-
-
Notifications
You must be signed in to change notification settings - Fork 920
/
test_backtraces.rb
301 lines (273 loc) · 6.87 KB
/
test_backtraces.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
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
298
299
300
301
require 'java'
require 'test/unit'
# Unit and regression tests for backtraces.
# Note: The tests follow MRI 1.8.6 behavior.
# Behavior of MRI 1.9 is different:
# http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/15589
class TestBacktraces < Test::Unit::TestCase
def setup
@offset = nil
end
# Convenience method to obtain the exception,
# and to print the stack trace, if needed.
def get_exception(verbose=false)
begin
@get_exception_yield_line = __LINE__ + 1
yield
rescue Exception => ex
puts ex.backtrace.join("\n") if verbose
ex
end
end
# Main verification method that performs actual checks
# on the stacktraces.
def check(expectations, exception)
backtrace = []
expectations.strip.split("\n").each { |line|
line.strip!
# if line starts with +nnn, we prepend
# the current file and offset
md = line.match(/^\+(\d+)(:.*)/)
if (md)
flunk("@offset is not defined in the test case") unless @offset
line = "#{__FILE__}:#{$1.to_i + @offset}#{$2}"
end
backtrace << line.strip
}
backtrace.each_with_index { |expected, idx|
assert_equal(expected, exception.backtrace[idx])
}
end
def test_simple_exception
@offset = __LINE__
raise RuntimeError.new("Test")
rescue Exception => ex
expectation = "+1:in `test_simple_exception'"
check(expectation, ex)
end
import org.jruby.test.TestHelper
def test_java_backtrace
TestHelper.throwTestHelperException
rescue NativeException => ex
backtrace = ex.backtrace.join("\r\n")
if (!backtrace.include?("throwTestHelperException"))
flunk("test_java_backtrace not in backtrace")
end
end
def test_simple_exception_recursive
@offset = __LINE__
def meth(n)
raise RuntimeError.new("Test") if n == 10
n += 1
meth(n)
end
meth(0)
rescue Exception => ex
expectation = %q{
+2:in `meth'
+4:in `meth'
+6:in `test_simple_exception_recursive'
}
check(expectation, ex)
end
def test_native_exception_recursive
@offset = __LINE__
def meth(n)
raise "hello".sub(/l/, 5) if n == 10
n += 1
meth(n)
end
meth(0)
rescue Exception => ex
expectation = %q{
+2:in `sub'
+2:in `meth'
+4:in `meth'
+6:in `test_native_exception_recursive'
}
check(expectation, ex)
end
def test_exception_from_block
@offset = __LINE__
def foo
yield
end
def bar
yield
end
foo { bar { raise TypeError.new("HEH") } }
rescue Exception => ex
expectation = %q{
+7:in `test_exception_from_block'
+5:in `bar'
+7:in `test_exception_from_block'
+2:in `foo'
+7:in `test_exception_from_block'
}
check(expectation, ex)
end
def test_exception_from_for
array = [1,2,3,4,5]
@offset = __LINE__
for element in array
raise RuntimeError
end
rescue Exception => ex
expectation = %q{
+2:in `test_exception_from_for'
+1:in `each'
+1:in `test_exception_from_for'
}
check(expectation, ex)
end
def test_exception_from_proc
p = Proc.new {
@offset = __LINE__
raise StandardError.new
}
p.call
rescue Exception => ex
expectation = %q{
+1:in `test_exception_from_proc'
+3:in `call'
+3:in `test_exception_from_proc'
}
check(expectation, ex)
end
def test_exception_from_lambda
l = lambda {
@offset = __LINE__
raise StandardError.new
}
l.call
rescue Exception => ex
expectation = %q{
+1:in `test_exception_from_lambda'
+3:in `call'
+3:in `test_exception_from_lambda'
}
check(expectation, ex)
end
# TODO: currently fails
def XXXtest_exception_from_array_plus
@offset = __LINE__
[1,2,3] + 5
rescue Exception => ex
expectation = %q{
+1:in `+'
+1:in `test_exception_from_array_plus'
}
check(expectation, ex)
end
# JRUBY-2138
# # TODO: currently fails
def XXXtest_exception_from_string_plus
@offset = __LINE__
"hello" + nil
rescue Exception => ex
expectation = %q{
+1:in `+'
+1:in `test_exception_from_string_plus'
}
check(expectation, ex)
end
def test_exception_from_string_sub
@offset = __LINE__
"hello".sub(/l/, 5)
rescue Exception => ex
expectation = %q{
+1:in `sub'
+1:in `test_exception_from_string_sub'
}
check(expectation, ex)
end
# TODO: currently fails
def XXXtest_zero_devision_exception
@offset = __LINE__
1/0
rescue Exception => ex
expectation = %q{
+1:in `/'
+1:in `test_zero_devision_exception'
}
check(expectation, ex)
end
# TODO: currently fails
def XXXtest_exeption_from_object_send
@offset = __LINE__
"hello".__send__(:sub, /l/, 5)
rescue Exception => ex
expectation = %q{
+1:in `sub'
+1:in `__send__'
+1:in `test_exeption_from_object_send'
}
check(expectation, ex)
end
# TODO: currently fails
def XXXtest_arity_exception
@offset = __LINE__
"hello".sub
rescue Exception => ex
expectation = "+1:in `sub'"
check(expectation, ex)
end
# TODO: currently fails
def XXXtest_exception_from_eval
ex = get_exception {
@offset = __LINE__
eval("raise RuntimeError.new")
}
expectation = %Q{
+1:in `test_exception_from_eval'
#{__FILE__}:#{@get_exception_yield_line}:in `eval'
+1:in `test_exception_from_eval'
#{__FILE__}:#{@get_exception_yield_line}:in `get_exception'
}
check(expectation, ex)
end
# TODO: currently fails
def XXXtest_exception_from_block_inside_eval
ex = get_exception {
@offset = __LINE__
eval("def foo; yield; end; foo { raise RuntimeError.new }")
}
expectation = %Q{
+1:in `test_exception_from_block_inside_eval'
(eval):1:in `foo'
(eval):1:in `test_exception_from_block_inside_eval'
#{__FILE__}:#{@get_exception_yield_line}:in `eval'
+1:in `test_exception_from_block_inside_eval'
#{__FILE__}:#{@get_exception_yield_line}:in `get_exception'
}
check(expectation, ex)
end
# JRUBY-2695
def test_exception_from_thread_with_abort_on_exception_true
require 'stringio'
$stderr = StringIO.new
Thread.abort_on_exception = true
ex = get_exception {
@offset = __LINE__
t = Thread.new do
raise RuntimeError.new "DUMMY_MSG"
end
sleep 3
t.join
}
assert_match(
/test_backtraces.rb:#{@offset + 2}.*DUMMY_MSG.*RuntimeError/,
$stderr.string
)
assert_equal(SystemExit, ex.class)
# This check is not fully MRI-compatible (MRI reports more frames),
# but at list this is something.
expectation = %Q{
+2:in `test_exception_from_thread_with_abort_on_exception_true'
}
check(expectation, ex)
ensure
Thread.abort_on_exception = false
$stderr = STDERR
end
end