 'issue #1' do
shared_examples 'handles simple diffs' do |s1, s2, forward_diff|
before do
@diff_s1_s2 = Diff::LCS.diff(s1, s2)
end
it 'creates the correct diff' do
expect(change_diff(forward_diff)).to eq(@diff_s1_s2)
end
it 'creates the correct patch s1->s2' do
expect(Diff::LCS.patch(s1, @diff_s1_s2)).to eq(s2)
end
it 'creates the correct patch s2->s1' do
expect(Diff::LCS.patch(s2, @diff_s1_s2)).to eq(s1)
end
end
describe 'string' do
it_has_behavior 'handles simple diffs', 'aX', 'bXaX', [
[ [ '+', 0, 'b' ],
[ '+', 1, 'X' ] ],
]
it_has_behavior 'handles simple diffs', 'bXaX', 'aX', [
[ [ '-', 0, 'b' ],
[ '-', 1, 'X' ] ],
]
end
describe 'array' do
it_has_behavior 'handles simple diffs', %w(a X), %w(b X a X), [
[ [ '+', 0, 'b' ],
[ '+', 1, 'X' ] ],
]
it_has_behavior 'handles simple diffs', %w(b X a X), %w(a X), [
[ [ '-', 0, 'b' ],
[ '-', 1, 'X' ] ],
]
end
end
end
|
