325 lines
11 KiB
Ruby
325 lines
11 KiB
Ruby
require 'minitest/unit'
|
|
require 'pp'
|
|
|
|
module Test
|
|
module Unit
|
|
module Assertions
|
|
include MiniTest::Assertions
|
|
|
|
def mu_pp(obj) #:nodoc:
|
|
obj.pretty_inspect.chomp
|
|
end
|
|
|
|
MINI_DIR = File.join(File.dirname(File.dirname(File.expand_path(__FILE__))), "minitest") #:nodoc:
|
|
|
|
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(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(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 true"
|
|
}
|
|
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(/\G((?:[^\\]|\\.)*?)(\\)?\?/) { $1 + ($2 ? "?" : mu_pp(arguments.shift)) }
|
|
end
|
|
end
|
|
end
|
|
end
|