Repository navigation
Expand file tree
/
Copy pathstatic_analysis_spec.rb
More file actions
187 lines (161 loc) · 6.84 KB
/
Copy pathstatic_analysis_spec.rb
File metadata and controls
187 lines (161 loc) · 6.84 KB
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
require_relative '../helpers'
describe Parser do
VERSIONS.each do |v|
if v == 2.0
it "test 2.0" do
parse("def foo(a:1); p a; end", v)
end
end
if v != 1.8
it "parses a simple multiple assignment [#{v}]" do
parse("a,b,c = 1,2,3", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, 1], [:b, 2], [:c, 3]])
end
end
it "parses a simple lhs splat multiple assignment [#{v}]" do
parse("a,*b = 1,2,3", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, 1], [:b, [2, 3]]])
end
parse("a,b,*c = 1,2,3,4", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, 1], [:b, 2], [:c, [3,4]]])
end
end
it "parses a simple lhs splat multiple assignment [#{v}]" do
parse("*a,b = 1,2,3", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, [1, 2]], [:b, 3]])
end
parse("*a,b,c = 1,2,3,4", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, [1, 2]], [:b, 3], [:c, 4]])
end
end
it "parses a simple lhs splat multiple assignment [#{v}]" do
parse("a,*b, c = 1,2,3,4", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, 1], [:b, [2, 3]], [:c, 4]])
end
parse("a, b, *c, d = 1,2,3,4,5", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, 1], [:b, 2], [:c, [3, 4]], [:d, 5]])
end
parse("a, *b, c, d = 1,2,3,4,5", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, 1], [:b, [2, 3]], [:c, 4], [:d, 5]])
end
end
it "parses a simple lhs splat multiple assignment [#{v}]" do
parse("a,*b,c,d = 1,2,3", v).find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, 1], [:b, []], [:c, 2], [:d, 3]])
end
end
it "parses a simple rhs splat multiple assignment [#{v}]" do
ast = parse("a,*b = 1,*foo", v)
foo = ast.find_node(:vcall)
ast.find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, 1], [:b, foo]])
end
end
it "parses a simple rhs splat multiple assignment [#{v}]" do
ast = parse("*a,b = *foo,1", v)
splatted_foo = ast.find_node(:splat)
ast.find_node(:multipleasgn).tap do |masgn|
masgn.should have_static_assignments([[:a, splatted_foo], [:b, 1]])
end
end
end
it "method: can parse an empty body method with unused param [#{v}]" do
parse("def foo(a)\nend").find_node(:defn) do |defn|
defn.args.get_normative_parameter_name_list(true).each do |parameter|
defn.is_parameter_used(parameter).should == false
end
end
end
it "method: Can detect simple parameter is used" do
parse("def foo(a); a; end").find_node(:defn) do |defn|
defn.args.get_normative_parameter_name_list(true).each do |parameter|
defn.is_parameter_used(parameter).should == true
end
end
parse("def foo(a,b); a; b; end").find_node(:defn) do |defn|
defn.args.get_normative_parameter_name_list(true).each do |parameter|
defn.is_parameter_used(parameter).should == true
end
end
parse("def foo(a,b); a=1; b; end").find_node(:defn) do |defn|
defn.is_parameter_used("a").should == false
defn.is_parameter_used("b").should == true
end
end
it "method: Can detect some simple parameters are used" do
parse("def foo(a,b); b; end").find_node(:defn) do |defn|
defn.is_parameter_used("a").should == false
defn.is_parameter_used("b").should == true
end
parse("def foo(a,b); b if true; end").find_node(:defn) do |defn|
defn.is_parameter_used("a").should == false
defn.is_parameter_used("b").should == true
end
parse("def foo(a,b); proc { b if true }; end").find_node(:defn) do |defn|
defn.is_parameter_used("a").should == false
defn.is_parameter_used("b").should == true
end
parse("def foo a, b, c\nputs a, b, c\nend").find_node(:defn) do |defn|
defn.is_parameter_used("a").should == true
defn.is_parameter_used("b").should == true
defn.is_parameter_used("c").should == true
end
parse("def foo(a, b); b.each_answer {|n| data if n == a }; end") do |defn|
defn.is_parameter_used("a").should == true
defn.is_parameter_used("b").should == true
end
end
it "method: Can detect some simple optarg params are used" do
parse("def foo(a,b = {}); b; end").find_node(:defn) do |defn|
defn.is_parameter_used("a").should == false
defn.is_parameter_used("b").should == true
end
end
it "method: Can detect zsuper usage" do
parse("def foo(a,b = {}); super; end").find_node(:defn) do |defn|
defn.is_parameter_used("a").should == true
defn.is_parameter_used("b").should == true
end
end
it "block/iter: can parse an empty proc body with unused param [#{v}]" do
parse("proc do |a|\nend").find_node(:iter) do |iter|
iter.is_parameter_used("a").should == false
end
end
it "block/iter: Can detect simple parameter is used" do
parse("proc { |a, b| a; b }").find_node(:iter) do |iter|
iter.is_parameter_used("a").should == true
iter.is_parameter_used("b").should == true
end
end
it "block/iter: Can detect simple parameter is used" do
parse("proc { |a, b| a=1; b }").find_node(:iter) do |iter|
iter.is_parameter_used("a").should == false
iter.is_parameter_used("b").should == true
end
end
it "block/iter: Can detect some simple parameters are used" do
parse("proc {|a,b| b }").find_node(:iter) do |iter|
iter.is_parameter_used("a").should == false
iter.is_parameter_used("b").should == true
end
parse("proc {|a,b| b if true }").find_node(:iter) do |iter|
iter.is_parameter_used("a").should == false
iter.is_parameter_used("b").should == true
end
parse("proc {|a,b| proc { b if true } }").find_node(:iter) do |iter|
iter.is_parameter_used("a").should == false
iter.is_parameter_used("b").should == true
end
parse("proc {|a, b, c| puts a, b, c }").find_node(:iter) do |iter|
iter.is_parameter_used("a").should == true
iter.is_parameter_used("b").should == true
iter.is_parameter_used("c").should == true
end
parse("proc {|a, b| b.each_answer {|n| data if n == a } }") do |iter|
iter.is_parameter_used("a").should == true
iter.is_parameter_used("b").should == true
end
end
end
end