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
|
# frozen_string_literal: true
require "pty" unless RUBY_ENGINE == 'truffleruby'
require "tempfile"
require "tmpdir"
require_relative "helper"
module TestIRB
class DebugCommandTestCase < TestCase
IRB_AND_DEBUGGER_OPTIONS = {
"RUBY_DEBUG_NO_RELINE" => "true", "NO_COLOR" => "true", "RUBY_DEBUG_HISTORY_FILE" => ''
}
def test_backtrace
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'RUBY'
def foo
binding.irb
end
foo
RUBY
output = run_ruby_file do
type "backtrace"
type "q!"
end
assert_match(/\(rdbg:irb\) backtrace/, output)
assert_match(/Object#foo at #{@ruby_file.to_path}/, output)
end
def test_debug
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'ruby'
binding.irb
puts "hello"
ruby
output = run_ruby_file do
type "debug"
type "next"
type "continue"
end
assert_match(/\(rdbg\) next/, output)
assert_match(/=> 2\| puts "hello"/, output)
end
def test_next
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'ruby'
binding.irb
puts "hello"
ruby
output = run_ruby_file do
type "next"
type "continue"
end
assert_match(/\(rdbg:irb\) next/, output)
assert_match(/=> 2\| puts "hello"/, output)
end
def test_break
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'RUBY'
binding.irb
puts "Hello"
RUBY
output = run_ruby_file do
type "break 2"
type "continue"
type "continue"
end
assert_match(/\(rdbg:irb\) break/, output)
assert_match(/=> 2\| puts "Hello"/, output)
end
def test_delete
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'RUBY'
binding.irb
puts "Hello"
binding.irb
puts "World"
RUBY
output = run_ruby_file do
type "break 4"
type "continue"
type "delete 0"
type "continue"
end
assert_match(/\(rdbg:irb\) delete/, output)
assert_match(/deleted: #0 BP - Line/, output)
end
def test_step
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'RUBY'
def foo
puts "Hello"
end
binding.irb
foo
RUBY
output = run_ruby_file do
type "step"
type "continue"
end
assert_match(/\(rdbg:irb\) step/, output)
assert_match(/=> 2| puts "Hello"/, output)
end
def test_continue
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'RUBY'
binding.irb
puts "Hello"
binding.irb
puts "World"
RUBY
output = run_ruby_file do
type "continue"
type "continue"
end
assert_match(/\(rdbg:irb\) continue/, output)
assert_match(/=> 3: binding.irb/, output)
end
def test_finish
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'RUBY'
def foo
binding.irb
puts "Hello"
end
foo
RUBY
output = run_ruby_file do
type "finish"
type "continue"
end
assert_match(/\(rdbg:irb\) finish/, output)
assert_match(/=> 4\| end/, output)
end
def test_info
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'RUBY'
def foo
a = "He" + "llo"
binding.irb
end
foo
RUBY
output = run_ruby_file do
type "info"
type "continue"
end
assert_match(/\(rdbg:irb\) info/, output)
assert_match(/%self = main/, output)
assert_match(/a = "Hello"/, output)
end
def test_catch
omit if RUBY_ENGINE == 'truffleruby'
write_ruby <<~'RUBY'
binding.irb
1 / 0
RUBY
output = run_ruby_file do
type "catch ZeroDivisionError"
type "continue"
type "continue"
end
assert_match(/\(rdbg:irb\) catch/, output)
assert_match(/Stop by #0 BP - Catch "ZeroDivisionError"/, output)
end
private
def run_ruby_file(&block)
cmd = "ruby -Ilib #{@ruby_file.to_path}"
tmp_dir = Dir.mktmpdir
rc_file = File.open(File.join(tmp_dir, ".irbrc"), "w+")
rc_file.write("IRB.conf[:USE_SINGLELINE] = true")
rc_file.close
@commands = []
lines = []
yield
PTY.spawn(IRB_AND_DEBUGGER_OPTIONS.merge("IRBRC" => rc_file.to_path), cmd) do |read, write, pid|
Timeout.timeout(3) do
while line = safe_gets(read)
lines << line
# means the breakpoint is triggered
if line.match?(/binding\.irb/)
while command = @commands.shift
write.puts(command)
end
end
end
end
end
lines.join
rescue Timeout::Error
message = <<~MSG
Test timedout.
#{'=' * 30} OUTPUT #{'=' * 30}
#{lines.map { |l| " #{l}" }.join}
#{'=' * 27} END OF OUTPUT #{'=' * 27}
MSG
assert_block(message) { false }
ensure
File.unlink(@ruby_file) if @ruby_file
FileUtils.remove_entry tmp_dir
end
# read.gets could raise exceptions on some platforms
# https://github.com/ruby/ruby/blob/master/ext/pty/pty.c#L729-L736
def safe_gets(read)
read.gets
rescue Errno::EIO
nil
end
def type(command)
@commands << command
end
def write_ruby(program)
@ruby_file = Tempfile.create(%w{irb- .rb})
@ruby_file.write(program)
@ruby_file.close
end
end
end
|
