MiniTest::Assertions

 
 # File minitest/unit.rb, line 80
def assert test, msg = nil
 msg ||= "Failed assertion, no message given."
 self._assertions += 1
 unless test then
 msg = msg.call if Proc === msg
 raise MiniTest::Assertion, msg
 end
 true
end
 

 
 # File minitest/unit.rb, line 93
def assert_block msg = nil
 assert yield, "Expected block to return true value."
end
 

 
 # File minitest/unit.rb, line 100
def assert_empty obj, msg = nil
 msg = message(msg) { "Expected #{mu_pp(obj)} to be empty" }
 assert_respond_to obj, :empty?
 assert obj.empty?, msg
end
 

 
 # File minitest/unit.rb, line 111
def assert_equal exp, act, msg = nil
 msg = message(msg) { "Expected #{mu_pp(exp)}, not #{mu_pp(act)}" }
 assert(exp == act, msg)
end
 

 
 # File minitest/unit.rb, line 122
def assert_in_delta exp, act, delta = 0.001, msg = nil
 n = (exp - act).abs
 msg = message(msg) { "Expected #{exp} - #{act} (#{n}) to be < #{delta}" }
 assert delta >= n, msg
end
 

 
 # File minitest/unit.rb, line 132
def assert_in_epsilon a, b, epsilon = 0.001, msg = nil
 assert_in_delta a, b, [a, b].min * epsilon, msg
end
 

 
 # File minitest/unit.rb, line 139
def assert_includes collection, obj, msg = nil
 msg = message(msg) {
 "Expected #{mu_pp(collection)} to include #{mu_pp(obj)}"
 }
 assert_respond_to collection, :include?
 assert collection.include?(obj), msg
end
 

 
 # File minitest/unit.rb, line 150
def assert_instance_of cls, obj, msg = nil
 msg = message(msg) {
 "Expected #{mu_pp(obj)} to be an instance of #{cls}, not #{obj.class}"
 }
 assert obj.instance_of?(cls), msg
end
 

 
 # File minitest/unit.rb, line 161
def assert_kind_of cls, obj, msg = nil # TODO: merge with instance_of
 msg = message(msg) {
 "Expected #{mu_pp(obj)} to be a kind of #{cls}, not #{obj.class}" }
 assert obj.kind_of?(cls), msg
end
 

 
 # File minitest/unit.rb, line 171
def assert_match exp, act, msg = nil
 msg = message(msg) { "Expected #{mu_pp(exp)} to match #{mu_pp(act)}" }
 assert_respond_to act, :"=~"
 exp = /#{Regexp.escape exp}/ if String === exp && String === act
 assert exp =~ act, msg
end
 

 
 # File minitest/unit.rb, line 181
def assert_nil obj, msg = nil
 msg = message(msg) { "Expected #{mu_pp(obj)} to be nil" }
 assert obj.nil?, msg
end
 

 
 # File minitest/unit.rb, line 191
def assert_operator o1, op, o2, msg = nil
 msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op} #{mu_pp(o2)}" }
 assert o1.__send__(op, o2), msg
end
 

 
 # File minitest/unit.rb, line 199
def assert_raises *exp
 msg = String === exp.last ? exp.pop : nil
 msg = msg.to_s + "\n" if msg
 should_raise = false
 begin
 yield
 should_raise = true
 rescue MiniTest::Skip => e
 details = "#{msg}#{mu_pp(exp)} exception expected, not"
 if exp.include? MiniTest::Skip then
 return e
 else
 raise e
 end
 rescue Exception => e
 details = "#{msg}#{mu_pp(exp)} exception expected, not"
 assert(exp.any? { |ex|
 ex.instance_of?(Module) ? e.kind_of?(ex) : ex == e.class
 }, exception_details(e, details))
 return e
 end
 exp = exp.first if exp.size == 1
 flunk "#{msg}#{mu_pp(exp)} expected but nothing was raised." if
 should_raise
end
 

 
 # File minitest/unit.rb, line 231
def assert_respond_to obj, meth, msg = nil
 msg = message(msg) {
 "Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}"
 }
 assert obj.respond_to?(meth), msg
end
 

 
 # File minitest/unit.rb, line 241
def assert_same exp, act, msg = nil
 msg = message(msg) {
 data = [mu_pp(act), act.object_id, mu_pp(exp), exp.object_id]
 "Expected %s (oid=%d) to be the same as %s (oid=%d)" % data
 }
 assert exp.equal?(act), msg
end
 

 
 # File minitest/unit.rb, line 255
def assert_send send_ary, m = nil
 recv, msg, *args = send_ary
 m = message(m) {
 "Expected #{mu_pp(recv)}.#{msg}(*#{mu_pp(args)}) to return true" }
 assert recv.__send__(msg, *args), m
end
 

 
 # File minitest/unit.rb, line 265
def assert_throws sym, msg = nil
 default = "Expected #{mu_pp(sym)} to have been thrown"
 caught = true
 catch(sym) do
 begin
 yield
 rescue ArgumentError => e # 1.9 exception
 default += ", not #{e.message.split(/ /).last}"
 rescue NameError => e # 1.8 exception
 default += ", not #{e.name.inspect}"
 end
 caught = false
 end
 assert caught, message(msg) { default }
end
 

 
 # File minitest/unit.rb, line 291
def capture_io
 require 'stringio'
 orig_stdout, orig_stderr = $stdout, $stderr
 captured_stdout, captured_stderr = StringIO.new, StringIO.new
 $stdout, $stderr = captured_stdout, captured_stderr
 yield
 return captured_stdout.string, captured_stderr.string
ensure
 $stdout = orig_stdout
 $stderr = orig_stderr
end
 

 
 # File minitest/unit.rb, line 309
def exception_details e, msg
 "#{msg}\nClass: <#{e.class}>\nMessage: <#{e.message.inspect}>\n---Backtrace---\n#{MiniTest::filter_backtrace(e.backtrace).join("\n")}\n---------------"
end
 

 
 # File minitest/unit.rb, line 316
def flunk msg = nil
 msg ||= "Epic Fail!"
 assert false, msg
end
 

 
 # File minitest/unit.rb, line 324
def message msg = nil, &default
 proc {
 if msg then
 msg = msg.to_s unless String === msg
 msg += '.' unless msg.empty?
 msg += "\n#{default.call}."
 msg.strip
 else
 "#{default.call}."
 end
 }
end
 

 
 # File minitest/unit.rb, line 63
def mu_pp obj
 s = obj.inspect
 s = s.force_encoding(Encoding.default_external) if defined? Encoding
 s
end
 

 
 # File minitest/unit.rb, line 340
def pass msg = nil
 assert true
end
 

 
 # File minitest/unit.rb, line 347
def refute test, msg = nil
 msg ||= "Failed refutation, no message given"
 not assert(! test, msg)
end
 

 
 # File minitest/unit.rb, line 355
def refute_empty obj, msg = nil
 msg = message(msg) { "Expected #{obj.inspect} to not be empty" }
 assert_respond_to obj, :empty?
 refute obj.empty?, msg
end
 

 
 # File minitest/unit.rb, line 366
def refute_equal exp, act, msg = nil
 msg = message(msg) {
 "Expected #{mu_pp(act)} to not be equal to #{mu_pp(exp)}"
 }
 refute exp == act, msg
end
 

 
 # File minitest/unit.rb, line 378
def refute_in_delta exp, act, delta = 0.001, msg = nil
 n = (exp - act).abs
 msg = message(msg) {
 "Expected #{exp} - #{act} (#{n}) to not be < #{delta}"
 }
 refute delta > n, msg
end
 

 
 # File minitest/unit.rb, line 390
def refute_in_epsilon a, b, epsilon = 0.001, msg = nil
 refute_in_delta a, b, a * epsilon, msg
end
 

 
 # File minitest/unit.rb, line 397
def refute_includes collection, obj, msg = nil
 msg = message(msg) {
 "Expected #{mu_pp(collection)} to not include #{mu_pp(obj)}"
 }
 assert_respond_to collection, :include?
 refute collection.include?(obj), msg
end
 

 
 # File minitest/unit.rb, line 408
def refute_instance_of cls, obj, msg = nil
 msg = message(msg) {
 "Expected #{mu_pp(obj)} to not be an instance of #{cls}"
 }
 refute obj.instance_of?(cls), msg
end
 

 
 # File minitest/unit.rb, line 418
def refute_kind_of cls, obj, msg = nil # TODO: merge with instance_of
 msg = message(msg) { "Expected #{mu_pp(obj)} to not be a kind of #{cls}" }
 refute obj.kind_of?(cls), msg
end
 

 
 # File minitest/unit.rb, line 426
def refute_match exp, act, msg = nil
 msg = message(msg) { "Expected #{mu_pp(exp)} to not match #{mu_pp(act)}" }
 assert_respond_to act, :"=~"
 exp = (/#{Regexp.escape exp}/) if String === exp and String === act
 refute exp =~ act, msg
end
 

 
 # File minitest/unit.rb, line 436
def refute_nil obj, msg = nil
 msg = message(msg) { "Expected #{mu_pp(obj)} to not be nil" }
 refute obj.nil?, msg
end
 

 
 # File minitest/unit.rb, line 447
def refute_operator o1, op, o2, msg = nil
 msg = message(msg) {
 "Expected #{mu_pp(o1)} to not be #{op} #{mu_pp(o2)}"
 }
 refute o1.__send__(op, o2), msg
end
 

 
 # File minitest/unit.rb, line 457
def refute_respond_to obj, meth, msg = nil
 msg = message(msg) { "Expected #{mu_pp(obj)} to not respond to #{meth}" }
 refute obj.respond_to?(meth), msg
end
 

 
 # File minitest/unit.rb, line 466
def refute_same exp, act, msg = nil
 msg = message(msg) {
 data = [mu_pp(act), act.object_id, mu_pp(exp), exp.object_id]
 "Expected %s (oid=%d) to not be the same as %s (oid=%d)" % data
 }
 refute exp.equal?(act), msg
end
 

 
 # File minitest/unit.rb, line 478
def skip msg = nil, bt = caller
 msg ||= "Skipped, no message given"
 raise MiniTest::Skip, msg, bt
end