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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
# frozen_string_literal: true
require 'spec_helper'
describe 'Diff::LCS.traverse_sequences' do
describe 'callback with no finishers' do
describe 'over (seq1, seq2)' do
before(:each) do
@callback_s1_s2 = simple_callback_no_finishers
Diff::LCS.traverse_sequences(seq1, seq2, @callback_s1_s2)
@callback_s2_s1 = simple_callback_no_finishers
Diff::LCS.traverse_sequences(seq2, seq1, @callback_s2_s1)
end
it 'has the correct LCS result on left-matches' do
expect(@callback_s1_s2.matched_a).to eq(correct_lcs)
expect(@callback_s2_s1.matched_a).to eq(correct_lcs)
end
it 'has the correct LCS result on right-matches' do
expect(@callback_s1_s2.matched_b).to eq(correct_lcs)
expect(@callback_s2_s1.matched_b).to eq(correct_lcs)
end
it 'has the correct skipped sequences with the left sequence' do
expect(@callback_s1_s2.discards_a).to eq(skipped_seq1)
expect(@callback_s2_s1.discards_a).to eq(skipped_seq2)
end
it 'has the correct skipped sequences with the right sequence' do
expect(@callback_s1_s2.discards_b).to eq(skipped_seq2)
expect(@callback_s2_s1.discards_b).to eq(skipped_seq1)
end
it 'does not have anything done markers from the left or right sequences' do
expect(@callback_s1_s2.done_a).to be_empty
expect(@callback_s1_s2.done_b).to be_empty
expect(@callback_s2_s1.done_a).to be_empty
expect(@callback_s2_s1.done_b).to be_empty
end
end
describe 'over (hello, hello)' do
before(:each) do
@callback = simple_callback_no_finishers
Diff::LCS.traverse_sequences(hello, hello, @callback)
end
it 'has the correct LCS result on left-matches' do
expect(@callback.matched_a).to eq(hello.split(//))
end
it 'has the correct LCS result on right-matches' do
expect(@callback.matched_b).to eq(hello.split(//))
end
it 'has the correct skipped sequences with the left sequence', :only => true do
expect(@callback.discards_a).to be_empty
end
it 'has the correct skipped sequences with the right sequence' do
expect(@callback.discards_b).to be_empty
end
it 'does not have anything done markers from the left or right sequences' do
expect(@callback.done_a).to be_empty
expect(@callback.done_b).to be_empty
end
end
describe 'over (hello_ary, hello_ary)' do
before(:each) do
@callback = simple_callback_no_finishers
Diff::LCS.traverse_sequences(hello_ary, hello_ary, @callback)
end
it 'has the correct LCS result on left-matches' do
expect(@callback.matched_a).to eq(hello_ary)
end
it 'has the correct LCS result on right-matches' do
expect(@callback.matched_b).to eq(hello_ary)
end
it 'has the correct skipped sequences with the left sequence' do
expect(@callback.discards_a).to be_empty
end
it 'has the correct skipped sequences with the right sequence' do
expect(@callback.discards_b).to be_empty
end
it 'does not have anything done markers from the left or right sequences' do
expect(@callback.done_a).to be_empty
expect(@callback.done_b).to be_empty
end
end
end
describe 'callback with finisher' do
before(:each) do
@callback_s1_s2 = simple_callback
Diff::LCS.traverse_sequences(seq1, seq2, @callback_s1_s2)
@callback_s2_s1 = simple_callback
Diff::LCS.traverse_sequences(seq2, seq1, @callback_s2_s1)
end
it 'has the correct LCS result on left-matches' do
expect(@callback_s1_s2.matched_a).to eq(correct_lcs)
expect(@callback_s2_s1.matched_a).to eq(correct_lcs)
end
it 'has the correct LCS result on right-matches' do
expect(@callback_s1_s2.matched_b).to eq(correct_lcs)
expect(@callback_s2_s1.matched_b).to eq(correct_lcs)
end
it 'has the correct skipped sequences for the left sequence' do
expect(@callback_s1_s2.discards_a).to eq(skipped_seq1)
expect(@callback_s2_s1.discards_a).to eq(skipped_seq2)
end
it 'has the correct skipped sequences for the right sequence' do
expect(@callback_s1_s2.discards_b).to eq(skipped_seq2)
expect(@callback_s2_s1.discards_b).to eq(skipped_seq1)
end
it 'has done markers differently-sized sequences' do
expect(@callback_s1_s2.done_a).to eq([['p', 9, 't', 11]])
expect(@callback_s1_s2.done_b).to be_empty
expect(@callback_s2_s1.done_a).to be_empty
expect(@callback_s2_s1.done_b).to eq([['t', 11, 'p', 9]])
end
end
end
|