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require "optparse"
require "rbconfig"
##
# Minimal (mostly drop-in) replacement for test-unit.
#
# :include: README.txt
module MiniTest
def self.const_missing name # :nodoc:
case name
when :MINI_DIR then
msg = "MiniTest::MINI_DIR was removed. Don't violate other's internals."
warn "WAR\NING: #{msg}"
warn "WAR\NING: Used by #{caller.first}."
const_set :MINI_DIR, "bad value"
else
super
end
end
##
# Assertion base class
class Assertion < Exception; end
##
# Assertion raised when skipping a test
class Skip < Assertion; end
class << self
##
# Filter object for backtraces.
attr_accessor :backtrace_filter
end
class BacktraceFilter # :nodoc:
def filter bt
return ["No backtrace"] unless bt
new_bt = []
unless $DEBUG then
bt.each do |line|
break if line =~ /lib\/minitest/
new_bt << line
end
new_bt = bt.reject { |line| line =~ /lib\/minitest/ } if new_bt.empty?
new_bt = bt.dup if new_bt.empty?
else
new_bt = bt.dup
end
new_bt
end
end
self.backtrace_filter = BacktraceFilter.new
def self.filter_backtrace bt # :nodoc:
backtrace_filter.filter bt
end
##
# MiniTest Assertions. All assertion methods accept a +msg+ which is
# printed if the assertion fails.
module Assertions
UNDEFINED = Object.new # :nodoc:
def UNDEFINED.inspect # :nodoc:
"UNDEFINED" # again with the rdoc bugs... :(
end
##
# Returns the diff command to use in #diff. Tries to intelligently
# figure out what diff to use.
def self.diff
@diff = if (RbConfig::CONFIG['host_os'] =~ /mswin|mingw/ &&
system("diff.exe", __FILE__, __FILE__)) then
"diff.exe -u"
elsif Minitest::Unit::Guard.maglev? then # HACK
"diff -u"
elsif system("gdiff", __FILE__, __FILE__)
"gdiff -u" # solaris and kin suck
elsif system("diff", __FILE__, __FILE__)
"diff -u"
else
nil
end unless defined? @diff
@diff
end
##
# Set the diff command to use in #diff.
def self.diff= o
@diff = o
end
##
# Returns a diff between +exp+ and +act+. If there is no known
# diff command or if it doesn't make sense to diff the output
# (single line, short output), then it simply returns a basic
# comparison between the two.
def diff exp, act
require "tempfile"
expect = mu_pp_for_diff exp
butwas = mu_pp_for_diff act
result = nil
need_to_diff =
MiniTest::Assertions.diff &&
(expect.include?("\n") ||
butwas.include?("\n") ||
expect.size > 30 ||
butwas.size > 30 ||
expect == butwas)
return "Expected: #{mu_pp exp}\n Actual: #{mu_pp act}" unless
need_to_diff
Tempfile.open("expect") do |a|
a.puts expect
a.flush
Tempfile.open("butwas") do |b|
b.puts butwas
b.flush
result = `#{MiniTest::Assertions.diff} #{a.path} #{b.path}`
result.sub!(/^\-\-\- .+/, "--- expected")
result.sub!(/^\+\+\+ .+/, "+++ actual")
if result.empty? then
klass = exp.class
result = [
"No visible difference in the #{klass}#inspect output.\n",
"You should look at the implementation of #== on ",
"#{klass} or its members.\n",
expect,
].join
end
end
end
result
end
##
# This returns a human-readable version of +obj+. By default
# #inspect is called. You can override this to use #pretty_print
# if you want.
def mu_pp obj
s = obj.inspect
s = s.encode Encoding.default_external if defined? Encoding
s
end
##
# This returns a diff-able human-readable version of +obj+. This
# differs from the regular mu_pp because it expands escaped
# newlines and makes hex-values generic (like object_ids). This
# uses mu_pp to do the first pass and then cleans it up.
def mu_pp_for_diff obj
mu_pp(obj).gsub(/\\n/, "\n").gsub(/:0x[a-fA-F0-9]{4,}/m, ':0xXXXXXX')
end
def _assertions= n # :nodoc:
@_assertions = n
end
def _assertions # :nodoc:
@_assertions ||= 0
end
##
# Fails unless +test+ is a true value.
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
##
# Fails unless +obj+ is empty.
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
##
# Fails unless <tt>exp == act</tt> printing the difference between
# the two, if possible.
#
# If there is no visible difference but the assertion fails, you
# should suspect that your #== is buggy, or your inspect output is
# missing crucial details.
#
# For floats use assert_in_delta.
#
# See also: MiniTest::Assertions.diff
def assert_equal exp, act, msg = nil
msg = message(msg, "") { diff exp, act }
assert(exp == act, msg)
end
##
# For comparing Floats. Fails unless +exp+ and +act+ are within +delta+
# of each other.
#
# assert_in_delta Math::PI, (22.0 / 7.0), 0.01
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
##
# For comparing Floats. Fails unless +exp+ and +act+ have a relative
# error less than +epsilon+.
def assert_in_epsilon a, b, epsilon = 0.001, msg = nil
assert_in_delta a, b, [a.abs, b.abs].min * epsilon, msg
end
##
# Fails unless +collection+ includes +obj+.
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
##
# Fails unless +obj+ is an instance of +cls+.
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
##
# Fails unless +obj+ is a kind of +cls+.
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
##
# Fails unless +matcher+ <tt>=~</tt> +obj+.
def assert_match matcher, obj, msg = nil
msg = message(msg) { "Expected #{mu_pp matcher} to match #{mu_pp obj}" }
assert_respond_to matcher, :"=~"
matcher = Regexp.new Regexp.escape matcher if String === matcher
assert matcher =~ obj, msg
end
##
# Fails unless +obj+ is nil
def assert_nil obj, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to be nil" }
assert obj.nil?, msg
end
##
# For testing with binary operators.
#
# assert_operator 5, :<=, 4
def assert_operator o1, op, o2 = UNDEFINED, msg = nil
return assert_predicate o1, op, msg if UNDEFINED == o2
msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op} #{mu_pp(o2)}" }
assert o1.__send__(op, o2), msg
end
##
# Fails if stdout or stderr do not output the expected results.
# Pass in nil if you don't care about that streams output. Pass in
# "" if you require it to be silent. Pass in a regexp if you want
# to pattern match.
#
# NOTE: this uses #capture_io, not #capture_subprocess_io.
#
# See also: #assert_silent
def assert_output stdout = nil, stderr = nil
out, err = capture_io do
yield
end
err_msg = Regexp === stderr ? :assert_match : :assert_equal if stderr
out_msg = Regexp === stdout ? :assert_match : :assert_equal if stdout
y = send err_msg, stderr, err, "In stderr" if err_msg
x = send out_msg, stdout, out, "In stdout" if out_msg
(!stdout || x) && (!stderr || y)
end
##
# For testing with predicates.
#
# assert_predicate str, :empty?
#
# This is really meant for specs and is front-ended by assert_operator:
#
# str.must_be :empty?
def assert_predicate o1, op, msg = nil
msg = message(msg) { "Expected #{mu_pp(o1)} to be #{op}" }
assert o1.__send__(op), msg
end
##
# Fails unless the block raises one of +exp+. Returns the
# exception matched so you can check the message, attributes, etc.
def assert_raises *exp
msg = "#{exp.pop}.\n" if String === exp.last
begin
yield
rescue MiniTest::Skip => e
return e if exp.include? MiniTest::Skip
raise e
rescue Exception => e
expected = exp.any? { |ex|
if ex.instance_of? Module then
e.kind_of? ex
else
e.instance_of? ex
end
}
assert expected, proc {
exception_details(e, "#{msg}#{mu_pp(exp)} exception expected, not")
}
return e
end
exp = exp.first if exp.size == 1
flunk "#{msg}#{mu_pp(exp)} expected but nothing was raised."
end
##
# Fails unless +obj+ responds to +meth+.
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
##
# Fails unless +exp+ and +act+ are #equal?
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
##
# +send_ary+ is a receiver, message and arguments.
#
# Fails unless the call returns a true value
# TODO: I should prolly remove this from specs
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
##
# Fails if the block outputs anything to stderr or stdout.
#
# See also: #assert_output
def assert_silent
assert_output "", "" do
yield
end
end
##
# Fails unless the block throws +sym+
def assert_throws sym, msg = nil
default = "Expected #{mu_pp(sym)} to have been thrown"
caught = true
catch(sym) do
begin
yield
rescue ThreadError => e # wtf?!? 1.8 + threads == suck
default += ", not \:#{e.message[/uncaught throw \`(\w+?)\'/, 1]}"
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
##
# Captures $stdout and $stderr into strings:
#
# out, err = capture_io do
# puts "Some info"
# warn "You did a bad thing"
# end
#
# assert_match %r%info%, out
# assert_match %r%bad%, err
#
# NOTE: For efficiency, this method uses StringIO and does not
# capture IO for subprocesses. Use #capture_subprocess_io for
# that.
def capture_io
require 'stringio'
captured_stdout, captured_stderr = StringIO.new, StringIO.new
synchronize do
orig_stdout, orig_stderr = $stdout, $stderr
$stdout, $stderr = captured_stdout, captured_stderr
begin
yield
ensure
$stdout = orig_stdout
$stderr = orig_stderr
end
end
return captured_stdout.string, captured_stderr.string
end
##
# Captures $stdout and $stderr into strings, using Tempfile to
# ensure that subprocess IO is captured as well.
#
# out, err = capture_subprocess_io do
# system "echo Some info"
# system "echo You did a bad thing 1>&2"
# end
#
# assert_match %r%info%, out
# assert_match %r%bad%, err
#
# NOTE: This method is approximately 10x slower than #capture_io so
# only use it when you need to test the output of a subprocess.
def capture_subprocess_io
require 'tempfile'
captured_stdout, captured_stderr = Tempfile.new("out"), Tempfile.new("err")
synchronize do
orig_stdout, orig_stderr = $stdout.dup, $stderr.dup
$stdout.reopen captured_stdout
$stderr.reopen captured_stderr
begin
yield
$stdout.rewind
$stderr.rewind
[captured_stdout.read, captured_stderr.read]
ensure
captured_stdout.unlink
captured_stderr.unlink
$stdout.reopen orig_stdout
$stderr.reopen orig_stderr
end
end
end
##
# Returns details for exception +e+
def exception_details e, msg
[
"#{msg}",
"Class: <#{e.class}>",
"Message: <#{e.message.inspect}>",
"---Backtrace---",
"#{MiniTest::filter_backtrace(e.backtrace).join("\n")}",
"---------------",
].join "\n"
end
##
# Fails with +msg+
def flunk msg = nil
msg ||= "Epic Fail!"
assert false, msg
end
##
# Returns a proc that will output +msg+ along with the default message.
def message msg = nil, ending = ".", &default
proc {
msg = msg.call.chomp(".") if Proc === msg
custom_message = "#{msg}.\n" unless msg.nil? or msg.to_s.empty?
"#{custom_message}#{default.call}#{ending}"
}
end
##
# used for counting assertions
def pass msg = nil
assert true
end
##
# Fails if +test+ is a true value
def refute test, msg = nil
msg ||= "Failed refutation, no message given"
not assert(! test, msg)
end
##
# Fails if +obj+ is empty.
def refute_empty obj, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to not be empty" }
assert_respond_to obj, :empty?
refute obj.empty?, msg
end
##
# Fails if <tt>exp == act</tt>.
#
# For floats use refute_in_delta.
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
##
# For comparing Floats. Fails if +exp+ is within +delta+ of +act+.
#
# refute_in_delta Math::PI, (22.0 / 7.0)
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
##
# For comparing Floats. Fails if +exp+ and +act+ have a relative error
# less than +epsilon+.
def refute_in_epsilon a, b, epsilon = 0.001, msg = nil
refute_in_delta a, b, a * epsilon, msg
end
##
# Fails if +collection+ includes +obj+.
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
##
# Fails if +obj+ is an instance of +cls+.
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
##
# Fails if +obj+ is a kind of +cls+.
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
##
# Fails if +matcher+ <tt>=~</tt> +obj+.
def refute_match matcher, obj, msg = nil
msg = message(msg) {"Expected #{mu_pp matcher} to not match #{mu_pp obj}"}
assert_respond_to matcher, :"=~"
matcher = Regexp.new Regexp.escape matcher if String === matcher
refute matcher =~ obj, msg
end
##
# Fails if +obj+ is nil.
def refute_nil obj, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to not be nil" }
refute obj.nil?, msg
end
##
# Fails if +o1+ is not +op+ +o2+. Eg:
#
# refute_operator 1, :>, 2 #=> pass
# refute_operator 1, :<, 2 #=> fail
def refute_operator o1, op, o2 = UNDEFINED, msg = nil
return refute_predicate o1, op, msg if UNDEFINED == o2
msg = message(msg) { "Expected #{mu_pp(o1)} to not be #{op} #{mu_pp(o2)}"}
refute o1.__send__(op, o2), msg
end
##
# For testing with predicates.
#
# refute_predicate str, :empty?
#
# This is really meant for specs and is front-ended by refute_operator:
#
# str.wont_be :empty?
def refute_predicate o1, op, msg = nil
msg = message(msg) { "Expected #{mu_pp(o1)} to not be #{op}" }
refute o1.__send__(op), msg
end
##
# Fails if +obj+ responds to the message +meth+.
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
##
# Fails if +exp+ is the same (by object identity) as +act+.
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
##
# Skips the current test. Gets listed at the end of the run but
# doesn't cause a failure exit code.
def skip msg = nil, bt = caller
msg ||= "Skipped, no message given"
@skip = true
raise MiniTest::Skip, msg, bt
end
def skipped?
defined?(@skip) and @skip
end
##
# Takes a block and wraps it with the runner's shared mutex.
def synchronize
Minitest::Unit.runner.synchronize do
yield
end
end
end
class Unit # :nodoc:
VERSION = "4.6.0" # :nodoc:
attr_accessor :report, :failures, :errors, :skips # :nodoc:
attr_accessor :test_count, :assertion_count # :nodoc:
attr_accessor :start_time # :nodoc:
attr_accessor :help # :nodoc:
attr_accessor :verbose # :nodoc:
attr_writer :options # :nodoc:
##
# Lazy accessor for options.
def options
@options ||= {}
end
@@installed_at_exit ||= false
@@out = $stdout
@@after_tests = []
##
# A simple hook allowing you to run a block of code after _all_ of
# the tests are done. Eg:
#
# MiniTest::Unit.after_tests { p $debugging_info }
def self.after_tests &block
@@after_tests << block
end
##
# Registers MiniTest::Unit to run tests at process exit
def self.autorun
at_exit {
# don't run if there was a non-exit exception
next if $! and not $!.kind_of? SystemExit
# the order here is important. The at_exit handler must be
# installed before anyone else gets a chance to install their
# own, that way we can be assured that our exit will be last
# to run (at_exit stacks).
exit_code = nil
at_exit {
@@after_tests.reverse_each(&:call)
exit false if exit_code && exit_code != 0
}
exit_code = MiniTest::Unit.new.run ARGV
} unless @@installed_at_exit
@@installed_at_exit = true
end
##
# Returns the stream to use for output.
def self.output
@@out
end
##
# Sets MiniTest::Unit to write output to +stream+. $stdout is the default
# output
def self.output= stream
@@out = stream
end
##
# Tells MiniTest::Unit to delegate to +runner+, an instance of a
# MiniTest::Unit subclass, when MiniTest::Unit#run is called.
def self.runner= runner
@@runner = runner
end
##
# Returns the MiniTest::Unit subclass instance that will be used
# to run the tests. A MiniTest::Unit instance is the default
# runner.
def self.runner
@@runner ||= self.new
end
##
# Return all plugins' run methods (methods that start with "run_").
def self.plugins
@@plugins ||= (["run_tests"] +
public_instance_methods(false).
grep(/^run_/).map { |s| s.to_s }).uniq
end
##
# Return the IO for output.
def output
self.class.output
end
def puts *a # :nodoc:
output.puts(*a)
end
def print *a # :nodoc:
output.print(*a)
end
##
# Runner for a given +type+ (eg, test vs bench).
def _run_anything type
suites = TestCase.send "#{type}_suites"
return if suites.empty?
start = Time.now
puts
puts "# Running #{type}s:"
puts
@test_count, @assertion_count = 0, 0
sync = output.respond_to? :"sync=" # stupid emacs
old_sync, output.sync = output.sync, true if sync
results = _run_suites suites, type
@test_count = results.inject(0) { |sum, (tc, _)| sum + tc }
@assertion_count = results.inject(0) { |sum, (_, ac)| sum + ac }
output.sync = old_sync if sync
t = Time.now - start
puts
puts
puts "Finished #{type}s in %.6fs, %.4f tests/s, %.4f assertions/s." %
[t, test_count / t, assertion_count / t]
report.each_with_index do |msg, i|
puts "\n%3d) %s" % [i + 1, msg]
end
puts
status
end
##
# Runs all the +suites+ for a given +type+.
#
# NOTE: this method is redefined in parallel_each.rb, which is
# loaded if a test-suite calls parallelize_me!.
def _run_suites suites, type
suites.map { |suite| _run_suite suite, type }
end
##
# Run a single +suite+ for a given +type+.
def _run_suite suite, type
header = "#{type}_suite_header"
puts send(header, suite) if respond_to? header
filter = options[:filter] || '/./'
filter = Regexp.new $1 if filter =~ /\/(.*)\//
all_test_methods = suite.send "#{type}_methods"
filtered_test_methods = all_test_methods.find_all { |m|
filter === m || filter === "#{suite}##{m}"
}
assertions = filtered_test_methods.map { |method|
inst = suite.new method
inst._assertions = 0
print "#{suite}##{method} = " if @verbose
start_time = Time.now if @verbose
result = inst.run self
print "%.2f s = " % (Time.now - start_time) if @verbose
print result
puts if @verbose
inst._assertions
}
return assertions.size, assertions.inject(0) { |sum, n| sum + n }
end
##
# Record the result of a single test. Makes it very easy to gather
# information. Eg:
#
# class StatisticsRecorder < MiniTest::Unit
# def record suite, method, assertions, time, error
# # ... record the results somewhere ...
# end
# end
#
# MiniTest::Unit.runner = StatisticsRecorder.new
#
# NOTE: record might be sent more than once per test. It will be
# sent once with the results from the test itself. If there is a
# failure or error in teardown, it will be sent again with the
# error or failure.
def record suite, method, assertions, time, error
end
def location e # :nodoc:
last_before_assertion = ""
e.backtrace.reverse_each do |s|
break if s =~ /in .(assert|refute|flunk|pass|fail|raise|must|wont)/
last_before_assertion = s
end
last_before_assertion.sub(/:in .*$/, '')
end
##
# Writes status for failed test +meth+ in +klass+ which finished with
# exception +e+
def puke klass, meth, e
e = case e
when MiniTest::Skip then
@skips += 1
return "S" unless @verbose
"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 # :nodoc:
@report = []
@errors = @failures = @skips = 0
@verbose = false
@mutex = defined?(Mutex) ? Mutex.new : nil
end
def synchronize # :nodoc:
if @mutex then
@mutex.synchronize { yield }
else
yield
end
end
def process_args args = [] # :nodoc:
options = {}
orig_args = args.dup
OptionParser.new do |opts|
opts.banner = 'minitest options:'
opts.version = MiniTest::Unit::VERSION
opts.on '-h', '--help', 'Display this help.' do
puts opts
exit
end
opts.on '-s', '--seed SEED', Integer, "Sets random seed" do |m|
options[:seed] = m.to_i
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 (e.g. /foo/)" do |a|
options[:filter] = a
end
opts.parse! args
orig_args -= args
end
unless options[:seed] then
srand
options[:seed] = srand % 0xFFFF
orig_args << "--seed" << options[:seed].to_s
end
srand options[:seed]
self.verbose = options[:verbose]
@help = orig_args.map { |s| s =~ /[\s|&<>$()]/ ? s.inspect : s }.join " "
options
end
##
# Begins the full test run. Delegates to +runner+'s #_run method.
def run args = []
self.class.runner._run(args)
end
##
# Top level driver, controls all output and filtering.
def _run args = []
self.options.merge! process_args args
puts "Run options: #{help}"
self.class.plugins.each do |plugin|
send plugin
break unless report.empty?
end
return failures + errors if @test_count > 0 # or return nil...
rescue Interrupt
abort 'Interrupted'
end
##
# Runs test suites matching +filter+.
def run_tests
_run_anything :test
end
##
# Writes status to +io+
def status io = self.output
format = "%d tests, %d assertions, %d failures, %d errors, %d skips"
io.puts format % [test_count, assertion_count, failures, errors, skips]
end
##
# Provides a simple set of guards that you can use in your tests
# to skip execution if it is not applicable. These methods are
# mixed into TestCase as both instance and class methods so you
# can use them inside or outside of the test methods.
#
# def test_something_for_mri
# skip "bug 1234" if jruby?
# # ...
# end
#
# if windows? then
# # ... lots of test methods ...
# end
module Guard
##
# Is this running on jruby?
def jruby? platform = RUBY_PLATFORM
"java" == platform
end
##
# Is this running on mri?
def maglev? platform = defined?(RUBY_ENGINE) && RUBY_ENGINE
"maglev" == platform
end
module_function :maglev?
##
# Is this running on mri?
def mri? platform = RUBY_DESCRIPTION
/^ruby/ =~ platform
end
##
# Is this running on rubinius?
def rubinius? platform = defined?(RUBY_ENGINE) && RUBY_ENGINE
"rbx" == platform
end
##
# Is this running on windows?
def windows? platform = RUBY_PLATFORM
/mswin|mingw/ =~ platform
end
end
##
# Provides before/after hooks for setup and teardown. These are
# meant for library writers, NOT for regular test authors. See
# #before_setup for an example.
module LifecycleHooks
##
# Runs before every test, after setup. This hook is meant for
# libraries to extend minitest. It is not meant to be used by
# test developers.
#
# See #before_setup for an example.
def after_setup; end
##
# Runs before every test, before setup. This hook is meant for
# libraries to extend minitest. It is not meant to be used by
# test developers.
#
# As a simplistic example:
#
# module MyMinitestPlugin
# def before_setup
# super
# # ... stuff to do before setup is run
# end
#
# def after_setup
# # ... stuff to do after setup is run
# super
# end
#
# def before_teardown
# super
# # ... stuff to do before teardown is run
# end
#
# def after_teardown
# # ... stuff to do after teardown is run
# super
# end
# end
#
# class MiniTest::Unit::TestCase
# include MyMinitestPlugin
# end
def before_setup; end
##
# Runs after every test, before teardown. This hook is meant for
# libraries to extend minitest. It is not meant to be used by
# test developers.
#
# See #before_setup for an example.
def before_teardown; end
##
# Runs after every test, after teardown. This hook is meant for
# libraries to extend minitest. It is not meant to be used by
# test developers.
#
# See #before_setup for an example.
def after_teardown; end
end
##
# Subclass TestCase to create your own tests. Typically you'll want a
# TestCase subclass per implementation class.
#
# See MiniTest::Assertions
class TestCase
include LifecycleHooks
include Guard
extend Guard
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
runner.report.each_with_index do |msg, i|
warn "\n%3d) %s" % [i + 1, msg]
end
warn ''
time = runner.start_time ? Time.now - runner.start_time : 0
warn "Current Test: %s#%s %.2fs" % [self.class, self.__name__, time]
runner.status $stderr
end if SUPPORTS_INFO_SIGNAL
start_time = Time.now
result = ""
begin
@passed = nil
self.before_setup
self.setup
self.after_setup
self.run_test self.__name__
result = "." unless io?
time = Time.now - start_time
runner.record self.class, self.__name__, self._assertions, time, nil
@passed = true
rescue *PASSTHROUGH_EXCEPTIONS
raise
rescue Exception => e
@passed = Skip === e
time = Time.now - start_time
runner.record self.class, self.__name__, self._assertions, time, e
result = runner.puke self.class, self.__name__, e
ensure
%w{ before_teardown teardown after_teardown }.each do |hook|
begin
self.send hook
rescue *PASSTHROUGH_EXCEPTIONS
raise
rescue Exception => e
@passed = false
runner.record self.class, self.__name__, self._assertions, time, e
result = runner.puke self.class, self.__name__, e
end
end
trap 'INFO', 'DEFAULT' if SUPPORTS_INFO_SIGNAL
end
result
end
alias :run_test :__send__
def initialize name # :nodoc:
@__name__ = name
@__io__ = nil
@passed = nil
@@current = self # FIX: make thread local
end
def self.current # :nodoc:
@@current # FIX: make thread local
end
##
# Return the output IO object
def io
@__io__ = true
MiniTest::Unit.output
end
##
# Have we hooked up the IO yet?
def io?
@__io__
end
def self.reset # :nodoc:
@@test_suites = {}
end
reset
##
# Call this at the top of your tests when you absolutely
# positively need to have ordered tests. In doing so, you're
# admitting that you suck and your tests are weak.
def self.i_suck_and_my_tests_are_order_dependent!
class << self
undef_method :test_order if method_defined? :test_order
define_method :test_order do :alpha end
end
end
##
# Make diffs for this TestCase use #pretty_inspect so that diff
# in assert_equal can be more details. NOTE: this is much slower
# than the regular inspect but much more usable for complex
# objects.
def self.make_my_diffs_pretty!
require 'pp'
define_method :mu_pp do |o|
o.pretty_inspect
end
end
##
# Call this at the top of your tests when you want to run your
# tests in parallel. In doing so, you're admitting that you rule
# and your tests are awesome.
def self.parallelize_me!
require "minitest/parallel_each"
class << self
undef_method :test_order if method_defined? :test_order
define_method :test_order do :parallel end
end
end
def self.inherited klass # :nodoc:
@@test_suites[klass] = true
super
end
def self.test_order # :nodoc:
:random
end
def self.test_suites # :nodoc:
@@test_suites.keys.sort_by { |ts| ts.name.to_s }
end
def self.test_methods # :nodoc:
methods = public_instance_methods(true).grep(/^test/).map { |m| m.to_s }
case self.test_order
when :parallel
max = methods.size
ParallelEach.new methods.sort.sort_by { rand max }
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 set up before each test
# run.
def setup; end
##
# Runs after every test. Use this to clean up after each test
# run.
def teardown; end
include MiniTest::Assertions
end # class TestCase
end # class Unit
end # module MiniTest
Minitest = MiniTest # :nodoc: because ugh... I typo this all the time
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
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