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|
############################################################
# This file is imported from a different project.
# DO NOT make modifications in this repo.
# File a patch instead and assign it to Ryan Davis
############################################################
##
#
# Totally minimal drop-in replacement for test-unit
#
# TODO: refute -> debunk, prove/rebut, show/deny... lots of possibilities
module MiniTest
class Assertion < Exception; end
class Skip < Assertion; end
file = if RUBY_VERSION =~ /^1\.9/ then # bt's expanded, but __FILE__ isn't :(
File.expand_path __FILE__
elsif __FILE__ =~ /^[^\.]/ then # assume both relative
require 'pathname'
pwd = Pathname.new Dir.pwd
pn = Pathname.new File.expand_path(__FILE__)
pn = File.join(".", pn.relative_path_from(pwd)) unless pn.relative?
pn.to_s
else # assume both are expanded
__FILE__
end
# './lib' in project dir, or '/usr/local/blahblah' if installed
MINI_DIR = File.dirname(File.dirname(file))
def self.filter_backtrace bt
return ["No backtrace"] unless bt
new_bt = []
bt.each do |line|
break if line.rindex(MINI_DIR, 0)
new_bt << line
end
new_bt = bt.reject { |line| line.rindex(MINI_DIR, 0) } if new_bt.empty?
new_bt = bt.dup if new_bt.empty?
new_bt
end
module Assertions
def mu_pp(obj)
s = obj.inspect
s = s.force_encoding(Encoding.default_external) if defined? Encoding
s
end
def _assertions= n
@_assertions = n
end
def _assertions
@_assertions ||= 0
end
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
def assert_block msg = nil
msg = message(msg) { "Expected block to return true value" }
assert yield, msg
end
def assert_empty obj, msg = nil
msg = message(msg) { "Expected #{obj.inspect} to be empty" }
assert_respond_to obj, :empty?
assert obj.empty?, msg
end
def assert_equal exp, act, msg = nil
msg = message(msg) { "Expected #{mu_pp(exp)}, not #{mu_pp(act)}" }
assert(exp == act, msg)
end
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
def assert_in_epsilon a, b, epsilon = 0.001, msg = nil
assert_in_delta a, b, [a, b].min * epsilon, msg
end
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
def assert_instance_of cls, obj, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to be an instance of #{cls}, not #{obj.class}" }
flip = (Module === obj) && ! (Module === cls) # HACK for specs
obj, cls = cls, obj if flip
assert obj.instance_of?(cls), msg
end
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}" }
flip = (Module === obj) && ! (Module === cls) # HACK for specs
obj, cls = cls, obj if flip
assert obj.kind_of?(cls), msg
end
def assert_match exp, act, msg = nil
msg = message(msg) { "Expected #{mu_pp(act)} to match #{mu_pp(exp)}" }
assert_respond_to act, :"=~"
(exp = /#{Regexp.escape(exp)}/) if String === exp && String === act
assert act =~ exp, msg
end
def assert_nil obj, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to be nil" }
assert obj.nil?, msg
end
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
def assert_raises *exp
msg = String === exp.last ? exp.pop : nil
should_raise = false
begin
yield
should_raise = true
rescue Exception => e
assert(exp.any? { |ex|
ex.instance_of?(Module) ? e.kind_of?(ex) : ex == e.class
}, exception_details(e, "#{mu_pp(exp)} exception expected, not"))
return e
end
exp = exp.first if exp.size == 1
flunk "#{mu_pp(exp)} expected but nothing was raised." if should_raise
end
def assert_respond_to obj, meth, msg = nil
msg = message(msg) {
"Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}"
}
flip = (Symbol === obj) && ! (Symbol === meth) # HACK for specs
obj, meth = meth, obj if flip
assert obj.respond_to?(meth), msg
end
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 (0x%x) to be the same as %s (0x%x)" % data
}
assert exp.equal?(act), msg
end
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
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
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
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
def flunk msg = nil
msg ||= "Epic Fail!"
assert false, msg
end
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
# used for counting assertions
def pass msg = nil
assert true
end
def refute test, msg = nil
msg ||= "Failed refutation, no message given"
not assert(! test, msg)
end
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
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
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
def refute_in_epsilon a, b, epsilon = 0.001, msg = nil
refute_in_delta a, b, a * epsilon, msg
end
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
def refute_instance_of cls, obj, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to not be an instance of #{cls}" }
flip = (Module === obj) && ! (Module === cls) # HACK for specs
obj, cls = cls, obj if flip
refute cls === obj, msg
end
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}" }
flip = (Module === obj) && ! (Module === cls) # HACK for specs
obj, cls = cls, obj if flip
refute obj.kind_of?(cls), msg
end
def refute_match exp, act, msg = nil
msg = message(msg) { "Expected #{mu_pp(act)} to not match #{mu_pp(exp)}" }
refute act =~ exp, msg
end
def refute_nil obj, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to not be nil" }
refute obj.nil?, msg
end
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
def refute_respond_to obj, meth, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to not respond to #{meth}" }
flip = (Symbol === obj) && ! (Symbol === meth) # HACK for specs
obj, meth = meth, obj if flip
refute obj.respond_to?(meth), msg
end
def refute_same exp, act, msg = nil
msg = message(msg) { "Expected #{mu_pp(act)} to not be the same as #{mu_pp(exp)}" }
refute exp.equal?(act), msg
end
def skip msg = nil, bt = caller
msg ||= "Skipped, no message given"
raise MiniTest::Skip, msg, bt
end
end
class Unit
VERSION = "1.3.2"
attr_accessor :report, :failures, :errors, :skips
attr_accessor :test_count, :assertion_count
@@installed_at_exit ||= false
@@out = $stdout
def self.autorun
at_exit {
p $!
return if $! # don't run if there was an exception
exit_code = MiniTest::Unit.new.run(ARGV)
exit false if exit_code && exit_code != 0
} unless @@installed_at_exit
@@installed_at_exit = true
end
def self.output= stream
@@out = stream
end
def location e
e.backtrace.find { |s|
s !~ /in .(assert|refute|flunk|pass|fail|raise)/
}.sub(/:in .*$/, '')
end
def puke klass, meth, e
e = case e
when MiniTest::Skip then
@skips += 1
"Skipped:\n#{meth}(#{klass}) [#{location e}]:\n#{e.message}\n"
when MiniTest::Assertion then
@failures += 1
"Failure:\n#{meth}(#{klass}) [#{location e}]:\n#{e.message}\n"
else
@errors += 1
bt = MiniTest::filter_backtrace(e.backtrace).join("\n ")
"Error:\n#{meth}(#{klass}):\n#{e.class}: #{e.message}\n #{bt}\n"
end
@report << e
e[0, 1]
end
def initialize
@report = []
@errors = @failures = @skips = 0
@verbose = false
end
##
# Top level driver, controls all output and filtering.
def run args = []
@verbose = args.delete('-v')
filter = if args.first =~ /^(-n|--name)$/ then
args.shift
arg = args.shift
arg =~ /\/(.*)\// ? Regexp.new($1) : arg
else
/./ # anything - ^test_ already filtered by #tests
end
@@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
format = "%d tests, %d assertions, %d failures, %d errors, %d skips"
@@out.puts format % [test_count, assertion_count, failures, errors, skips]
return failures + errors if @test_count > 0 # or return nil...
end
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
t = Time.now if @verbose
result = inst.run(self)
@@out.print "%.2f s: " % (Time.now - t) 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
class TestCase
attr_reader :name
def run runner
result = '.'
begin
@passed = nil
self.setup
self.__send__ self.name
@passed = true
rescue Exception => e
@passed = false
result = runner.puke(self.class, self.name, e)
ensure
begin
self.teardown
rescue Exception => e
result = runner.puke(self.class, self.name, e)
end
end
result
end
def initialize name
@name = name
@passed = nil
end
def self.reset
@@test_suites = {}
end
reset
def self.inherited klass
@@test_suites[klass] = true
end
def self.test_order
:random
end
def self.test_suites
@@test_suites.keys.sort_by { |ts| ts.name }
end
def self.test_methods
methods = public_instance_methods(true).grep(/^test/).map { |m|
m.to_s
}.sort
if self.test_order == :random then
max = methods.size
methods = methods.sort_by { rand(max) }
end
methods
end
def setup; end
def teardown; end
def passed?
@passed
end
include MiniTest::Assertions
end # class TestCase
end # class Test
end # module Mini
|