/usr/lib/ruby/vendor_ruby/bacon.rb is in ruby-bacon 1.2.0-3.
This file is owned by root:root, with mode 0o644.
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#
# "Truth will sooner come out from error than from confusion." ---Francis Bacon
# Copyright (C) 2007, 2008, 2012 Christian Neukirchen <purl.org/net/chneukirchen>
#
# Bacon is freely distributable under the terms of an MIT-style license.
# See COPYING or http://www.opensource.org/licenses/mit-license.php.
module Bacon
VERSION = "1.2"
Counter = Hash.new(0)
ErrorLog = ""
Shared = Hash.new { |_, name|
raise NameError, "no such context: #{name.inspect}"
}
RestrictName = // unless defined? RestrictName
RestrictContext = // unless defined? RestrictContext
Backtraces = true unless defined? Backtraces
def self.summary_on_exit
return if Counter[:installed_summary] > 0
@timer = Time.now
at_exit {
handle_summary
if $!
raise $!
elsif Counter[:errors] + Counter[:failed] > 0
exit 1
end
}
Counter[:installed_summary] += 1
end
class <<self; alias summary_at_exit summary_on_exit; end
module SpecDoxOutput
def handle_specification(name)
puts spaces + name
yield
puts if Counter[:context_depth] == 1
end
def handle_requirement(description)
print "#{spaces} - #{description}"
error = yield
puts error.empty? ? "" : " [#{error}]"
end
def handle_summary
print ErrorLog if Backtraces
puts "%d specifications (%d requirements), %d failures, %d errors" %
Counter.values_at(:specifications, :requirements, :failed, :errors)
end
def spaces
" " * (Counter[:context_depth] - 1)
end
end
module TestUnitOutput
def handle_specification(name) yield end
def handle_requirement(description)
error = yield
if error.empty?
print "."
else
print error[0..0]
end
end
def handle_summary
puts "", "Finished in #{Time.now - @timer} seconds."
puts ErrorLog if Backtraces
puts "%d tests, %d assertions, %d failures, %d errors" %
Counter.values_at(:specifications, :requirements, :failed, :errors)
end
end
module TapOutput
def handle_specification(name) yield end
def handle_requirement(description)
ErrorLog.replace ""
error = yield
if error.empty?
puts "ok %-3d - %s" % [Counter[:specifications], description]
else
puts "not ok %d - %s: %s" %
[Counter[:specifications], description, error]
puts ErrorLog.strip.gsub(/^/, '# ') if Backtraces
end
end
def handle_summary
puts "1..#{Counter[:specifications]}"
puts "# %d tests, %d assertions, %d failures, %d errors" %
Counter.values_at(:specifications, :requirements, :failed, :errors)
end
end
module KnockOutput
def handle_specification(name) yield end
def handle_requirement(description)
ErrorLog.replace ""
error = yield
if error.empty?
puts "ok - %s" % [description]
else
puts "not ok - %s: %s" % [description, error]
puts ErrorLog.strip.gsub(/^/, '# ') if Backtraces
end
end
def handle_summary; end
end
extend SpecDoxOutput # default
class Error < RuntimeError
attr_accessor :count_as
def initialize(count_as, message)
@count_as = count_as
super message
end
end
class Context
attr_reader :name, :block
def initialize(name, &block)
@name = name
@before, @after = [], []
@block = block
end
def run
return unless name =~ RestrictContext
Counter[:context_depth] += 1
Bacon.handle_specification(name) { instance_eval(&block) }
Counter[:context_depth] -= 1
self
end
def before(&block); @before << block; end
def after(&block); @after << block; end
def behaves_like(*names)
names.each { |name| instance_eval(&Shared[name]) }
end
def it(description, &block)
return unless description =~ RestrictName
block ||= lambda { should.flunk "not implemented" }
Counter[:specifications] += 1
run_requirement description, block
end
def should(*args, &block)
if Counter[:depth]==0
it('should '+args.first,&block)
else
super(*args,&block)
end
end
def run_requirement(description, spec)
Bacon.handle_requirement description do
begin
Counter[:depth] += 1
rescued = false
begin
@before.each { |block| instance_eval(&block) }
prev_req = Counter[:requirements]
instance_eval(&spec)
rescue Object => e
rescued = true
raise e
ensure
if Counter[:requirements] == prev_req and not rescued
raise Error.new(:missing,
"empty specification: #{@name} #{description}")
end
begin
@after.each { |block| instance_eval(&block) }
rescue Object => e
raise e unless rescued
end
end
rescue Object => e
ErrorLog << "#{e.class}: #{e.message}\n"
e.backtrace.find_all { |line| line !~ /bin\/bacon|\/bacon\.rb:\d+/ }.
each_with_index { |line, i|
ErrorLog << "\t#{line}#{i==0 ? ": #@name - #{description}" : ""}\n"
}
ErrorLog << "\n"
if e.kind_of? Error
Counter[e.count_as] += 1
e.count_as.to_s.upcase
else
Counter[:errors] += 1
"ERROR: #{e.class}"
end
else
""
ensure
Counter[:depth] -= 1
end
end
end
def describe(*args, &block)
context = Bacon::Context.new(args.join(' '), &block)
(parent_context = self).methods(false).each {|e|
class<<context; self end.send(:define_method, e) {|*args| parent_context.send(e, *args)}
}
@before.each { |b| context.before(&b) }
@after.each { |b| context.after(&b) }
context.run
end
def raise?(*args, &block); block.raise?(*args); end
def throw?(*args, &block); block.throw?(*args); end
def change?(&block); lambda{}.change?(&block); end
end
end
class Object
def true?; false; end
def false?; false; end
end
class TrueClass
def true?; true; end
end
class FalseClass
def false?; true; end
end
class Proc
def raise?(*exceptions)
call
rescue *(exceptions.empty? ? RuntimeError : exceptions) => e
e
else
false
end
def throw?(sym)
catch(sym) {
call
return false
}
return true
end
def change?
pre_result = yield
call
post_result = yield
pre_result != post_result
end
end
class Numeric
def close?(to, delta)
(to.to_f - self).abs <= delta.to_f rescue false
end
end
class Object
def should(*args, &block) Should.new(self).be(*args, &block) end
end
module Kernel
private
def describe(*args, &block) Bacon::Context.new(args.join(' '), &block).run end
def shared(name, &block) Bacon::Shared[name] = block end
end
class Should
# Kills ==, ===, =~, eql?, equal?, frozen?, instance_of?, is_a?,
# kind_of?, nil?, respond_to?, tainted?
instance_methods.each { |name| undef_method name if name =~ /\?|^\W+$/ }
def initialize(object)
@object = object
@negated = false
end
def not(*args, &block)
@negated = !@negated
if args.empty?
self
else
be(*args, &block)
end
end
def be(*args, &block)
if args.empty?
self
else
block = args.shift unless block_given?
satisfy(*args, &block)
end
end
alias a be
alias an be
def satisfy(description="", &block)
r = yield(@object)
if Bacon::Counter[:depth] > 0
Bacon::Counter[:requirements] += 1
raise Bacon::Error.new(:failed, description) unless @negated ^ r
r
else
@negated ? !r : !!r
end
end
def method_missing(name, *args, &block)
name = "#{name}?" if name.to_s =~ /\w[^?]\z/
desc = @negated ? "not " : ""
desc << @object.inspect << "." << name.to_s
desc << "(" << args.map{|x|x.inspect}.join(", ") << ") failed"
satisfy(desc) { |x| x.__send__(name, *args, &block) }
end
def equal(value) self == value end
def match(value) self =~ value end
def identical_to(value) self.equal? value end
alias same_as identical_to
def flunk(reason="Flunked")
raise Bacon::Error.new(:failed, reason)
end
end
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