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
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
|
require 'minitest/unit'
require 'pp'
module Test
module Unit
module Assertions
include MiniTest::Assertions
def mu_pp(obj) #:nodoc:
obj.pretty_inspect.chomp
end
UNASSIGNED = Object.new # :nodoc:
# :call-seq:
# assert( test, failure_message = UNASSIGNED )
#
#Tests if +test+ is true.
#
#+msg+ may be a String or a Proc. If +msg+ is a String, it will be used
#as the failure message. Otherwise, the result of calling +msg+ will be
#used as the message if the assertion fails.
#
#If no +msg+ is given, a default message will be used.
#
# assert(false, "This was expected to be true")
def assert(test, msg = UNASSIGNED)
case msg
when UNASSIGNED
msg = nil
when String, Proc
else
bt = caller.reject { |s| s.rindex(MiniTest::MINI_DIR, 0) }
raise ArgumentError, "assertion message must be String or Proc, but #{msg.class} was given.", bt
end
super
end
# :call-seq:
# assert_block( failure_message = nil )
#
#Tests the result of the given block. If the block does not return true,
#the assertion will fail. The optional +failure_message+ argument is the same as in
#Assertions#assert.
#
# assert_block do
# [1, 2, 3].any? { |num| num < 1 }
# end
def assert_block(*msgs)
assert yield, *msgs
end
# :call-seq:
# assert_raise( *args, &block )
#
#Tests if the given block raises an exception. Acceptable exception
#types maye be given as optional arguments. If the last argument is a
#String, it will be used as the error message.
#
# assert_raise do #Fails, no Exceptions are raised
# end
#
# assert_raise NameError do
# puts x #Raises NameError, so assertion succeeds
# end
def assert_raise(*args, &b)
assert_raises(*args, &b)
end
# :call-seq:
# assert_nothing_raised( *args, &block )
#
#If any exceptions are given as arguments, the assertion will
#fail if one of those exceptions are raised. Otherwise, the test fails
#if any exceptions are raised.
#
#The final argument may be a failure message.
#
# assert_nothing_raised RuntimeError do
# raise Exception #Assertion passes, Exception is not a RuntimeError
# end
#
# assert_nothing_raised do
# raise Exception #Assertion fails
# end
def assert_nothing_raised(*args)
self._assertions += 1
if Module === args.last
msg = nil
else
msg = args.pop
end
begin
line = __LINE__; yield
rescue MiniTest::Skip
raise
rescue Exception => e
bt = e.backtrace
as = e.instance_of?(MiniTest::Assertion)
if as
ans = /\A#{Regexp.quote(__FILE__)}:#{line}:in /o
bt.reject! {|ln| ans =~ ln}
end
if ((args.empty? && !as) ||
args.any? {|a| a.instance_of?(Module) ? e.is_a?(a) : e.class == a })
msg = message(msg) { "Exception raised:\n<#{mu_pp(e)}>" }
raise MiniTest::Assertion, msg.call, bt
else
raise
end
end
nil
end
# :call-seq:
# assert_nothing_thrown( failure_message = nil, &block )
#
#Fails if the given block uses a call to Kernel#throw.
#
#An optional failure message may be provided as the final argument.
#
# assert_nothing_thrown "Something was thrown!" do
# throw :problem?
# end
def assert_nothing_thrown(msg=nil)
begin
yield
rescue ArgumentError => error
raise error if /\Auncaught throw (.+)\z/m !~ error.message
msg = message(msg) { "<#{$1}> was thrown when nothing was expected" }
flunk(msg)
end
assert(true, "Expected nothing to be thrown")
end
# :call-seq:
# assert_equal( expected, actual, failure_message = nil )
#
#Tests if +expected+ is equal to +actual+.
#
#An optional failure message may be provided as the final argument.
def assert_equal(exp, act, msg = nil)
msg = message(msg) {
exp_str = mu_pp(exp)
act_str = mu_pp(act)
exp_comment = ''
act_comment = ''
if exp_str == act_str
if (exp.is_a?(String) && act.is_a?(String)) ||
(exp.is_a?(Regexp) && act.is_a?(Regexp))
exp_comment = " (#{exp.encoding})"
act_comment = " (#{act.encoding})"
elsif exp.is_a?(Float) && act.is_a?(Float)
exp_str = "%\#.#{Float::DIG+2}g" % exp
act_str = "%\#.#{Float::DIG+2}g" % act
elsif exp.is_a?(Time) && act.is_a?(Time)
if exp.subsec * 1000_000_000 == exp.nsec
exp_comment = " (#{exp.nsec}[ns])"
else
exp_comment = " (subsec=#{exp.subsec})"
end
if act.subsec * 1000_000_000 == act.nsec
act_comment = " (#{act.nsec}[ns])"
else
act_comment = " (subsec=#{act.subsec})"
end
elsif exp.class != act.class
# a subclass of Range, for example.
exp_comment = " (#{exp.class})"
act_comment = " (#{act.class})"
end
elsif !Encoding.compatible?(exp_str, act_str)
if exp.is_a?(String) && act.is_a?(String)
exp_str = exp.dump
act_str = act.dump
exp_comment = " (#{exp.encoding})"
act_comment = " (#{act.encoding})"
else
exp_str = exp_str.dump
act_str = act_str.dump
end
end
"<#{exp_str}>#{exp_comment} expected but was\n<#{act_str}>#{act_comment}"
}
assert(exp == act, msg)
end
# :call-seq:
# assert_not_nil( expression, failure_message = nil )
#
#Tests if +expression+ is not nil.
#
#An optional failure message may be provided as the final argument.
def assert_not_nil(exp, msg=nil)
msg = message(msg) { "<#{mu_pp(exp)}> expected to not be nil" }
assert(!exp.nil?, msg)
end
# :call-seq:
# assert_not_equal( expected, actual, failure_message = nil )
#
#Tests if +expected+ is not equal to +actual+.
#
#An optional failure message may be provided as the final argument.
def assert_not_equal(exp, act, msg=nil)
msg = message(msg) { "<#{mu_pp(exp)}> expected to be != to\n<#{mu_pp(act)}>" }
assert(exp != act, msg)
end
# :call-seq:
# assert_no_match( regexp, string, failure_message = nil )
#
#Tests if the given Regexp does not match a given String.
#
#An optional failure message may be provided as the final argument.
def assert_no_match(regexp, string, msg=nil)
assert_instance_of(Regexp, regexp, "The first argument to assert_no_match should be a Regexp.")
self._assertions -= 1
msg = message(msg) { "<#{mu_pp(regexp)}> expected to not match\n<#{mu_pp(string)}>" }
assert(regexp !~ string, msg)
end
# :call-seq:
# assert_not_same( expected, actual, failure_message = nil )
#
#Tests if +expected+ is not the same object as +actual+.
#This test uses Object#equal? to test equality.
#
#An optional failure message may be provided as the final argument.
#
# assert_not_same("x", "x") #Succeeds
def assert_not_same(expected, actual, message="")
msg = message(msg) { build_message(message, <<EOT, expected, expected.__id__, actual, actual.__id__) }
<?>
with id <?> expected to not be equal\\? to
<?>
with id <?>.
EOT
assert(!actual.equal?(expected), msg)
end
# :call-seq:
# assert_respond_to( object, method, failure_message = nil )
#
#Tests if the given Object responds to +method+.
#
#An optional failure message may be provided as the final argument.
#
# assert_respond_to("hello", :reverse) #Succeeds
# assert_respond_to("hello", :does_not_exist) #Fails
def assert_respond_to obj, meth, msg = nil
#get rid of overcounting
super if !caller[0].rindex(MiniTest::MINI_DIR, 0) || !obj.respond_to?(meth)
end
# :call-seq:
# assert_send( +send_array+, failure_message = nil )
#
# Passes if the method send returns a true value.
#
# +send_array+ is composed of:
# * A receiver
# * A method
# * Arguments to the method
#
# Example:
# assert_send([[1, 2], :member?, 1]) # -> pass
# assert_send([[1, 2], :member?, 4]) # -> fail
def assert_send send_ary, m = nil
recv, msg, *args = send_ary
m = message(m) {
if args.empty?
argsstr = ""
else
(argsstr = mu_pp(args)).sub!(/\A\[(.*)\]\z/m, '\1')
end
"Expected #{mu_pp(recv)}.#{msg}#{argsstr} to return false"
}
assert recv.__send__(msg, *args), m
end
# :call-seq:
# assert_not_send( +send_array+, failure_message = nil )
#
# Passes if the method send doesn't return a true value.
#
# +send_array+ is composed of:
# * A receiver
# * A method
# * Arguments to the method
#
# Example:
# assert_not_send([[1, 2], :member?, 1]) # -> fail
# assert_not_send([[1, 2], :member?, 4]) # -> pass
def assert_not_send send_ary, m = nil
recv, msg, *args = send_ary
m = message(m) {
if args.empty?
argsstr = ""
else
(argsstr = mu_pp(args)).sub!(/\A\[(.*)\]\z/m, '\1')
end
"Expected #{mu_pp(recv)}.#{msg}#{argsstr} to return false"
}
assert !recv.__send__(msg, *args), m
end
ms = instance_methods(true).map {|sym| sym.to_s }
ms.grep(/\Arefute_/) do |m|
mname = ('assert_not_' << m.to_s[/.*?_(.*)/, 1])
alias_method(mname, m) unless ms.include? mname
end
alias assert_include assert_includes
alias assert_not_include assert_not_includes
def build_message(head, template=nil, *arguments) #:nodoc:
template &&= template.chomp
template.gsub(/\?/) { mu_pp(arguments.shift) }
end
end
end
end
|