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Diffstat (limited to 'lib/test/unit/assertions.rb')
| -rw-r--r-- | lib/test/unit/assertions.rb | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/lib/test/unit/assertions.rb b/lib/test/unit/assertions.rb deleted file mode 100644 index afc45b6892..0000000000 --- a/lib/test/unit/assertions.rb +++ /dev/null @@ -1,403 +0,0 @@ -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: - - # :call-seq: - # assert(test, [failure_message]) - # - #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, *msgs) - case msg = msgs.first - when String, Proc - when nil - msgs.shift - else - bt = caller.reject { |s| s.start_with?(MINI_DIR) } - raise ArgumentError, "assertion message must be String or Proc, but #{msg.class} was given.", bt - end unless msgs.empty? - 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 may 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_raise_with_message(exception, expected, msg = nil, &block) - # - #Tests if the given block raises an exception with the expected - #message. - # - # assert_raise_with_message(RuntimeError, "foo") do - # nil #Fails, no Exceptions are raised - # end - # - # assert_raise_with_message(RuntimeError, "foo") do - # raise ArgumentError, "foo" #Fails, different Exception is raised - # end - # - # assert_raise_with_message(RuntimeError, "foo") do - # raise "bar" #Fails, RuntimeError is raised but the message differs - # end - # - # assert_raise_with_message(RuntimeError, "foo") do - # raise "foo" #Raises RuntimeError with the message, so assertion succeeds - # end - def assert_raise_with_message(exception, expected, msg = nil, &block) - case expected - when String - assert = :assert_equal - when Regexp - assert = :assert_match - else - raise TypeError, "Expected #{expected.inspect} to be a kind of String or Regexp, not #{expected.class}" - end - - ex = assert_raise(exception, *msg) {yield} - msg = message(msg, "") {"Expected Exception(#{exception}) was raised, but the message doesn't match"} - - if assert == :assert_equal - assert_equal(expected, ex.message, msg) - else - msg = message(msg) { "Expected #{mu_pp expected} to match #{mu_pp ex.message}" } - assert expected =~ ex.message, msg - block.binding.eval("proc{|_|$~=_}").call($~) - end - ex - 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, and - #returns the result of the block otherwise. - # - #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 - ret = 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") - ret - end - - # :call-seq: - # assert_throw( tag, failure_message = nil, &block ) - # - #Fails unless the given block throws +tag+, returns the caught - #value otherwise. - # - #An optional failure message may be provided as the final argument. - # - # tag = Object.new - # assert_throw(tag, "#{tag} was not thrown!") do - # throw tag - # end - def assert_throw(tag, msg = nil) - catch(tag) do - yield(tag) - assert(false, message(msg) {"Expected #{mu_pp(tag)} to have been thrown"}) - end - 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, priv), msg = nil - if priv - msg = message(msg) { - "Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}#{" privately" if priv}" - } - return assert obj.respond_to?(meth, priv), msg - end - #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(["Hello world", :include?, "Hello"]) # -> pass - # assert_send(["Hello world", :include?, "Goodbye"]) # -> 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 - - def message(msg = nil, *args, &default) # :nodoc: - if Proc === msg - super(nil, *args) do - [msg.call, (default.call if default)].compact.reject(&:empty?).join(".\n") - end - else - super - end - end - end - end -end |