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
|
# frozen_string_literal: true
require "readline" unless defined?(Readline)
require "pry/input_completer"
def completer_test(bind, pry = nil, assert_flag = true)
test = proc do |symbol|
input = pry || Readline
input_completer = Pry::InputCompleter.new(input, pry)
completions = input_completer.call(symbol[0..-2], target: Pry.binding_for(bind))
expect(completions.include?(symbol)).to eq(assert_flag)
end
proc { |*symbols| symbols.each(&test) }
end
describe Pry::InputCompleter do
before do
# The AMQP gem has some classes like this:
# pry(main)> AMQP::Protocol::Test::ContentOk.name
# => :content_ok
module SymbolyName
def self.name
:symboly_name
end
end
@before_completer = Pry.config.completer
Pry.config.completer = Pry::InputCompleter
end
after do
Pry.config.completer = @before_completer
Object.remove_const :SymbolyName
end
it "should not crash if there's a Module that has a symbolic name." do
skip unless Pry::Helpers::Platform.jruby?
expect do
Pry::InputCompleter.new(Readline).call(
"a.to_s.", target: Pry.binding_for(Object.new)
)
end.not_to raise_error
end
it 'should take parenthesis and other characters into account for symbols' do
expect do
Pry::InputCompleter.new(Readline).call(
":class)", target: Pry.binding_for(Object.new)
)
end.not_to raise_error
end
it 'should complete instance variables' do
object = Class.new.new
# set variables in appropriate scope
object.instance_variable_set(:'@name', 'Pry')
object.class.send(:class_variable_set, :'@@number', 10)
# check to see if variables are in scope
expect(object.instance_variables
.map(&:to_sym)
.include?(:'@name')).to eq true
expect(object.class.class_variables
.map(&:to_sym)
.include?(:'@@number')).to eq true
# Complete instance variables.
b = Pry.binding_for(object)
completer_test(b).call('@name', '@name.downcase')
# Complete class variables.
b = Pry.binding_for(object.class)
completer_test(b).call('@@number', '@@number.class')
end
it 'should complete for stdlib symbols' do
o = Object.new
# Regexp
completer_test(o).call('/foo/.extend')
# Array
completer_test(o).call('[1].push')
# Hash
completer_test(o).call('{"a" => "b"}.keys')
# Proc
completer_test(o).call('{2}.call')
# Symbol
completer_test(o).call(':symbol.to_s')
# Absolute Constant
completer_test(o).call('::IndexError')
end
it 'should complete for target symbols' do
o = Object.new
# Constant
module Mod
remove_const :CON if defined? CON
CON = 'Constant'.freeze
module Mod2
end
end
completer_test(Mod).call('CON')
# Constants or Class Methods
completer_test(o).call('Mod::CON')
# Symbol
_foo = :symbol
completer_test(o).call(':symbol')
# Variables
class << o
attr_accessor :foo
end
o.foo = 'bar'
completer_test(binding).call('o.foo')
# trailing slash
expect(Pry::InputCompleter.new(Readline).call('Mod2/', target: Pry.binding_for(Mod))
.include?('Mod2/')).to eq(true)
end
it 'should complete for arbitrary scopes' do
module Bar
@barvar = :bar
end
module Baz
remove_const :CON if defined? CON
@bar = Bar
@bazvar = :baz
CON = :constant
end
pry = Pry.new(target: Baz)
pry.push_binding(Bar)
b = Pry.binding_for(Bar)
completer_test(b, pry).call("../@bazvar")
completer_test(b, pry).call('/CON')
end
it 'should complete for stdlib symbols' do
o = Object.new
# Regexp
completer_test(o).call('/foo/.extend')
# Array
completer_test(o).call('[1].push')
# Hash
completer_test(o).call('{"a" => "b"}.keys')
# Proc
completer_test(o).call('{2}.call')
# Symbol
completer_test(o).call(':symbol.to_s')
# Absolute Constant
completer_test(o).call('::IndexError')
end
it 'should complete for target symbols' do
o = Object.new
# Constant
module Mod
remove_const :CON if defined? CON
CON = 'Constant'.freeze
module Mod2
end
end
completer_test(Mod).call('CON')
# Constants or Class Methods
completer_test(o).call('Mod::CON')
# Symbol
_foo = :symbol
completer_test(o).call(':symbol')
# Variables
class << o
attr_accessor :foo
end
o.foo = 'bar'
completer_test(binding).call('o.foo')
# trailing slash
expect(Pry::InputCompleter.new(Readline).call('Mod2/', target: Pry.binding_for(Mod))
.include?('Mod2/')).to eq(true)
end
it 'should complete for arbitrary scopes' do
module Bar
@barvar = :bar
end
module Baz
remove_const :CON if defined? CON
@bar = Bar
@bazvar = :baz
CON = :constant
end
pry = Pry.new(target: Baz)
pry.push_binding(Bar)
b = Pry.binding_for(Bar)
completer_test(b, pry).call("../@bazvar")
completer_test(b, pry).call('/CON')
end
it 'should not return nil in its output' do
pry = Pry.new
expect(Pry::InputCompleter.new(Readline, pry).call("pry.", target: binding))
.not_to include nil
end
it 'completes expressions with all available methods' do
completer_test(self).call("[].size.chars")
end
it 'does not offer methods from restricted modules' do
require 'irb'
completer_test(self, nil, false).call("[].size.parse_printf_format")
end
unless Pry::Helpers::Platform.jruby?
# Classes that override .hash are still hashable in JRuby, for some reason.
it 'ignores methods from modules that override Object#hash incompatibly' do
require 'irb'
m = Module.new do
def self.hash; end
def aaaa; end
end
completer_test(m, nil, false).call("[].size.aaaa")
end
end
end
|
