blob: 138b9b1a4f26c12fcb60d934eb13fc60f0df5fa3 (
plain)
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
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
|
# frozen_string_literal: true
describe Pry::WrappedModule do
describe "#initialize" do
it "should raise an exception when a non-module is passed" do
expect { Pry::WrappedModule.new(nil) }.to raise_error ArgumentError
end
end
describe "candidates" do
class Host
%w[spec/fixtures/candidate_helper1.rb
spec/fixtures/candidate_helper2.rb].each do |file|
binding.eval(File.read(file), file, 1) # rubocop:disable Security/Eval
end
# rank 2
class CandidateTest
def test6; end
end
class PitifullyBlank
DEFAULT_TEST = CandidateTest
end
FOREVER_ALONE_LINE = __LINE__ + 1
class ForeverAlone
class DoublyNested
# nested docs
class TriplyNested
def nested_method; end
end
end
end
end
describe "number_of_candidates" do
it 'should return the correct number of candidates' do
expect(Pry::WrappedModule(Host::CandidateTest).number_of_candidates).to eq 3
end
it 'should return 0 candidates for a class with no nested modules or methods' do
expect(Pry::WrappedModule(Host::PitifullyBlank).number_of_candidates).to eq 0
end
it 'should return 1 candidate for a class with a nested module with methods' do
expect(Pry::WrappedModule(Host::ForeverAlone).number_of_candidates).to eq 1
end
end
describe "ordering of candidates" do
it 'should return class with largest number of methods as primary candidate' do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(0).file)
.to match(/helper1/)
end
it(
'returns class with second largest number of methods as second ranked candidate'
) do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(1).file)
.to match(/helper2/)
end
it 'returns class with third largest number of methods as third ranked candidate' do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(2).file)
.to match(/#{__FILE__}/)
end
it 'should raise when trying to access non-existent candidate' do
expect { Pry::WrappedModule(Host::CandidateTest).candidate(3) }
.to raise_error Pry::CommandError
end
end
describe "source_location" do
it 'should return primary candidates source_location by default' do
wm = Pry::WrappedModule(Host::CandidateTest)
expect(wm.source_location).to eq wm.candidate(0).source_location
end
it 'returns the location of the outer module if an inner module has methods' do
wm = Pry::WrappedModule(Host::ForeverAlone)
expect(File.expand_path(wm.source_location.first))
.to eq File.expand_path(__FILE__)
expect(wm.source_location.last).to eq Host::FOREVER_ALONE_LINE
end
it 'should return nil if no source_location can be found' do
expect(Pry::WrappedModule(Host::PitifullyBlank).source_location).to eq nil
end
end
describe "source" do
it 'should return primary candidates source by default' do
wm = Pry::WrappedModule(Host::CandidateTest)
expect(wm.source).to eq wm.candidate(0).source
end
it 'should return source for highest ranked candidate' do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(0).source)
.to match(/test1/)
end
it 'should return source for second ranked candidate' do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(1).source)
.to match(/test4/)
end
it 'should return source for third ranked candidate' do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(2).source)
.to match(/test6/)
end
it 'should return source for deeply nested class' do
expect(Pry::WrappedModule(Host::ForeverAlone::DoublyNested::TriplyNested).source)
.to match(/nested_method/)
mod = Pry::WrappedModule(Host::ForeverAlone::DoublyNested::TriplyNested)
expect(mod.source.lines.count).to eq(3)
end
end
describe "doc" do
it 'should return primary candidates doc by default' do
wm = Pry::WrappedModule(Host::CandidateTest)
expect(wm.doc).to eq wm.candidate(0).doc
end
it 'should return doc for highest ranked candidate' do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(0).doc)
.to match(/rank 0/)
end
it 'should return doc for second ranked candidate' do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(1).doc)
.to match(/rank 1/)
end
it 'should return doc for third ranked candidate' do
expect(Pry::WrappedModule(Host::CandidateTest).candidate(2).doc)
.to match(/rank 2/)
end
it 'should return docs for deeply nested class' do
expect(Pry::WrappedModule(Host::ForeverAlone::DoublyNested::TriplyNested).doc)
.to match(/nested docs/)
end
end
end
describe ".method_prefix" do
before do
Foo = Class.new
@foo = Foo.new
end
after do
Object.remove_const(:Foo)
end
it "should return Foo# for normal classes" do
expect(Pry::WrappedModule.new(Foo).method_prefix).to eq "Foo#"
end
it "should return Bar# for modules" do
expect(Pry::WrappedModule.new(Kernel).method_prefix).to eq "Kernel#"
end
it "should return Foo. for singleton classes of classes" do
expect(Pry::WrappedModule.new(class << Foo; self; end).method_prefix).to eq "Foo."
end
example "of singleton classes of objects" do
expect(Pry::WrappedModule.new(class << @foo; self; end).method_prefix).to eq "self."
end
example "of anonymous classes should not be empty" do
expect(Pry::WrappedModule.new(Class.new).method_prefix).to match(/#<Class:.*>#/)
end
example "of singleton classes of anonymous classes should not be empty" do
expect(Pry::WrappedModule.new(class << Class.new; self; end).method_prefix)
.to match(/#<Class:.*>./)
end
end
describe ".singleton_class?" do
it "should be true for singleton classes" do
mod = Pry::WrappedModule.new(class << Object.new; self; end)
expect(mod).to be_singleton_class
end
it "should be false for normal classes" do
expect(Pry::WrappedModule.new(Class.new).singleton_class?).to eq false
end
it "should be false for modules" do
expect(Pry::WrappedModule.new(Module.new).singleton_class?).to eq false
end
end
describe ".singleton_instance" do
it "should raise an exception when called on a non-singleton-class" do
expect { Pry::WrappedModule.new(Class).singleton_instance }
.to raise_error ArgumentError
end
it "should return the attached object" do
instance = Object.new
mod = class << instance; self; end
expect(Pry::WrappedModule.new(mod).singleton_instance).to eq(instance)
klass = class << Object; self; end
expect(Pry::WrappedModule.new(klass).singleton_instance).to equal(Object)
end
end
describe ".super" do
describe "receiver is a class" do
before do
@a = Class.new
@m = Module.new
@b = Class.new(@a)
@b.send(:include, @m)
@c = Class.new(@b)
end
it 'should return superclass for a wrapped class' do
expect(Pry::WrappedModule(@c).super.wrapped).to eq @b
end
it 'should return nth superclass for a wrapped class' do
d = Class.new(@c)
expect(Pry::WrappedModule(d).super(2).wrapped).to eq @b
end
it 'should ignore modules when retrieving nth superclass' do
expect(Pry::WrappedModule(@c).super(2).wrapped).to eq @a
end
it 'should return nil when no nth superclass exists' do
expect(Pry::WrappedModule(@c).super(10)).to eq nil
end
it 'should return self when .super(0) is used' do
c = Pry::WrappedModule(@c)
expect(c.super(0)).to eq c
end
end
describe "receiver is a module" do
before do
@m1 = Module.new
@m2 = Module.new.tap { |v| v.send(:include, @m1) }
@m3 = Module.new.tap { |v| v.send(:include, @m2) }
end
it 'should not ignore modules when retrieving supers' do
expect(Pry::WrappedModule(@m3).super.wrapped).to eq @m2
end
it 'should retrieve nth super' do
expect(Pry::WrappedModule(@m3).super(2).wrapped).to eq @m1
end
it 'should return self when .super(0) is used' do
m = Pry::WrappedModule(@m1)
expect(m.super(0)).to eq m
end
end
end
describe ".from_str" do
before do
class Namespace
remove_const :Value if defined? Value
Value = Class.new
end
end
it 'should lookup a constant' do
m = Pry::WrappedModule.from_str("Namespace::Value", binding)
expect(m.wrapped).to eq Namespace::Value
end
it 'should lookup a local' do
local = Namespace::Value
m = Pry::WrappedModule.from_str("local", binding)
expect(m.wrapped).to eq local
end
it 'should lookup an ivar' do
@ivar = Namespace::Value
m = Pry::WrappedModule.from_str("@ivar", binding)
expect(m.wrapped).to eq Namespace::Value
end
end
end
|