mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
1392791a9e
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
776 lines
20 KiB
Ruby
776 lines
20 KiB
Ruby
############################################################
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# This file is imported from a different project.
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# DO NOT make modifications in this repo.
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# File a patch instead and assign it to Ryan Davis
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############################################################
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require 'optparse'
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##
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# Minimal (mostly drop-in) replacement for test-unit.
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module MiniTest
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##
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# Assertion base class
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class Assertion < Exception; end
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##
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# Assertion raised when skipping a test
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class Skip < Assertion; end
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file = if RUBY_VERSION =~ /^1\.9/ then # bt's expanded, but __FILE__ isn't :(
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File.expand_path __FILE__
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elsif __FILE__ =~ /^[^\.]/ then # assume both relative
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require 'pathname'
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pwd = Pathname.new Dir.pwd
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pn = Pathname.new File.expand_path(__FILE__)
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pn = File.join(".", pn.relative_path_from(pwd)) unless pn.relative?
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pn.to_s
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else # assume both are expanded
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__FILE__
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end
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# './lib' in project dir, or '/usr/local/blahblah' if installed
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MINI_DIR = File.dirname(File.dirname(file)) # :nodoc:
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def self.filter_backtrace bt # :nodoc:
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return ["No backtrace"] unless bt
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new_bt = []
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bt.each do |line|
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break if line.rindex(MINI_DIR, 0)
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new_bt << line
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end
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new_bt = bt.reject { |line| line.rindex(MINI_DIR, 0) } if new_bt.empty?
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new_bt = bt.dup if new_bt.empty?
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new_bt
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end
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##
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# MiniTest Assertions. All assertion methods accept a +msg+ which is
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# printed if the assertion fails.
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module Assertions
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##
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# mu_pp gives a human-readable version of +obj+. By default #inspect is
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# called. You can override this to use #pretty_print if you want.
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def mu_pp obj
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s = obj.inspect
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s = s.force_encoding(Encoding.default_external) if defined? Encoding
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s
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end
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def _assertions= n # :nodoc:
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@_assertions = n
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end
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def _assertions # :nodoc:
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@_assertions ||= 0
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end
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##
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# Fails unless +test+ is a true value.
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def assert test, msg = nil
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msg ||= "Failed assertion, no message given."
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self._assertions += 1
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unless test then
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msg = msg.call if Proc === msg
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raise MiniTest::Assertion, msg
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end
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true
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end
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##
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# Fails unless the block returns a true value.
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def assert_block msg = nil
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msg = message(msg) { "Expected block to return true value" }
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assert yield, msg
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end
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##
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# Fails unless +obj+ is empty.
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def assert_empty obj, msg = nil
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msg = message(msg) { "Expected #{obj.inspect} to be empty" }
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assert_respond_to obj, :empty?
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assert obj.empty?, msg
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end
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##
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# Fails unless <tt>exp == act</tt>.
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#
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# For floats use assert_in_delta
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def assert_equal exp, act, msg = nil
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msg = message(msg) { "Expected #{mu_pp(exp)}, not #{mu_pp(act)}" }
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assert(exp == act, msg)
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end
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##
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# For comparing Floats. Fails unless +exp+ and +act+ are within +delta+
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# of each other.
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#
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# assert_in_delta Math::PI, (22.0 / 7.0), 0.01
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def assert_in_delta exp, act, delta = 0.001, msg = nil
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n = (exp - act).abs
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msg = message(msg) { "Expected #{exp} - #{act} (#{n}) to be < #{delta}" }
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assert delta >= n, msg
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end
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##
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# For comparing Floats. Fails unless +exp+ and +act+ have a relative
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# error less than +epsilon+.
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def assert_in_epsilon a, b, epsilon = 0.001, msg = nil
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assert_in_delta a, b, [a, b].min * epsilon, msg
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end
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##
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# Fails unless +collection+ includes +obj+.
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def assert_includes collection, obj, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(collection)} to include #{mu_pp(obj)}"
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}
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assert_respond_to collection, :include?
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assert collection.include?(obj), msg
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end
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##
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# Fails unless +obj+ is an instace of +cls+.
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def assert_instance_of cls, obj, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(obj)} to be an instance of #{cls}, not #{obj.class}"
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}
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assert obj.instance_of?(cls), msg
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end
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##
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# Fails unless +obj+ is a kind of +cls+.
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def assert_kind_of cls, obj, msg = nil # TODO: merge with instance_of
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msg = message(msg) {
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"Expected #{mu_pp(obj)} to be a kind of #{cls}, not #{obj.class}" }
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assert obj.kind_of?(cls), msg
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end
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##
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# Fails unless +exp+ is <tt>=~</tt> +act+.
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def assert_match exp, act, msg = nil
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msg = message(msg) { "Expected #{mu_pp(exp)} to match #{mu_pp(act)}" }
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assert_respond_to act, :"=~"
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exp = /#{Regexp.escape exp}/ if String === exp && String === act
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assert exp =~ act, msg
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end
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##
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# Fails unless +obj+ is nil
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def assert_nil obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp(obj)} to be nil" }
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assert obj.nil?, msg
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end
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##
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# For testing equality operators and so-forth.
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#
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# assert_operator 5, :<=, 4
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def assert_operator o1, op, o2, msg = nil
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msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op} #{mu_pp(o2)}" }
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assert o1.__send__(op, o2), msg
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end
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##
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# Fails unless the block raises one of +exp+
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def assert_raises *exp
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msg = String === exp.last ? exp.pop : nil
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msg = msg.to_s + "\n" if msg
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should_raise = false
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begin
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yield
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should_raise = true
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rescue Exception => e
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details = "#{msg}#{mu_pp(exp)} exception expected, not"
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assert(exp.any? { |ex|
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ex.instance_of?(Module) ? e.kind_of?(ex) : ex == e.class
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}, exception_details(e, details))
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return e
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end
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exp = exp.first if exp.size == 1
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flunk "#{msg}#{mu_pp(exp)} expected but nothing was raised." if
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should_raise
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end
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##
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# Fails unless +obj+ responds to +meth+.
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def assert_respond_to obj, meth, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}"
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}
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assert obj.respond_to?(meth), msg
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end
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##
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# Fails unless +exp+ and +act+ are #equal?
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def assert_same exp, act, msg = nil
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msg = message(msg) {
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data = [mu_pp(act), act.object_id, mu_pp(exp), exp.object_id]
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"Expected %s (oid=%d) to be the same as %s (oid=%d)" % data
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}
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assert exp.equal?(act), msg
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end
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##
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# +send_ary+ is a receiver, message and arguments.
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#
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# Fails unless the call returns a true value
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def assert_send send_ary, m = nil
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recv, msg, *args = send_ary
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m = message(m) {
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"Expected #{mu_pp(recv)}.#{msg}(*#{mu_pp(args)}) to return true" }
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assert recv.__send__(msg, *args), m
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end
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##
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# Fails unless the block throws +sym+
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def assert_throws sym, msg = nil
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default = "Expected #{mu_pp(sym)} to have been thrown"
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caught = true
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catch(sym) do
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begin
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yield
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rescue ArgumentError => e # 1.9 exception
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default += ", not #{e.message.split(/ /).last}"
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rescue NameError => e # 1.8 exception
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default += ", not #{e.name.inspect}"
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end
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caught = false
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end
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assert caught, message(msg) { default }
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end
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##
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# Captures $stdout and $stderr into strings:
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#
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# out, err = capture_io do
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# warn "You did a bad thing"
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# end
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#
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# assert_match %r%bad%, err
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def capture_io
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require 'stringio'
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orig_stdout, orig_stderr = $stdout, $stderr
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captured_stdout, captured_stderr = StringIO.new, StringIO.new
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$stdout, $stderr = captured_stdout, captured_stderr
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yield
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return captured_stdout.string, captured_stderr.string
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ensure
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$stdout = orig_stdout
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$stderr = orig_stderr
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end
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##
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# Returns details for exception +e+
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def exception_details e, msg
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"#{msg}\nClass: <#{e.class}>\nMessage: <#{e.message.inspect}>\n---Backtrace---\n#{MiniTest::filter_backtrace(e.backtrace).join("\n")}\n---------------"
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end
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##
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# Fails with +msg+
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def flunk msg = nil
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msg ||= "Epic Fail!"
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assert false, msg
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end
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##
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# Returns a proc that will output +msg+ along with the default message.
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def message msg = nil, &default
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proc {
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if msg then
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msg = msg.to_s unless String === msg
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msg += '.' unless msg.empty?
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msg += "\n#{default.call}."
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msg.strip
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else
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"#{default.call}."
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end
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}
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end
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##
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# used for counting assertions
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def pass msg = nil
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assert true
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end
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##
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# Fails if +test+ is a true value
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def refute test, msg = nil
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msg ||= "Failed refutation, no message given"
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not assert(! test, msg)
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end
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##
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# Fails if +obj+ is empty.
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def refute_empty obj, msg = nil
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msg = message(msg) { "Expected #{obj.inspect} to not be empty" }
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assert_respond_to obj, :empty?
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refute obj.empty?, msg
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end
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##
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# Fails if <tt>exp == act</tt>.
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#
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# For floats use refute_in_delta.
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def refute_equal exp, act, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(act)} to not be equal to #{mu_pp(exp)}"
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}
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refute exp == act, msg
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end
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##
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# For comparing Floats. Fails if +exp+ is within +delta+ of +act+
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#
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# refute_in_delta Math::PI, (22.0 / 7.0)
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def refute_in_delta exp, act, delta = 0.001, msg = nil
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n = (exp - act).abs
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msg = message(msg) {
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"Expected #{exp} - #{act} (#{n}) to not be < #{delta}"
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}
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refute delta > n, msg
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end
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##
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# For comparing Floats. Fails if +exp+ and +act+ have a relative error
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# less than +epsilon+.
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def refute_in_epsilon a, b, epsilon = 0.001, msg = nil
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refute_in_delta a, b, a * epsilon, msg
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end
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##
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# Fails if +collection+ includes +obj+
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def refute_includes collection, obj, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(collection)} to not include #{mu_pp(obj)}"
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}
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assert_respond_to collection, :include?
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refute collection.include?(obj), msg
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end
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##
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# Fails if +obj+ is an instance of +cls+
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def refute_instance_of cls, obj, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(obj)} to not be an instance of #{cls}"
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}
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refute obj.instance_of?(cls), msg
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end
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##
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# Fails if +obj+ is a kind of +cls+
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def refute_kind_of cls, obj, msg = nil # TODO: merge with instance_of
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msg = message(msg) { "Expected #{mu_pp(obj)} to not be a kind of #{cls}" }
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refute obj.kind_of?(cls), msg
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end
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##
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# Fails if +exp+ <tt>=~</tt> +act+
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def refute_match exp, act, msg = nil
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msg = message(msg) { "Expected #{mu_pp(exp)} to not match #{mu_pp(act)}" }
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assert_respond_to act, :"=~"
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exp = (/#{Regexp.escape exp}/) if String === exp and String === act
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refute exp =~ act, msg
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end
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##
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# Fails if +obj+ is nil.
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def refute_nil obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp(obj)} to not be nil" }
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refute obj.nil?, msg
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end
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##
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# Fails if +o1+ is not +op+ +o2+ nil. eg:
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#
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# refute_operator 1, :>, 2 #=> pass
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# refute_operator 1, :<, 2 #=> fail
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def refute_operator o1, op, o2, msg = nil
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msg = message(msg) {
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"Expected #{mu_pp(o1)} to not be #{op} #{mu_pp(o2)}"
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}
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refute o1.__send__(op, o2), msg
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end
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##
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# Fails if +obj+ responds to the message +meth+.
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def refute_respond_to obj, meth, msg = nil
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msg = message(msg) { "Expected #{mu_pp(obj)} to not respond to #{meth}" }
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refute obj.respond_to?(meth), msg
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end
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##
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# Fails if +exp+ is the same (by object identity) as +act+.
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def refute_same exp, act, msg = nil
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msg = message(msg) {
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data = [mu_pp(act), act.object_id, mu_pp(exp), exp.object_id]
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"Expected %s (oid=%d) to not be the same as %s (oid=%d)" % data
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}
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refute exp.equal?(act), msg
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end
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##
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# Skips the current test. Gets listed at the end of the run but
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# doesn't cause a failure exit code.
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def skip msg = nil, bt = caller
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msg ||= "Skipped, no message given"
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raise MiniTest::Skip, msg, bt
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end
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end
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class Unit
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VERSION = "1.6.0" # :nodoc:
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attr_accessor :report, :failures, :errors, :skips # :nodoc:
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attr_accessor :test_count, :assertion_count # :nodoc:
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attr_accessor :start_time # :nodoc:
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@@installed_at_exit ||= false
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@@out = $stdout
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##
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# Registers MiniTest::Unit to run tests at process exit
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def self.autorun
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at_exit {
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next if $! # don't run if there was an exception
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exit_code = MiniTest::Unit.new.run(ARGV)
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exit false if exit_code && exit_code != 0
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} unless @@installed_at_exit
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@@installed_at_exit = true
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end
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##
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# Sets MiniTest::Unit to write output to +stream+. $stdout is the default
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# output
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def self.output= stream
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@@out = stream
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end
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def location e # :nodoc:
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last_before_assertion = ""
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e.backtrace.reverse_each do |s|
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break if s =~ /in .(assert|refute|flunk|pass|fail|raise|must|wont)/
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last_before_assertion = s
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end
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last_before_assertion.sub(/:in .*$/, '')
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end
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##
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# Writes status for failed test +meth+ in +klass+ which finished with
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# exception +e+
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def puke klass, meth, e
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e = case e
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when MiniTest::Skip then
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@skips += 1
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"Skipped:\n#{meth}(#{klass}) [#{location e}]:\n#{e.message}\n"
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when MiniTest::Assertion then
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@failures += 1
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"Failure:\n#{meth}(#{klass}) [#{location e}]:\n#{e.message}\n"
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else
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@errors += 1
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bt = MiniTest::filter_backtrace(e.backtrace).join("\n ")
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"Error:\n#{meth}(#{klass}):\n#{e.class}: #{e.message}\n #{bt}\n"
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end
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@report << e
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e[0, 1]
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end
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def initialize # :nodoc:
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@report = []
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@errors = @failures = @skips = 0
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@verbose = false
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end
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def process_args args = []
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options = {}
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OptionParser.new do |opts|
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opts.banner = 'minitest options:'
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opts.version = MiniTest::Unit::VERSION
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opts.on '-h', '--help', 'Display this help.' do
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puts opts
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exit
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end
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opts.on '-s', '--seed SEED', Integer, "Sets random seed" do |m|
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options[:seed] = m.to_i
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end
|
|
|
|
opts.on '-v', '--verbose', "Verbose. Show progress processing files." do
|
|
options[:verbose] = true
|
|
end
|
|
|
|
opts.on '-n', '--name PATTERN', "Filter test names on pattern." do |a|
|
|
options[:filter] = a
|
|
end
|
|
|
|
opts.parse args
|
|
end
|
|
|
|
options
|
|
end
|
|
|
|
##
|
|
# Top level driver, controls all output and filtering.
|
|
|
|
def run args = []
|
|
options = process_args args
|
|
|
|
@verbose = options[:verbose]
|
|
|
|
filter = options[:filter] || '/./'
|
|
filter = Regexp.new $1 if filter and filter =~ /\/(.*)\//
|
|
|
|
seed = options[:seed]
|
|
unless seed then
|
|
srand
|
|
seed = srand % 0xFFFF
|
|
end
|
|
|
|
srand seed
|
|
|
|
@@out.puts "Loaded suite #{$0.sub(/\.rb$/, '')}\nStarted"
|
|
|
|
start = Time.now
|
|
run_test_suites filter
|
|
|
|
@@out.puts
|
|
@@out.puts "Finished in #{'%.6f' % (Time.now - start)} seconds."
|
|
|
|
@report.each_with_index do |msg, i|
|
|
@@out.puts "\n%3d) %s" % [i + 1, msg]
|
|
end
|
|
|
|
@@out.puts
|
|
|
|
status
|
|
|
|
@@out.puts
|
|
|
|
help = ["--seed", seed]
|
|
help.push "--verbose" if @verbose
|
|
help.push("--name", options[:filter].inspect) if options[:filter]
|
|
|
|
@@out.puts "Test run options: #{help.join(" ")}"
|
|
|
|
return failures + errors if @test_count > 0 # or return nil...
|
|
rescue Interrupt
|
|
abort 'Interrupted'
|
|
end
|
|
|
|
##
|
|
# Writes status to +io+
|
|
|
|
def status io = @@out
|
|
format = "%d tests, %d assertions, %d failures, %d errors, %d skips"
|
|
io.puts format % [test_count, assertion_count, failures, errors, skips]
|
|
end
|
|
|
|
##
|
|
# Runs test suites matching +filter+
|
|
|
|
def run_test_suites filter = /./
|
|
@test_count, @assertion_count = 0, 0
|
|
old_sync, @@out.sync = @@out.sync, true if @@out.respond_to? :sync=
|
|
TestCase.test_suites.each do |suite|
|
|
suite.test_methods.grep(filter).each do |test|
|
|
inst = suite.new test
|
|
inst._assertions = 0
|
|
@@out.print "#{suite}##{test}: " if @verbose
|
|
|
|
@start_time = Time.now
|
|
result = inst.run(self)
|
|
|
|
@@out.print "%.2f s: " % (Time.now - @start_time) if @verbose
|
|
@@out.print result
|
|
@@out.puts if @verbose
|
|
@test_count += 1
|
|
@assertion_count += inst._assertions
|
|
end
|
|
end
|
|
@@out.sync = old_sync if @@out.respond_to? :sync=
|
|
[@test_count, @assertion_count]
|
|
end
|
|
|
|
##
|
|
# Subclass TestCase to create your own tests. Typically you'll want a
|
|
# TestCase subclass per implementation class.
|
|
|
|
class TestCase
|
|
attr_reader :__name__ # :nodoc:
|
|
|
|
PASSTHROUGH_EXCEPTIONS = [NoMemoryError, SignalException,
|
|
Interrupt, SystemExit] # :nodoc:
|
|
|
|
SUPPORTS_INFO_SIGNAL = Signal.list['INFO'] # :nodoc:
|
|
|
|
##
|
|
# Runs the tests reporting the status to +runner+
|
|
|
|
def run runner
|
|
trap 'INFO' do
|
|
warn '%s#%s %.2fs' % [self.class, self.__name__,
|
|
(Time.now - runner.start_time)]
|
|
runner.status $stderr
|
|
end if SUPPORTS_INFO_SIGNAL
|
|
|
|
result = '.'
|
|
begin
|
|
@passed = nil
|
|
self.setup
|
|
self.__send__ self.__name__
|
|
@passed = true
|
|
rescue *PASSTHROUGH_EXCEPTIONS
|
|
raise
|
|
rescue Exception => e
|
|
@passed = false
|
|
result = runner.puke(self.class, self.__name__, e)
|
|
ensure
|
|
begin
|
|
self.teardown
|
|
rescue *PASSTHROUGH_EXCEPTIONS
|
|
raise
|
|
rescue Exception => e
|
|
result = runner.puke(self.class, self.__name__, e)
|
|
end
|
|
trap 'INFO', 'DEFAULT' if SUPPORTS_INFO_SIGNAL
|
|
end
|
|
result
|
|
end
|
|
|
|
def initialize name # :nodoc:
|
|
@__name__ = name
|
|
@passed = nil
|
|
end
|
|
|
|
def self.reset # :nodoc:
|
|
@@test_suites = {}
|
|
end
|
|
|
|
reset
|
|
|
|
def self.inherited klass # :nodoc:
|
|
@@test_suites[klass] = true
|
|
end
|
|
|
|
##
|
|
# Defines test order and is subclassable. Defaults to :random
|
|
# but can be overridden to return :alpha if your tests are order
|
|
# dependent (read: weak).
|
|
|
|
def self.test_order
|
|
:random
|
|
end
|
|
|
|
def self.test_suites # :nodoc:
|
|
@@test_suites.keys.sort_by { |ts| ts.name }
|
|
end
|
|
|
|
def self.test_methods # :nodoc:
|
|
methods = public_instance_methods(true).grep(/^test/).map { |m| m.to_s }
|
|
|
|
case self.test_order
|
|
when :random then
|
|
max = methods.size
|
|
methods.sort.sort_by { rand(max) }
|
|
when :alpha, :sorted then
|
|
methods.sort
|
|
else
|
|
raise "Unknown test_order: #{self.test_order.inspect}"
|
|
end
|
|
end
|
|
|
|
##
|
|
# Returns true if the test passed.
|
|
|
|
def passed?
|
|
@passed
|
|
end
|
|
|
|
##
|
|
# Runs before every test. Use this to refactor test initialization.
|
|
|
|
def setup; end
|
|
|
|
##
|
|
# Runs after every test. Use this to refactor test cleanup.
|
|
|
|
def teardown; end
|
|
|
|
include MiniTest::Assertions
|
|
end # class TestCase
|
|
end # class Unit
|
|
end # module MiniTest
|
|
|
|
if $DEBUG then
|
|
module Test # :nodoc:
|
|
module Unit # :nodoc:
|
|
class TestCase # :nodoc:
|
|
def self.inherited x # :nodoc:
|
|
# this helps me ferret out porting issues
|
|
raise "Using minitest and test/unit in the same process: #{x}"
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|