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
138
139
|
# -*- ruby encoding: utf-8 -*-
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 "should have the correct LCS result on left-matches" do
@callback_s1_s2.matched_a.should == correct_lcs
@callback_s2_s1.matched_a.should == correct_lcs
end
it "should have the correct LCS result on right-matches" do
@callback_s1_s2.matched_b.should == correct_lcs
@callback_s2_s1.matched_b.should == correct_lcs
end
it "should have the correct skipped sequences with the left sequence" do
@callback_s1_s2.discards_a.should == skipped_seq1
@callback_s2_s1.discards_a.should == skipped_seq2
end
it "should have the correct skipped sequences with the right sequence" do
@callback_s1_s2.discards_b.should == skipped_seq2
@callback_s2_s1.discards_b.should == skipped_seq1
end
it "should not have anything done markers from the left or right sequences" do
@callback_s1_s2.done_a.should be_empty
@callback_s1_s2.done_b.should be_empty
@callback_s2_s1.done_a.should be_empty
@callback_s2_s1.done_b.should 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 "should have the correct LCS result on left-matches" do
@callback.matched_a.should == hello.split(//)
end
it "should have the correct LCS result on right-matches" do
@callback.matched_b.should == hello.split(//)
end
it "should have the correct skipped sequences with the left sequence", :only => true do
@callback.discards_a.should be_empty
end
it "should have the correct skipped sequences with the right sequence" do
@callback.discards_b.should be_empty
end
it "should not have anything done markers from the left or right sequences" do
@callback.done_a.should be_empty
@callback.done_b.should 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 "should have the correct LCS result on left-matches" do
@callback.matched_a.should == hello_ary
end
it "should have the correct LCS result on right-matches" do
@callback.matched_b.should == hello_ary
end
it "should have the correct skipped sequences with the left sequence" do
@callback.discards_a.should be_empty
end
it "should have the correct skipped sequences with the right sequence" do
@callback.discards_b.should be_empty
end
it "should not have anything done markers from the left or right sequences" do
@callback.done_a.should be_empty
@callback.done_b.should 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 "should have the correct LCS result on left-matches" do
@callback_s1_s2.matched_a.should == correct_lcs
@callback_s2_s1.matched_a.should == correct_lcs
end
it "should have the correct LCS result on right-matches" do
@callback_s1_s2.matched_b.should == correct_lcs
@callback_s2_s1.matched_b.should == correct_lcs
end
it "should have the correct skipped sequences for the left sequence" do
@callback_s1_s2.discards_a.should == skipped_seq1
@callback_s2_s1.discards_a.should == skipped_seq2
end
it "should have the correct skipped sequences for the right sequence" do
@callback_s1_s2.discards_b.should == skipped_seq2
@callback_s2_s1.discards_b.should == skipped_seq1
end
it "should have done markers differently-sized sequences" do
@callback_s1_s2.done_a.should == [[ "p", 9, "s", 10 ]]
@callback_s1_s2.done_b.should be_empty
# 20110731 I don't yet understand why this particular behaviour
# isn't transitive.
@callback_s2_s1.done_a.should be_empty
@callback_s2_s1.done_b.should be_empty
end
end
end
|
