mirror of
https://github.com/ruby/ruby.git
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7bcd50555b
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21701 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
501 lines
14 KiB
Ruby
501 lines
14 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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##
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#
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# Totally minimal drop-in replacement for test-unit
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#
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# TODO: refute -> debunk, prove/rebut, show/deny... lots of possibilities
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module MiniTest
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class Assertion < Exception; end
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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))
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def self.filter_backtrace bt
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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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module Assertions
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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
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@_assertions = n
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end
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def _assertions
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@_assertions ||= 0
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end
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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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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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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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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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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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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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def assert_includes collection, obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp(collection)} to include #{mu_pp(obj)}" }
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flip = (obj.respond_to? :include?) && ! (collection.respond_to? :include?) # HACK for specs
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obj, collection = collection, obj if flip
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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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def assert_instance_of cls, obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp(obj)} to be an instance of #{cls}, not #{obj.class}" }
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flip = (Module === obj) && ! (Module === cls) # HACK for specs
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obj, cls = cls, obj if flip
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assert obj.instance_of?(cls), msg
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end
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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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flip = (Module === obj) && ! (Module === cls) # HACK for specs
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obj, cls = cls, obj if flip
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assert obj.kind_of?(cls), msg
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end
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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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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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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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def assert_raises *exp
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msg = String === exp.last ? exp.pop : nil
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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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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, "#{mu_pp(exp)} exception expected, not"))
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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 "#{mu_pp(exp)} expected but nothing was raised." if should_raise
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end
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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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flip = (Symbol === obj) && ! (Symbol === meth) # HACK for specs
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obj, meth = meth, obj if flip
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assert obj.respond_to?(meth), msg
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end
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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 (0x%x) to be the same as %s (0x%x)" % data
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}
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assert exp.equal?(act), msg
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end
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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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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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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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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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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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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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# 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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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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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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def refute_equal exp, act, msg = nil
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msg = message(msg) { "Expected #{mu_pp(act)} to not be equal to #{mu_pp(exp)}" }
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refute exp == act, msg
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end
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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) { "Expected #{exp} - #{act} (#{n}) to not be < #{delta}" }
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refute delta > n, msg
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end
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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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def refute_includes collection, obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp(collection)} to not include #{mu_pp(obj)}" }
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flip = (obj.respond_to? :include?) && ! (collection.respond_to? :include?) # HACK for specs
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obj, collection = collection, obj if flip
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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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def refute_instance_of cls, obj, msg = nil
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msg = message(msg) { "Expected #{mu_pp(obj)} to not be an instance of #{cls}" }
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flip = (Module === obj) && ! (Module === cls) # HACK for specs
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obj, cls = cls, obj if flip
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refute obj.instance_of?(cls), msg
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end
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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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flip = (Module === obj) && ! (Module === cls) # HACK for specs
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obj, cls = cls, obj if flip
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refute obj.kind_of?(cls), msg
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end
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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 && String === act
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refute exp =~ act, msg
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end
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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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def refute_operator o1, op, o2, msg = nil
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msg = message(msg) { "Expected #{mu_pp(o1)} to not be #{op} #{mu_pp(o2)}" }
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refute o1.__send__(op, o2), msg
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end
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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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flip = (Symbol === obj) && ! (Symbol === meth) # HACK for specs
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obj, meth = meth, obj if flip
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refute obj.respond_to?(meth), msg
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end
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def refute_same exp, act, msg = nil
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msg = message(msg) { "Expected #{mu_pp(act)} to not be the same as #{mu_pp(exp)}" }
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refute exp.equal?(act), msg
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end
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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 = "1.3.1"
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attr_accessor :report, :failures, :errors, :skips
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attr_accessor :test_count, :assertion_count
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@@installed_at_exit ||= false
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@@out = $stdout
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def self.autorun
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at_exit {
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next if $! # don't run if there was an exception
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exit_code = MiniTest::Unit.new.run(ARGV)
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exit false if exit_code && exit_code != 0
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} unless @@installed_at_exit
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@@installed_at_exit = true
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end
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def self.output= stream
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@@out = stream
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end
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def location e
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last_before_assertion = ""
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e.backtrace.reverse_each do |s|
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break if s =~ /in .(assert|refute|flunk|pass|fail|raise)/
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last_before_assertion = s
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end
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last_before_assertion.sub(/:in .*$/, '')
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end
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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
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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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##
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# Top level driver, controls all output and filtering.
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def run args = []
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@verbose = args.delete('-v')
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filter = if args.first =~ /^(-n|--name)$/ then
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args.shift
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arg = args.shift
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arg =~ /\/(.*)\// ? Regexp.new($1) : arg
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else
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/./ # anything - ^test_ already filtered by #tests
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end
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@@out.puts "Loaded suite #{$0.sub(/\.rb$/, '')}\nStarted"
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start = Time.now
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run_test_suites filter
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@@out.puts
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@@out.puts "Finished in #{'%.6f' % (Time.now - start)} seconds."
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@report.each_with_index do |msg, i|
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@@out.puts "\n%3d) %s" % [i + 1, msg]
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end
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@@out.puts
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format = "%d tests, %d assertions, %d failures, %d errors, %d skips"
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@@out.puts format % [test_count, assertion_count, failures, errors, skips]
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return failures + errors if @test_count > 0 # or return nil...
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end
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def run_test_suites filter = /./
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@test_count, @assertion_count = 0, 0
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old_sync, @@out.sync = @@out.sync, true if @@out.respond_to? :sync=
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TestCase.test_suites.each do |suite|
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suite.test_methods.grep(filter).each do |test|
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inst = suite.new test
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inst._assertions = 0
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@@out.print "#{suite}##{test}: " if @verbose
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t = Time.now if @verbose
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result = inst.run(self)
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@@out.print "%.2f s: " % (Time.now - t) if @verbose
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@@out.print result
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@@out.puts if @verbose
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@test_count += 1
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@assertion_count += inst._assertions
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end
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end
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@@out.sync = old_sync if @@out.respond_to? :sync=
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[@test_count, @assertion_count]
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end
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class TestCase
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attr_reader :name
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def run runner
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result = '.'
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begin
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@passed = nil
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self.setup
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self.__send__ self.name
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@passed = true
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rescue Exception => e
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@passed = false
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result = runner.puke(self.class, self.name, e)
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ensure
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begin
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self.teardown
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rescue Exception => e
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result = runner.puke(self.class, self.name, e)
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end
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end
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result
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end
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def initialize name
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@name = name
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@passed = nil
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end
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def self.reset
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@@test_suites = {}
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end
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reset
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def self.inherited klass
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@@test_suites[klass] = true
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end
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def self.test_order
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:random
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end
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def self.test_suites
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@@test_suites.keys.sort_by { |ts| ts.name }
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end
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def self.test_methods
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methods = public_instance_methods(true).grep(/^test/).map { |m|
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m.to_s
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}.sort
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if self.test_order == :random then
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max = methods.size
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methods = methods.sort_by { rand(max) }
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end
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methods
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end
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def setup; end
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def teardown; end
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def passed?
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@passed
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end
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include MiniTest::Assertions
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end # class TestCase
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end # class Test
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end # module Mini
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