forked from rubocop/rubocop
-
Notifications
You must be signed in to change notification settings - Fork 0
/
static_class_spec.rb
154 lines (127 loc) · 3.11 KB
/
static_class_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
# frozen_string_literal: true
RSpec.describe RuboCop::Cop::Style::StaticClass, :config do
it 'registers an offense when class has only class method' do
expect_offense(<<~RUBY)
class C
^^^^^^^ Prefer modules to classes with only class methods.
def self.class_method; end
end
RUBY
expect_correction(<<~RUBY)
module C
module_function
def class_method; end
end
RUBY
end
it 'registers an offense when class has `class << self` with class methods' do
expect_offense(<<~RUBY)
class C
^^^^^^^ Prefer modules to classes with only class methods.
def self.class_method; end
class << self
def other_class_method; end
end
end
RUBY
expect_correction(<<~RUBY)
module C
module_function
def class_method; end
#{trailing_whitespace}
def other_class_method; end
#{trailing_whitespace}
end
RUBY
end
it 'does not register an offense when class has `class << self` with macro calls' do
expect_no_offenses(<<~RUBY)
class C
def self.class_method; end
class << self
macro_method
end
end
RUBY
end
it 'registers an offense when class has assignments along with class methods' do
expect_offense(<<~RUBY)
class C
^^^^^^^ Prefer modules to classes with only class methods.
CONST = 1
def self.class_method; end
end
RUBY
expect_correction(<<~RUBY)
module C
module_function
CONST = 1
def class_method; end
end
RUBY
end
it 'does not register an offense when class has instance method' do
expect_no_offenses(<<~RUBY)
class C
def self.class_method; end
def instance_method; end
end
RUBY
end
it 'does not register an offense when class has macro-like method' do
expect_no_offenses(<<~RUBY)
class C
def self.class_method; end
macro_method
end
RUBY
end
it 'does not register an offense when class is empty' do
expect_no_offenses(<<~RUBY)
class C
end
RUBY
end
it 'does not register an offense when class has a parent' do
expect_no_offenses(<<~RUBY)
class C < B
def self.class_method; end
end
RUBY
end
it 'does not register an offense when class includes/prepends a module' do
expect_no_offenses(<<~RUBY)
class C
include M
def self.class_method; end
end
class C
prepend M
def self.class_method; end
end
RUBY
end
it 'registers an offense when class extends a module' do
expect_offense(<<~RUBY)
class C
^^^^^^^ Prefer modules to classes with only class methods.
extend M
def self.class_method; end
end
RUBY
expect_correction(<<~RUBY)
module C
module_function
extend M
def class_method; end
end
RUBY
end
it 'does not register an offense for modules' do
expect_no_offenses(<<~RUBY)
module C
def self.class_method; end
end
RUBY
end
end