/
delete_suffix_spec.rb
259 lines (216 loc) · 7.25 KB
/
delete_suffix_spec.rb
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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
# frozen_string_literal: true
RSpec.describe RuboCop::Cop::Performance::DeleteSuffix, :config do
let(:cop_config) { { 'SafeMultiline' => safe_multiline } }
let(:safe_multiline) { true }
context 'when TargetRubyVersion <= 2.4', :ruby24, unsupported_on: :prism do
it "does not register an offense when using `gsub(/suffix\z/, '')`" do
expect_no_offenses(<<~RUBY)
str.gsub(/suffix\\z/, '')
RUBY
end
it "does not register an offense when using `gsub!(/suffix\z/, '')`" do
expect_no_offenses(<<~RUBY)
str.gsub!(/suffix\\z/, '')
RUBY
end
it "does not register an offense when using `sub(/suffix\z/, '')`" do
expect_no_offenses(<<~RUBY)
str.sub(/suffix\\z/, '')
RUBY
end
it "does not register an offense when using `sub!(/suffix\z/, '')`" do
expect_no_offenses(<<~RUBY)
str.sub!(/suffix\\z/, '')
RUBY
end
end
context 'when TargetRubyVersion >= 2.5', :ruby25 do
context 'when using `\z` as ending pattern' do
it "registers an offense and corrects when `gsub(/suffix\z/, '')`" do
expect_offense(<<~RUBY)
str.gsub(/suffix\\z/, '')
^^^^ Use `delete_suffix` instead of `gsub`.
RUBY
expect_correction(<<~RUBY)
str.delete_suffix('suffix')
RUBY
end
it "registers an offense and corrects when `gsub(/suffix\z/, '')` with safe navigation operator" do
expect_offense(<<~RUBY)
str&.gsub(/suffix\\z/, '')
^^^^ Use `delete_suffix` instead of `gsub`.
RUBY
expect_correction(<<~RUBY)
str&.delete_suffix('suffix')
RUBY
end
it "registers an offense and corrects when `gsub!(/suffix\z/, '')`" do
expect_offense(<<~RUBY)
str.gsub!(/suffix\\z/, '')
^^^^^ Use `delete_suffix!` instead of `gsub!`.
RUBY
expect_correction(<<~RUBY)
str.delete_suffix!('suffix')
RUBY
end
it "registers an offense and corrects when `sub(/suffix\z/, '')`" do
expect_offense(<<~RUBY)
str.sub(/suffix\\z/, '')
^^^ Use `delete_suffix` instead of `sub`.
RUBY
expect_correction(<<~RUBY)
str.delete_suffix('suffix')
RUBY
end
it "registers an offense and corrects when `sub!(/suffix\z/, '')`" do
expect_offense(<<~RUBY)
str.sub!(/suffix\\z/, '')
^^^^ Use `delete_suffix!` instead of `sub!`.
RUBY
expect_correction(<<~RUBY)
str.delete_suffix!('suffix')
RUBY
end
end
context 'when using `$` as ending pattern' do
context 'when `SafeMultiline: true`' do
let(:safe_multiline) { true }
it 'does not register an offense and corrects when using `gsub`' do
expect_no_offenses(<<~RUBY)
str.gsub(/suffix$/, '')
RUBY
end
it 'does not register an offense and corrects when using `gsub!`' do
expect_no_offenses(<<~RUBY)
str.gsub!(/suffix$/, '')
RUBY
end
it 'does not register an offense and corrects when using `sub`' do
expect_no_offenses(<<~RUBY)
str.sub(/suffix$/, '')
RUBY
end
it 'does not register an offense and corrects when using `sub!`' do
expect_no_offenses(<<~RUBY)
str.sub!(/suffix$/, '')
RUBY
end
end
context 'when `SafeMultiline: false`' do
let(:safe_multiline) { false }
it 'registers an offense and corrects when using `gsub`' do
expect_offense(<<~RUBY)
str.gsub(/suffix$/, '')
^^^^ Use `delete_suffix` instead of `gsub`.
RUBY
expect_correction(<<~RUBY)
str.delete_suffix('suffix')
RUBY
end
it 'registers an offense and corrects when using `gsub!`' do
expect_offense(<<~RUBY)
str.gsub!(/suffix$/, '')
^^^^^ Use `delete_suffix!` instead of `gsub!`.
RUBY
expect_correction(<<~RUBY)
str.delete_suffix!('suffix')
RUBY
end
it 'registers an offense and corrects when using `sub`' do
expect_offense(<<~RUBY)
str.sub(/suffix$/, '')
^^^ Use `delete_suffix` instead of `sub`.
RUBY
expect_correction(<<~RUBY)
str.delete_suffix('suffix')
RUBY
end
it 'registers an offense and corrects when using `sub!`' do
expect_offense(<<~RUBY)
str.sub!(/suffix$/, '')
^^^^ Use `delete_suffix!` instead of `sub!`.
RUBY
expect_correction(<<~RUBY)
str.delete_suffix!('suffix')
RUBY
end
end
end
context 'when using non-ending pattern' do
it 'does not register an offense when using `gsub`' do
expect_no_offenses(<<~RUBY)
str.gsub(/pattern/, '')
RUBY
end
it 'does not register an offense when using `gsub!`' do
expect_no_offenses(<<~RUBY)
str.gsub!(/pattern/, '')
RUBY
end
it 'does not register an offense when using `sub`' do
expect_no_offenses(<<~RUBY)
str.sub(/pattern/, '')
RUBY
end
it 'does not register an offense when using `sub!`' do
expect_no_offenses(<<~RUBY)
str.sub!(/pattern/, '')
RUBY
end
end
context 'with starting pattern `\A` and ending pattern `\z`' do
it 'does not register an offense and corrects when using `gsub`' do
expect_no_offenses(<<~RUBY)
str.gsub(/\\Asuffix\\z/, '')
RUBY
end
it 'does not register an offense and corrects when using `gsub!`' do
expect_no_offenses(<<~RUBY)
str.gsub!(/\\Asuffix\\z/, '')
RUBY
end
it 'does not register an offense and corrects when using `sub`' do
expect_no_offenses(<<~RUBY)
str.sub(/\\Asuffix\\z/, '')
RUBY
end
it 'does not register an offense and corrects when using `sub!`' do
expect_no_offenses(<<~RUBY)
str.sub!(/\\Asuffix\\z/, '')
RUBY
end
end
context 'when using a non-blank string as replacement string' do
it 'does not register an offense and corrects when using `gsub`' do
expect_no_offenses(<<~RUBY)
str.gsub(/suffix\\z/, 'foo')
RUBY
end
it 'does not register an offense and corrects when using `gsub!`' do
expect_no_offenses(<<~RUBY)
str.gsub!(/suffix\\z/, 'foo')
RUBY
end
it 'does not register an offense and corrects when using `sub`' do
expect_no_offenses(<<~RUBY)
str.sub(/suffix\\z/, 'foo')
RUBY
end
it 'does not register an offense and corrects when using `sub!`' do
expect_no_offenses(<<~RUBY)
str.sub!(/suffix\\z/, 'foo')
RUBY
end
end
it 'does not register an offense when using `delete_suffix`' do
expect_no_offenses(<<~RUBY)
str.delete_suffix('suffix')
RUBY
end
it 'does not register an offense when using `delete_suffix!`' do
expect_no_offenses(<<~RUBY)
str.delete_suffix!('suffix')
RUBY
end
end
end